Database Reference
In-Depth Information
Performance tuning
With stress tests completed, you might have identified the key areas for improvement. The
broadest areas that you can categorize performance tuning into is the read and write per-
formance area. Alternatively, there may be worries such as the I/O contention (compaction
tuning) on servers. Apart from these, there may be several external factors to it, for ex-
ample, slow disk, shared resources (such as shared CPU), and connectivity issues. We are
not going to discuss external factors here. The assumption is that you will have sufficient
resources allocated to the Cassandra servers. This section will discuss various tweaks to get
Cassandra to start performing the best that it can within the given resources.
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