Why do you recommand both -Xms and -Xmx flags in the same size ? is it recommendation for dse 6.8 ?
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Why do you recommend both -Xms and -Xmx flags be the same size ?
@dmngaya There are 2 benefits for explicitly setting the minimum heap size (-Xms) to be the same as the max size (-Xmx):
- Setting the same value prevents stop-the-world GC pauses when the heap gets resized.
- Setting the minimum size pre-allocates the required RAM on startup and locks the heap in memory reducing the chances of the JVM getting swapped out.
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