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https://issues.apache.org/jira/browse/HBASE-3943?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Yu updated HBASE-3943:
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Description:
Load balancer works with HRegionInfo. However, compaction status is contained
in HRegion.WriteState
Users reported the following (Schubert Zhang):
1. A region have many files, the compacting takes long time.
2. But the balancer (default 5 minutes) close and move this region to
another server.
3. Then, the compacting start again.
4. Then, then balancer close and move it to another server.
Thus, the compacting cannot complete.
Now, we set the balancer interval to 30 minutes to remission this issue.
We need to propagate compaction status to HServerLoad.RegionLoad so that load
balancer doesn't move the region which is being compacted.
was:
Load balancer works with HRegionInfo. However, compaction status is contained
in HRegion.WriteState
Users reported the following (Schubert Zhang):
1. A region have many files, the compacting takes long time.
2. But the balancer (default 5 minutes) close and move this region to
another server.
3. Then, the compacting start again.
4. Then, then balancer close and move it to another server.
Thus, the compacting cannot complete.
Now, we set the balancer interval to 30 minutes to remission this issue.
We need to propagate compaction status to HRegionInfo so that load balancer
doesn't move the region being compacted.
Summary: Propagate compaction status from HRegion to
HServerLoad.RegionLoad (was: Propagate compaction status from HRegion to
HRegionInfo)
> Propagate compaction status from HRegion to HServerLoad.RegionLoad
> ------------------------------------------------------------------
>
> Key: HBASE-3943
> URL: https://issues.apache.org/jira/browse/HBASE-3943
> Project: HBase
> Issue Type: Bug
> Components: master, regionserver
> Reporter: Ted Yu
> Assignee: Ted Yu
>
> Load balancer works with HRegionInfo. However, compaction status is contained
> in HRegion.WriteState
> Users reported the following (Schubert Zhang):
> 1. A region have many files, the compacting takes long time.
> 2. But the balancer (default 5 minutes) close and move this region to
> another server.
> 3. Then, the compacting start again.
> 4. Then, then balancer close and move it to another server.
> Thus, the compacting cannot complete.
> Now, we set the balancer interval to 30 minutes to remission this issue.
> We need to propagate compaction status to HServerLoad.RegionLoad so that load
> balancer doesn't move the region which is being compacted.
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