Re: Slow writes and Frequent timeouts

2017-04-25 Thread Akshay Suresh
l for you? > > > > > > *From:* Akshay Suresh [mailto:akshay.sur...@unotechsoft.com] > *Sent:* Tuesday, April 25, 2017 7:33 AM > *To:* user@cassandra.apache.org > *Subject:* Re: Slow writes and Frequent timeouts > > > > Hi > > It turned out to be an issue in my yam

RE: Slow writes and Frequent timeouts

2017-04-25 Thread ZAIDI, ASAD A
Would you please share what changes you made that proves helpful for you? From: Akshay Suresh [mailto:akshay.sur...@unotechsoft.com] Sent: Tuesday, April 25, 2017 7:33 AM To: user@cassandra.apache.org Subject: Re: Slow writes and Frequent timeouts Hi It turned out to be an issue in my yaml file

Re: Slow writes and Frequent timeouts

2017-04-25 Thread Akshay Suresh
Hi It turned out to be an issue in my yaml file - Each record had a size in GB. I modified my yaml and I am getting good results. Thanks for the support. Cheers. On Tue, Apr 18, 2017 at 11:45 AM, Akshay Suresh < akshay.sur...@unotechsoft.com> wrote: > Hi > > > - Hardware Specs > RAM: 14GB >

Re: Slow writes and Frequent timeouts

2017-04-18 Thread Akshay Suresh
Hi - Hardware Specs RAM: 14GB Cores: 8 Disk: 440GB SSD - I have deployed 7 instances ( Earlier, I mentioned 8 but I had to decommission 1 due to low disk space ) on AWS. - Every node is in the same datacenter. . - I have created a custom schema with 28 columns. Created a simple YAML file for

Re: Slow writes and Frequent timeouts

2017-04-17 Thread Jon Haddad
What are your hardware specs? Where are you running the cluster? Is every node in the same physical datacenter? What command are you using to run stress? > On Apr 17, 2017, at 9:57 AM, Akshay Suresh > wrote: > > Hi > > I have not done much. Just created a

Re: Slow writes and Frequent timeouts

2017-04-17 Thread Akshay Suresh
Hi I have not done much. Just created a schema with SimpleStrategy and a replication factor of 3. Then I created a yaml file Now I am running the cassandra stress tool invoking the yaml file - with 10,000 records ( no warmup ) with 10 concurrent threads. I am just running writes ( no reads )

Re: Slow writes and Frequent timeouts

2017-04-17 Thread Hannu Kröger
It would help to know what kind queries are slow. Hannu > On 17 Apr 2017, at 18:42, Akshay Suresh wrote: > > Hi > > I have set up a cassandra cluster of 8 nodes. > > I am using Apache Cassandra 3.9 > > While using cassandra-stress tool for load testing, I am