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There are two basic modes that can be run: db off and db on. db off has cache running in memory. db on uses the db for caching. When db is set to on, the nodesum files are cached into the db and filters are run against the db instead of doing the filters manually in memory. NMISx db caching is now the faster option. By default this config item is turned off, to enable this edit your opCommon.nmis file located at /usr/local/omk/conf/opCommon.nmis and set nmisx_db_cache_enable to 1. For systems with a low number of nodes, using the db may not show any performance improvement
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nmisx_db_cache_enable' => 1 |
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