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(index/qs) GRPC API for better query peformance

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This commit is contained in:
Viktor Lofgren 2023-10-24 11:09:12 +02:00
parent 487c016a32
commit a860f8f1a8
18 changed files with 822 additions and 21 deletions
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34
code/api/index-api/build.gradle
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@ -1,7 +1,7 @@
plugins {
id 'java'
id "com.google.protobuf" version "0.9.4"
id 'jvm-test-suite'
}
@ -10,7 +10,13 @@ java {
languageVersion.set(JavaLanguageVersion.of(21))
}
}
sourceSets {
main {
proto {
srcDir 'src/main/protobuf'
}
}
}
dependencies {
implementation project(':code:common:model')
implementation project(':code:common:config')
@ -26,10 +32,32 @@ dependencies {
implementation libs.guice
implementation libs.rxjava
implementation libs.protobuf
implementation libs.bundles.gson
implementation libs.fastutil
implementation libs.javax.annotation
implementation libs.bundles.gson
implementation libs.bundles.grpc
testImplementation libs.bundles.slf4j.test
testImplementation libs.bundles.junit
testImplementation libs.mockito
}
protobuf {
protoc {
artifact = "com.google.protobuf:protoc:3.0.2"
}
plugins {
grpc {
artifact = 'io.grpc:protoc-gen-grpc-java:1.1.2'
}
}
generateProtoTasks {
all().each { task ->
task.plugins {
grpc {}
}
}
}
}

117
code/api/index-api/src/main/java/nu/marginalia/index/client/IndexProtobufCodec.java Normal file
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@ -0,0 +1,117 @@
package nu.marginalia.index.client;
import nu.marginalia.index.api.*;
import nu.marginalia.index.client.model.query.SearchSubquery;
import nu.marginalia.index.client.model.results.Bm25Parameters;
import nu.marginalia.index.client.model.results.ResultRankingParameters;
import nu.marginalia.index.query.limit.QueryLimits;
import nu.marginalia.index.query.limit.SpecificationLimit;
import nu.marginalia.index.query.limit.SpecificationLimitType;
import java.util.ArrayList;
import java.util.List;
public class IndexProtobufCodec {
public static SpecificationLimit convertSpecLimit(RpcSpecLimit limit) {
return new SpecificationLimit(
SpecificationLimitType.valueOf(limit.getType().name()),
limit.getValue()
);
}
public static RpcSpecLimit convertSpecLimit(SpecificationLimit limit) {
return RpcSpecLimit.newBuilder()
.setType(RpcSpecLimit.TYPE.valueOf(limit.type().name()))
.setValue(limit.value())
.build();
}
public static QueryLimits convertQueryLimits(RpcQueryLimits queryLimits) {
return new QueryLimits(
queryLimits.getResultsByDomain(),
queryLimits.getResultsTotal(),
queryLimits.getTimeoutMs(),
queryLimits.getFetchSize()
);
}
public static RpcQueryLimits convertQueryLimits(QueryLimits queryLimits) {
return RpcQueryLimits.newBuilder()
.setResultsByDomain(queryLimits.resultsByDomain())
.setResultsTotal(queryLimits.resultsTotal())
.setTimeoutMs(queryLimits.timeoutMs())
.setFetchSize(queryLimits.fetchSize())
.build();
}
public static SearchSubquery convertSearchSubquery(RpcSubquery subquery) {
List<List<String>> coherences = new ArrayList<>();
for (int j = 0; j < subquery.getCoherencesCount(); j++) {
var coh = subquery.getCoherences(j);
coherences.add(new ArrayList<>(coh.getCoherencesList()));
}
return new SearchSubquery(
subquery.getIncludeList(),
subquery.getExcludeList(),
subquery.getAdviceList(),
subquery.getPriorityList(),
coherences
);
}
public static RpcSubquery convertSearchSubquery(SearchSubquery searchSubquery) {
var subqueryBuilder =
RpcSubquery.newBuilder()
.addAllAdvice(searchSubquery.getSearchTermsAdvice())
.addAllExclude(searchSubquery.getSearchTermsExclude())
.addAllInclude(searchSubquery.getSearchTermsInclude())
.addAllPriority(searchSubquery.getSearchTermsPriority());
for (var coherences : searchSubquery.searchTermCoherences) {
subqueryBuilder.addCoherencesBuilder().addAllCoherences(coherences);
}
return subqueryBuilder.build();
}
public static ResultRankingParameters convertRankingParameterss(RpcResultRankingParameters params) {
return new ResultRankingParameters(
new Bm25Parameters(params.getFullK(), params.getFullB()),
new Bm25Parameters(params.getPrioK(), params.getPrioB()),
params.getShortDocumentThreshold(),
params.getShortDocumentPenalty(),
params.getDomainRankBonus(),
params.getQualityPenalty(),
params.getShortSentenceThreshold(),
params.getShortSentencePenalty(),
params.getBm25FullWeight(),
params.getBm25PrioWeight(),
params.getTcfWeight(),
ResultRankingParameters.TemporalBias.valueOf(params.getTemporalBias().name()),
params.getTemporalBiasWeight()
);
};
public static RpcResultRankingParameters convertRankingParameterss(ResultRankingParameters rankingParams) {
return
RpcResultRankingParameters.newBuilder()
.setFullB(rankingParams.fullParams.b())
.setFullK(rankingParams.fullParams.k())
.setPrioB(rankingParams.prioParams.b())
.setPrioK(rankingParams.prioParams.k())
.setShortDocumentThreshold(rankingParams.shortDocumentThreshold)
.setShortDocumentPenalty(rankingParams.shortDocumentPenalty)
.setDomainRankBonus(rankingParams.domainRankBonus)
.setQualityPenalty(rankingParams.qualityPenalty)
.setShortSentenceThreshold(rankingParams.shortSentenceThreshold)
.setShortSentencePenalty(rankingParams.shortSentencePenalty)
.setBm25FullWeight(rankingParams.bm25FullWeight)
.setBm25PrioWeight(rankingParams.bm25PrioWeight)
.setTcfWeight(rankingParams.tcfWeight)
.setTemporalBias(RpcResultRankingParameters.TEMPORAL_BIAS.valueOf(rankingParams.temporalBias.name()))
.setTemporalBiasWeight(rankingParams.temporalBiasWeight)
.build();
}
}

