https://answers.splunk.com/answers/322363/upgraded-to-626-in-search-head-cluster-shc-environ.html
Here's the workaround if you don't want to go to 6.3
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Ellen, would running step 8 validate that I have this issue in the first place? I've been battling an inflated dispatch directory after upgrading to 6.2.6 as well.
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