CritasWang commented on issue #14691: URL: https://github.com/apache/iotdb/issues/14691#issuecomment-2817498463
> > 可以修改datanode-env.sh 的 memory-size 如果 是 windows 则是 datanode-env.bat > > 8G内存的机器, MEMORY_SIZE=6G 已经改到6G了, 还是不行 参考了这个链接做了些修改, 也无济于事 https://iotdb.apache.org/zh/UserGuide/latest/FAQ/Frequently-asked-questions.html#%E9%A2%84%E4%BC%B0%E5%86%85%E5%AD%98%E4%B8%8D%E8%B6%B3%E6%8A%A5%E9%94%99%E5%A6%82%E4%BD%95%E5%A4%84%E7%90%86 > > ## [root@ip-10-0-137-177 apache-[iotdb-1](https://issues.apache.org/jira/browse/IOTDB-1).3.3-all-bin]# tools/export-tsfile.sh -h 127.0.0.1 -p 6667 -u root -pw root -t ./backup -q "select * from root.vGco.** where time >= 1736734200000 and time <= 1736734260000" > ## Starting IoTDB Client Export Script > Cannot dump result because: 301: There is not enough memory to execute current fragment instance, current remaining free memory is 308727591B, estimated memory usage for current fragment instance is 888118024B > > 只导出1分钟的数据也不行, 需要888118024B = 800M 内存 这个操作中会将root.vGco.** 内所有的测点按时间对齐组成一个超级大宽表，因此预估的资源会比较多。 建议使用 export-tsfile.sh 时 select 语句中仅包含单个 device，不同的 device 分开来导出 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
