How fast do your disks rotate? What kind of disk controller are you using
(ATA, SATA, SCSI, ...)? Are they in a RAID array or not. If they are what
RAID scheme are you using?


I had to ask about this one because I'm not too sure about these sort of things. Apparently the box is using ESS disks on SAN, and they're RAID 5.



How big are your buffers and other working areas? (show variables like '%buff%'; show variables like '%size%';).


mysql> show variables like '%buff%'; +-------------------------+-----------+ | Variable_name | Value | +-------------------------+-----------+ | bdb_log_buffer_size | 262144 | | bulk_insert_buffer_size | 8388608 | | innodb_buffer_pool_size | 8388608 | | innodb_log_buffer_size | 1048576 | | join_buffer_size | 131072 | | key_buffer_size | 402653184 | | myisam_sort_buffer_size | 67108864 | | net_buffer_length | 16384 | | read_buffer_size | 2093056 | | read_rnd_buffer_size | 262144 | | sort_buffer_size | 2097144 | +-------------------------+-----------+

mysql> show variables like '%size%';
+---------------------------------+----------------------+
| Variable_name                   | Value                |
+---------------------------------+----------------------+
| bdb_cache_size                  | 8388600              |
| bdb_log_buffer_size             | 262144               |
| binlog_cache_size               | 32768                |
| bulk_insert_buffer_size         | 8388608              |
| delayed_queue_size              | 1000                 |
| innodb_additional_mem_pool_size | 1048576              |
| innodb_buffer_pool_size         | 8388608              |
| innodb_log_buffer_size          | 1048576              |
| innodb_log_file_size            | 5242880              |
| join_buffer_size                | 131072               |
| key_buffer_size                 | 402653184            |
| max_binlog_cache_size           | 4294967295           |
| max_binlog_size                 | 1073741824           |
| max_heap_table_size             | 16777216             |
| max_join_size                   | 18446744073709551615 |
| max_relay_log_size              | 0                    |
| myisam_max_extra_sort_file_size | 268435456            |
| myisam_max_sort_file_size       | 2147483647           |
| myisam_sort_buffer_size         | 67108864             |
| query_alloc_block_size          | 8192                 |
| query_cache_size                | 33554432             |
| query_prealloc_size             | 8192                 |
| range_alloc_block_size          | 2048                 |
| read_buffer_size                | 2093056              |
| read_rnd_buffer_size            | 262144               |
| sort_buffer_size                | 2097144              |
| thread_cache_size               | 8                    |
| tmp_table_size                  | 33554432             |
| transaction_alloc_block_size    | 8192                 |
| transaction_prealloc_size       | 4096                 |
+---------------------------------+----------------------+
30 rows in set (0.01 sec)

Your CPUs are probably up to
  the task but we need to make sure you are using as much available memory
as you can. I see PowerPC in your system description... how fast is your
system bus (or does anyone else think that would make that much of a
difference here)?


Not sure how to check the system bus but this is the info on the CPUs:

RS/6000 & pSeries Details
CPU Architecture=PowerPC Implementation=RS64-III, 64 bit
Machine has 2 CPUs (2 CPUs activated)
CPU Level 1 Cache is Combined Instruction=131072 bytes & Data=131072 bytes
 Level 2 Cache size=4194304
AIX 4.3.3.86


On another thought....I was under the impression that you were trying to create a single "daily" table for testing purposes (hence the date in the table name) yet you seem to have 25M+ entries? Are you sure that's just one day's worth of information? In fact from the time you sent the earliest message in this post until you posted your table status, you added about 10M new rows.


I was tailing the proxies from about lunchtime yesterday and piping the output into the database. By the end of the day there were 25m row.


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