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