what's mean of the messgaes in innodb status; (2 replies)
Hello, what does the below messages in "show engine innodb status;" are there some problems in this Mysql version 5.5 ? thanks ------------ TRANSACTIONS ------------ Trx id counter B8F147B9 Purge done...
View ArticleJemeryCole/Twitter: Deep Dive into InnoDB Internals (no replies)
http://blog.jcole.us/2013/01/02/on-learning-innodb-a-journey-to-the-core/ http://blog.jcole.us/2013/01/03/a-quick-introduction-to-innodb-ruby/...
View ArticleSlow query log 'Rows_examined' vs 'explain select' rows (no replies)
Hello, I'm wondering if someone can help me out with the following thing which is unclear to me: On our production environment we are using a large table (157 million records, MySQL 5.5, InnoDB). The...
View Article"InnoDB: Unable to lock ./ibdata1, error: 11" (no replies)
First i must mention I am a newbie, so please be patient. I have searched the forum for this error, but no post relates to my situation. I'm running ubuntu on VirtualBox. All i have done to the ubuntu...
View ArticleError 139 from storage engine (no replies)
Dear all, I have just execute this query but it has given 139 error.Please do needful. DROP TABLE IF EXISTS PLAN_TEXT`; CREATE TABLE PLAN_TEXT` ( `HOTEL_ID` varchar(10) NOT NULL DEFAULT '', `PLAN_ID`...
View ArticleStore tables on different HDD (no replies)
Hi! I just can't figure how to use innodb_file_per_table properly: In chapter 14.2.2.1. Using Per-Table Tablespaces I realize that If I have innodb_file_per_table, then when I create a new table, in...
View ArticleStrange deadlock (no replies)
When I check the innodb status. I found the following deadlock. ------------------------ LATEST DETECTED DEADLOCK ------------------------ 130110 16:06:51 *** (1) TRANSACTION: TRANSACTION A55BAD3,...
View ArticleInternal Behaviour of the MySQL Server (no replies)
Hello, I would like to understand the behaviour of the MySQL Server. What happens if I COMMIT a INSERT into a InnoDB table? Does the server allocate space in the memory (in the ranges of...
View ArticleInnoDB: Blogs, Presentations (no replies)
InnoDB: Performance Benchmarks - http://dimitrik.free.fr/blog/archives/2012/04/mysql-performance-56labs-is-opening-a-new-era.html -...
View ArticleGetting MySQL Procedure Error Trace (no replies)
Hello, I am currently using : Server version: 5.5.17 MySQL Community Server (GPL) I need to get error trace from stored procedures/functions, which give me atleast the procedure name that caused the...
View ArticleDatabase hungs (1 reply)
Recently i started to observe strange MySQL hangs that happen sporadically. It looks like threads that manage to get inside the InnoDB kernel are just waiting there causing great havoc. As per...
View ArticleSlow view performance (no replies)
Hello all! This might be a question already answered, but I tried to Google and i found nothing about fixing this issue. I am using MySQL 5.5 on Windows 7 x64. Basically, I want to create a view to...
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 ArticleReleasing disk space after delete data (1 reply)
In http://dev.mysql.com/doc/refman/5.1/en/optimize-table.html it says: "After doing substantial insert, update, or delete operations on an InnoDB table that has its own .ibd file because it was...
View Articlemysqld 5.6 crash with daemon_memcached_w_batch_size > 1 (1 reply)
Hello, I am testing the new innodb-memcached functionnality (MySQL 5.6.9-rc) on a debian squeeze system. Setting data to my innodb table is working well with memcached PHP api. But as soon as I set...
View ArticleMySQL Error no - 1205 Lock_Wait_Timeout exceeded (no replies)
Hi, I am working with an UK Supermarket gaint. I am working with Volume & Performance Testing of RedPrairie WMS. We are using MySQL database to pass parameter data to the LR scripts. We are...
View ArticleMySQL Dump with ERROR 1146 (42S02) (no replies)
Hi, I am using "5.5.23-log" and have error when using the "mysqldump" in recently day. Following is my command command: mysqldump CENTRAL_DB --tables SYS_SETTING -uroot -p --opt|mysql SHOP_DB -uroot...
View ArticleInnoDB: Error: Table "mysql"."innodb_table_stats" not found. (no replies)
Hi, I took backup of database using mysqldump version 5.0.45 and restore the same database in mysql 5.6.9. I am getting the following error in mysql.err 130205 18:50:00 mysqld_safe mysqld from pid...
View Articleproblems with an innodb table (1 reply)
i've a problem with a innodb table. when i connect to the database, i can list all tables by using "show tables". but when i make a "select" or "describe table", i get the error "ERROR 1146 (42S02):...
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