4
code/api/index-api/src/main/java/nu/marginalia/index/client/model/query/SearchSubquery.java
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@ -1,6 +1,7 @@
package nu.marginalia.index.client.model.query;
import lombok.AllArgsConstructor;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.With;
@ -10,6 +11,7 @@ import java.util.stream.Collectors;
@Getter
@AllArgsConstructor
@With
@EqualsAndHashCode
public class SearchSubquery {
/** These terms must be present in the document and are used in ranking*/
@ -27,6 +29,7 @@ public class SearchSubquery {
/** Terms that we require to be in the same sentence */
public final List<List<String>> searchTermCoherences;
@Deprecated // why does this exist?
private double value = 0;
public SearchSubquery() {
@ -49,6 +52,7 @@ public class SearchSubquery {
this.searchTermCoherences = searchTermCoherences;
}
@Deprecated // why does this exist?
public SearchSubquery setValue(double value) {
if (Double.isInfinite(value) || Double.isNaN(value)) {
this.value = Double.MAX_VALUE;

4
code/api/index-api/src/main/java/nu/marginalia/index/client/model/results/ResultRankingParameters.java
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@ -2,8 +2,10 @@ package nu.marginalia.index.client.model.results;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.EqualsAndHashCode;
import lombok.ToString;
@Builder @AllArgsConstructor
@Builder @AllArgsConstructor @ToString @EqualsAndHashCode
public class ResultRankingParameters {
/** Tuning for BM25 when applied to full document matches */

139
code/api/index-api/src/main/protobuf/index-api.proto Normal file
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@ -0,0 +1,139 @@
syntax="proto3";
package actorapi;
option java_package="nu.marginalia.index.api";
option java_multiple_files=true;
service QueryApi {
rpc query(RpcQsQuery) returns (RpcQsResponse) {}
}
service IndexApi {
rpc query(RpcIndexQuery) returns (RpcSearchResultSet) {}
}
message Empty {}
message RpcQsQuery {
string humanQuery = 1;
string nearDomain = 2;
repeated string tacitIncludes = 3;
repeated string tacitExcludes = 4;
repeated string tacitPriority = 5;
repeated string tacitAdvice = 6;
RpcSpecLimit quality = 7;
RpcSpecLimit year = 8;
RpcSpecLimit size = 9;
RpcSpecLimit rank = 10;
repeated int32 domainIds = 11;
RpcQueryLimits queryLimits = 12;
string searchSetIdentifier = 13;
}
message RpcQsResponse {
RpcIndexQuery specs = 1;
repeated RpcDecoratedResultItem results = 2;
repeated string searchTermsHuman = 3;
repeated string problems = 4;
string domain = 5;
}
message RpcIndexQuery {
repeated RpcSubquery subqueries = 1;
repeated int32 domains = 2;
string searchSetIdentifier = 3;
string humanQuery = 4;
RpcSpecLimit quality = 5;
RpcSpecLimit year = 6;
RpcSpecLimit size = 7;
RpcSpecLimit rank = 8;
RpcQueryLimits queryLimits = 9;
string queryStrategy = 10;
RpcResultRankingParameters parameters = 11;
}
message RpcSpecLimit {
int32 value = 1;
TYPE type = 2;
enum TYPE {
NONE = 0;
EQUALS = 1;
LESS_THAN = 2;
GREATER_THAN = 3;
};
}
message RpcSearchResultSet {
repeated RpcDecoratedResultItem items = 1;
}
message RpcDecoratedResultItem {
RpcRawResultItem rawItem = 1;
string url = 2;
string title = 3;
string description = 4;
double urlQuality = 5;
string format = 6;
int32 features = 7;
int32 pubYear = 8;
int64 dataHash = 9;
int32 wordsTotal = 10;
double rankingScore = 11;
}
message RpcRawResultItem {
int64 combinedId = 1;
int32 resultsFromDomain = 2;
repeated RpcResultKeywordScore keywordScores = 3;
}
message RpcResultKeywordScore {
int32 subquery = 1;
string keyword = 2;
int64 encodedWordMetadata = 3;
int64 encodedDocMetadata = 4;
bool hasPriorityTerms = 5;
int32 htmlFeatures = 6;
}
message RpcQueryLimits {
int32 resultsByDomain = 1;
int32 resultsTotal = 2;
int32 timeoutMs = 3;
int32 fetchSize = 4;
}
message RpcResultRankingParameters {
double fullK = 1;
double fullB = 2;
double prioK = 3;
double prioB = 4;
int32 shortDocumentThreshold = 5;
double shortDocumentPenalty = 6;
double domainRankBonus = 7;
double qualityPenalty = 8;
int32 shortSentenceThreshold = 9;
double shortSentencePenalty = 10;
double bm25FullWeight = 11;
double bm25PrioWeight = 12;
double tcfWeight = 13;
TEMPORAL_BIAS temporalBias = 14;
double temporalBiasWeight = 15;
enum TEMPORAL_BIAS {
NONE = 0;
RECENT = 1;
OLD = 2;
}
}
message RpcSubquery {
repeated string include = 1;
repeated string exclude = 2;
repeated string advice = 3;
repeated string priority = 4;
repeated RpcCoherences coherences = 5;
}
message RpcCoherences {
repeated string coherences = 1;
}

