ZK connection leak
------------------
Key: HBASE-5362
URL: https://issues.apache.org/jira/browse/HBASE-5362
Project: HBase
Issue Type: Bug
Components: mapreduce
Affects Versions: 0.90.3
Reporter: Ionut Ignatescu
I have an application like a scheduler that starts periodically some MR jobs
that reads from one HBase table and write in more tables, changing the row key
and the columns list.
I have encounted a problem with this: after each MR job, I have +1 connections
open to ZK and after a period of time, I have received IOException. I saw that
I am not the first that had had this problem, but I didn't see any fix. No in
HBase 0.90.4, nor in HBase 0.92.
To fix this issue I wrote a custom TableInputFormat that forces to close the
connection to ZK after each getSplits call.
Also, the initTableMapperJob was overwritten.
I found an open JIRA issue here:
https://issues.apache.org/jira/browse/HBASE-3792
Regards,
Ionut I.
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