write performance regression in CDH 5.9?

2016-11-18 Thread Graham Baecher
Hi all, We're looking to update the HBase version we're running on our servers, but noticed while comparing performance test results a the previous version that Puts now seem to be slower. Specifically, comparing HBase 1.2.0-cdh5.9.0 to 1.2.0-cdh5.8.0 using YCSB, it looks like mean read latency is

Re: write performance regression in CDH 5.9?

2016-11-18 Thread Jeremy Carroll
Use FIFO. Much better in our testing On Fri, Nov 18, 2016 at 7:46 AM Graham Baecher wrote: > Hi all, > > We're looking to update the HBase version we're running on our servers, but > noticed while comparing performance test results a the previous version > that Puts now seem to be slower. > Spec

Re: write performance regression in CDH 5.9?

2016-11-18 Thread Graham Baecher
Thanks Jeremy. I ran the regressed workload this morning with FIFO enabled and though it was faster, it looks like it was a flat ~1ms faster for both reads and writes. This doesn't compensate for the write performance dropoff, so even with FIFO our 5.9 writes are slower than 5.8. On Fri, Nov 18, 2

Re: write performance regression in CDH 5.9?

2016-11-18 Thread Stack
On Fri, Nov 18, 2016 at 7:46 AM, Graham Baecher wrote: > Hi all, > > We're looking to update the HBase version we're running on our servers, but > noticed while comparing performance test results a the previous version > that Puts now seem to be slower. > Specifically, comparing HBase 1.2.0-cdh5.