hive-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Ashutosh Chauhan (JIRA)" <>
Subject [jira] [Created] (HIVE-12164) Remove jdbc stats collection mechanism
Date Tue, 13 Oct 2015 20:49:05 GMT
Ashutosh Chauhan created HIVE-12164:

             Summary: Remove jdbc stats collection mechanism
                 Key: HIVE-12164
             Project: Hive
          Issue Type: Task
          Components: Statistics
            Reporter: Ashutosh Chauhan
            Assignee: Ashutosh Chauhan

Though there are some deployments using it, usually its painful to setup since a valid hive-site.xml
is needed on all task nodes (containing connection details) and for large tasks (with thousands
of tasks) results in a scalability issue with all of them hammering DB at nearly same time.
Because of these pain points alternative stats collection mechanism were added. FS stats based
system is default for some time.
We should remove jdbc stats collection mechanism as it needlessly adds complexity in TS and
FS operators w.r.t key handling.

This message was sent by Atlassian JIRA

View raw message