Tom Lane wrote: > Stefan Kaltenbrunner <[EMAIL PROTECTED]> writes: >> Tom Lane wrote: >>> Several of the buildfarm machines are exhibiting repeatable signal 11 >>> crashes in what seem perfectly ordinary queries. > >> no stack trace yet however impala at least seems to be running out of >> memory (!) with 380MB of RAM and some 800MB of swap(and no other tasks) >> during the regression run. Maybe something is causing a dramatic >> increase in memory usage that is causing the random failures (in impalas >> case the OOM-killer actually decides to terminate the postmaster) ? > > No, most all the failures I've looked at are sig11 not sig9.
hmm - still weird and I would not actually consider impala a resource starved box (especially when compared to other buildfarm-members) so there seems to be something strange going on. I have changed the overcommit settings on that box for now - let's see what the result of that will be. > > It is interesting that the failures are not as consistent as I first > thought --- the machines that are showing failures actually fail maybe > one time in two. or some even less - dove seems to be one of the affected boxes too - I increased the build frequency since yesterday but it has not yet failed again ... Stefan ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend
