Is the iops the same on both machines? On Thu, 2 Jun 2022, 22:02 Dave, <hastings.recurs...@gmail.com> wrote:
> What are you doing to warm up the new server? Need to get that index into > memory with roughly the same queries you have on the other machine, for a > bit. > > > On Jun 2, 2022, at 11:32 AM, Chang Wang <biandan...@hotmail.com> wrote: > > > > Hi All, > > > > I have a machine (EC2 instance) on AWS with solr 6.6 installed. I > recently created an image of it (AMI), and > > used the image to launch another EC2 instance (same type, same zone). > For people unfamiliar with AWS: creating an image is like a disk copy. > > The new instance has exactly the same setup & contents as the old > machine, so my expectation is the solr performances on both machines should > be similar. > > However, the search on the new machine is extremely slow, like 50 times > slower. All other applications on the new machine are normal. > > > > The only difference that I can imagine is that the solr data on the old > machine was indexed organically. The solr data on the new machine was from > a disk copy. > > I have tried multiple things like restarting machine, restarting solr, > giving solr more memory, but have not made any progresses yet. > > > > Has anyone seen similar problems or happen to know the solution? > > > > Thanks, > > Chang >
