Andrew Purtell created HBASE-11142:
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Summary: Taking snapshots can leave sockets on the master stuck in
CLOSE_WAIT state
Key: HBASE-11142
URL: https://issues.apache.org/jira/browse/HBASE-11142
Project: HBase
Issue Type: Bug
Affects Versions: 0.94.2
Reporter: Andrew Purtell
As reported by Hansi Klose on user@.
{quote}
we use a script to take on a regular basis snapshot's and delete old one's.
We recognizes that the web interface of the hbase master was not working any
more because of too many open files.
The master reaches his number of open file limit of 32768
When I run lsof I saw that there where a lot of TCP CLOSE_WAIT handles open
with the regionserver as target.
On the regionserver there is just one connection to the hbase master.
I can see that the count of the CLOSE_WAIT handles grow each time
i take a snapshot. When i delete on nothing changes.
Each time i take a snapshot there are 20 - 30 new CLOSE_WAIT handles.
{quote}
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