[jira] [Commented] (IOTDB-5118) datanode opens too many file handles （TYPE DIR）

[Jira]

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https://issues.apache.org/jira/browse/IOTDB-5118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17646396#comment-17646396
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刘珍 commented on IOTDB-5118:
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rel/1.0 1207_67bbd2e  已修复。


> datanode opens too many file handles （TYPE DIR）
> -----------------------------------------------
>
>                 Key: IOTDB-5118
>                 URL: https://issues.apache.org/jira/browse/IOTDB-5118
>             Project: Apache IoTDB
>          Issue Type: Bug
>          Components: mpp-cluster
>    Affects Versions: 1.0.0
>            Reporter: 刘珍
>            Assignee: Haiming Zhu
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.0.1
>
>         Attachments: image-2022-12-05-15-27-46-553.png, 
> image-2022-12-05-15-29-27-526.png, ip62_lsof_datanode_1.out, 
> ip62_lsof_datanode_2.out, lt.conf
>
>
> rel/1.0  20221202  fbbca3f
> 1. 启动3副本3C3D 集群，config/schema/data 分别是ratis/ratis/IoT协议
> 2. 启动BM ，普通序列，写入顺序数据，有查询操作
> OPERATION_PROPORTION=91:1:1:1:1:0:1:1:1:1:1
> 3. datanode 的文件句柄打开过多，且有逐渐增长的现象，运行48小时后的状态
>  !image-2022-12-05-15-27-46-553.png! 
> 其中主要是打开wal文件夹的文件句柄占用过多
>  !image-2022-12-05-15-29-27-526.png! 
> 测试环境
> 1. 192.168.10.62 / 66 /68    72CPU256GB
> ConfigNode配置
> MAX_HEAP_SIZE="8G"
> DataNode 配置
> MAX_HEAP_SIZE="192G"
> MAX_DIRECT_MEMORY_SIZE="32G"
> dn_max_connection_for_internal_service=300
> Common配置
> schema_replication_factor=3
> data_replication_factor=3
> iot_consensus_throttle_threshold_in_byte=536870912000
> 2. BM配置见附件
> 3. lsof 结果见附件



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