mysql starting error (no replies)
err file : 120128 23:33:45 InnoDB: Log file .\ib_logfile0 did not exist: new to be created InnoDB: Setting log file .\ib_logfile0 size to 5 MB InnoDB: Database physically writes the file full: wait......
View ArticleMysql crashed once with an “Assertion failure” this morning, how worried...
So for the first time our production system produced the below assertion failure. The system came up without issues after mysqld automatically restarted itself and rolled back some transactions.. But...
View ArticleDate check on insert. (no replies)
Hi, I was wondering how to verify if a date from a column is smaller than another date from another column. Bascially, we'll say it's a promotion that goes on from 02-01-2012('promotion_start' column)...
View ArticleHow to check if Innodb log files are big enough? (no replies)
http://mysqlopt.blogspot.com/
View ArticleMass Import Innodb (1 reply)
Hello, I have been experiencing performance problems while adding massive amount of data on innodb tables. I have spent several weeks reading the manual and articles concerning innodb optimization and...
View Articlerandom-access I/O (2 replies)
Hi everyone! I previously posted a question concerning the performance of mass inserts on Innodb tables by using INSERT...SELECT, nevertheless it seems that the speed problem was a result of "random...
View ArticleTransaction won't end (1 reply)
Hi guys, I'm kinda newbie on transaction. I wrote a stored procedure to insert / update a bunch of tables. The PS works good. But there're some problems about the transaction won't stop. The PS was...
View Articlehow to insert image in mysql table without code (no replies)
hi, can any one tell me how to insert image in mysql table wthout any connection. i.e i dnt want to use php or java etc . simply insert statement can any one please help me out... regards. zahid
View Article[SOLVED] InnoDB trouble after 5.0 to 5.5 upgrade (1 reply)
Hello, I recently upgraded mysql 5.0.90 to 5.5.20. After the upgrade mysqld would not start without innodb_force_recovery. Without this directive, the following errors occur: 120208 13:40:35 InnoDB:...
View Article(INNODB) Meet deadlock when deleting different records from same table in...
Hi, all I met the following deadlock once and was very confusing about why the deadlock happened. TRANSACTION(1) is running sql: delete from `test_STEP` where `test_C1`=865 TRANSACTION(2) is running...
View ArticleError 1005: Can't create table 'mydb.course_offered' (errno: 150) (no replies)
I'm new to mysql workbench Can anyone solve this problem? Executing SQL script in server ERROR: Error 1005: Can't create table 'mydb.course_offered' (errno: 150) --...
View ArticleMinimize row locking for update statement (1 reply)
I have the following scenario: a table can contain a few millions records, of which a couple ten-thousands I am interested in. There are going to be many transactions running at the same time, and I...
View ArticleCan I have an InnoDb database running at the same time as a MyISAM database...
Hi there. I am trying to find out if its possible to have two databases running at the same time, one using innodb and another using MyISAM. an existing database exists that is completely MyISAM. I am...
View ArticleIs Mysql 5.5's innodb performance lower than Mysql 5.0.91's ? (no replies)
Hi, I tested Mysql 5.5.20 innodb performance vs 5.0.91 innodb, the result is that the Mysql 5.5's innodb performance is much slower than Mysql 5.0.91 innodb. Can sb. help to explain the result? Per...
View ArticleTablespace Data File Size (2 replies)
I'm a developer but was assigned the task of setting up a MySQL server with 4TB of storage on a NAS using InnoDB. I'd like to know the maximum data file size that is supported on a 32-bit Windows XP...
View Articlestorage engine becomes NULL (2 replies)
hi all, we have come across a scenario where we have a table with partitioning by key. CREATE TABLE IF NOT EXISTS a3 ( ID VARCHAR(50) NOT NULL, TYPE varchar(50) ,CREATED_ON TIMESTAMP DEFAULT...
View Articleinnodb_file_per_table (no replies)
Hi, Can I specify the path of innodb_file_per_table for each table? •Storing specific tables on separate physical disks, for I/O optimization or backup purposes what does the above mean? How can I set...
View ArticleMySQL inserts/delete are slow on Innodb vs Postgres (no replies)
Hi I am testing mysql 5.6 on Redhat Linux. On the defaulkt installtion, I have done some testing and found that MYSQL insert and delete are slower than Postgres, with same number of rows on simple...
View ArticleKindle Fire, Full Color 7" Multi-touch Display, Wi-Fi (no replies)
A kindle fire is a Tablet Computer version of Amazon.com's kindle e-book reader. It was announced in 28 September 2011 and release on 15 November 2011. It's build in IPS technology works as fork (mean...
View ArticleInnoDB issues when running mysql start (no replies)
Hi team, I am having trouble to figure out the root cause of this issue...I have the lampp installed by hosting company but after I played around (unchecked some options in phpMyadmin) with...
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