50
code/api/index-api/src/test/java/nu/marginalia/index/client/IndexProtobufCodecTest.java Normal file
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@ -0,0 +1,50 @@
package nu.marginalia.index.client;
import nu.marginalia.index.client.model.query.SearchSubquery;
import nu.marginalia.index.client.model.results.ResultRankingParameters;
import nu.marginalia.index.query.limit.QueryLimits;
import nu.marginalia.index.query.limit.SpecificationLimit;
import org.junit.jupiter.api.Test;
import java.util.List;
import java.util.function.Function;
import static org.junit.jupiter.api.Assertions.*;
class IndexProtobufCodecTest {
@Test
public void testSpecLimit() {
verifyIsIdentityTransformation(SpecificationLimit.none(), l -> IndexProtobufCodec.convertSpecLimit(IndexProtobufCodec.convertSpecLimit(l)));
verifyIsIdentityTransformation(SpecificationLimit.equals(1), l -> IndexProtobufCodec.convertSpecLimit(IndexProtobufCodec.convertSpecLimit(l)));
verifyIsIdentityTransformation(SpecificationLimit.greaterThan(1), l -> IndexProtobufCodec.convertSpecLimit(IndexProtobufCodec.convertSpecLimit(l)));
verifyIsIdentityTransformation(SpecificationLimit.lessThan(1), l -> IndexProtobufCodec.convertSpecLimit(IndexProtobufCodec.convertSpecLimit(l)));
}
@Test
public void testRankingParameters() {
verifyIsIdentityTransformation(ResultRankingParameters.sensibleDefaults(),
p -> IndexProtobufCodec.convertRankingParameterss(IndexProtobufCodec.convertRankingParameterss(p)));
}
@Test
public void testQueryLimits() {
verifyIsIdentityTransformation(new QueryLimits(1,2,3,4),
l -> IndexProtobufCodec.convertQueryLimits(IndexProtobufCodec.convertQueryLimits(l))
);
}
@Test
public void testSubqery() {
verifyIsIdentityTransformation(new SearchSubquery(
List.of("a", "b"),
List.of("c", "d"),
List.of("e", "f"),
List.of("g", "h"),
List.of(List.of("i", "j"), List.of("k"))
),
s -> IndexProtobufCodec.convertSearchSubquery(IndexProtobufCodec.convertSearchSubquery(s))
);
}
private <T> void verifyIsIdentityTransformation(T val, Function<T,T> transformation) {
assertEquals(val, transformation.apply(val), val.toString());
}
}

2
code/api/query-api/build.gradle
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@ -25,6 +25,8 @@ dependencies {
implementation libs.guice
implementation libs.rxjava
implementation libs.gson
implementation libs.bundles.grpc
implementation libs.protobuf
testImplementation libs.bundles.slf4j.test
testImplementation libs.bundles.junit

