Re: yet another benchmark bottleneck

another host? > > > *--* > > *Jacques-Henri Berthemet* > > > *From:* onmstester onmstester [mailto:onmstes...@zoho.com > <mailto:onmstes...@zoho.com>;] > *Sent:* Monday, March 12, 2018 12:50 PM > *To:* user <user@cassandra.apache.

Re: yet another benchmark bottleneck

es-Henri Berthemet* *From:* onmstester onmstester [mailto:onmstes...@zoho.com <mailto:onmstes...@zoho.com>] *Sent:* Monday, March 12, 2018 12:50 PM *To:* user mailto:user@cassandra.apache.org>> *Subject:* RE: yet another benchmark bottleneck no luck even with

RE: yet another benchmark bottleneck

dd another instance of cassandra-stress on another host? -- Jacques-Henri Berthemet From: onmstester onmstester [mailto:onmstes...@zoho.com<mailto:onmstes...@zoho.com>] Sent: Monday, March 12, 2018 12:50 PM To: user mailto:user@cassandra.apache.org>> Subject: RE: yet another benchmark

RE: yet another benchmark bottleneck

on another host? -- Jacques-Henri Berthemet From: onmstester onmstester [mailto:onmstes...@zoho.com] Sent: Monday, March 12, 2018 12:50 PM To: user <user@cassandra.apache.org> Subject: RE: yet another benchmark bottleneck no luck even with 320 threads for write

RE: yet another benchmark bottleneck

com>] Sent: Monday, March 12, 2018 12:08 PM To: user mailto:user@cassandra.apache.org>> Subject: RE: yet another benchmark bottleneck RF=1 No errors or warnings. Actually its 300 Mbit/seconds and 130K OP/seconds. I missed a 'K' in first mail, but anyway! the point is: More

RE: yet another benchmark bottleneck

To: user <user@cassandra.apache.org> Subject: RE: yet another benchmark bottleneck RF=1 No errors or warnings. Actually its 300 Mbit/seconds and 130K OP/seconds. I missed a 'K' in first mail, but anyway! the point is: More than half of node resources (cpu, mem, disk

RE: yet another benchmark bottleneck

onmstester onmstester [mailto:onmstes...@zoho.com] Sent: Monday, March 12, 2018 12:08 PM To: user Subject: RE: yet another benchmark bottleneck RF=1 No errors or warnings. Actually its 300 Mbit/seconds and 130K OP/seconds. I missed a 'K' in first mail, but anyway! the point is: More than ha

RE: yet another benchmark bottleneck

onmstester onmstester [mailto:onmstes...@zoho.com] Sent: Monday, March 12, 2018 11:38 AM To: user <user@cassandra.apache.org> Subject: RE: yet another benchmark bottleneck 1.2 TB 15K latency reported by stress tool is 7.6 ms. disk latency is 2.6 ms Sent using Zoho Mail O

RE: yet another benchmark bottleneck

What kind of disk is it? -- Jacques-Henri Berthemet From: onmstester onmstester [mailto:onmstes...@zoho.com<mailto:onmstes...@zoho.com>] Sent: Monday, March 12, 2018 10:48 AM To: user mailto:user@cassandra.apache.org>> Subject: Re: yet another benchmark bottleneck Running two instanc

RE: yet another benchmark bottleneck

-Henri Berthemet From: onmstester onmstester [mailto:onmstes...@zoho.com] Sent: Monday, March 12, 2018 10:48 AM To: user <user@cassandra.apache.org> Subject: Re: yet another benchmark bottleneck Running two instance of Apache Cassandra on same server, each having their own

RE: yet another benchmark bottleneck

What’s your disk latency? What kind of disk is it? -- Jacques-Henri Berthemet From: onmstester onmstester [mailto:onmstes...@zoho.com] Sent: Monday, March 12, 2018 10:48 AM To: user Subject: Re: yet another benchmark bottleneck Running two instance of Apache Cassandra on same server, each

Re: yet another benchmark bottleneck

Running two instance of Apache Cassandra on same server, each having their own commit log disk dis not help. Sum of cpu/ram usage for both instances would be less than half of all available resources. disk usage is less than 20% and network is still less than 300Mb in Rx. Sent using Zoho Mai

Re: yet another benchmark bottleneck

Apache-cassandra-3.11.1 Yes, i'm dosing a single host test Sent using Zoho Mail On Mon, 12 Mar 2018 09:24:04 +0330 Jeff Jirsa wrote Would help to know your version. 130 ops/second sounds like a ridiculously low rate. Are you doing a single host test?

Re: yet another benchmark bottleneck

Would help to know your version. 130 ops/second sounds like a ridiculously low rate. Are you doing a single host test? On Sun, Mar 11, 2018 at 10:44 PM, onmstester onmstester wrote: > I'm going to benchmark Cassandra's write throughput on a node with > following spec: > >- CPU: 20 Cores >