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Briefly, this error occurs when OpenSearch detects a corruption in a remote file on a specific node during a recovery process. The local checksum, however, is fine. This could be due to network issues, disk errors, or bugs. To resolve this, you can try to restart the node, check the network connection, or inspect the disk for any errors. If the problem persists, consider reindexing the data. It’s also important to ensure that your OpenSearch version is up-to-date to avoid any known bugs.
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This guide will help you check for common problems that cause the log ” {} Remote file corruption on node {}; recovering {}. local checksum OK ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: node, indices, recovery.
Log Context
Log “{} Remote file corruption on node {}; recovering {}. local checksum OK” classname is RecoverySourceHandler.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :
throw localException;
} else { // corruption has happened on the way to replica
RemoteTransportException remoteException = new RemoteTransportException(
"File corruption occurred on recovery but checksums are ok"; null);
remoteException.addSuppressed(e);
logger.warn(() -> new ParameterizedMessage("{} Remote file corruption on node {}; recovering {}. local checksum OK";
shardId; request.targetNode(); mds); corruptIndexException);
throw remoteException;
}
}
throw e;
