InnoDB is the MySQL ACID-compliant storage engine.
1
vote
2answers
27 views
What is the size of currently-existing tmp tables in innodb?
This is yet another "how to add a column to a gigantic table" question. The table on disk takes 2.5GB, and I have around 10GB of ram I can use. I have a feeling I can crank up the tmptablesize option ...
1
vote
1answer
30 views
Issues converting MyISAM table to InnoDB (auto column issue)
I'm having issues trying to convert a table from MyISAM to InnoDB in MySQL 5.6.
The following is the table dump:
--
-- Table structure for table `companies`
--
DROP TABLE IF EXISTS `companies`;
...
0
votes
0answers
9 views
MM Replication and Zabbix in slave, Error code 1032
I have multi-master replication and using Zabbix for server monitoring. Since the replication is row based, I get this error in slave everytime which also breaks my replication. The error I get is:
...
0
votes
0answers
37 views
InnoDB tuning with 1G of ram limit
I am trying to calculate variable moving averages crossover with variable dates.
That is: I want to prompt the user for 3 values and 1 option. The input is through a web front end so I can build/edit ...
0
votes
0answers
23 views
Defacto way of fixing constraint issues without downtime?
I come across two constraint issues all the time (UNIQUE, and referential integrity constraints) within InnoDB. My question is when these issues arise reproducibly what is typically the solution? I'm ...
0
votes
1answer
22 views
Unable to drop the table since its showing waiting for meta data lock
We are trying to drop one table but it's getting hanged, and when we see the 'SHOW PROCESSLIST' command it's showing as 'waiting for meta data lock'. Even we are unable to perform any operation on ...
0
votes
0answers
13 views
MySQL (v5.6.11) InnoDB 5.6.11 restoring indexes during table copy
When i see the profile for my optimize table query here is what i see for the InnoDB storage engine 5.6.11:
+----------------------+------------+
| Status | Duration |
...
0
votes
1answer
42 views
MySQL: Error reading communication packets
I get this warning in mysql,
[Warning] Aborted connection 21 to db: 'MyDB' user: 'MyUser' host: 'localhost' (Got an error reading communication packets)
I have been through few topics in google ...
1
vote
1answer
28 views
Will OPTIMIZE TABLE have any impact on my data?
I'm having issues with a database that is getting quite slow. The analyzer in phpMyAdmin recommends that I run OPTIMIZE TABLE on my tables.
But before doing so, I would (of course) like to know if ...
0
votes
1answer
14 views
How can Innodb ibdata1 file grows by 5X even with innodb_file_per_table set?
I have innodb_file_per_table set and just today my ibdata1 file jumped from 59M to 323M after I made several changes to an 800M table to reduce it to about 600M. That particular table's .ibd file was ...
0
votes
2answers
27 views
Is there slowdown inserting into an InnoDB table that has no index set?
I have an old application with lots of InnoDB tables, that have no indexes at all, not even a primary ID or such.
Those tables only contain a few thousand rows.
Would it be faster to INSERT data ...
0
votes
1answer
36 views
Cannot Utilize Maximum CPU and Memory Usage for MySQL
Good day.
I know this may be a duplicate of other questions however I have applied all the suggestions in many of the threads, but I remain with the same problem.
I have a single stored procedure ...
3
votes
1answer
28 views
Is it possible to select internal InnoDB columns?
I have read that InnoDB uses a few fields internally for all rows, such as the hidden columns DB_TRX_ID and DB_ROW_ID. Is there any easy way to see these values, such as within a select statement?
1
vote
1answer
22 views
High IO when switched to InnoDB
We have query that worked well in MyISAM. When we switched to InnoDB, the writes I/O raised up to 50 times.
The query is type of INSERT ... ON DUPLICATE KEY UPDATE
I don't know if the problem is ...
1
vote
1answer
33 views
mysql ibdata1 file corrupted or increased unusually
We are using MySQL 5.2 version all InnoDB tables.
I have observed that ibdata1 file got increased very unusually like occupied 500 GB in 2 days.
In last 6 months, it had taken only 6 GB though ...
