Kevan Jahanshahi created UNOMI-764: -------------------------------------- Summary: Profile merge system is doing a lot of scroll queries Key: UNOMI-764 URL: https://issues.apache.org/jira/browse/UNOMI-764 Project: Apache Unomi Issue Type: Bug Affects Versions: unomi-1.8.0, unomi-2.2.0 Reporter: Kevan Jahanshahi Fix For: unomi-2.3.0, unomi-1.9.0
We experienced issues with profile merge action with errors like: {code:java} java.lang.Exception: Error loading itemType=org.apache.unomi.api.Profile itemId=a9abefb6-8e21-4a0b-9a38-92c8e2fcf512 at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl$6.execute(ElasticSearchPersistenceServiceImpl.java:772) ~[?:?] at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl$6.execute(ElasticSearchPersistenceServiceImpl.java:740) ~[?:?] at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl$InClassLoaderExecute.executeInClassLoader(ElasticSearchPersistenceServiceImpl.java:2233) ~[?:?] at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl$InClassLoaderExecute.catchingExecuteInClassLoader(ElasticSearchPersistenceServiceImpl.java:2244) ~[?:?] at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl.load(ElasticSearchPersistenceServiceImpl.java:780) ~[?:?] at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl.load(ElasticSearchPersistenceServiceImpl.java:735) ~[?:?] at Proxy6d4b2959_6bef_4c34_bb5a_88734cd23613.load(Unknown Source) ~[?:?] at org.apache.unomi.plugins.baseplugin.actions.MergeProfilesOnPropertyAction$1.execute(MergeProfilesOnPropertyAction.java:226) ~[?:?] at org.apache.unomi.services.impl.events.EventServiceImpl.send(EventServiceImpl.java:175) ~[?:?] at org.apache.unomi.services.impl.events.EventServiceImpl.send(EventServiceImpl.java:144) ~[?:?] at org.apache.unomi.rest.service.impl.RestServiceUtilsImpl.handleEvents(RestServiceUtilsImpl.java:112) ~[?:?] at org.apache.unomi.rest.endpoints.ContextJsonEndpoint.handleRequest(ContextJsonEndpoint.java:364) ~[?:?] at org.apache.unomi.rest.endpoints.ContextJsonEndpoint.contextJSONAsPost(ContextJsonEndpoint.java:311) ~[?:?]{code} {code:java} Caused by: org.elasticsearch.ElasticsearchStatusException: Elasticsearch exception [type=circuit_breaking_exception, reason=[parent] Data too large, data for [indices:data/read/get[s]] would be [8308883688/7.7gb], which is larger than the limit of [8160437862/7.5gb], real usage: [8308883456/7.7gb], new bytes reserved: [232/232b], usages [request=0/0b, fielddata=36816/35.9kb, in_flight_requests=232/232b, model_inference=0/0b, eql_sequence=0/0b, accounting=106608640/101.6mb]] at org.elasticsearch.rest.BytesRestResponse.errorFromXContent(BytesRestResponse.java:177) ~[?:?] at org.elasticsearch.client.RestHighLevelClient.parseEntity(RestHighLevelClient.java:1727) ~[?:?] at org.elasticsearch.client.RestHighLevelClient.parseResponseException(RestHighLevelClient.java:1704) ~[?:?] at org.elasticsearch.client.RestHighLevelClient.internalPerformRequest(RestHighLevelClient.java:1467) ~[?:?] at org.elasticsearch.client.RestHighLevelClient.performRequest(RestHighLevelClient.java:1424) ~[?:?] at org.elasticsearch.client.RestHighLevelClient.performRequestAndParseEntity(RestHighLevelClient.java:1394) ~[?:?] at org.elasticsearch.client.RestHighLevelClient.get(RestHighLevelClient.java:714) ~[?:?] at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl$6.execute(ElasticSearchPersistenceServiceImpl.java:757) ~[?:?] ... 