Sinisa,
SM> Alex, you ran out of filedescriptors or out of anodes, depending on OS
SM> that you are using.
I though filedescriptors could be the problem. I only had 256. I
modified the system in order to have 1024 :
=========================================================================
[1:16pm]# ulimit -a
time(seconds) unlimited
file(blocks) unlimited
data(kbytes) unlimited
stack(kbytes) 8192
coredump(blocks) 0
nofiles(descriptors) 1024
vmemory(kbytes) unlimited
=========================================================================
But still :
=========================================================================
010321 13:22:42 Warning: Got signal 14 from thread 4
010321 13:22:44 Warning: Got signal 14 from thread 8
010321 13:22:46 Warning: Got signal 14 from thread 5
010321 13:22:48 Warning: Got signal 14 from thread 8
010321 13:22:50 Warning: Got signal 14 from thread 4
010321 13:22:52 Warning: Got signal 14 from thread 4
010321 13:22:54 Warning: Got signal 14 from thread 4
010321 13:22:56 Warning: Got signal 14 from thread 4
010321 13:22:58 Warning: Got signal 14 from thread 8
010321 13:23:00 Warning: Got signal 14 from thread 8
=========================================================================
How to know if filedescriptors or anode are the problem ?
The extended stats below shows
| Max_used_connections | 17 |
| Open_files | 8 |
| Open_tables | 18 |
I'm fare from 1024 filedescriptors.
=========================================================================
[1:23pm]# mysqladmin ext
+--------------------------+---------+
| Variable_name | Value |
+--------------------------+---------+
| Aborted_clients | 0 |
| Aborted_connects | 0 |
| Bytes_received | 1009183 |
| Bytes_sent | 468860 |
| Connections | 46 |
| Created_tmp_disk_tables | 1 |
| Created_tmp_tables | 1 |
| Created_tmp_files | 0 |
| Delayed_insert_threads | 0 |
| Delayed_writes | 0 |
| Delayed_errors | 0 |
| Flush_commands | 1 |
| Handler_delete | 0 |
| Handler_read_first | 1 |
| Handler_read_key | 18430 |
| Handler_read_next | 3 |
| Handler_read_prev | 0 |
| Handler_read_rnd | 6 |
| Handler_read_rnd_next | 48 |
| Handler_update | 0 |
| Handler_write | 70 |
| Key_blocks_used | 3 |
| Key_read_requests | 7 |
| Key_reads | 3 |
| Key_write_requests | 0 |
| Key_writes | 0 |
| Max_used_connections | 17 |
| Not_flushed_key_blocks | 0 |
| Not_flushed_delayed_rows | 0 |
| Open_tables | 18 |
| Open_files | 8 |
| Open_streams | 0 |
| Opened_tables | 24 |
| Questions | 9331 |
| Select_full_join | 0 |
| Select_full_range_join | 0 |
| Select_range | 0 |
| Select_range_check | 0 |
| Select_scan | 1 |
| Slave_running | OFF |
| Slave_open_temp_tables | 0 |
| Slow_launch_threads | 0 |
| Slow_queries | 0 |
| Sort_merge_passes | 0 |
| Sort_range | 0 |
| Sort_rows | 6 |
| Sort_scan | 2 |
| Table_locks_immediate | 9308 |
| Table_locks_waited | 0 |
| Threads_cached | 0 |
| Threads_created | 18 |
| Threads_connected | 18 |
| Threads_running | 1 |
| Uptime | 501 |
+--------------------------+---------+
SM> It could also be caused by a bug in TCP/IP part of the kernel, but the
SM> above causes are much more likely.
TCP/IP ? How to know if it could be the problem ?
SM> Check out both your global and ulimit values.
I have copied "ulimit -a" exit in this email.
Regards,
Alex.
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