A master/slave protocol involves one dominant participant (the master) controlling communication with one or more other participants (slaves). Prefer to tag the specific protocol, such as "i2c". For master/slave database replication, prefer "replication".
Questions tagged [master-slave]
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How to do 'if else' judgement in SQLAlchemy RoutingSession.get_bind when using with_lockmode(master query)
I want to get a row from mysql database, then modiy some fields and commit. Before I commit, updating this row shoud be forbidden. so I use with_lockmode('update'). I use the
following RoutingSession and I find it use Slave to do this query. But I…
Tallmad
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MySQL master-slave after crash
Here's the scenario:
I have one MySQL Master and 1 slave.
master-slave replication is set and works perfectly.
The slave machine crashes.
The master machine is still up and running.
Nothing changes in the master DB.
I start the slave machine…
tamirko
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Jenkins Master/Slave Network I/O
We are using Jenkins on a single machine - and as the builds were getting slow - I looked around for options (installing it on newer hardware / adding slaves). As many forums were suggesting the master/slave architecture for scalability - I decided…
Sekhar
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with shared storage, how is the waiting mechanism for slave broker?
With NFS as the shared storage, deployment of Master/slave is as following:
when starting, Broker1 first grab the lock in NFS, and Broker2 shows log info as following:
2012-08-27 11:38:36,245 | INFO | Database /usr/local/wxcTest/mnt/amqDir/lock…
rmn190
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how to get mysql server to stop starting as slave
I have a an ubuntu we server running mysql 5.1. Previously I had this server set up as a slave for replication. Now I and switching rolls for this server and I do not need it to be a slave anymore. The problem is that right now, every time the…
jeffery_the_wind
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leader selection
I have x machines and I want to select 1 to do a particular job (primary machine). I have a database which is the only shared resource these machines have and there is no inter machine communication mechanism.
In order to select a machine, I'm…
Sam
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Read mysql table that grow continuously
I have a mysql table that already have 1 million records and will grow continuously.
But this table is read heavy and slow performance.
I want to speed it up.
I know mysql sharding, partition and master/slave solution.
But it unable to fullfil my…
Magic
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Mysql replication is not working
I'm using mysql 5.22 version for master and slave replication. when I execute the show slave status command it's showing slave_io_state as connecting. how to solve this problem.
Please help me the same.
Regards,
Yasar
Yasar Arafath
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SVN master-slave configuration on apache Testing
I have two svn (master-slave configuration) setup already on apache2.2. I need to test this setup in different scenarios such as network failure.
Are there any important test cases I must consider.
What points should I keep in mind while…
Chaturvedi Dewashish
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Data Structure for implementing a registry of jobs, distributed to slave VM's
BACKGROUND INFORMATION:
I have a distributed application based on Master/Slave pattern.
The master periodically receives a JSON file which is of following format
[{'key' : 'a_hashed_unique_key', 'partner_name' : 'name1'}]
I aggregate and write all…
Anupam Saini
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Receive error when trying to connect to mongo from iReport 4.5.1
I am trying to create a report using the mongo connector on iReport designer 4.5.1 (jasper). when i create the connection and test it, it says Test successful and gives me the database that i connected to in mongo.
The issue happens when i try to…
user1486984
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How to tell if reads are being redirect to MySQL slave on Rails3
[update] May be my use (or misuse) of the seamless_database_pool gem.
I just setup a master/slave setup on Rails3 using seamless_database_pool. Does this mean that the reads are definitely NOT being redirected to the slave?
How can I check this at…
user99168
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spring Ibatis Mysql ReplicationDriver
i had use the spring3.1 ibatis2.x and mysql5.5.
then i wanna use the replication driver .
my code is:
zt9788
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"get_bind" method was called twice in sqlalchemy when using RoutingSession
I am using master/slave of sqlalchemy, by RoutingSession like
engines = {
'master':create_engine("sqlite:///master.db"),
'other':create_engine("sqlite:///other.db"),
'slave1':create_engine("sqlite:///slave1.db"),
…
Tallmad
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ActiveMQ High Availability dynamic slave configurations
I am quite new to ActiveMQ. I am trying to have High Availability feature implemented.
And all I noticed in ActiveMQ is that if I have to specify the failover url, I have to specify that in code like,
String url =…
Aryan
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