On read or write? https://issues.apache.org/jira/browse/CASSANDRA-7039 <https://issues.apache.org/jira/browse/CASSANDRA-7039> and friends in 2.2 should make some difference, I didn’t immediately find perf numbers though.
> On Nov 3, 2015, at 5:42 PM, Dan Kinder <dkin...@turnitin.com> wrote: > > Hey all, > > Just wondering if anyone has done seen or done any benchmarking for the > actual CPU overhead added by various compression algorithms in Cassandra (at > least LZ4) vs no compression. Clearly this is going to be workload dependent > but even a rough gauge would be helpful (ex. "Turning on LZ4 compression > increases my CPU load by ~2x") > > -dan
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