Github user HeartSaVioR commented on the issue:
https://github.com/apache/storm/pull/2261
I explored and applied more changes:
* change ArrayList to pre-allocated array (they're only allocated from
`prepare()`)
* fixed length of `chooses` length: 1000
* at first I set this to 100, and some tests were failing due to
distribution
This might use a bit more memory, but will reduce object allocation on each
updating loads.
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