166
code/api/query-api/src/main/java/nu/marginalia/query/QueryProtobufCodec.java Normal file
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@ -0,0 +1,166 @@
package nu.marginalia.query;
import lombok.SneakyThrows;
import nu.marginalia.index.api.*;
import nu.marginalia.index.client.IndexProtobufCodec;
import nu.marginalia.index.client.model.query.SearchSetIdentifier;
import nu.marginalia.index.client.model.query.SearchSpecification;
import nu.marginalia.index.client.model.query.SearchSubquery;
import nu.marginalia.index.client.model.results.DecoratedSearchResultItem;
import nu.marginalia.index.client.model.results.SearchResultItem;
import nu.marginalia.index.client.model.results.SearchResultKeywordScore;
import nu.marginalia.index.query.limit.QueryStrategy;
import nu.marginalia.model.EdgeUrl;
import nu.marginalia.query.model.ProcessedQuery;
import nu.marginalia.query.model.QueryParams;
import nu.marginalia.query.model.QueryResponse;
import java.util.ArrayList;
import java.util.List;
import static nu.marginalia.index.client.IndexProtobufCodec.*;
public class QueryProtobufCodec {
public static RpcIndexQuery convertQuery(RpcQsQuery request, ProcessedQuery query) {
var builder = RpcIndexQuery.newBuilder();
builder.addAllDomains(request.getDomainIdsList());
for (var subquery : query.specs.subqueries) {
builder.addSubqueries(IndexProtobufCodec.convertSearchSubquery(subquery));
}
builder.setSearchSetIdentifier(query.specs.searchSetIdentifier.name());
builder.setHumanQuery(request.getHumanQuery());
builder.setQuality(convertSpecLimit(query.specs.quality));
builder.setYear(convertSpecLimit(query.specs.year));
builder.setSize(convertSpecLimit(query.specs.size));
builder.setRank(convertSpecLimit(query.specs.rank));
builder.setQueryLimits(IndexProtobufCodec.convertQueryLimits(query.specs.queryLimits));
builder.setQueryStrategy(query.specs.queryStrategy.name());
builder.setParameters(IndexProtobufCodec.convertRankingParameterss(query.specs.rankingParams));
return builder.build();
}
public static QueryParams convertRequest(RpcQsQuery request) {
return new QueryParams(
request.getHumanQuery(),
request.getNearDomain(),
request.getTacitIncludesList(),
request.getTacitExcludesList(),
request.getTacitPriorityList(),
request.getTacitAdviceList(),
convertSpecLimit(request.getQuality()),
convertSpecLimit(request.getYear()),
convertSpecLimit(request.getSize()),
convertSpecLimit(request.getRank()),
request.getDomainIdsList(),
IndexProtobufCodec.convertQueryLimits(request.getQueryLimits()),
SearchSetIdentifier.valueOf(request.getSearchSetIdentifier()));
}
public static QueryResponse convertQueryResponse(RpcQsResponse query) {
var results = new ArrayList<DecoratedSearchResultItem>(query.getResultsCount());
for (int i = 0; i < query.getResultsCount(); i++)
results.add(convertDecoratedResult(query.getResults(i)));
return new QueryResponse(
convertSearchSpecification(query.getSpecs()),
results,
query.getSearchTermsHumanList(),
query.getProblemsList(),
query.getDomain()
);
}
@SneakyThrows
private static DecoratedSearchResultItem convertDecoratedResult(RpcDecoratedResultItem results) {
return new DecoratedSearchResultItem(
convertRawResult(results.getRawItem()),
new EdgeUrl(results.getUrl()),
results.getTitle(),
results.getDescription(),
results.getUrlQuality(),
results.getFormat(),
results.getFeatures(),
results.getPubYear(), // ??,
results.getDataHash(),
results.getWordsTotal(),
results.getRankingScore()
);
}
private static SearchResultItem convertRawResult(RpcRawResultItem rawItem) {
var keywordScores = new ArrayList<SearchResultKeywordScore>(rawItem.getKeywordScoresCount());
for (int i = 0; i < rawItem.getKeywordScoresCount(); i++)
keywordScores.add(convertKeywordScore(rawItem.getKeywordScores(i)));
return new SearchResultItem(
rawItem.getCombinedId(),
keywordScores,
rawItem.getResultsFromDomain(),
null
);
}
private static SearchResultKeywordScore convertKeywordScore(RpcResultKeywordScore keywordScores) {
return new SearchResultKeywordScore(
keywordScores.getSubquery(),
keywordScores.getKeyword(),
keywordScores.getEncodedWordMetadata(),
keywordScores.getEncodedDocMetadata(),
keywordScores.getHtmlFeatures(),
keywordScores.getHasPriorityTerms()
);
}
private static SearchSpecification convertSearchSpecification(RpcIndexQuery specs) {
List<SearchSubquery> subqueries = new ArrayList<>(specs.getSubqueriesCount());
for (int i = 0; i < specs.getSubqueriesCount(); i++) {
subqueries.add(convertSearchSubquery(specs.getSubqueries(i)));
}
return new SearchSpecification(
subqueries,
specs.getDomainsList(),
SearchSetIdentifier.valueOf(specs.getSearchSetIdentifier()),
specs.getHumanQuery(),
IndexProtobufCodec.convertSpecLimit(specs.getQuality()),
IndexProtobufCodec.convertSpecLimit(specs.getYear()),
IndexProtobufCodec.convertSpecLimit(specs.getSize()),
IndexProtobufCodec.convertSpecLimit(specs.getRank()),
IndexProtobufCodec.convertQueryLimits(specs.getQueryLimits()),
QueryStrategy.valueOf(specs.getQueryStrategy()),
convertRankingParameterss(specs.getParameters())
);
}
public static RpcQsQuery convertQueryParams(QueryParams params) {
var builder = RpcQsQuery.newBuilder()
.addAllDomainIds(params.domainIds())
.addAllTacitAdvice(params.tacitAdvice())
.addAllTacitExcludes(params.tacitExcludes())
.addAllTacitIncludes(params.tacitIncludes())
.addAllTacitPriority(params.tacitPriority())
.setHumanQuery(params.humanQuery())
.setQueryLimits(convertQueryLimits(params.limits()))
.setQuality(convertSpecLimit(params.quality()))
.setYear(convertSpecLimit(params.year()))
.setSize(convertSpecLimit(params.size()))
.setRank(convertSpecLimit(params.rank()))
.setSearchSetIdentifier(params.identifier().name());
if (params.nearDomain() != null)
builder.setNearDomain(params.nearDomain());
return builder.build();
}
}

