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
