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https://issues.apache.org/jira/browse/HBASE-1782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12746038#action_12746038
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Jean-Daniel Cryans commented on HBASE-1782:
-------------------------------------------
Region server log:
{code}
2009-08-21 11:41:42,156 INFO
org.apache.hadoop.hbase.regionserver.MemStoreFlusher: Too many store files for
region
TestTable,0001035093,1250869123747: 8, requesting compaction and waiting
2009-08-21 11:41:42,396 INFO
org.apache.hadoop.hbase.regionserver.MemStoreFlusher: Too many store files for
region
TestTable,0001035093,1250869123747: 8, requesting compaction and waiting
2009-08-21 11:41:43,494 INFO org.apache.hadoop.hbase.regionserver.HRegion:
region TestTable,,1250869299588/564244348 available; sequence id is 136
2009-08-21 11:41:43,494 INFO org.apache.hadoop.hbase.regionserver.HRegion:
Closed TestTable,,1250869299588
2009-08-21 11:41:43,552 INFO org.apache.hadoop.hbase.regionserver.HRegion:
region TestTable,0000515165,1250869299588/365139303 available; sequence id is
137
2009-08-21 11:41:43,552 INFO org.apache.hadoop.hbase.regionserver.HRegion:
Closed TestTable,0000515165,1250869299588
2009-08-21 11:43:12,406 WARN
org.apache.hadoop.hbase.regionserver.MemStoreFlusher: Tried to hold up flushing
for compactions of region
TestTable,0001035093,1250869123747 but have waited longer than 90000ms,
continuing
2009-08-21 11:43:12,418 WARN
org.apache.hadoop.hbase.regionserver.MemStoreFlusher: Tried to hold up flushing
for compactions of region
TestTable,0001035093,1250869123747 but have waited longer than 90000ms,
continuing
{code}
> Self-inflicted RS temporary deadlocks
> -------------------------------------
>
> Key: HBASE-1782
> URL: https://issues.apache.org/jira/browse/HBASE-1782
> Project: Hadoop HBase
> Issue Type: Bug
> Affects Versions: 0.20.0
> Reporter: Jean-Daniel Cryans
> Fix For: 0.20.1, 0.21.0
>
>
> When a region has too many store files and that that region server holds
> .META., it is easy to get a 90s deadlock. I will paste the stack traces in a
> moment.
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