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Posted to oak-issues@jackrabbit.apache.org by "Chetan Mehrotra (JIRA)" <ji...@apache.org> on 2016/03/08 04:45:41 UTC

[jira] [Created] (OAK-4095) Include timestamp in journal log entries

Chetan Mehrotra created OAK-4095:
------------------------------------

             Summary: Include timestamp in journal log entries
                 Key: OAK-4095
                 URL: https://issues.apache.org/jira/browse/OAK-4095
             Project: Jackrabbit Oak
          Issue Type: Improvement
          Components: segmentmk
            Reporter: Chetan Mehrotra
            Priority: Minor
             Fix For: 1.6


Currently the journal log has entries like below. At times while debugging crash or some issue we need to determine the probable root state at some point in the past. 

{noformat}
3dea11bb-bd43-4319-a37d-59df778a7271:260988 root
a7a509ac-a9d4-4e2c-a0d8-df71ebe123a0:259736 root
1d889da9-b41c-4889-a0cd-a9aa9dcc1737:259992 root
b78e4aa6-ec68-4e70-a364-f04ccbf4c3b3:259964 root
{noformat}

Currently there is no way to determine from above log what is the root state wrt time. So we need to workaround that by reading each root state and look for some path which has some time related property. To simplify such case it would be helpful to also include timestamp while adding a journal entry

{noformat}
1d889da9-b41c-4889-a0cd-a9aa9dcc1737:259992 root 1457408708772
b78e4aa6-ec68-4e70-a364-f04ccbf4c3b3:259964 root 1457408708899
{noformat}



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