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From "Vladimir Ozerov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-6412) Bypass GridCacheMapEntry during bulk data load
Date Sat, 16 Sep 2017 08:27:02 GMT
Vladimir Ozerov created IGNITE-6412:
---------------------------------------

             Summary: Bypass GridCacheMapEntry during bulk data load
                 Key: IGNITE-6412
                 URL: https://issues.apache.org/jira/browse/IGNITE-6412
             Project: Ignite
          Issue Type: Task
          Components: cache
    Affects Versions: 2.1
            Reporter: Vladimir Ozerov


Currently every cache update goes through famous {{GridCacheMapEntry}} entry and acquire a
monitor on it. This is done for the sake of thread-safety. 

When doing bulk data load we can try the following approach:
1) Restrict all cache operations except of target data load 
2) Bypass {{GridCacheMapEntry}} completely, as we guarantee that there are no conflicting
updates
3) Allow accessing cache when load finished

NB: May be the same approach can be used even for plain cache operations due to our striped-pool
architecutre. This needs to be investigated further.



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