Posted by peter |
…the very start of printout
Innodb will print:
=====================================
060717 3:07…do not really like averages
Innodb provides as it is hard…TRANSACTION (2)
For last deadlock
Innodb shows transactions which caused deadlocks…
Posted by
peter @ 12:18 am ::
Innodb ::
Posted by peter |
… from the clustered index.
Q4: Does
Innodb ever merges sequential pages together if … be allocated)
Question:
How much space
InnoDB allocates for each blob outside of … in the system tablespace when an
InnoDB instance is created.
PZ: Sequential “…
Posted by peter |
… | Null | Index_type | Comment |
+—————+————+———-+————–+————-+———–+————-+———-+——–+——+————+———+
| antest_
innodb | 1 | i | 1 | i | A…
Posted by Vadim |
…ENTER;
}
retry:
if (entered_thread <
innodb_thread_concurrency)
{
entered_threads++;
thread->… requires intervention less frequently than
innodb_thread_concurrency setting.
if you have
innodb_flush_logs_at_trx_commit=1 and do not …
Posted by peter |
… will typically print something like this:
InnoDB: Database page corruption on disk or …-4.0.14-form checksum 772331632
InnoDB: stored checksum 2287785129, prior-to-4….such assertion failures most likely higher
innodb_force_recovery values would not help…
Posted by
peter @ 1:27 am ::
Innodb ::
Posted by peter |
… show table status like “test_
innodb” \G
*************************** 1. row ***************************
Name: test_… show table status like “test_
innodb” \G
*************************** 1. row ***************************
Name: test_…
Posted by
peter @ 7:41 pm ::
Innodb ::
Posted by Vadim |
…00′ AND TIME_ID SHOW STATUS LIKE ‘
Innodb_scan_pages%’;
+——————————+——-+
| Variable_name | Value |
…primary key order.
So notes to highlight:
InnoDB fragmentation may hurt your query significantly, …
Posted by peter |
… some 200 tables/sec) – first time
Innodb actually populates data dictionary. The second …any measurable difference between two tested
innodb_open_files values.
Finally I … information from the .ibd files…
InnoDB: Restoring possible half-written data …
Posted by Vadim |
…_pool_size / 16384
OS_THREADS= if (
innodb_buffer_pool_size >= 1000Mb) = 50000
else …_buffer_size
adaptive index hash, size=
innodb_buffer_pool / 64
system dictionary hash…additional_mem_pool_size + 812 / 16384 *
innodb_buffer_pool_size + OS_THREADS *…
Posted by
Vadim @ 4:37 am ::
Innodb ::
Posted by Vadim |
…releases)
Compilation parameters:
For MyISAM /
InnoDB
./configure –prefix=/usr/local/mysqltest…www.mysqlperformanceblog.com/files/benchmarks/
innodb-myisam-falcon.html
(Note: This…release.
MyISAM shows stable result.
InnoDB is better than MyISAM by…
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