Cannot set innodb_buffer_pool_size without mysql crashing (2 replies)
Hi I have a 32bit centos 5.8 server running mysql 5.0.95 If i try and set the innodb_buffer_pool_size the mysqld service will not start. I would like to set it to 4G but even if i try 512M the service...
View Article64 bit windows 2008 r2 installed the 32 bit mySQL? (1 reply)
hi, experts: I have a 64 bit server, but when i try to configure the innodb_buffer_pool_size over 2 GB, throw error like: InnoDB: Error: cannot allocate 2621456384 bytes of InnoDB: Note that in most...
View Articleslow query in Inndb (4 replies)
I hope this section will be ok for this. I have database using InnoDB engine. Unfortunately one query needs over 7 seconds to compleat. I can't find what makes is so slow. Time is not connected with...
View ArticleInnodb auto increment (no replies)
In what cases an auto increment ID in InnodDB table can be reset to 0 itself automatically? I have an Integer Auto increment ID column in my InnoDB table and it does reset when I restart MySql server....
View ArticleMyISAM replica to Innodb slave (no replies)
Can I replicate DB with MyISAM tables to a passive slave DB with Innodb? Are there any known issues that I should be aware of before doing this? I intend to to use the dump from Innodb slave to...
View Articleinnodb_data_home_dir ignored (3 replies)
Server : Win7 x64 DB : MySQL 5.5.25 It seems that mysqld is ignoring the value of innodb_data_home_dir. It is storing the datafiles in C:\ProgramData\MySQL\MySQL Server 5.5\data\{database}. The only...
View ArticleReasons for not including subtree size in BTREE nodes (1 reply)
Hi, I'am a PhD student, writing a thesis about indexing. I am also a software architect at nk.pl, which gave ma an experience of extra slow queries with large OFFSET. From the theoretic point of view,...
View ArticleMySQL 5.5.8 - Configuration Settings Suggestions (no replies)
We have a server in IBM-Blade having 16 Cores with 48GB RAM but we are always facing issue with continuous load issue and swap memory usage issue. Please suggest me the configuration settings so that...
View Articleinnodb table is crashing and asking for repair (12 replies)
Hi, I have recently started using MySQL for our testing framework where we store various information, including the result of all the tests in the table 'result' for a single test job. For one of our...
View ArticleMySQL 5.6: InnoDB Read-only Performance (no replies)
MySQL 5.6: InnoDB Read-only Performance http://blogs.innodb.com/wp/2011/12/better-scaling-of-read-only-workloads/...
View ArticleMySQL Workbench bench drop table innodb (no replies)
I was using MySQL Workbench, i was creating a new EER model. New I syncronized the EER with the mydb database all tables, than was created before has been deleted. My last back up was 4 days before i...
View Articleflush logs taking unusually long and causing locking. (5 replies)
Hi Guys, Need some help urgently. mysql version: 5.0.51 My my knowledge, flush logs closes and reopens all log files. In case of binlogs, it creates a new file with incremented sequence. And this...
View ArticleDeadlock with stored procedure generating UID (4 replies)
I have a stored procedure generating UID's from a "ticket" table, but under load I'm getting lots of deadlocks. I'm calling this procedure many times from multiple concurrent connections whenever my...
View Articleinternal dictionary and frm file issue. (no replies)
I recently migrated from a mysql install on windows 2003 to windows 2008. To migrate my databases I did an sql dump and then a restore on the new system, both with SQLyog. I am getting a bunch of...
View ArticleIs it possible to take backup using tablespace offline in mysql? (1 reply)
create tablespace works only for clusters? Or for standalone Mysql instances also? If its for standalone also is it possible to take mysql tablespace offline and take .ibd file for backup and...
View Articleunable to set a column varchar(2048) in an innodb table (1 reply)
Hi, guys need some help here. This is a very large innodb table i have that has over 250 columns. when i try to alter one of the columns to varchar (1024), get an error as the following.. ERROR 1118...
View ArticleTable Locking while select (2 replies)
We are using MySQL 5.1. We have a table called “raw_trap_store_hist” where 1000-2000 records will be getting inserted/updated for every second by 2 processes (Backend application process). MySQL 5.1...
View ArticleQuery way to slow (6 replies)
Hello, i have a problem, when querying a database, filled with data, generated by TCPH (scale factor 0.05). It's way to slow and I dont know how to speed it up. I added a table called custsupp. It's...
View ArticleDeadlock Detection in InnoDB storage engine (9 replies)
Currently we are doing concurrent testing for our application which uses InnoDB storage engine. We have nearly 5 threads running in parallel each performing same set of operations in a fixed order. we...
View ArticleInnoDB-memcached-windows (no replies)
In the labs projects you can find the innodb_memcached_config.sql in the windows binaries also. I don't know if anybody tried it, but i have failed with the plugin installation (the ...config.sql...
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