We recently completed a very successful round of Cassandra tuning here at SHIFT. This post will cover one of the most impactful adjustments we made, which was to the JVM garbage collection settings. I’ll be discussing how the JVM garbage collector works, how it was affecting our cluster performance, the adjustments we made, their effects, the reasoning behind them, and share the tools and techniqu
Tweet Last week, I discussed our experiences with configuring Cassandra. As some of the commenters pointed out, my conclusions about the garbage collection were not fully accurate. I did some more experiments with different kinds of GC settings, which I will discuss in this post. On the bottom line, it is not that hard to get Cassandra run in a stable manner, but you still need a lot more heap spa
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