Hi!
Seeing how the possible regression is in DDL but there is a gain in
other areas? A little slower DDL might be a good tradeoff (if that was
the intention).
Cheers,
-Brian
On Oct 16, 2009, at 10:58 AM, Jay Pipes wrote:
The regression looks serious enough to report to Innobase, IMHO.
Not sure if this should delay the plugin making it into trunk,
though. Looks like decent improvements in a number of other areas
that offset the degradation in ALTER TABLE performance.
Perhaps this may be an issue with one of our default configuration
settings. We should ask Innobase folks.
-jay
Monty Taylor wrote:
That's what it looks like to me, too.
Brian Aker wrote:
Hi!
It looks like the latest Innodb has significant regression for DDL
operations, but... other operations are showing decent gain (though
none of the DML/READ changes seem to be affecting medium/high
concurrency performance).
Anyone else have an interpretation?
Cheers,
-Brian
On Oct 16, 2009, at 7:16 AM, orisndriz05 wrote:
staging-1182 alter_table_add 13.00 0.04 0.02 0.06
staging-1183 alter_table_add 22.00 0.02 0.00 0.02
--
staging-1182 alter_table_drop 12.00 0.01 0.00 0.01
staging-1183 alter_table_drop 20.00 0.00 0.00 0.00
--
staging-1182 connect+select_1_row 2.00 1.27 0.51
1.78
staging-1183 connect+select_1_row 2.00 1.04 0.67
1.71
++
staging-1182 delete_all_many_keys 999.99 0.01 0.01
0.02
staging-1183 delete_all_many_keys 337.00 0.01 0.00
0.01
++
staging-1182 delete_big_many_keys 999.99 0.01 0.01
0.02
staging-1183 delete_big_many_keys 337.00 0.01 0.00
0.01
staging-1184 delete_big_many_keys 308.00 0.04 0.01
0.05
++
staging-1182 insert_key 517.00 5.39 2.06 7.45
staging-1183 insert_key 330.00 3.98 1.64 5.62
++
staging-1182 update_of_key_big 43.00 0.00 0.02 0.02
staging-1183 update_of_key_big 18.00 0.02 0.00 0.02
++
staging-1182 update_of_primary_key_many_keys 999.99
0.03 0.02 0.05
staging-1183 update_of_primary_key_many_keys 884.00
0.02 0.01 0.03
++
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