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From Thomas Kwan <thomas.k...@manage.com>
Subject Read operations hanged
Date Sun, 10 Aug 2014 17:27:29 GMT
And I have a program that do some read operations and it hangs. And I am seeing

2014-08-10 12:22:05,359 DEBUG [main]
client.HConnectionManager$HConnectionImplementation: Removed all
cached region locations that map to
dn29.manage.com,60020,1407600154728
2014-08-10 12:22:06,173 DEBUG [main]
client.HConnectionManager$HConnectionImplementation: Removed
dn29.manage.com:60020 as a location of
m_data,2fd811c2b1d7476efb16499ccb2b823d,1406512331699.12c9a609765ad0bbd6468d93368f860a.
for tableName=m_data from cache
2014-08-10 12:22:07,180 DEBUG [main]
client.HConnectionManager$HConnectionImplementation: Removed
dn29.manage.com:60020 as a location of
m_data,2fd811c2b1d7476efb16499ccb2b823d,1406512331699.12c9a609765ad0bbd6468d93368f860a.
for tableName=m_data from cache
2014-08-10 12:22:09,193 DEBUG [main]
client.HConnectionManager$HConnectionImplementation: Removed
dn29.manage.com:60020 as a location of
m_data,2fd811c2b1d7476efb16499ccb2b823d,1406512331699.12c9a609765ad0bbd6468d93368f860a.
for tableName=m_data from cache
2014-08-10 12:22:09,196 DEBUG [main]
client.HConnectionManager$HConnectionImplementation: Removed all
cached region locations that map to
dn29.manage.com,60020,1407600154728
2014-08-10 12:22:13,208 DEBUG [main]
client.HConnectionManager$HConnectionImplementation: Removed all
cached region locations that map to
dn29.manage.com,60020,1407600154728

I am seeing the following in the hbase master also

2014-08-10 10:22:25,016 INFO
[master02.manage.com,60000,1407690402682.splitLogManagerTimeoutMonitor]
master.SplitLogManager: total tasks = 1 unassigned = 0
tasks={/hbase-unsecure/splitWAL/WALs%2Fdn29.manage.com%2C60020%2C1407600154728-splitting%2Fdn29.manage.com%252C60020%252C1407600154728.1407621759364=last_update
= 1407690428226 last_version = 53 cur_worker_name =
dn21.manage.com,60020,1407650188526 status = in_progress incarnation =
3 resubmits = 3 batch = installed = 1 done = 0 error = 0}

I wonder if I can just rmr stuff under /hbase-unsecure/splitWAL/...

thanks
thomas

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