473,699 Members | 2,191 Online
Bytes | Software Development & Data Engineering Community
+ Post

Home Posts Topics Members FAQ

Random Errors in Replication Binlog

Hello all,

I was wondering if someone could shed some light on this problem I'm
having. I have 3 slave MySQL servers replication from a master
machine. The master machine is running only MySQL while the slave
machines are an Apache + Tomcat + MySQL web service. All slave
machines are precisely identical. I'm running into a situation where
(seemly at random) after a month or two of consistently flawless
performance, just ONE of the slave machines will report the following
error in the .err log:

030807 9:22:35 Error in Log_event::read _log_event():
'Event too big', data_len=186942 5764,event_type =114
030807 9:22:35 Error reading relay log event: slave SQL thread
aborted because of I/O error
030807 9:22:35 Could not parse log event entry, check the master
for binlog corruption This may also be a network problem,
or just a bug in the master or slave code.
030807 9:22:35 Error running query, slave SQL thread aborted. Fix
the problem, and restart the slave SQL thread with "SLAVE START".
We stopped at log 'oakpub-bin.002' position 25239274

However the other two slaves are up-to-date on replication with no error
messages and mysqlbinlog output shows no obvious malformed statements.
This problem is not specific to just one machine but has happened on
all 3 slave nodes in the past few months. Trying to restart the slave
process results in the same error. Manually performing the statement
in the binlog works fine and then the slave can be played forward to
the current master logfile location with no problems. I've also tried
deleting the entire database on the slave and recreating everything
with LOAD DATA FROM MASTER and that goes smoothly as well.

I cannot reproduce this behavior as it's intermittent. Any thoughts?


Jason McCormick
Network & Systems Administrator - Lexi-Comp, Inc.
ja************* @lexi.com - 330.656.0239
MySQL General Mailing List
For list archives: http://lists.mysql.com/mysql
To unsubscribe: http://lists.mysql.com/my***********...ie.nctu.edu.tw

Jul 19 '05 #1
0 1619

This thread has been closed and replies have been disabled. Please start a new discussion.

Similar topics

by: Ganbold | last post by:
Hi, I'm using MySQL 4.0.13 for both master and slave servers. However I have problem starting slave server. Error log says: 030804 14:06:10 Slave I/O thread: connected to master 'repl@202.xxx.xxx.xxx:3306', replication started in log 'backend2-bin.228' at position 43583528 030804 14:11:48 Slave I/O thread exiting, read up to log 'backend2-bin.228', position 64018330
by: John Yasaitis | last post by:
I seem to have replication set up correctly to only replicate one database named vmail.* Except when I try to update a table in vmail.* the changes do not replicate to the slave. Authentication works fine. Binary logging (log-bin) is enabled on both. I have a feeling about one thing that might be wrong - "Binlog_do_db" on the master server is empty when it should be "vmail".
by: Jason McCormick | last post by:
Hello all, I was wondering if someone could shed some light on this problem I'm having. I have 3 slave MySQL servers replication from a master machine. The master machine is running only MySQL while the slave machines are an Apache + Tomcat + MySQL web service. All slave machines are precisely identical. I'm running into a situation where (seemly at random) after a month or two of consistently flawless performance, just ONE of the...
by: Lukas Bradley | last post by:
It appears as if my master is not logging changes to any databases. When I use mysqlbinlog against the current (and previous) logs, I get the following: dollars@nat451:/var/log/mysql$ mysqlbinlog mysql-bin.003 # at 4 #031201 18:57:25 server id 154 Start: binlog v 4, server v created 691231 19:00:00 dollars@nat451:/var/log/mysql$ mysqlbinlog mysql-bin.004 # at 4
by: cjackson | last post by:
I'm having an odd problem while setting up one-way replication between 2 MySQL servers. The setup process seemed to go well, and when I examine everything, like processlists on both servers and the master and slave statuses, it all seems to be working fine. Whenever I make an update to the master database, the binlog gets updated on both the master and the slave. The relay log on the slave also seems to record the change. The only problem...
by: Ilja Booij | last post by:
Hi all, I have set up master/slave replication between 2 servers (1 master, 1 slave). However, when I change a table on the master (e.g. by inserting a row), the same table on the slave is not updated. The strange thing is that if I enter SHOW SLAVE STATUS on the client, it gives me the same offset in the binary log on the master as the master gives when issuing SHOW MASTER STATUS (both entered after the update). I'm trying to...
by: Sander Smeenk | last post by:
Hello! I'm trying to set up replication between two servers and even though I did everything according to the documentation, the slave keeps failing to connect to the master like this: | 050119 0:23:43 Slave SQL thread initialized, starting replication in | log 'zwart-bin.001' at position 79, relay log './blauw-relay-bin.001' | position: 4 | 050119 0:23:43 Slave I/O thread: error connecting to master
by: k.tragant | last post by:
Hello list, I'm in the phase of upgrading mysql from 3.23(.58) to 4.0(.23). I have some replication setups. Following the manual, the upgrade process went very smooth. Now I have some problems with checking replication automatically. For 3.23 I wrote a shell script, that looks on the master for the Binlog Dump Processes in "show processlist;". That worked perfectly. If the replication was disrupted, the respective process was gone...
by: muldoon | last post by:
I'm having quite a fuss with my two MySQL DB servers lately. I'm trying to establish replication between a MySQL 4.0.20 server (master) and a MySQL 4.1.11 server (slave). From what I read, replication from a 4.0.x server -> 4.1.x server will work, just not the other way around. However, that's not really my problem. After unsuccessfully completing the configuration myself, I used http://forums.gentoo.org/viewtopic.php?t=241123 as a...
by: webhosting | last post by:
After a failure, we promoted a slave to master. This included renaming the server to the old master's name and ip address, but leaving the server id alone. The new master works fine. We repaired the old server, gave it a different name and ip address but leaving the server id the same. I get the following error on the slave:
by: marktang | last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look ! Part I. Meaning of...
by: Hystou | last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it. First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
by: Oralloy | last post by:
Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed. This is as boiled down as I can make it. Here is my compilation command: g++-12 -std=c++20 -Wnarrowing bit_field.cpp Here is the code in...
by: jinu1996 | last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth. The Art of Business Website Design Your website is...
by: tracyyun | last post by:
Dear forum friends, With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
by: agi2029 | last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own.... Now, this would greatly impact the work of software developers. The idea...
by: adsilva | last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
by: 6302768590 | last post by:
Hai team i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
by: bsmnconsultancy | last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...

By using Bytes.com and it's services, you agree to our Privacy Policy and Terms of Use.

To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page.