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https://issues.apache.org/jira/browse/KYLIN-2107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Shao Feng Shi closed KYLIN-2107.
--------------------------------
Resolution: Won't Fix
> Time delta between first log record and last log record may be larger(around
> 10ms) than duration field for one query
> --------------------------------------------------------------------------------------------------------------------
>
> Key: KYLIN-2107
> URL: https://issues.apache.org/jira/browse/KYLIN-2107
> Project: Kylin
> Issue Type: Bug
> Affects Versions: v1.5.4.1
> Reporter: Dong Li
> Assignee: Dong Li
> Priority: Major
>
> 2016-08-05 02:20:45,672 INFO [http-bio-7070-exec-34]
> controller.QueryController:174 : Using project: xxx
> 2016-08-05 02:20:45,672 INFO [http-bio-7070-exec-34]
> controller.QueryController:175 : The original query: select xxx from xxx
> 2016-08-05 02:20:45,704 INFO [http-bio-7070-exec-34] routing.QueryRouter:48
> : The project manager's reference is
> org.apache.kylin.metadata.project.ProjectManager@7b58152e
> 2016-08-05 02:20:45,704 INFO [http-bio-7070-exec-34] routing.QueryRouter:60
> : Find candidates by table xxx and project=xxx :
> org.apache.kylin.query.routing.Candidate@cf6e8c4,org.apache.kylin.query.routing.Candidate@262ba282,org.apache.kylin.query.routing.Candidate@7aba1861,org.apache.kylin.query.routing.Candidate@4f96c739
> 2016-08-05 02:20:45,705 INFO [http-bio-7070-exec-34]
> cube.CubeCapabilityChecker:152 : Query joins don't macth on cube xxx
> 2016-08-05 02:20:45,705 INFO [http-bio-7070-exec-34]
> cube.CubeCapabilityChecker:58 : Exclude cube xxx because unmatched joins
> 2016-08-05 02:20:45,705 INFO [http-bio-7070-exec-34]
> cube.CubeCapabilityChecker:152 : Query joins don't macth on cube 3
> 2016-08-05 02:20:45,705 INFO [http-bio-7070-exec-34]
> cube.CubeCapabilityChecker:58 : Exclude cube 3 because unmatched joins
> 2016-08-05 02:20:45,706 INFO [http-bio-7070-exec-34] routing.QueryRouter:49
> : Applying rule: class
> org.apache.kylin.query.routing.rules.RemoveUncapableRealizationsRule,
> realizations before: [xxx]
> 2016-08-05 02:20:45,706 INFO [http-bio-7070-exec-34] routing.QueryRouter:49
> : Applying rule: class
> org.apache.kylin.query.routing.rules.RealizationSortRule, realizations
> before: [xxx], realizations after: [xxx]
> 2016-08-05 02:20:45,706 INFO [http-bio-7070-exec-34] routing.QueryRouter:72
> : The realizations remaining: [xxx] And the final chosen one is the first one
> 2016-08-05 02:20:45,732 DEBUG [http-bio-7070-exec-34]
> enumerator.OLAPEnumerator:105 : query storage...
