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Briefly, this error occurs when OpenSearch is unable to restore data from a remote data store. This could be due to network issues, incorrect configuration, or the remote store being unavailable. To resolve this, you can check the network connectivity between OpenSearch and the remote store, verify the configuration settings for the remote store, or ensure the remote store is up and running. If the data is corrupted, you may need to restore from a different backup.
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This guide will help you check for common problems that cause the log ” failed to restore from remote store ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: restore.
Log Context
Log “failed to restore from remote store” classname is RestoreService.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :
return allocationService.reroute(updatedState; "restored from remote store");
}
@Override
public void onFailure(String source; Exception e) {
logger.warn("failed to restore from remote store"; e);
listener.onFailure(e);
}
@Override
public TimeValue timeout() {
