RE: Help with sudden spike in read requests

2019-02-01 Thread Kenneth Brotman
changed since it started happening? Kenneth Brotman From: Subroto Barua [mailto:sbarua...@yahoo.com.INVALID] Sent: Friday, February 01, 2019 10:13 AM To: user@cassandra.apache.org Subject: Re: Help with sudden spike in read requests Vnode is 256 C*: 3.0.15 on m4.4xlarge gp2 vol

Re: Help with sudden spike in read requests

2019-02-01 Thread Subroto Barua
; happening? What changed since it started happening? > > Kenneth Brotman > > From: Subroto Barua [mailto:sbarua...@yahoo.com.INVALID] > Sent: Friday, February 01, 2019 10:13 AM > To: user@cassandra.apache.org > Subject: Re: Help with sudden spike in read requests > >

RE: Help with sudden spike in read requests

2019-02-01 Thread Kenneth Brotman
, February 01, 2019 10:13 AM To: user@cassandra.apache.org Subject: Re: Help with sudden spike in read requests Vnode is 256 C*: 3.0.15 on m4.4xlarge gp2 vol There are 2 more DCs on bare metal (raid 10 and older machines) attached to this cluster and we have not seen this behavior on on-prem

Re: Help with sudden spike in read requests

2019-02-01 Thread Subroto Barua
Vnode is 256 C*: 3.0.15 on m4.4xlarge gp2 vol There are 2 more DCs on bare metal (raid 10 and older machines) attached to this cluster and we have not seen this behavior on on-prem servers If this event is triggered by some bad query/queries, what is the best way to trap it? Subroto > On

RE: Help with sudden spike in read requests

2019-02-01 Thread Kenneth Brotman
If you had a query that went across the partitions and especially if you had vNodes set high, that would do it. Kenneth Brotman From: Subroto Barua [mailto:sbarua...@yahoo.com.INVALID] Sent: Friday, February 01, 2019 8:45 AM To: User cassandra.apache.org Subject: Help with sudden spike