99 more Suppressed: org.elasticsearch.client.ResponseException: method [GET], host [https://cdp-data.societe.mma.fr:9220], URI [/context-profile/_doc/a9abefb6-8e21-4a0b-9a38-92c8e2fcf512], status line [HTTP/1.1 429 Too Many Requests] {"error":{"root_cause":[{"type":"circuit_breaking_exception","reason":"[parent] Data too large, data for [indices:data/read/get[s]] would be [8308883688/7.7gb], which is larger than the limit of [8160437862/7.5gb], real usage: [8308883456/7.7gb], new bytes reserved: [232/232b], usages [request=0/0b, fielddata=36816/35.9kb, in_flight_requests=232/232b, model_inference=0/0b, eql_sequence=0/0b, accounting=106608640/101.6mb]","bytes_wanted":8308883688,"bytes_limit":8160437862,"durability":"PERMANENT"}],"type":"circuit_breaking_exception","reason":"[parent] Data too large, data for [indices:data/read/get[s]] would be [8308883688/7.7gb], which is larger than the limit of [8160437862/7.5gb], real usage: [8308883456/7.7gb], new bytes reserved: [232/232b], usages [request=0/0b, fielddata=36816/35.9kb, in_flight_requests=232/232b, model_inference=0/0b, eql_sequence=0/0b, accounting=106608640/101.6mb]","bytes_wanted":8308883688,"bytes_limit":8160437862,"durability":"PERMANENT"},"status":429} at org.elasticsearch.client.RestClient.convertResponse(RestClient.java:253) ~[?:?] at org.elasticsearch.client.RestClient.performRequest(RestClient.java:231) ~[?:?] at org.elasticsearch.client.RestClient.performRequest(RestClient.java:205) ~[?:?] at org.elasticsearch.client.RestHighLevelClient.internalPerformRequest(RestHighLevelClient.java:1454) ~[?:?] at org.elasticsearch.client.RestHighLevelClient.performRequest(RestHighLevelClient.java:1424) ~[?:?] at org.elasticsearch.client.RestHighLevelClient.performRequestAndParseEntity(RestHighLevelClient.java:1394) ~[?:?] at org.elasticsearch.client.RestHighLevelClient.get(RestHighLevelClient.java:714) ~[?:?] at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl$6.execute(ElasticSearchPersistenceServiceImpl.java:757) ~[?:?] at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl$6.execute(ElasticSearchPersistenceServiceImpl.java:740) ~[?:?] at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl$InClassLoaderExecute.executeInClassLoader(ElasticSearchPersistenceServiceImpl.java:2233) ~[?:?] at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl$InClassLoaderExecute.catchingExecuteInClassLoader(ElasticSearchPersistenceServiceImpl.java:2244) ~[?:?] at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl.load(ElasticSearchPersistenceServiceImpl.java:780) ~[?:?] at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl.load(ElasticSearchPersistenceServiceImpl.java:735) ~[?:?] at Proxy6d4b2959_6bef_4c34_bb5a_88734cd23613.load(Unknown Source) ~[?:?] at org.apache.unomi.plugins.baseplugin.actions.MergeProfilesOnPropertyAction$1.execute(MergeProfilesOnPropertyAction.java:226) ~[?:?] at org.apache.unomi.services.impl.events.EventServiceImpl.send(EventServiceImpl.java:175) ~[?:?] at org.apache.unomi.services.impl.events.EventServiceImpl.send(EventServiceImpl.java:144) ~[?:?] at org.apache.unomi.rest.service.impl.RestServiceUtilsImpl.handleEvents(RestServiceUtilsImpl.java:112) ~[?:?] at org.apache.unomi.rest.endpoints.ContextJsonEndpoint.handleRequest(ContextJsonEndpoint.java:364) ~[?:?] at org.apache.unomi.rest.endpoints.ContextJsonEndpoint.contextJSONAsPost(ContextJsonEndpoint.java:311) ~[?:?] {code} Or: {code:java} Error while executing in class loader java.lang.Exception: Error loading itemType=org.apache.unomi.api.Profile query={ "bool" : { "must" : [ { "match_all" : { "boost" : 1.0 } } ], "filter" : [ { "bool" : { "must" : [ { "term" : { "systemProperties.coveaIdentifier" : { "value" : "d4e55ba9b1004d49e0548ac200e561ac-mma", "boost" : 1.0 } } }, { "bool" : { "must_not" : [ { "exists" : { "field" : "mergedWith", "boost" : 