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Questions tagged [slave]

281 questions
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Master not waiting for MPI_Reduce from spawn

I have a master file and a slave file and the master file is not waiting for MPI_Reduce before outputting it's result. The (4) slaves are printing out a line and passing back the number 10.0 and the Master is supposed to add them up and display the…
jsan
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Is there a command where to see which mysql databses are replicated to slaves?

We all know, that there are several keys inside the mysql config to control which databases are beeing replicated to slaves. I am wondering if there is a simple mysql command that shows me - based on the my.cnf and all other options that might be…
michabbb
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mysql replica A->B->C not replicate data

I have 3 mysql DB , each one on different server A - master database B - slave of A. on this server some of the tables have triggers that insert data to tables that are in server B and not in serever A for example : table tbl_trade is in A and B…
Gilad_T
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Redis Dual Masters temporarily during a failure and recover

We have three redis servers setup as follows: Node1: Default Redis Master & Running Redis Sentinel Software Node2: Redis Slave & Running Redis Sentinel Software Node3: Redis Slave & Running Redis Sentinel Software If I go to node1 and issue a…
Brad
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activeMQ master/slave for high availability

I am trying to use activeMQ master / slave, for high availability, but it seems we can only have pair of master/slave, say amq1M (master) and amq1S (slave), if amq1M is down, it could failover to amq1S, but can I also set amq1S as master…
user3527917
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Upgrade MySQL with Replication Master-Slave 5.0 to 5.6

I know that on the MySQL website there's much information about it and official documentation although I'm looking for a recipe on how-to upgrade MySQL. If someone could point a blog, website or a document to it will be great! Details: Linux…
Haohmaru
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XC8 pic16f876a I2C slave

How to implement the code to use the peak in slave mode?I come to you because I have not found on the web a satisfactory answer to my search. I am an experienced train principle on orders outsourced PIC16FXXX. The goal is to unload the electronic…
user3094275
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monitoring hadoop cluster with ganglia

I'm new to hadoop and trying to monitor the working of a multi node cluster using ganglia, The setup of gmond is done on all nodes and ganglia monitor only on the master.However,there are hadoop metrics graphs only for the master node and just…
user93
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Unable to execute shell script on slave with Jenkins

I am attempting to run JUnit tests on a slave via Jenkins. Configuration of the slave was successful and the master seems to recognize the slave's workspace but is unable to execute the java command via the "Execute Shell" under Build. There is no…
Jai
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jamod with Modbus Serial Slave

I'm using jamod (ModBus api) with a Beaglebone Black which runs on Android. I successfully used it for ModBus TCP Slave app. It worked like a charm. Now I'm trying to use it for Modbus serial slave app. But I am having an error. I think the problem…
MilesDyson
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Unhelpful Jenkins slave error

I have 2 Jenkins slaves that are "identical" and the first one is working fine. The second one getting this most unhelpful error: At revision 168565 FATAL: null java.lang.NullPointerException at…
M Smith
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Hibernate Search Slave setup on Tomcat 7 + ActiveMQ 5.9 + Spring 3.2

I am unable to correctly setup a slave node for Hibernate Search. I have found multiple articles on the subject and follow them, but it will not work for me. I have setup the the master successfully. Maybe a few more sets of eyes can see…
mark
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Jenkins Stop after found connection issue

I have a problem with Jenkins, I have a Job with around 30 steps calling maven. I have a slave machine running this job and the problem is that sometimes that slave machine disconnects and Jenkins stop working. My question is, is any way to say…
HellPine
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linux slave cannot checkout source , svn: E175002: Received fatal alert: bad_record_mac

environment is: jenkins 1.5.20 on RHEL 6 jenkins SSH Slaves plugin 1.2 SSH Credentials plugin 1.3 i have a user on both the master host and slave host that can successfully ssh between the two hosts and on the master there is no issue checking out…
user1800734
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MySQL slave not updating / syncing

I had a MySQL slave that was running on one server, but I needed to migrate to a new server. I shut down my slave on the original server, copied the DB over to the new server and launched MySQL. I updated the Master configuration by using Change…
Eric B.
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