Is it indexing data from over the network? (high data throughput would increase latency) Is it a virtual machine? (Other machines causing slow downs) Another possible option is the network card is offloading processing onto the CPU which is introducing latency when the CPU is under load.
On Fri, Feb 28, 2014 at 4:11 PM, Petersen, Robert < robert.peter...@mail.rakuten.com> wrote: > Hi guys, > > Got an odd thing going on right now. Indexing into my master server (solr > 3.6.1) has slowed and it is because when solr runs ping shows latency. > When I stop solr though, ping returns to normal. This has been happening > occasionally, rebooting didn't help. This is the first time I noticed that > stopping solr returns ping speeds to normal. I was thinking it was > something with our network. Solr is not consuming all resources on the > box or anything like that, and normally everything works fine. Has anyone > seen this type of thing before? Let me know if more info of any kind is > needed. > > Solr process is at 8% memory utilization and 35% cpu utilization in 'top' > command. > > Note: solr is the only thing running on the box. > > C:\Users\robertpe>ping 10.12.132.101 <-- Indexing > > Pinging 10.12.132.101 with 32 bytes of data: > Reply from 10.12.132.101: bytes=32 time<1ms TTL=64 > Reply from 10.12.132.101: bytes=32 time<1ms TTL=64 > Reply from 10.12.132.101: bytes=32 time<1ms TTL=64 > Reply from 10.12.132.101: bytes=32 time<1ms TTL=64 > > Ping statistics for 10.12.132.101: > Packets: Sent = 4, Received = 4, Lost = 0 (0% lo > Approximate round trip times in milli-seconds: > Minimum = 0ms, Maximum = 0ms, Average = 0ms > > C:\Users\robertpe>ping 10.12.132.101 <-- Solr stopped > > Pinging 10.12.132.101 with 32 bytes of data: > Reply from 10.12.132.101: bytes=32 time<1ms TTL=64 > Reply from 10.12.132.101: bytes=32 time<1ms TTL=64 > Reply from 10.12.132.101: bytes=32 time<1ms TTL=64 > Reply from 10.12.132.101: bytes=32 time<1ms TTL=64 > > Ping statistics for 10.12.132.101: > Packets: Sent = 4, Received = 4, Lost = 0 (0% lo > Approximate round trip times in milli-seconds: > Minimum = 0ms, Maximum = 0ms, Average = 0ms > > C:\Users\robertpe>ping 10.12.132.101 <-- Solr started but no indexing > activity > > Pinging 10.12.132.101 with 32 bytes of data: > Reply from 10.12.132.101: bytes=32 time<1ms TTL=64 > Reply from 10.12.132.101: bytes=32 time<1ms TTL=64 > Reply from 10.12.132.101: bytes=32 time<1ms TTL=64 > Reply from 10.12.132.101: bytes=32 time<1ms TTL=64 > > Ping statistics for 10.12.132.101: > Packets: Sent = 4, Received = 4, Lost = 0 (0% lo > Approximate round trip times in milli-seconds: > Minimum = 0ms, Maximum = 0ms, Average = 0ms > > C:\Users\robertpe>ping 10.12.132.101 <-- Solr started and indexing started > > Pinging 10.12.132.101 with 32 bytes of data: > Reply from 10.12.132.101: bytes=32 time=53ms TTL=64 > Reply from 10.12.132.101: bytes=32 time=51ms TTL=64 > Reply from 10.12.132.101: bytes=32 time=48ms TTL=64 > Reply from 10.12.132.101: bytes=32 time=51ms TTL=64 > > Ping statistics for 10.12.132.101: > Packets: Sent = 4, Received = 4, Lost = 0 (0% lo > Approximate round trip times in milli-seconds: > Minimum = 48ms, Maximum = 53ms, Average = 50ms > > Robert (Robi) Petersen > Senior Software Engineer > Search Department > > > >