1.0 } } ], "adjust_pure_negative" : true, "boost" : 1.0 } } ], "adjust_pure_negative" : true, "boost" : 1.0 } } ], "adjust_pure_negative" : true, "boost" : 1.0 } } sortBy=properties.firstVisit at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl$24.execute(ElasticSearchPersistenceServiceImpl.java:1757) ~[?:?] at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl$24.execute(ElasticSearchPersistenceServiceImpl.java:1650) ~[?:?] at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl$InClassLoaderExecute.executeInClassLoader(ElasticSearchPersistenceServiceImpl.java:2233) ~[?:?] at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl$InClassLoaderExecute.catchingExecuteInClassLoader(ElasticSearchPersistenceServiceImpl.java:2244) ~[?:?] at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl.query(ElasticSearchPersistenceServiceImpl.java:1767) ~[?:?] at org.apache.unomi.persistence.elasticsearch.ElasticSearchPersistenceServiceImpl.query(ElasticSearchPersistenceServiceImpl.java:1570) ~[?:?] at Proxy6d4b2959_6bef_4c34_bb5a_88734cd23613.query(Unknown Source) ~[?:?] at org.apache.unomi.plugins.baseplugin.actions.MergeProfilesOnPropertyAction.execute(MergeProfilesOnPropertyAction.java:94) ~[?:?] at org.apache.unomi.services.actions.impl.ActionExecutorDispatcherImpl$8.execute(ActionExecutorDispatcherImpl.java:227) ~[?:?] at org.apache.unomi.services.actions.impl.ActionExecutorDispatcherImpl$8.execute(ActionExecutorDispatcherImpl.java:224) ~[?:?] at org.apache.unomi.metrics.MetricAdapter.runWithTimer(MetricAdapter.java:38) ~[?:?] at org.apache.unomi.services.actions.impl.ActionExecutorDispatcherImpl.execute(ActionExecutorDispatcherImpl.java:229) ~[?:?] at org.apache.unomi.services.impl.rules.RulesServiceImpl.onEvent(RulesServiceImpl.java:327) ~[?:?] at org.apache.unomi.services.impl.events.EventServiceImpl.send(EventServiceImpl.java:170) ~[?:?] at org.apache.unomi.services.impl.events.EventServiceImpl.send(EventServiceImpl.java:144) ~[?:?] at org.apache.unomi.rest.service.impl.RestServiceUtilsImpl.handleEvents(RestServiceUtilsImpl.java:112) ~[?:?] at org.apache.unomi.rest.endpoints.ContextJsonEndpoint.handleRequest(ContextJsonEndpoint.java:364) ~[?:?] at org.apache.unomi.rest.endpoints.ContextJsonEndpoint.contextJSONAsPost(ContextJsonEndpoint.java:311) ~[?:?] {code} The merge is doing scroll queries from code: * nal List<Profile> profiles = persistenceService.query(c, "properties.firstVisit", Profile.class, 0, maxProfilesInOneMerge).getList(); Where *maxProfilesInOneMerge* is by default set to {*}-1{*}, in persistence service when doing a query using size {*}-1{*}: {code:java} if (size == Integer.MIN_VALUE) { searchSourceBuilder.size(defaultQueryLimit); } else if (size != -1) { searchSourceBuilder.size(size); } else { // size == -1, use scroll query to retrieve all the results searchRequest.scroll(keepAlive); } {code} With a keepAlive of 1hour by default. So that can be a lot, in case of lot merge requests happen in a short period of time, the scroll will accumulate in RAM. The workaround is to set the *maxProfilesInOneMerge* to something else than *-1* to avoid scroll queries. For that we can use this configuration: * Unomi config: *org.apache.unomi.plugins.base.maxProfilesInOneMerge* * Env config: *UNOMI_MAX_PROFILES_IN_ONE_MERGE* A value of *10* seem's good as we never expect a lot of profiles to be merged together. *But for the current ticket we should fix the default value and we should never do scroll queries at all at that place. Creating a new scroll on every request is a bad idea.* -- This message was sent by Atlassian Jira (v8.20.10#820010)