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From Sean Huo <s...@crunchyroll.com>
Subject migration to phoenix master branch
Date Fri, 28 Feb 2014 04:55:30 GMT
We have upgraded to the phoenix on master.
What we did is to drop system.table,
install new jar, restart regionservers,
rerun the ddl.

It seems to go wtihout a hitch.
But we noticed that the write to phoenix table
is getting extremely slow. It seems
that the regionservers are busying archiving
the old table.

Here is a snippet of hbase log:

014-02-27 20:42:03,553 DEBUG org.apache.hadoop.hbase.backup.HFileArchiver:
Finished archiving file from: class
org.apache.hadoop.hbase.backup.HFileArchiver$FileableStoreFile,
file:hdfs://bicluster/hbase/BI.EVENTS/f25c0f2022a25323043933ba61b8cd92/USER/a50f3522f5f044448509a6cc143c4ae9,
to:
hdfs://bicluster/hbase/.archive/BI.EVENTS/f25c0f2022a25323043933ba61b8cd92/USER/a50f3522f5f044448509a6cc143c4ae9
2014-02-27 20:42:03,553 DEBUG org.apache.hadoop.hbase.backup.HFileArchiver:
Archiving:class
org.apache.hadoop.hbase.backup.HFileArchiver$FileableStoreFile,
file:hdfs://bicluster/hbase/BI.EVENTS/f25c0f2022a25323043933ba61b8cd92/USER/d184255d968a4885895af6504162dae6

Also seeing a whole bunch of

014-02-27 20:53:50,766 DEBUG
org.apache.hadoop.hbase.index.IndexLogRollSynchronizer: Releasing
INDEX_UPDATE writelock
2014-02-27 20:53:50,766 DEBUG
org.apache.hadoop.hbase.index.IndexLogRollSynchronizer: Releasing
INDEX_UPDATE writelock


Just wondering what exactly is going on here?  Is this the expected
behavior?
And how long this whole process will take for the system to be back to
normal?

Thanks
Sean

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