Question: Does Lock in batteries support leader crash?
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foxleren commented
Hi! I tried to use ReplLockManager as it is shown in project README.md, but I noticed that follower can't acquire Lock after leader crash and just freezes. Is it implemented in batteries?
bakwc commented
There is a configurable timeout for auto-expire to handle cases like this, called autoUnlockTime - it's the first and the single argument of ReplLockManager. In the readme it's set to 75 seconds. That mean that after 75 seconds lock will be unlocked.
Also keep in mind you need at least 3 nodes in a cluster, to be able to survive 1 node failure. It will not work for clusters of 1 or 2 nodes.