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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/07/08 16:01:00 UTC

[jira] [Updated] (HIVE-23819) Use ranges in ValidReadTxnList serialization

     [ https://issues.apache.org/jira/browse/HIVE-23819?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated HIVE-23819:
----------------------------------
    Labels: pull-request-available  (was: )

> Use ranges in ValidReadTxnList serialization
> --------------------------------------------
>
>                 Key: HIVE-23819
>                 URL: https://issues.apache.org/jira/browse/HIVE-23819
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Peter Varga
>            Assignee: Peter Varga
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Time to time we see a case, when the open / aborted transaction count is high and often the aborted transactions come in continues ranges.
> When the transaction count goes high the serialization / deserialization to hive.txn.valid.txns conf gets slower and produces a large config value.
> Using ranges in the string representation can mitigate the issue somewhat.



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