It's hard to tell what's going on from that alone. It looks like planning and admission are taking a long time. How is your admission control configured?
On Wed, Aug 31, 2016 at 6:12 PM, 廖松博 <[email protected]> wrote: > Hi Matt, > > > > Recently our impala cluster is too slow for any sql query > (whether small or large query): > > > > This SQL is a small query and it is supposed to be completed in > 2s, but a lot more actually , and it seems “completed admission” takes a > lot of time, and this phase is “the planning”, right ? > > Any idea about what operation in this phase could be the bottleneck and > any way to locate and solve that ? > > Thanks. > > > > Best Regards, > > Songbo >