> 2016-08-05 02:20:45,733 INFO [http-bio-7070-exec-34]
> gtrecord.GTCubeStorageQueryBase:242 : exactAggregation is false because cube
> is partitioned and xxx is not on group by
> 2016-08-05 02:20:45,733 DEBUG [http-bio-7070-exec-34]
> v2.CubeHBaseEndpointRPC:268 : New scanner for current segment xxx[xxx] will
> use SCAN_FILTER_AGGR_CHECKMEM as endpoint's behavior
> 2016-08-05 02:20:45,734 DEBUG [http-bio-7070-exec-34]
> v2.CubeHBaseEndpointRPC:324 : Serialized scanRequestBytes 563 bytes,
> rawScanBytesString 46 bytes
> 2016-08-05 02:20:45,734 INFO [http-bio-7070-exec-34]
> v2.CubeHBaseEndpointRPC:326 : The scan 3bdc81c0 for segment xx[xxx] is as
> below with 1 separate raw scans, shard part of start/end key is set to 0
> 2016-08-05 02:20:45,735 INFO [http-bio-7070-exec-34] v2.CubeHBaseRPC:271 :
> Visiting hbase table xxx: cuboid exact match, from 64 to 112 Start:
> \x00\x00\x00\x00\x00\x00\x00\x00\x00\x70\x00\x00\x00\x00
> (\x00\x00\x00\x00\x00\x00\x00\x00\x00p\x00\x00\x00\x00) Stop:
> \x00\x00\x00\x00\x00\x00\x00\x00\x00\x70\xFF\xFF\xFF\xFF\x00
> (\x00\x00\x00\x00\x00\x00\x00\x00\x00p\xFF\xFF\xFF\xFF\x00), No Fuzzy Key
> 2016-08-05 02:20:45,735 DEBUG [http-bio-7070-exec-34]
> v2.CubeHBaseEndpointRPC:331 : Submitting rpc to 1 shards starting from shard
> 4, scan range count 1
> 2016-08-05 02:20:45,735 INFO [http-bio-7070-exec-34]
> v2.CubeHBaseEndpointRPC:107 : Timeout for ExpectedSizeIterator is: 330000
> 2016-08-05 02:20:45,735 DEBUG [http-bio-7070-exec-34]
> enumerator.OLAPEnumerator:122 : return TupleIterator...
> 2016-08-05 02:20:45,785 INFO [kylin-coproc--pool8-t191]
> v2.CubeHBaseEndpointRPC:385 : <sub-thread for GTScanRequest 3bdc81c0>
> Endpoint RPC returned from HTable KYLIN_Y8T1367HP7 Shard
> \x4B\x59\x4C\x49\x4E\x5F\x59\x38\x54\x31\x33\x36\x37\x48\x50\x37\x2C\x00\x04\x2C\x31\x34\x37\x30\x30\x34\x34\x33\x39\x38\x36\x38\x35\x2E\x34\x34\x63\x31\x61\x39\x30\x62\x65\x66\x65\x36\x34\x36\x38\x33\x37\x65\x36\x34\x61\x34\x61\x61\x32\x61\x31\x64\x37\x38\x66\x62\x2E
> on host: ip-10-0-0-207.Total scanned row: 7525. Total filtered/aggred row:
> 0. Time elapsed in EP: 45(ms). Server CPU usage: 0.054019367635048415, server
> physical mem left: 8.3144704E7, server swap mem left:5.612847104E9.Etc
> message: start latency: -1745@1,agg done@40,compress done@44,server stats
> done@45, debugGitTag:xxx;.Normal Complete: true.
> 2016-08-05 02:20:45,786 DEBUG [kylin-coproc--pool8-t191]
> util.CompressionUtils:67 : Original: 53084 bytes. Decompressed: 60200 bytes.
> Time: 1
> 2016-08-05 02:20:45,805 INFO [http-bio-7070-exec-34]
> service.QueryService:404 : Scan count for each storageContext: 7525,
> 2016-08-05 02:20:45,806 INFO [http-bio-7070-exec-34]
> controller.QueryController:197 : Stats of SQL response: isException: false,
> duration: 134, total scan count 7525
> 2016-08-05 02:20:45,815 INFO [http-bio-7070-exec-34]
> service.QueryService:255 :
> ==========================[QUERY]===============================
> SQL: select xxx from xxx
> User: ADMIN
> Success: true
> Duration: 0.134
> Project: xxx
> Realization Names: [xxx]
> Cuboid Ids: [xxx]
> Total scan count: 7525
> Result row count: 7525
> Accept Partial: false
> Is Partial Result: false
> Hit Exception Cache: false
> Storage cache used: false
> Message: null
> ==========================[QUERY]===============================
> From the log above, the query starts at 2016-08-05 02:20:45,672, and ends at
> 2016-08-05 02:20:45,815, the diff is 143ms
> But in the query summary, the duration is: 0.134s
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