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https://issues.apache.org/jira/browse/IOTDB-3802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17625380#comment-17625380
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Song Ziyang commented on IOTDB-3802:
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fixed by https://github.com/apache/iotdb/pull/7763
> [ raft log ] Raft log takes up a lot of disk space
> --------------------------------------------------
>
> Key: IOTDB-3802
> URL: https://issues.apache.org/jira/browse/IOTDB-3802
> Project: Apache IoTDB
> Issue Type: Improvement
> Components: mpp-cluster
> Reporter: 刘珍
> Assignee: Song Ziyang
> Priority: Major
> Attachments: 1027_more_dev.conf, config.properties,
> image-2022-07-12-10-41-14-126.png, screenshot-1.png, screenshot-2.png
>
>
> master_0711_d1dd425
> RatisConsensus ,3副本3C3D
> benchmark写入完成（配置文件见附件），所有节点同步完成，执行flush。
> raft log占用磁盘空间大：
> 4个dataregion的raft log分别是8.3GB/5.8GB/46GB/27GB
> 如果节点数/dataregion数比较多，磁盘占用会更大。需优化。
> !image-2022-07-12-10-41-14-126.png!
> 复现流程
> 1. 192.168.10.62 /66 /68
> schema_region_consensus_protocol_class=org.apache.iotdb.consensus.ratis.RatisConsensus
> data_region_consensus_protocol_class=org.apache.iotdb.consensus.ratis.RatisConsensus
> schema_replication_factor=3
> data_replication_factor=3
> max_waiting_time_when_insert_blocked=36000000
> query_timeout_threshold=36000000
> 2. benchmark 配置见附件
> 约10.26小时
> 3. 写入完成执行flush
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