[GitHub] [accumulo] keith-turner commented on issue #1118: Batch defining tablets in walog

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keith-turner commented on issue #1118: Batch defining tablets in walog
URL: https://github.com/apache/accumulo/issues/1118#issuecomment-486834265
 
 
   I looked into this a bit.  A lock inside the tablet is acquired while defining the tablet in the walog.  Acquiring the lock for multiple tablets could cause deadlock and performance problems if not done properly.  If the lock could be avoided, that would greatly simplify this.  Need to dig into why the lock is needed.  I think it used to be related to updating the walogs in the metadata table, which is no longer done.  More research is needed.

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