Hi Shawn, This issue is also occurring in the new Solr 7.7.0, with only the same data size of 20 GB.
Regards, Edwin On Fri, 8 Feb 2019 at 23:53, Zheng Lin Edwin Yeo <edwinye...@gmail.com> wrote: > Hi Shawn, > > Thanks for your reply. > > Although the space in the OS disk cache could be the issue, but we didn't > face this problem previously, especially in our other setup using Solr > 6.5.1, which contains much more data (more than 1 TB), as compared to our > current setup in Solr 7.6.0, in which the data size is only 20 GB. > > Regards, > Edwin > > > > On Wed, 6 Feb 2019 at 23:52, Shawn Heisey <apa...@elyograg.org> wrote: > >> On 2/6/2019 7:58 AM, Zheng Lin Edwin Yeo wrote: >> > Hi everyone, >> > >> > Does anyone has further updates on this issue? >> >> It is my strong belief that all the software running on this server >> OTHER than Solr is competing with Solr for space in the OS disk cache, >> and that Solr's data is getting pushed out of that cache. >> >> Best guess is that with only one collection, the disk cache was able to >> hold onto Solr's data better, and that with another collection present, >> there's not enough disk cache space available to cache both of them >> effectively. >> >> I think you're going to need a dedicated machine for Solr, so Solr isn't >> competing for system resources. >> >> Thanks, >> Shawn >> >
