0
votes
0answers
151 views

MySQL 5.1 replication broken after crash, duplicate key error, why? No redo log corruption

What do you think is the reason for the duplicated key errors in our MySQL 5.1.61 replication slave, after the slave machine crashed? It's not corrupted redo logs. Details follows: We have ...
0
votes
1answer
29 views

MySQL warm up time after restart because of lost connection

MySQL 5.6.10 on Windows 7. I'm cleaning up and paring down a large INNODB table. Its .ibd file is originally 22 gigs. While I was in the middle of an ALTER, dropping some columns, the mysqld.exe ...
0
votes
1answer
358 views

My database keeps crashing on startup how can i repair it without it running?

I've got some problems with my database. I hope somebody can help me out. Problem: The database keeps crashing on startup. In my log i see a couple off these errors: [ERROR] /usr/libexec/mysqld: ...
1
vote
0answers
431 views

Analyzing MySQL crash due to corrupt InnoDB page. Failed page checksum

Lately we have been pestered by infrequent sporadic database crashes on one of our MySQL instances. Each time it is due to a failed page checksum. It happens on a specific database but spans multiple ...
0
votes
0answers
2k views

MySQL crashes randomly with “Database was not shut down normally” message in log

I am having an issue where, for no apparent reason, my MySQL server crashes and has to restart. Essentially, the error log has entries like this: 131128 12:16:35 mysqld_safe Number of processes ...
1
vote
0answers
55 views

Configuring MySQL for Power Failure

I have absolutely no experience with databases and MySql. Now the problem is I have an embedded device running a MySQL database with a web based application. The problem is when I shutdown my embedded ...
0
votes
0answers
65 views

InnoDB data back in 3 months after OS shutdown

I've got an interesting issue last week that after shutting down an instance of mine, all data were back in 3 months (like a big rollback), even though there is no sign of crashing, recovery crash ...
0
votes
0answers
711 views

MySQL installation broken after Windows crash - how to repair MySQL and recover data?

recently my PC powered off abruptly for no apparent reason, leaving my Windows 7 installation severly damaged. I can still log onto the machine, but tons of Windows system files have been corrupted ...
0
votes
0answers
104 views

MySQL server crashed. [closed]

Help! I managed to crash MySQL last night. I am on a Mac using the native version that came with Mountain Lion. I was upgrading from 5.5 to 5.6. I have followed instructions in this forum to delete ...
1
vote
0answers
158 views

Database instance keeps restarting

From the past few days, our MySQL database instance has crashed and had to be restarted a few times. My MySQL version is 5.1.57-log. The CPU and memory usage was way below 50% during the crash time. I ...
6
votes
1answer
3k views

MySQL INNODB corruption after server crash during concurrent truncate command

My server crashed today I think due to a concurrent truncate table command on one of our INNODB tables. The server could be restarted, but after it starts up, everytime I try to issue an SQL command, ...
2
votes
1answer
980 views

MySQL 5.5 : (InnoDB) - Manually edited an .ibd file to test recovery, now entire MySQL installation is broken!

So I wanted to test MySQL recovery from Innodb corruption. file-per-table is enabled. I have a few test db's on the MySQL instance. I shutdown mysql. Manually edited/added random characters to an ...
3
votes
1answer
2k views

Innodb, MySQL 5.5.28 - Segmentation Signal 11 faults, on high load. .. my.cnf file included

We have a high-end server, 128GB RAM, 32 Core , Xeon, SSD RAID 10 - running Ubuntu 12.04 with MySQL 5.5.28 . Doing random imports to large InnoDB tables, over 50+ gigs, randomly after a few hours of ...
3
votes
1answer
3k views

mysql.proc keeps crashing, cannot do a mysqldump?

Due to some problems with InnoDB, I'm going to dump all databases to a new server: mysqldump -E -R --all-databases | pv -b | mysql -u root -p -h new.server The dump process stopped with ...
17
votes
1answer
17k views

intermittent MySQL crashes with error “Fatal error: cannot allocate memory for the buffer pool”

Added on edit, 2013-05-29: Because this is a long question and discussion, here's a short summary of the question and the solution. I had problems running MySQL and Apache on a small Linux server (1 ...
11
votes
3answers
5k views

MySQL InnoDB crash post-mortem

MySQL crashed on me this morning. With the exception of the standard MySQL included databases everything I use is InnoDB. I attempted to restart the MySQL daemon but it failed twice. I then ...