Timed out while waiting for initial discovery state – timeout – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-2.9

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Briefly, this error occurs when OpenSearch nodes fail to form a cluster within the specified timeout period. This could be due to network issues, incorrect configuration, or overloaded nodes. To resolve this, you can increase the timeout value in the configuration file. Also, ensure that all nodes are correctly configured and can communicate with each other. If the nodes are overloaded, consider adding more nodes to the cluster or optimizing your data and queries to reduce the load.

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This guide will help you check for common problems that cause the log ” timed out while waiting for initial discovery state – timeout: {} ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: discovery, node.

Log Context

Log “timed out while waiting for initial discovery state – timeout: {}” classname is Node.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :


                    public void onTimeout(TimeValue timeout) {
                        logger.warn("timed out while waiting for initial discovery state - timeout: {}"; initialStateTimeout);
                }; state -> state.nodes().getClusterManagerNodeId() != null; initialStateTimeout);

                try {


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