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Posted to issues@kylin.apache.org by "leh (JIRA)" <ji...@apache.org> on 2019/04/12 03:50:00 UTC
[jira] [Created] (KYLIN-3953) cube run many building instances，but dict file locked，failed to acquire lock
leh created KYLIN-3953:
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Summary: cube run many building instances，but dict file locked，failed to acquire lock
Key: KYLIN-3953
URL: https://issues.apache.org/jira/browse/KYLIN-3953
Project: Kylin
Issue Type: Bug
Components: Storage - HBase
Affects Versions: v2.6.1
Environment: cdh57-hadoop, kylin 2.6.1
Reporter: leh
when i build the cube history data for many days,and run many instances in monitor, but hang out the step" #4 Step Name: Build Dimension Dictionary"
kylin.log as follow:
2019-04-12 11:20:28,519 DEBUG [Scheduler 635400189 Job b66ccafa-a2ce-621d-b76d-bac2b16bcca3-240] util.ZookeeperDistributedLock:147 : 240-156345@xxx.host-web1.com trying to lock /kylin/kylin_metadata/dict/DEFAULT.APP_STRATEGY_ADS_VIEW_BASE_INFO_DI_DURATION_CUID/lock
2019-04-12 11:20:28,575 DEBUG [Scheduler 635400189 Job b66ccafa-a2ce-621d-b76d-bac2b16bcca3-240] util.ZookeeperDistributedLock:152 : 240-156345@xxx.host-web1.com see /kylin/kylin_metadata/dict/DEFAULT.APP_STRATEGY_ADS_VIEW_BASE_INFO_DI_DURATION_CUID/lock is already locked
2019-04-12 11:20:28,609 DEBUG [Scheduler 635400189 Job b66ccafa-a2ce-621d-b76d-bac2b16bcca3-240] util.ZookeeperDistributedLock:162 : 240-156345@xxx.host-web1.com failed to acquire lock at /kylin/kylin_metadata/dict/DEFAULT.APP_STRATEGY_ADS_VIEW_BASE_INFO_DI_DURATION_CUID/lock, which is held by 145-156345@xxx.host-web1.com
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kylin.properties:
## Max count of concurrent jobs running
kylin.job.max-concurrent-jobs=50
kylin.cube.max-building-segments=62
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and the same cube ,can I build many instance parallismly? and how to avoid this question?
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