Splunk® Enterprise

Managing Indexers and Clusters of Indexers

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Determine which indexes.conf changes require restart

Some changes to indexes.conf require that you restart the indexer for the changes to take effect:

  • Changing any of these attributes: rawChunkSizeBytes, minRawFileSyncSecs, syncMeta, maxConcurrentOptimizes, coldToFrozenDir, coldtoFrozenScript
  • Changing any of these attributes for existing indexes: repFactor, homePath, coldPath, thawedPath, bloomHomePath, summaryHomePath, tstatsHomePath
  • Adding or removing a volume
  • Enabling an index that contains data
  • Removing an index

You do not need to restart the indexer if you only make these changes:

  • Adding new index stanzas.
  • Changing any attributes not listed as requiring restart
  • Enabling or disabling an index that contains no data

The configuration changes that cause the peer nodes in an indexer cluster to undergo a rolling restart are a superset of those listed here. See Restart or reload after configuration bundle changes?

Note: For information on other configuration changes, outside of indexes.conf, that require a restart, see When to restart Splunk Enterprise after a configuration file change in the Admin Manual.

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This documentation applies to the following versions of Splunk® Enterprise: 6.5.0, 6.5.1, 6.5.1612 (Splunk Cloud only), 6.5.2, 6.5.3, 6.5.4, 6.5.5, 6.5.6, 6.5.7, 6.5.8, 6.5.9, 6.6.0, 6.6.1, 6.6.2, 6.6.3, 6.6.4, 6.6.5, 6.6.6, 6.6.7, 6.6.8, 6.6.9, 6.6.10, 6.6.11, 7.0.0, 7.0.1, 7.0.2, 7.0.3, 7.0.4, 7.0.5, 7.0.6, 7.0.7, 7.1.0, 7.1.1, 7.1.2, 7.1.3, 7.1.4, 7.2.0


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