No OOM or HEAP errors On Tue, Oct 24, 2017 at 2:51 PM, Mohapatra, Kishore < kishore.mohapa...@nuance.com> wrote:
> Check how many sstables are there for the table you are having issues with. > > You might be having the Heap pressure. Check your system.log for any OOM > error or HEAP error. > > > > Thanks > > > > *Kishore Mohapatra* > > Principal Operations DBA > > Seattle, WA > > Email : kishore.mohapa...@nuance.com > > > > > > *From:* Jai Bheemsen Rao Dhanwada [mailto:jaibheem...@gmail.com] > *Sent:* Monday, October 23, 2017 11:54 AM > *To:* user@cassandra.apache.org > *Subject:* Re: [EXTERNAL] Lot of hints piling up > > > > Do not see any errors in the logs or OS and compactions are happening in > the regular interval and good too. > > > > > > Issue here is, this causing replication lag across the datacenters. > > > > On Mon, Oct 23, 2017 at 10:23 AM, Mohapatra, Kishore < > kishore.mohapa...@nuance.com> wrote: > > Do you see any error in the cassandra log ? > > Check compactionstats ? > > Also check the OS level log messages to see if you are getting hardware > level error messages. > > > > Thanks > > > > *Kishore Mohapatra* > > Principal Operations DBA > > Seattle, WA > > Ph : 425-691-6417 (cell) > > Email : kishore.mohapa...@nuance.com > > > > > > *From:* Jai Bheemsen Rao Dhanwada [mailto:jaibheem...@gmail.com] > *Sent:* Friday, October 20, 2017 9:44 AM > *To:* user@cassandra.apache.org > *Subject:* [EXTERNAL] Lot of hints piling up > > > > Hello, > > > > We have cassandra cluster in 3 regions with version 2.1.13, and all of a > sudden we started seeing lot of hints accumulating on the nodes. We are > pretty sure there is no issue with the network between the regions and all > the nodes are up and running all the time. > > > > Is there any other reason for the hints accumulation other than the n/w? > eg: wide rows or bigger objects? > > > > Any pointers here could be very helpful. > > > > b/w the hints gets processed after some point of time. > > >
