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Posted to issues@carbondata.apache.org by "Jiayu Shen (Jira)" <ji...@apache.org> on 2020/10/15 13:00:11 UTC
[jira] [Updated] (CARBONDATA-4034) Improve the time-consuming of
Horizontal Compaction for update
[ https://issues.apache.org/jira/browse/CARBONDATA-4034?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jiayu Shen updated CARBONDATA-4034:
-----------------------------------
Summary: Improve the time-consuming of Horizontal Compaction for update (was: Improve the time-comsuming of Horizontal Compaction for update)
> 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
>
> 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.
> 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].
> 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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