[jira] [Created] (HELIX-356) add a tool for grep zk transaction/snapshot logs based on time

["Zhen Zhang (JIRA)" <ji...@apache.org>]

Zhen Zhang created HELIX-356:
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             Summary: add a tool for grep zk transaction/snapshot logs based on time
                 Key: HELIX-356
                 URL: https://issues.apache.org/jira/browse/HELIX-356
             Project: Apache Helix
          Issue Type: Bug
            Reporter: Zhen Zhang
            Assignee: Zhen Zhang


 - to grep a pattern by t1 use:
 zkgrep --zkCfg zkCfg --by t1 --pattern patterns...
 
 - to grep a pattern between t1 and t2 use:
 zkgrep --zkCfg zkCfg --between t1 t2 --pattern patterns...
 
for example, to find fail-over latency between t1 and t2, use:
1) zkgrep --zkCfg zkCfg --between t1 t2 --pattern "closeSession" | grep {fail-node session-id}
2) zkgrep --zkCfg zkCfg --between t1 t2 --pattern "/{cluster}" | grep "CURRENTSTATES" | grep "setData" | tail -1
 
fail-over latency = timestamp difference between 1) and 2)




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