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Posted to notifications@iotdb.apache.org by "Haonan Hou (Jira)" <ji...@apache.org> on 2022/10/18 09:10:00 UTC
[jira] [Assigned] (IOTDB-4681) [load] Low performance
[ https://issues.apache.org/jira/browse/IOTDB-4681?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Haonan Hou reassigned IOTDB-4681:
---------------------------------
Assignee: yusicheng (was: Haonan Hou)
> [load] Low performance
> ----------------------
>
> Key: IOTDB-4681
> URL: https://issues.apache.org/jira/browse/IOTDB-4681
> Project: Apache IoTDB
> Issue Type: Improvement
> Components: Core/TsFile
> Affects Versions: 0.14.0-SNAPSHOT
> Reporter: FengQingxin
> Assignee: yusicheng
> Priority: Major
> Attachments: log-all-20221015.0.log.gz, log-all-20221016.0.log.gz, log-all-20221017.0.log.gz, log_all.log
>
>
> f33130b9fcaf35feef68538fed7f5a5d8724616e
> Author: wanghui42 <105700158+wanghui42@[users.noreply.github.com|http://users.noreply.github.com/]>
> Date: Mon Oct 17 17:00:09 2022 +0800
> IOTDB-4653 add time precision units when setting TTL (#7639)
> 2022-10-15 22:45:07,749 [pool-23-IoTDB-ClientRPC-Processor-2] INFO o.a.i.d.s.t.i.ClientRPCServiceImpl:638 - Cost: {color:#de350b}1649732 {color}ms, sql is load '/data/load/data/sequence/root.test.g_0/0/0/'
>
> There are 447 tsfiles in '/data/load/data/sequence/root.test.g_0/0/0/' ,their size are almost 13M,and total size is 5.5G.
> If I using two cli to load two folders like g_12 and g_13
> _Cost: 3272731 ms, sql is load '/data/load/data/sequence/root.test.g_12/0/0/'_
> _Cost: 3297271 ms, sql is load '/data/load/data/sequence/root.test.g_13/0/0/_
> For more information about time consumption, see the attachement.
> This performance is too low for user to use.Is there any way to accelerate that?
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