Nope.  Many of the start times for the mysqld processes go back to June
22, when the server was last rebooted.

The backup script that runs every evening at 11:30pm does do a
mysqlhotcopy, and resets the master and slave replica servers.  This is
reflected in the creation time of the log files with data in them.

Judging from the timestamp of the zero length files, however, something
else seems to be happening between 4 and 4:30 am which creates a zero
length copy of every _bin and _index file in the log area, including the
previously created zero length copies (hence the logarithmic growth in
numbers of files - 1,3,7,15,31, etc.).

Neither 'root' or the mysql user have any crons running at that time.
Apparently SOMEONE (or something) does, however... Knowing what would
cause the file duplication will hopefully help me track it down.

 - A

-----Original Message-----
From: Victor Pendleton [mailto:[EMAIL PROTECTED] 
Sent: Monday, August 09, 2004 12:17 PM
To: Ciarochi, Anthony; '[EMAIL PROTECTED] '
Subject: RE: what is causing these XX.1.1.1.1 logs?

Are you in the process of stopping and restarting the MySQL Database
server?


-----Original Message-----
From: Ciarochi, Anthony
To: [EMAIL PROTECTED]
Sent: 8/9/04 2:13 PM
Subject: what is causing these XX.1.1.1.1 logs?

For some reason, I am getting hundreds of zero-length binary log
remnants in my log area.  Any idea what could be causing this?  Is there
any danger in deleting the logs that don't show up in 'show master
logs'?

 

show master logs output:

mysqld_bin.058

mysqld_bin.059

 

bash-2.05b# ls -altr | grep 059

-rw-rw----    1 psccats  mysql      916402 Aug  9 11:43 mysqld_bin.059

bash-2.05b# ls -altr | grep 058

-rw-rw----    1 psccats  mysql     2248499 Aug  8 23:30 mysqld_bin.058.1

-rw-rw----    1 psccats  mysql           0 Aug  9 04:20 mysqld_bin.058

bash-2.05b# ls -altr | grep .057

-rw-rw----    1 psccats  mysql     4275592 Aug  7 23:30
mysqld_bin.057.1.1

-rw-rw----    1 psccats  mysql           0 Aug  9 04:20 mysqld_bin.057.1

bash-2.05b# ls -altr | grep .056

-rw-rw----    1 psccats  mysql    11127356 Aug  5 23:30
mysqld_bin.056.1.1.1

-rw-rw----    1 psccats  mysql           0 Aug  7 04:19 mysqld_bin.056.1

-rw-rw----    1 psccats  mysql           0 Aug  9 04:20
mysqld_bin.056.1.1

bash-2.05b# ls -altr | grep .055

-rw-rw----    1 psccats  mysql    17898151 Aug  3 23:30
mysqld_bin.055.1.1.1.1

-rw-rw----    1 psccats  mysql           0 Aug  5 04:16 mysqld_bin.055.1

-rw-rw----    1 psccats  mysql           0 Aug  7 04:19
mysqld_bin.055.1.1

-rw-rw----    1 psccats  mysql           0 Aug  9 04:20
mysqld_bin.055.1.1.1

bash-2.05b# ls -altr | grep .054

-rw-rw----    1 psccats  mysql       63008 Aug  1 23:30
mysqld_bin.054.1.1.1.1

-rw-rw----    1 psccats  mysql           0 Aug  4 04:05 mysqld_bin.054.1

-rw-rw----    1 psccats  mysql           0 Aug  6 04:28
mysqld_bin.054.1.1

-rw-rw----    1 psccats  mysql           0 Aug  8 04:33
mysqld_bin.054.1.1.1

 

The pattern (in case it's not obvious):

The logs are rotated every day or two, possibly by the backup script

Every couple of days, each old log is renamed to
mysqld.bin.0XX.1[.1...], and the old name appears as a zero-length file

After several days, I have dozens and dozens of these zero length files
in my log dir (the number grows exponentially).

 

I am also getting dozens of zero-length mysql_bin_ind.index.1[.1...]
files, all with the same time stamp (~4:00-4:30, today's date).

 

Any idea what's up with that?


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