Eventual Slow Performance and Low Load (1 reply)
Hi, I recently converted all my MyIsam tables, which were all running perfectly fine, to InnoDB because of the larger volume of data I was getting. Usually all the queries never take longer than 1-2...
View ArticleInnoDB: Over 1000 columns (2 replies)
We receive "errno: 139" when we try to create an InnoDB table with over 1000 columns. Is there any setting we can change to get this to work? Right now I think our only two options are: 1) Use MyISAM...
View ArticleOrphaned temp tables in data dictionary (1 reply)
Running 5.5.x with file per table enabled. Background: Started with a huge partitioned MyISAM table and attempted to convert it to InnoDB. MySQL server crashed mid-way and left a ton of...
View Articlemysqldump 5.6 from 5.1 (OPTION SQL_QUOTE_SHOW_CREATE=1) (no replies)
I am tryint o take mysqldump from 5.1.28 mysql of the server where 5.6.1 is installed. It fails with following error: C:\Documents and Settings\Administrator>mysqldump -c -h 10.171.170.13 -u root...
View Articleupgrade mysql from 5.5.20 to 5.5.29 (1 reply)
how to upgrade mysql from 5.5.20 to 5.5.29 from where to download the patch and how to apply it?
View ArticleLock and request never end (1 reply)
Hello, I tried to delete data on a table history_uint with : DELETE history_uint.* FROM history_uint LEFT JOIN items ON history_uint.itemid = items.itemid WHERE items.itemid IS NULL ; I was waiting.....
View ArticleInnoDB default storage settings (1 reply)
I am running MySQL 5.5.29 on Windows 2008 R2 Server. The server has a mix of MyISAM & InnoDB tables with InnoDB being the default database engine. Looking at the servers configuration settings in...
View ArticlePlease help me diagnose a possible mem leak (no replies)
I'm seeing what looks like a memleak once I increased my buffer-pool size beyond 2-4G (before I did this, the server could run fine for months). The symptoms are: mysqld starts filling up gigs of swap...
View Articlelinking filesystem data with database in a specific colunm (1 reply)
Hello I have table which contain different columns, two of this column store binary file information but i want to this binary file on separate disk and create a link to it from my database. How do I...
View ArticleUpdate query Crashes the server (1 reply)
Hello, We have three node XtraDB cluster, the cluster was working fine for past few weeks. Today our cluster completely crashed, while checking the logs I found this issue created due to the update....
View ArticleStrange SELECT lock / timeout (1 reply)
I'm having a strange problem with a SELECT in an Innodb table, it never returns. CREATE TABLE `example` ( `id` int(11) NOT NULL, `done` tinyint(2) NOT NULL DEFAULT '0', `agent` tinyint(4) NOT NULL...
View ArticleInnoDB Bug (no replies)
I am currently experiencing a problem in MySQL Database in which I cannot start the MySQL Service. When I look at the .err file on the data dictionary, the following errors were displayed. 130415...
View Article[Mysql 5.5.30] Slow simple UPDATE query - "query end" and context switching...
Hello, I have problem with slow UPDATE queries. Every couple of minutes some similar update queries take more than 2 seconds. In where clause there is only PK check, there shouldn't be any queries...
View ArticleUnable to lock ./ibdata1, error: 11 (no replies)
Hi, I am a newbie as far as mysql administration is concerned. Let me first explain the background of how we are using mysqld and then I will explain the issue. Background: We have a tool using which...
View ArticleCan't start the MySQL service - Error with InnoDB (no replies)
Hello, I have an installation of MySQL 5.6 which has been working fine, until today. When I started windows the MySQL service did not start, so I tried to start it from the console with mysqld. From...
View ArticleA very slow query on InnoDb 5.1.67 (1 reply)
Hello everyone, I have an InnoDB database which we use on our webshop written in PHP. MySql version 5.1.67. The problem is a very slow query, and overall database performance. The query in question...
View Articleunable connect mysql server RedHat (no replies)
Hi MYSQL expert i've installed mysql in linux redhat , i can start the mysql deamon [root@localhost mysql]# service mysql status MySQL running (7240) [ OK ] , but i failed to connect mysql server i...
View ArticleMysql does not use a best index (no replies)
I have 2 indices: KEY `I_member_id` (`member_id`), KEY `I_admin_id` (`admin_id`,`member_id`), When I make a sql query: describe select * from bet_1366128000 where admin_id=1 and member_id=4741 The...
View ArticleHelp with detected deadlock (no replies)
We are running a big delete statement with IN-clause to cleanup much older data. But the insert-statement shall insert only data with much newer Id's therefore the rows are not in the same ID-space....
View ArticleData Organization in InnoDB (no replies)
Data Organization in InnoDB https://blogs.oracle.com/mysqlinnodb/entry/data_organization_in_innodb
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