[KYLIN-1590] 2 Kylin Steaming merge jobs of same time range triggered and failed

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Won't Fix
• Affects Version/s: v1.4.0
• Component/s: NRT Streaming
• Assignee: Zhong Yanghong
• Reporter: qianqiaoneng
• Created: 16/Apr/16 00:50
• Updated: 08/Aug/17 09:56
• Resolved: 08/Aug/17 09:56

Description

2 issues:
1. Kylin allows 2 merge jobs with same time range running.
2. when 2 merge jobs with same time range are running on the same time, they mixed up metadata, always get the HTable not found error.
Build Result of Job site_gmb - 20160415212000_20160415215000 - MERGE - PDT 2016-04-15 14:58:38
Build Result: ERROR
Job Engine: ***
Cube Name: site_gmb
Source Records Count: 0
Start Time: Fri Apr 15 14:58:44 PDT 2016
Duration: 2mins
MR Waiting: 0mins
Last Update Time: Fri Apr 15 15:01:42 PDT 2016
Submitter: SYSTEM
Error Log: org.apache.hadoop.hbase.TableNotFoundException: KYLIN_NB2J0SRADJ
at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegionInMeta(ConnectionManager.java:1299)
at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegion(ConnectionManager.java:1128)
at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegion(ConnectionManager.java:1111)
at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegion(ConnectionManager.java:1070)
at org.apache.hadoop.hbase.client.HTable.finishSetup(HTable.java:347)
at org.apache.hadoop.hbase.client.HTable.(HTable.java:201)
at org.apache.hadoop.hbase.client.HTable.(HTable.java:159)
at org.apache.kylin.storage.hbase.steps.CubeHFileJob.run(CubeHFileJob.java:87)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
at org.apache.kylin.engine.mr.common.MapReduceExecutable.doWork(MapReduceExecutable.java:118)
at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:105)
at org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:50)
at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:105)
at org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:124)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)

result code:2