Today when I start the y-websocket with leveldb storage, the y-websocket show this error log:
Persisting documents to "/opt/data/yjs-storage"
running at '0.0.0.0' on port 1234
/home/node/app/node_modules/levelup/lib/levelup.js:119
return callback(new OpenError(err))
^
Error [OpenError]: IO error: lock /opt/data/yjs-storage/LOCK: Resource temporarily unavailable
at /home/node/app/node_modules/levelup/lib/levelup.js:119:23
at /home/node/app/node_modules/abstract-leveldown/abstract-leveldown.js:38:14
at /home/node/app/node_modules/deferred-leveldown/deferred-leveldown.js:31:21
at /home/node/app/node_modules/abstract-leveldown/abstract-leveldown.js:38:14
at /home/node/app/node_modules/abstract-leveldown/abstract-leveldown.js:38:14
Emitted 'error' event on LevelUP instance at:
at /home/node/app/node_modules/levelup/lib/levelup.js:60:19
at /home/node/app/node_modules/levelup/lib/levelup.js:119:14
at /home/node/app/node_modules/abstract-leveldown/abstract-leveldown.js:38:14
[... lines matching original stack trace ...]
at /home/node/app/node_modules/abstract-leveldown/abstract-leveldown.js:38:14 {
[cause]: undefined
what should I do to fixed this issue? I only opened one kubernetes pod for this service, why did this happen?