qimumu9406 opened a new pull request, #9183: URL: https://github.com/apache/incubator-doris/pull/9183
…escription Error The content described in the developer manual does not match the source code #9179 # Proposed changes Modify the content of the developer manual Issue Number: close #9179 ## Problem Summary:Fe Leader 节点启动时，会创建并启动 leaderCheckpointer 线程（运行间隔默认六十秒）。leaderCheckpointer 会读取已存在最新的image文件和最新同步Edit log（journal_id）,对已存在最新的image进行回放，然后形成新的image并保存。之所以是重新生成一份镜像副本，而不是将已有镜像写成 image，主要是考虑写 image 加读锁期间，会阻塞写操作。所以每次 checkpoint 会占用双倍内存空间。 Describe the overview of changes. None ## Checklist(Required) 1. Does it affect the original behavior: Yes 2. Has unit tests been added: No Need 3. Has document been added or modified: Yes 4. Does it need to update dependencies: No 5. Are there any changes that cannot be rolled back: No ## Further comments If this is a relatively large or complex change, kick off the discussion at [[email protected]](mailto:[email protected]) by explaining why you chose the solution you did and what alternatives you considered, etc... -- 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] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
