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https://issues.apache.org/jira/browse/IOTDB-4448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17606814#comment-17606814
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Yukun Zhou commented on IOTDB-4448:
-----------------------------------
count timeseries
返回300万表示删除任务仍未执行到最后的序列物理删除阶段，执行慢应属于第三阶段的数据删除执行慢，数据删除阶段会以schemaRegion为单元依次取出黑名单的序列并发到对应的dataRegion进行执行。
> [ delete timeseries ] delete timeseries root.** does not exit for a long
> time
> -------------------------------------------------------------------------------
>
> Key: IOTDB-4448
> URL: https://issues.apache.org/jira/browse/IOTDB-4448
> Project: Apache IoTDB
> Issue Type: Bug
> Components: mpp-cluster
> Affects Versions: 0.14.0-SNAPSHOT
> Reporter: 刘珍
> Assignee: Yukun Zhou
> Priority: Major
>
> master_0919_3348a06
>
> schema_region_consensus_protocol_class=org.apache.iotdb.consensus.standalone.StandAloneConsensus
> data_region_consensus_protocol_class=org.apache.iotdb.consensus.multileader.MultiLeaderConsensus
> benchmark用如下配置创建元数据，写入数据，完成
> DEVICE_NUMBER=300
> SENSOR_NUMBER=10000
> CLIENT_NUMBER=100
> GROUP_NUMBER=30
> LOOP=1
> BATCH_SIZE_PER_WRITE=1
> 共创建300万序列，
> {color:#DE350B}*执行delete timeseries root.**
> 1个多小时执行不完，count timeseries返回还是300万。*{color}
> 测试环境：
> 1. 私有云 172.20.70.34/35/36/... /43 共10台机器 8CPU 32GB内存
> bencmark在ip35
> 2. bm配置文件见附件delete_ts.conf
> 运行bm的脚本：
> del_ts.sh
> 循环执行同一个bm配置，与delete timeseries root.**
> cat run_del.sh
> #!/bin/bash
> ./del_ts.sh > d1.out
> /data/iotdb/master_0919_3348a06/datanode/sbin/start-cli.sh -h 172.20.70.43 -e
> 'delete timeseries root.**' //长时间执行不完
> ./del_ts.sh > d2.out
> /data/iotdb/master_0919_3348a06/datanode/sbin/start-cli.sh -h 172.20.70.43 -e
> 'delete timeseries root.**'
> ./del_ts.sh > d3.out
> /data/iotdb/master_0919_3348a06/datanode/sbin/start-cli.sh -h 172.20.70.43 -e
> 'delete timeseries root.**'
> ./del_ts.sh > d4.out
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