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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-14680) Two configs for snapshot timeout and better defaults
Date Thu, 22 Oct 2015 21:01:27 GMT
Enis Soztutar created HBASE-14680:
-------------------------------------

             Summary: Two configs for snapshot timeout and better defaults
                 Key: HBASE-14680
                 URL: https://issues.apache.org/jira/browse/HBASE-14680
             Project: HBase
          Issue Type: Bug
            Reporter: Enis Soztutar
             Fix For: 2.0.0, 1.3.0, 1.2.1, 1.0.3, 1.1.3, 0.98.16


One of the clusters timed out taking a snapshot for a disabled table. The table is big enough,
and the master operation takes more than 1 min to complete. However while trying to increase
the timeout, we noticed that there are two parameters with very similar names configuring
different things: 

{{hbase.snapshot.master.timeout.millis}} is defined in SnapshotDescriptionUtils and is send
to client side and used in disabled table snapshot. 

{{hbase.snapshot.master.timeoutMillis}} is defined in SnapshotManager and used as the timeout
for the procedure execution. 

So, there are a couple of improvements that we can do: 
 - 1 min is too low for big tables. We need to set this to 5 min or 10 min by default. Even
a 6T table which is medium sized fails. 
 - Unify the two timeouts into one. Decide on either of them, and deprecate the other. Use
the biggest one for BC. 
 - Add the timeout to hbase-default.xml. 
 - Why do we even have a timeout for disabled table snapshots? The master is doing the work
so we should not timeout in any case. 




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