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Posted to dev@unomi.apache.org by "Kevan Jahanshahi (Jira)" <ji...@apache.org> on 2023/04/05 12:20:00 UTC
[jira] [Created] (UNOMI-764) Profile merge system is doing a lot of scroll queries
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.*
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