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Posted to issues@hbase.apache.org by "Jimmy Xiang (JIRA)" <ji...@apache.org> on 2017/02/10 17:41:42 UTC

[jira] [Created] (HBASE-17625) Slow to enable a table

Jimmy Xiang created HBASE-17625:
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             Summary: Slow to enable a table
                 Key: HBASE-17625
                 URL: https://issues.apache.org/jira/browse/HBASE-17625
             Project: HBase
          Issue Type: Improvement
            Reporter: Jimmy Xiang


Tried to enable a table with 10k+ regions, it takes more time to generate the plan than do the actual assignment. This is so embarrassing. :)

It turns out that it took quite some time to get the top HDFS block locations in registering regions when creating the Cluster object. There is no new region server, why do we need such info when trying to retain assignment?

Is the region availability thing related to region replica? Can we avoid such penalty if  region replica in not needed?



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