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Posted to issues@ozone.apache.org by "Sammi Chen (Jira)" <ji...@apache.org> on 2023/02/28 07:58:00 UTC

[jira] [Created] (HDDS-8043) Enable rocksdb statistics metrics by default

Sammi Chen created HDDS-8043:
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             Summary: Enable rocksdb statistics metrics by default
                 Key: HDDS-8043
                 URL: https://issues.apache.org/jira/browse/HDDS-8043
             Project: Apache Ozone
          Issue Type: Improvement
            Reporter: Sammi Chen
            Assignee: Sammi Chen


Previously rocksdb statistics are not enabled by default due to
 # there are two many rocksdb instances on DN.  It's hard to find the information of one specific container rocksdb instance. So for DN, this function is actually not usable. 
 #  enable rocksdb statistics may have performance impact, around 5%~10%.

Now with schema V3, one rocksdb per volume, there is only a few number of rocksdb instances.  Although the rocksdb statistics may introduce some performance overhead, but it's very useful for real-time rocksdb performance diagnose and investigation.



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