Dne 25.4.2011 19:31, Alban Hertroys napsal(a): > On 25 Apr 2011, at 18:16, Phoenix Kiula wrote: > >> If I COPY each individual file back into the table, it works. Slowly, >> but seems to work. I tried to combine all the files into one go, then >> truncate the table, and pull it all in in one go (130 million rows or >> so) but this time it gave the same error. However, it pointed out a >> specific row where the problem was: >> >> >> COPY links, line 15272357: >> "16426447 9s2q7 9s2q7 N http://www.amazon.com/gp/search?camp=1789&creative=9325&ie=UTF8&i..."; >> server closed the connection unexpectedly >> This probably means the server terminated abnormally >> before or while processing the request. >> The connection to the server was lost. Attempting reset: Failed. >> >> >> Is this any use at all? Would appreciate any pointers! > > > I didn't follow the entire thread, so maybe someone mentioned this already, but... > Usually if we see error messages like those it turns out the OS is killing the postgres process with it's equivalent of a low-on-memory-killer. I know Linux's got such a beast, and that you can turn it off. > > It's a frequently recurring issue on this list, there's bound to be some pointers in the archives ;) Not sure if this COPY failure is caused by the same issue as before, but the original issue was caused by this pg_dump: SQL command failed pg_dump: Error message from server: ERROR: invalid memory alloc request size 4294967293 pg_dump: The command was: COPY public.links (id, link_id, alias, aliasentered, url, user_known, user_id, url_encrypted, title, private, private_key, status, create_date, modify_date, disable_in_statistics, user_running_id, url_host_long) TO stdout; pg_dumpall: pg_dump failed on database "snipurl", exiting i.e. a bad memory alloc request (with negative size). That does not seem like an OOM killing the backend. regards Tomas -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
