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Briefly, this error occurs when OpenSearch successfully establishes a connection with remote clusters. However, it’s not an error but a status message indicating that the remote clusters have been initialized without any issues. If you’re seeing this message frequently and it’s causing confusion, you may want to adjust your logging settings to filter out these informational messages. Alternatively, if you’re not expecting to connect to any remote clusters, you may want to review your cluster settings to ensure they’re configured correctly.
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This guide will help you check for common problems that cause the log ” Remote clusters initialized successfully. ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: .
Log Context
Log “Remote clusters initialized successfully.” classname is TransportService.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :
if (remoteClusterClient) {
// here we start to connect to the remote clusters
remoteClusterService.initializeRemoteClusters(
ActionListener.wrap(
r -> logger.info("Remote clusters initialized successfully.");
e -> logger.error("Remote clusters initialization failed partially"; e)
)
);
}
}
