In this blog, we’ll discuss the ramifications of the Galera Error Failed to Report Last Committed (Interrupted System Call).
I have recently seen this error with Percona XtraDB Cluster (or Galera):
[Warning] WSREP: Failed to report last committed 549684236,
-4 (Interrupted system call)
It was posted in launchpad as a bug in 2013: https://bugs.launchpad.net/percona-xtradb-cluster/+bug/1434646
My colleague Przemek replied, and explained it as:
Reporting the last committed transaction is just a part of the certification index purge process. In case it fails for some reason (it occasionally does), the cert index purge may be a little delayed. But it does not mean the transaction was not applied successfully. This is a warning after all.
If we look up this error in the source code, we realize …[Read more]