39
code/api/query-api/src/main/java/nu/marginalia/query/client/QueryClient.java
View File

@ -2,15 +2,16 @@ package nu.marginalia.query.client;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import io.prometheus.client.Summary;
import nu.marginalia.WmsaHome;
import nu.marginalia.client.AbstractDynamicClient;
import nu.marginalia.client.Context;
import nu.marginalia.index.api.QueryApiGrpc;
import nu.marginalia.index.client.model.query.SearchSpecification;
import nu.marginalia.index.client.model.results.SearchResultSet;
import nu.marginalia.model.gson.GsonFactory;
import nu.marginalia.mq.MessageQueueFactory;
import nu.marginalia.mq.outbox.MqOutbox;
import nu.marginalia.query.QueryProtobufCodec;
import nu.marginalia.query.model.QueryParams;
import nu.marginalia.query.model.QueryResponse;
import nu.marginalia.service.descriptor.ServiceDescriptors;
@ -19,7 +20,8 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.annotation.CheckReturnValue;
import java.util.UUID;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
@Singleton
public class QueryClient extends AbstractDynamicClient {
@ -27,6 +29,30 @@ public class QueryClient extends AbstractDynamicClient {
private static final Summary wmsa_search_index_api_delegate_time = Summary.build().name("wmsa_search_index_api_delegate_time").help("-").register();
private static final Summary wmsa_search_index_api_search_time = Summary.build().name("wmsa_search_index_api_search_time").help("-").register();
private final Map<ServiceAndNode, ManagedChannel> channels = new ConcurrentHashMap<>();
private final Map<ServiceAndNode, QueryApiGrpc.QueryApiBlockingStub > queryApis = new ConcurrentHashMap<>();
record ServiceAndNode(String service, int node) {
public String getHostName() {
return service;
}
}
private ManagedChannel getChannel(ServiceAndNode serviceAndNode) {
return channels.computeIfAbsent(serviceAndNode,
san -> ManagedChannelBuilder
.forAddress(serviceAndNode.getHostName(), 81)
.usePlaintext()
.build());
}
public QueryApiGrpc.QueryApiBlockingStub queryApi(int node) {
return queryApis.computeIfAbsent(new ServiceAndNode("query-service", node), n ->
QueryApiGrpc.newBlockingStub(
getChannel(n)
)
);
}
private final Logger logger = LoggerFactory.getLogger(getClass());
@Inject
@ -42,11 +68,10 @@ public class QueryClient extends AbstractDynamicClient {
() -> this.postGet(ctx, 0, "/delegate/", specs, SearchResultSet.class).blockingFirst()
);
}
@CheckReturnValue
public QueryResponse search(Context ctx, QueryParams params) {
return wmsa_search_index_api_search_time.time(
() -> this.postGet(ctx, 0, "/search/", params, QueryResponse.class).blockingFirst()
);
return QueryProtobufCodec.convertQueryResponse(queryApi(0).query(QueryProtobufCodec.convertQueryParams(params)));
}
}

2
code/api/query-api/src/main/java/nu/marginalia/query/model/QueryParams.java
View File

@ -5,10 +5,12 @@ import nu.marginalia.index.client.model.query.SearchSpecification;
import nu.marginalia.index.query.limit.QueryLimits;
import nu.marginalia.index.query.limit.SpecificationLimit;
import javax.annotation.Nullable;
import java.util.List;
public record QueryParams(
String humanQuery,
@Nullable
String nearDomain,
List<String> tacitIncludes,
List<String> tacitExcludes,

1
code/services-core/index-service/build.gradle
View File

@ -57,6 +57,7 @@ dependencies {
implementation libs.trove
implementation libs.fastutil
implementation libs.bundles.gson
implementation libs.bundles.grpc
implementation libs.bundles.mariadb
testImplementation libs.bundles.slf4j.test

10
code/services-core/index-service/src/main/java/nu/marginalia/index/IndexService.java
View File

@ -2,6 +2,7 @@ package nu.marginalia.index;
import com.google.gson.Gson;
import com.google.inject.Inject;
import io.grpc.ServerBuilder;
import io.reactivex.rxjava3.schedulers.Schedulers;
import lombok.SneakyThrows;
import nu.marginalia.IndexLocations;
@ -23,6 +24,7 @@ import spark.Request;
import spark.Response;
import spark.Spark;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.concurrent.TimeUnit;
@ -49,8 +51,7 @@ public class IndexService extends Service {
SearchIndex searchIndex,
FileStorageService fileStorageService,
LinkdbReader linkdbReader,
ServiceEventLog eventLog)
{
ServiceEventLog eventLog) throws IOException {
super(params);
this.opsService = opsService;
@ -63,6 +64,11 @@ public class IndexService extends Service {
this.init = params.initialization;
var grpcServer = ServerBuilder.forPort(params.configuration.port() + 1)
.addService(indexQueryService)
.build();
grpcServer.start();
Spark.post("/search/", indexQueryService::search, gson::toJson);
Spark.get("/public/debug/docmeta", indexQueryService::debugEndpointDocMetadata, gson::toJson);

