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Transaction Locks (1 reply)

Hi, can help I am getting a error saying Lock wait timeout exceeded; try restarting transaction , I was set the isolation to Read-Uncommitted still have I same issue. What is the best way to no lock...

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Urgent help needed, database is not starting (no replies)

Database is not starting and hangs at this point: 100725 11:28:22 InnoDB: highest supported file format is Barracuda. InnoDB: The log sequence number in ibdata files does not match InnoDB: the log...

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innodb_fast_shutdown (1 reply)

Hi, MySQL crashes frequently when the physical windows machine is being restarted. I made some investigation regarding how to avoid such crashes and found out that MySQL has issues with reporting to...

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SELECT result inconsistent with INSERT duplicate error (2 replies)

Hi! I use an InnoDb table that sometimes receives a lot of INSERTs at a time. Possibly from different Apache/PHP instances on parallel connections. Each time an instance comes to an "item" that it has...

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Table Lock Time (InnoDB) (1 reply)

Hi, I am using Mysql 5.1.47 and all the tables are INNODB in the database. One of the table has got more than 20 million records and I can see in slow queries log that it is taking huge lock time for...

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Ubdate innodb plugin break data (4 replies)

I update my sql server from MySQL 5.1.48 to MySQL 5.1.49, in Announcement "InnoDB Plugin has been upgraded to version 1.0.10." And now I lost all my data! Return back to MySQL 5.1.48, dont help. show...

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INSERT/UPDATE within transactions (autocommit=0) (3 replies)

Hello community, I hope someone will be able to help/advise. We are running MySQL 5.0.60 on a Linux machine. Programming language is PHP. QPS is usually between 800 and 1.4k. InnoDB transactions are...

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query spending lots of time in Searching rows for update (3 replies)

I have only one table in my my database which use InnoDB storage engine. Size of table is 23 millions rows approx. with database size 25 GB. Below listed update query taking very very long time ( >...

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MySQL 5.0.44 with Innodb Max memory problem :-( (3 replies)

Hello Gurus, I just inhereted a Sun 2 U Server with 2 Intel Quad Core CPU's and 16 GB of ram. Here is the problem. The machine is constantly at 99% Memory utilization and we get random row locking, we...

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dose anyone notice this topic ---> about consistent read (1 reply)

http://forums.mysql.com/read.php?22,281645,281645#msg-281645 I can re-produce that action and the same result.

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How to Index this query (1 reply)

select `id`, `a`+`b`+`c` as `def` from `table` where `a`+`b`+`c`>="1000" order by `a`+`b`+`c` desc limit 10 How can can i index a+b+c? ALTER TABLE `table` ADD INDEX ( `a` , `b` , `c` ) ; does...

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InnoDB on ramdisk (1 reply)

I realize there's been stuff about ramdisk before but haven't really found one that matches me, so I'm trying :) RHEL5.5, MySQL 5.0.77. Table data is free to go away and doesn't need to be kept across...

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how to prints information about the last detected deadlock (if any) by the...

how to Write a C/C++ console application that connects to a MySQL server (with InnoDB plugin enabled) and prints information about the last detected deadlock (if any) by the InnoDB Storage Engine.

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Disk space usage (3 replies)

My question is quite simple. When I design a schema I use what I believe to be the most appropriate data type for a given attribute. So for example if the range of values for a number is 0 to 999 I...

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Fast index in InnoDb (4 replies)

Dear All, I am using MySQL 5.1.47 and I am using all tables of InnoDB storage engine. I heard that in latest version of INNODB plugin they have added functionality of creating fast index. I can see...

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Table fragmentation (5 replies)

When running a mysqltuner script (mysqltuner.pl) it said my tables where fragmented. Optimizing them didn't work (I am using innodb so the tables got rebuild of course). I already dropped the database...

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InnoDB -Can't call commit when autocommit=true (2 replies)

Hi, In Inno DB , I got following exception Can't call commit when autocommit=true Can you please explain why this exception happens. I am using MySQL 5.1.48 GA version on windows 32bit - with default...

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large database parameters in Innodb (1 reply)

I am using Mysql 5.1.48 with Innodb plugin 1. Database size is 200 GB. Whenever I shutdown the DB and start again, it goes to crash recovery and can't start the DB anymore. Any parameter that I should...

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Copying to tmp table on disk (1 reply)

Dear All, I am using MySQL 5.1.47 (64bit) on CentOS 5.5. I have INNODB tables and one table has got more than 10 million records in it. When I query the table on the index column then I can see...

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mysqldump -u root -p < backup.sql issue (1 reply)

when i am restoring a mysql dump from a dump it give below out put and does not get restore. what will be the reason and any solution for this . backup methode mysqldump -u root -p cbi > cbi.sql...

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