no more innodb_table_stats table (5 replies)
Hello, when i'm connecting to mysql database, i do "show tables;" and i see "innodb_table_stats" table in the list. When i wants, for example, to see the content of this table ("Select ...") i get the...
View Articlemysql innodb table fragmentation reduction (no replies)
Hello, I've used mysqltuner.pl to see how I could improve my database, and it reports "[!!] Total fragmented tables: 125." I first tried to defragment the tables for optimize performances with the...
View ArticleOut of memory (Needed 526130920 bytes) (1 reply)
i am trying to import the dump.But after some tables imported mssg shwing . Out of memory (Needed 526130920 bytes).
View ArticlePower failure and innodb (no replies)
Hello, I already wrote about a problem like this, but now I restart a new topic because I'm sure this depends on power failure. I'm using innodb for an intranet web application, this computer works as...
View ArticleDatabase Crashed Can't Restart (no replies)
If I posted this in the wrong forum, I apologize and please move it to the correct location. I have a database that crashed and I am having trouble interpreting the error log to stop it from...
View ArticleWaiting for Table Metadata Lock (no replies)
I have a unique process of updating tables. Please feel free to suggest the proper way of doing so. Here is my process via script. I drop the table, create table, lock tables on write, insert into...
View ArticleDEADLOCK (2 replies)
------------------------ LATEST DETECTED DEADLOCK ------------------------ 2014-01-30 12:05:32 2b811bc3a700 *** (1) TRANSACTION: TRANSACTION 656979899, ACTIVE 0 sec fetching rows mysql tables in use...
View ArticleHyphen Issue (no replies)
I am having a difficult time getting my search to work with hyphens. I have followed the tutorial below and have restarted the mysql server. I was able to create the example below but still cannot get...
View ArticleAssertion Error - Another Database Crashing. - fts0que.cc (no replies)
I get this "assertion failure" error many times in a day. Database crashes then restarts. Any help is appreciated. ########################## 2014-02-05 08:56:24 8c6b8f000 InnoDB: Assertion failure in...
View Articleinnodb_buffer_pool_size and relationship to max_heap_table_size (no replies)
Hi, Currently I'm trying to tune innodb_buffer_pool_size. That in itself seems ok based on the guidelines provided. In the InnoDB engine, is max_heap_table_size taken into account? I have some big...
View Articlemysql corrupt (no replies)
I have mysql database using xampp in my widows system. its got currupt after power failure i have back of database before 2 days but i dont have backup of one day transactions. now i tried...
View ArticleLarge CSV Import - Lost Connection (no replies)
Hello, I am trying to import very large csv files into a MySQL database I have created. it is the TPC-H dbgen dataset with a scale of 1000. Basically I have a few tables, and the total data size...
View ArticleMySQL Deadlock Issue (2 replies)
I insert one row on table t1 (innoDB engine) and there is one trigger on after insert event. In trigger, i fetch data using select statement in same table like "SELECT * FROM t1 WHERE ID = NEW.ID". It...
View Articleinnodb configuration after zip file install (no replies)
So I installed MySQL 5.6.15 from a zip file, on window 7, and I am trying to configure Innodb using a my.ini config file. The config file is working fine until I try to start setting the Innodb...
View ArticleUpdating a column referenced by two foreign keys in the same table leads to...
I have a simple InnoDB table: CREATE TABLE `T` ( `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT, `deleted` bigint(20) unsigned NOT NULL DEFAULT '0', `other` varchar(32) DEFAULT NULL, PRIMARY KEY...
View ArticleError while retrieving data in where condition (no replies)
Hi, I had a INNODB table dcr with columns dated datetime, and cid as bigint when I am giving the command: SELECT * FROM dcr WHERE customerid=546 -- AND cbid=794 AND DATEd BETWEEN '2013-12-01' AND...
View Articledeleting data from large fragmented InnoDB table (no replies)
Hi, I have a large InnoDB table (almost 200 GB) which is fragmented. As I need two more indexed columns on this table, my idea was to create a new table, move data in parts of 1000 rows from the old...
View ArticleMysql profiler different duration (no replies)
Hi! I have a problem and no idea how to resolve it. I'm trying to use mysql profiler. I'm using the command: set profiling=1; to turn it on. Later, i execute my query which is correlated subquery with...
View ArticleMetadata Locks (no replies)
MySQL as of 5.5 has added metadata locks and the following behaviors: - The concept of an open transaction is extended so that ANY select statement execution causes a transaction to “open”. - The...
View Articleinnodb table taking huge time for insert and update (no replies)
Hi all, when i insert/update/ delete on innodb table its taking huge time and getting time out exceed.I have checked the query by explain and the query is accessing indexes.However if restart mysql...
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