I am having 'issues' with MySQL running on Redhat Advanced Server on a 8 Gigbyte machine (dual P4-Xeon).
After large imports ('load data infile', file size about 1 Gigbyte) into a large table (20-30 GByte, > 100 Million rows), the database crashes. I did try several key_buffer_size settings. The example below had the key_buffer_size set to 6 Gig (but as you see, it shows -50MByte ?). A key buffer size of a bit less then 4 Gig didn't help. I did try a couple of other versions, including 4.0.4 and all of them crashed. The machine is running only one mysql instance at the time. The main issue I try to solve is how to optimize lookups against this one big table. Its index alone is about 10-15 gig... >From the log file: ----------------------------- mysqld got signal 11; This could be because you hit a bug. It is also possible that this binary or one of the libraries it was linked agaist is corrupt, improperly built, or misconfigured. This error can also be caused by malfunctioning hardware. We will try our best to scrape up some info that will hopefully help diagnose the problem, but since we have already crashed, something is definitely wrong and this may fail key_buffer_size=-50335744 record_buffer=209711104 sort_buffer=209715192 max_used_connections=2 max_connections=100 threads_connected=2 It is possible that mysqld could use up to key_buffer_size + (record_buffer + sort_buffer)*max_connections = 3161707 K bytes of memory Hope that's ok, if not, decrease some variables in the equation Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... Stack range sanity check OK, backtrace follows: 0x806eeb4 0x82d9b38 0x830592f 0x80a194f 0x807598a 0x80742e7 Stack trace seems successful - bottom reached Please read http://www.mysql.com/doc/U/s/Using_stack_trace.html and follow instructions on how to resolve the stack trace. Resolved stack trace is much more helpful in diagnosing the problem, so please do resolve it Trying to get some variables. Some pointers may be invalid and cause the dump to abort... thd->query at (nil) is invalid pointer thd->thread_id=9 --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php