71
code/services-core/index-service/src/main/java/nu/marginalia/index/svc/IndexQueryService.java
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@ -9,6 +9,9 @@ import io.prometheus.client.Counter;
import io.prometheus.client.Gauge;
import io.prometheus.client.Histogram;
import lombok.SneakyThrows;
import nu.marginalia.index.api.*;
import nu.marginalia.index.api.IndexApiGrpc.IndexApiImplBase;
import nu.marginalia.index.client.model.query.SearchSetIdentifier;
import nu.marginalia.index.client.model.query.SearchSubquery;
import nu.marginalia.index.client.model.results.ResultRankingParameters;
import nu.marginalia.index.client.model.results.SearchResultItem;
@ -41,8 +44,10 @@ import java.sql.SQLException;
import java.util.*;
import java.util.stream.Collectors;
import static io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall;
@Singleton
public class IndexQueryService {
public class IndexQueryService extends IndexApiImplBase {
private final Logger logger = LoggerFactory.getLogger(getClass());
@ -142,6 +147,61 @@ public class IndexQueryService {
}
}
// GRPC endpoint
@SneakyThrows
public void query(nu.marginalia.index.api.RpcIndexQuery request,
io.grpc.stub.StreamObserver<nu.marginalia.index.api.RpcSearchResultSet> responseObserver) {
try {
var params = new SearchParameters(request, getSearchSet(request));
SearchResultSet results = executeSearch(params);
RpcSearchResultSet.Builder retBuilder = RpcSearchResultSet.newBuilder();
for (var result : results.results) {
var rawResult = result.rawIndexResult;
var rawItem = RpcRawResultItem.newBuilder();
rawItem.setCombinedId(rawResult.combinedId);
rawItem.setResultsFromDomain(rawResult.resultsFromDomain);
for (var score : rawResult.keywordScores) {
rawItem.addKeywordScores(
RpcResultKeywordScore.newBuilder()
.setEncodedDocMetadata(score.encodedDocMetadata())
.setEncodedWordMetadata(score.encodedWordMetadata())
.setKeyword(score.keyword)
.setHtmlFeatures(score.htmlFeatures())
.setHasPriorityTerms(score.hasPriorityTerms())
.setSubquery(score.subquery)
);
}
var decoratedBuilder = RpcDecoratedResultItem.newBuilder()
.setDataHash(result.dataHash)
.setDescription(result.description)
.setFeatures(result.features)
.setFormat(result.format)
.setRankingScore(result.rankingScore)
.setTitle(result.title)
.setUrl(result.url.toString())
.setWordsTotal(result.wordsTotal)
.setRawItem(rawItem);
if (result.pubYear != null) {
decoratedBuilder.setPubYear(result.pubYear);
}
retBuilder.addItems(decoratedBuilder.build());
}
responseObserver.onNext(retBuilder.build());
responseObserver.onCompleted();
}
catch (Exception ex) {
logger.error("Error in handling request", ex);
responseObserver.onError(ex);
}
}
// exists for test access
@SneakyThrows
SearchResultSet justQuery(SearchSpecification specsSet) {
@ -156,7 +216,16 @@ public class IndexQueryService {
return searchSetsService.getSearchSetByName(specsSet.searchSetIdentifier);
}
private SearchSet getSearchSet(RpcIndexQuery request) {
if (request.getDomainsCount() > 0) {
return new SmallSearchSet(request.getDomainsList());
}
return searchSetsService.getSearchSetByName(
SearchSetIdentifier.valueOf(request.getSearchSetIdentifier())
);
}
private SearchResultSet executeSearch(SearchParameters params) throws SQLException {
var rankingContext = createRankingContext(params.rankingParams, params.subqueries);

33
code/services-core/index-service/src/main/java/nu/marginalia/index/svc/SearchParameters.java
View File

