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Warnings of the following type are observed in the <APPIAN_HOME>\logs\search-server\search-server.log:
<APPIAN_HOME>\logs\search-server\search-server.log
[WARN ][org.elasticsearch.cluster.routing.allocation.DiskThresholdMonitor] [Node *hostname*:9300] high disk watermark [90%] exceeded on [*hostname*][Node *hostname*:9300][<Appian_Home>\search-server\_admin\search-local\search-server\data\nodes\0] free: 23.2gb[9.7%], shards will be relocated away from this node
This warning is seen when the disk usage crosses 90% of the available space on the server which hosts the search server.
Add disk space and restart the search server. The hardware requirements documented here provide general guidelines regarding the necessary hardware allotment for an Appian environment.
This article applies to all versions of Appian.
Last Reviewed: October 2018