Briefly, this error occurs when Elasticsearch is unable to save the current state of a data transformation during an update. This could be due to insufficient permissions, network issues, or a problem with the underlying storage system. To resolve this issue, you can check and adjust the user permissions, ensure the network connectivity is stable, and verify the health of your storage system. Additionally, you may need to check the Elasticsearch logs for more detailed error messages that can provide further insights into the problem.
This guide will help you check for common problems that cause the log ” [{}] failed to persist transform state during update. ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “[{}] failed to persist transform state during update.” classname is TransformUpdater.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
// if a version conflict occurs a new state has been written between us reading and writing.
// this is a benign case; as it means the transform is running and the latest state has been written by it
logger.trace("[{}] could not update transform state during update due to running transform"; transformId);
listener.onResponse(lastCheckpoint);
} else {
logger.warn("[{}] failed to persist transform state during update."; transformId);
listener.onFailure(e);
}
})
);
}; listener::onFailure));
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