morningman edited a comment on issue #2357: Fe will notify new FE type transfer and quit unexpected URL: https://github.com/apache/incubator-doris/issues/2357#issuecomment-561145491 The timeline for this question is as follows: 1. For some reason, the master have lost contact with the other two followers . Judging from the logs of the master, for almost 40 seconds, the master did not print any logs. It is suspected that it is stuck due to full gc or other reasons, causing the other two followers to think that the master has been disconnected. 2. After the other two followers re-elected, they continued to provide services. 3. The master node is manually restarted afterwards. When restarting it for the first time, it needs to rollback some committed logs, so it needs to be closed and restarted again. After restarting again, it returns to normal. The main reason is that the master got stuck for 40 seconds for some reason. This issue requires further observation. At the same time, in order to alleviate this problem, we decided to set bdbje's heartbeat timeout as a configurable value. The default is 30 seconds. Can be configured to 1 minute, try to avoid this problem first.
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