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From "Toshihiro Suzuki (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-21867) Support multi-threads in HFileArchiver
Date Sun, 10 Feb 2019 08:34:00 GMT
Toshihiro Suzuki created HBASE-21867:

             Summary: Support multi-threads in HFileArchiver
                 Key: HBASE-21867
                 URL: https://issues.apache.org/jira/browse/HBASE-21867
             Project: HBase
          Issue Type: Improvement
            Reporter: Toshihiro Suzuki
            Assignee: Toshihiro Suzuki

As of now, when deleting a table, we do the following regarding the filesystem layout:

1. Move the table data to the temp directory (hbase/.tmp)
2. Archive the region directories of the table in the temp directory one by one:

However, step 2 will take a long time when the table has a huge number of regions. So I propose
doing step 2 in multi-threads in this Jira. 

Also, during master startup, we do the same process as step 2:

We should make it multi-threaded, similarly.

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