@ -1,16 +1,25 @@
package nu.marginalia.index.svc;
import gnu.trove.set.hash.TLongHashSet;
import nu.marginalia.index.api.RpcIndexQuery;
import nu.marginalia.index.api.RpcSpecLimit;
import nu.marginalia.index.client.IndexProtobufCodec;
import nu.marginalia.index.client.model.query.SearchSpecification;
import nu.marginalia.index.client.model.query.SearchSubquery;
import nu.marginalia.index.client.model.results.Bm25Parameters;
import nu.marginalia.index.client.model.results.ResultRankingParameters;
import nu.marginalia.index.index.SearchIndex;
import nu.marginalia.index.index.SearchIndexSearchTerms;
import nu.marginalia.index.query.IndexQuery;
import nu.marginalia.index.query.IndexQueryParams;
import nu.marginalia.index.query.IndexSearchBudget;
import nu.marginalia.index.query.limit.QueryLimits;
import nu.marginalia.index.query.limit.QueryStrategy;
import nu.marginalia.index.query.limit.SpecificationLimit;
import nu.marginalia.index.query.limit.SpecificationLimitType;
import nu.marginalia.index.searchset.SearchSet;
import java.util.ArrayList;
import java.util.List;
public class SearchParameters {
@ -62,6 +71,30 @@ public class SearchParameters {
rankingParams = specsSet.rankingParams;
}
public SearchParameters(RpcIndexQuery request, SearchSet searchSet) {
var limits = IndexProtobufCodec.convertQueryLimits(request.getQueryLimits());
this.fetchSize = limits.fetchSize();
this.budget = new IndexSearchBudget(limits.timeoutMs());
this.subqueries = new ArrayList<>(request.getSubqueriesCount());
for (int i = 0; i < request.getSubqueriesCount(); i++) {
this.subqueries.add(IndexProtobufCodec.convertSearchSubquery(request.getSubqueries(i)));
}
this.limitByDomain = limits.resultsByDomain();
this.limitTotal = limits.resultsTotal();
this.consideredUrlIds = CachedObjects.getConsideredUrlsMap();
queryParams = new IndexQueryParams(
IndexProtobufCodec.convertSpecLimit(request.getQuality()),
IndexProtobufCodec.convertSpecLimit(request.getYear()),
IndexProtobufCodec.convertSpecLimit(request.getSize()),
IndexProtobufCodec.convertSpecLimit(request.getRank()),
searchSet,
QueryStrategy.valueOf(request.getQueryStrategy()));
rankingParams = IndexProtobufCodec.convertRankingParameterss(request.getParameters());
}
List<IndexQuery> createIndexQueries(SearchIndex index, SearchIndexSearchTerms terms) {
return index.createQueries(terms, queryParams, consideredUrlIds::add);

1
code/services-core/query-service/build.gradle
View File

@ -45,6 +45,7 @@ dependencies {
implementation libs.protobuf
implementation libs.rxjava
implementation libs.bundles.mariadb
implementation libs.bundles.grpc
testImplementation libs.bundles.slf4j.test
testImplementation libs.bundles.junit

148
code/services-core/query-service/src/main/java/nu/marginalia/query/QueryGRPCService.java Normal file
View File

@ -0,0 +1,148 @@
package nu.marginalia.query;
import com.google.inject.Inject;
import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import nu.marginalia.db.DomainBlacklist;
import nu.marginalia.index.api.*;
import nu.marginalia.model.id.UrlIdCodec;
import nu.marginalia.query.svc.NodeConfigurationWatcher;
import nu.marginalia.query.svc.QueryFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
public class QueryGRPCService extends QueryApiGrpc.QueryApiImplBase {
private final Logger logger = LoggerFactory.getLogger(QueryGRPCService.class);
private final Map<ServiceAndNode, ManagedChannel> channels
= new ConcurrentHashMap<>();
private final Map<ServiceAndNode, IndexApiGrpc.IndexApiFutureStub> actorRpcApis
= new ConcurrentHashMap<>();
private ManagedChannel getChannel(ServiceAndNode serviceAndNode) {
return channels.computeIfAbsent(serviceAndNode,
san -> ManagedChannelBuilder
.forAddress(serviceAndNode.getHostName(), 81)
.usePlaintext()
.build());
}
public IndexApiGrpc.IndexApiFutureStub indexApi(int node) {
return actorRpcApis.computeIfAbsent(new ServiceAndNode("index-service", node), n ->
IndexApiGrpc.newFutureStub(
getChannel(n)
)
);
}
record ServiceAndNode(String service, int node) {
public String getHostName() {
return service+"-"+node;
}
}
private final QueryFactory queryFactory;
private final DomainBlacklist blacklist;
private final NodeConfigurationWatcher nodeConfigurationWatcher;
@Inject
public QueryGRPCService(QueryFactory queryFactory, DomainBlacklist blacklist, NodeConfigurationWatcher nodeConfigurationWatcher) {
this.queryFactory = queryFactory;
this.blacklist = blacklist;
this.nodeConfigurationWatcher = nodeConfigurationWatcher;
}
public void query(nu.marginalia.index.api.RpcQsQuery request,
io.grpc.stub.StreamObserver<nu.marginalia.index.api.RpcQsResponse> responseObserver)
{
try {
var params = QueryProtobufCodec.convertRequest(request);
var query = queryFactory.createQuery(params);
RpcIndexQuery indexRequest = QueryProtobufCodec.convertQuery(request, query);
List<RpcDecoratedResultItem> bestItems = executeQueries(indexRequest, request.getQueryLimits().getResultsTotal());
var responseBuilder = RpcQsResponse.newBuilder()
.addAllResults(bestItems)
.setSpecs(indexRequest)
.addAllSearchTermsHuman(query.searchTermsHuman);
if (query.domain != null)
responseBuilder.setDomain(query.domain);
responseObserver.onNext(responseBuilder.build());
responseObserver.onCompleted();
} catch (Exception e) {
logger.error("Exception", e);
responseObserver.onError(e);
}
}
private List<RpcDecoratedResultItem> executeQueries(RpcIndexQuery indexRequest, int totalSize) throws InterruptedException
{
final List<RpcDecoratedResultItem> bestItems = new ArrayList<>(2 * totalSize);
LinkedList<Future<RpcSearchResultSet>> resultSets = new LinkedList<>();
for (var node : nodeConfigurationWatcher.getQueryNodes()) {
resultSets.add(indexApi(node).query(indexRequest));
}
long start = System.currentTimeMillis();
long timeout = start + 500;
while (!resultSets.isEmpty() && System.currentTimeMillis() < timeout)
{
resultSets.removeIf(f -> switch(f.state()) {
case CANCELLED -> true;
case FAILED -> {
logger.error("Error in query", f.exceptionNow());
yield true;
}
case SUCCESS -> {
mergeResults(bestItems, f.resultNow(), totalSize);
yield true;
}
case RUNNING -> false;
});
if (!resultSets.isEmpty()) {
// yield
TimeUnit.MILLISECONDS.sleep(1);
}
}
return bestItems;
}
private static final Comparator<RpcDecoratedResultItem> comparator =
Comparator.comparing(RpcDecoratedResultItem::getRankingScore);
private void mergeResults(List<RpcDecoratedResultItem> bestItems,
RpcSearchResultSet result,
int totalSize)
{
for (int i = 0; i < result.getItemsCount(); i++) {
var item = result.getItems(i);
if (isBlacklisted(item)) {
continue;
}
bestItems.add(result.getItems(i));
}
bestItems.sort(comparator);
if (bestItems.size() > totalSize) {
bestItems.subList(totalSize, bestItems.size()).clear();
}
}
private boolean isBlacklisted(RpcDecoratedResultItem item) {
return blacklist.isBlacklisted(UrlIdCodec.getDomainId(item.getRawItem().getCombinedId()));
}
}

