How are you benchmarking that? On Tue, Nov 22, 2016 at 9:16 PM Abhishek Kumar Maheshwari < abhishek.maheshw...@timesinternet.in> wrote:
> Hi, > > > > I have 8 servers in my Cassandra Cluster. Each server has 64 GB ram and 40 > Cores and 8 SSD. Currently I have below config in Cassandra.yaml: > > > > concurrent_reads: 32 > > concurrent_writes: 64 > > concurrent_counter_writes: 32 > > compaction_throughput_mb_per_sec: 32 > > concurrent_compactors: 8 > > > > With this configuration, I can write 1700 Request/Sec per server. > > > > But our desired write performance is 3000-4000 Request/Sec per server. As > per my Understanding Max value for these parameters can be as below: > > concurrent_reads: 32 > > concurrent_writes: 128(8*16 Corew) > > concurrent_counter_writes: 32 > > compaction_throughput_mb_per_sec: 128 > > concurrent_compactors: 8 or 16 (as I have 8 SSD and 16 core reserve for > this) > > > > Please let me know this is fine or I need to tune some other parameters > for speedup write. > > > > > > *Thanks & Regards,* > *Abhishek Kumar Maheshwari* > *+91- 9999805591 (Mobile)* > > Times Internet Ltd. | A Times of India Group Company > > FC - 6, Sector 16A, Film City, Noida, U.P. 201301 | INDIA > > *P** Please do not print this email unless it is absolutely necessary. > Spread environmental awareness.* > > > Education gets Exciting with IIM Kozhikode Executive Post Graduate > Programme in Management - 2 years (AMBA accredited with full benefits of > IIMK Alumni status). Brought to you by IIMK in association with TSW, an > Executive Education initiative from The Times of India Group. Learn more: > www.timestsw.com >
