[ADMIN] Re: What else could I've done? COPY to unlogged tbl hung/locked the table

2012-09-04 Thread amacvar
Thank you Tom for the suggestion and the workaround. I think we will be able to hold off on the temporary workaround. Would the 2nd processes in the deadlock show up in pg_locks? (It didn't) An insert from another table that i created to test the datafile did show up as blocked. I got

[ADMIN] Re: What else could I've done? COPY to unlogged tbl hung/locked the table

2012-08-31 Thread amacvar
In addition here is a backtrace of the process while it hung again today: (thanks to our SA Eric) #0 0x00396c8d4627 in semop () from /lib64/libc.so.6 #1 0x005dc313 in PGSemaphoreLock () #2 0x00616586 in LWLockAcquire () #3 0x004a718c in

[ADMIN] What else could I've done? COPY to unlogged tbl hung/locked the table

2012-08-30 Thread amacvar
Hi, I'm relatively new to Pg. Question: What could have happened to cause the COPY to unlogged table to hang? And what would the recreate of the unlogged table have released that a reboot of the cluster did not. Any other place that I could've looked or done something else other than recreating