13
code/services-core/query-service/src/main/java/nu/marginalia/query/QueryService.java
View File

@ -2,6 +2,7 @@ package nu.marginalia.query;
import com.google.gson.Gson;
import com.google.inject.Inject;
import io.grpc.ServerBuilder;
import nu.marginalia.client.Context;
import nu.marginalia.db.DomainBlacklist;
import nu.marginalia.index.client.IndexClient;
@ -19,6 +20,7 @@ import spark.Request;
import spark.Response;
import spark.Spark;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;
@ -31,16 +33,14 @@ public class QueryService extends Service {
private final DomainBlacklist blacklist;
private final QueryFactory queryFactory;
private volatile List<Integer> nodes = new ArrayList<>();
@Inject
public QueryService(BaseServiceParams params,
IndexClient indexClient,
NodeConfigurationWatcher nodeWatcher,
QueryGRPCService queryGRPCService,
Gson gson,
DomainBlacklist blacklist,
QueryFactory queryFactory)
{
QueryFactory queryFactory) throws IOException {
super(params);
this.indexClient = indexClient;
this.nodeWatcher = nodeWatcher;
@ -48,6 +48,11 @@ public class QueryService extends Service {
this.blacklist = blacklist;
this.queryFactory = queryFactory;
var grpcServer = ServerBuilder.forPort(params.configuration.port() + 1)
.addService(queryGRPCService)
.build();
grpcServer.start();
Spark.post("/delegate/", this::delegateToIndex, gson::toJson);
Spark.post("/search/", this::search, gson::toJson);
}

9
settings.gradle
View File

@ -46,6 +46,7 @@ include 'code:features-index:index-forward'
include 'code:features-index:index-reverse'
include 'code:features-index:domain-ranking'
include 'code:api:actor-api'
include 'code:api:query-api'
include 'code:api:index-api'
include 'code:api:assistant-api'
@ -125,7 +126,9 @@ dependencyResolutionManagement {
library('guice', 'com.google.inject', 'guice').version('7.0.0')
library('guava', 'com.google.guava', 'guava').version('32.0.1-jre')
library('protobuf', 'com.google.protobuf', 'protobuf-java').version('3.0.0')
library('grpc-protobuf', 'io.grpc', 'grpc-protobuf').version('1.49.2')
library('grpc-stub', 'io.grpc', 'grpc-stub').version('1.49.2')
library('grpc-netty', 'io.grpc', 'grpc-netty-shaded').version('1.49.2')
library('rxjava', 'io.reactivex.rxjava3', 'rxjava').version('3.1.6')
library('prometheus', 'io.prometheus', 'simpleclient').version('0.16.0')
@ -189,7 +192,7 @@ dependencyResolutionManagement {
library('handlebars.markdown','com.github.jknack','handlebars-markdown').version('4.2.1')
library('sqlite','org.xerial','sqlite-jdbc').version('3.41.2.1')
library('javax.annotation','javax.annotation','javax.annotation-api').version('1.3.2')
library('parquet-column', 'org.apache.parquet','parquet-column').version('1.13.1')
library('parquet-hadoop', 'org.apache.parquet','parquet-hadoop').version('1.13.1')
@ -200,7 +203,7 @@ dependencyResolutionManagement {
bundle('nlp', ['stanford.corenlp', 'opennlp', 'fasttext'])
bundle('selenium', ['selenium.chrome', 'selenium.java'])
bundle('handlebars', ['handlebars', 'handlebars.markdown'])
bundle('grpc', ['protobuf', 'grpc-stub', 'grpc-protobuf', 'grpc-netty'])
bundle('gson', ['gson', 'gson-type-adapter'])
bundle('httpcomponents', ['httpcomponents.core', 'httpcomponents.client'])
bundle('parquet', ['parquet-column', 'parquet-hadoop'])