[jira] [Updated] (CARBONDATA-4034) Improve the time-consuming of Horizontal Compaction for update

[Akash R Nilugal (Jira)]

     [ https://issues.apache.org/jira/browse/CARBONDATA-4034?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ajantha Bhat updated CARBONDATA-4034:
-------------------------------------
    Fix Version/s: 2.1.0

> Improve the time-consuming of Horizontal Compaction for update
> --------------------------------------------------------------
>
>                 Key: CARBONDATA-4034
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-4034
>             Project: CarbonData
>          Issue Type: Bug
>            Reporter: Jiayu Shen
>            Priority: Minor
>             Fix For: 2.1.0
>
>          Time Spent: 17h 10m
>  Remaining Estimate: 0h
>
> In the update flow, horizontal compaction will be significantly slower when updating with a lot of segments(or a lot of blocks). There is a case whose costing is as shown in the log.
> {code:java}
> 2020-10-10 09:38:10,466 | INFO | [OperationManager-Background-Pool-28] | Horizontal Update Compaction operation started for [ods_oms.oms_wh_outbound_order]
>  2020-10-10 09:50:25,718 | INFO | [OperationManager-Background-Pool-28] | Horizontal Update Compaction operation completed for [ods_oms.oms_wh_outbound_order].
>  2020-10-10 10:15:44,302 | INFO | [OperationManager-Background-Pool-28] | Horizontal Delete Compaction operation started for [ods_oms.oms_wh_outbound_order]
>  2020-10-10 10:15:54,874 | INFO | [OperationManager-Background-Pool-28] | Horizontal Delete Compaction operation completed for [ods_oms.oms_wh_outbound_order].{code}
> In this PR, we optimize the process between second and third row of the log, by optimizing the method _performDeleteDeltaCompaction_ in horizontal compaction flow.
>  

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