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2answers
1k views

Heavy write to Galera cluster - table locked, cluster practically unusable

I set up Galera Cluster on 3 nodes. It works perfectly for reading data. I have done simple application to make some test on the cluster. Unfortunately I have to say that the Cluster fails totally ...
2
votes
1answer
66 views

apache mpm_worker server failed to respond

I'm trying to update our current Apache 2.4.9 configuration from using prefork to worker mpm. I'm doing some simple load testing using jmeter to compare the performance between the 2. My first test is ...
1
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1answer
72 views

Throttling a user across multiple datacenters

I'm trying to implement a throttling feature on nginx, that is shared across multiple servers across multiple datacenters. I would like to know what would be the best practice for building this. For ...
0
votes
1answer
46 views

Server is not responding when single connection is blocked

I'm not sure how to properly specify this problem, I'm not really a server expert. I will be glad to provide additional data on demand. I have a PHP web-application running on Ubuntu Server with ...
0
votes
1answer
591 views

Server's maxconn parameter in haproxy

I'm using HAProxy in production to balance queries to a series of server instances that can only process 1 query at a time (by our own decision). Knowing that I set the maxconn parameter in the server ...
0
votes
1answer
289 views

iSCSI and NFS file locking and concurrency

I've got a linux host that need to mount a data share located on a NAS. The choice is between NFS v3 (NAS limitation) and iSCSI. The initial idea was to have a NFS mount to the file server that ...
1
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0answers
147 views

Fail with ab test with nginx, two workers and 1024 connections?

I'm doing some tests with nginx 1.4.1 and Node.js 0.10.5 on my development machine (P8700 Dual Core 2.53Ghz, 4Gb RAM running Xubuntu x64). Unfortunately I can't do ab with 100000 requests with a ...
1
vote
0answers
610 views

tomcat max number of threads

I have a very confusing scenario.. We are using tomcat6 to host an internal application. In server.xml file maxthreads attributes is set to 150 but if I log on to the manager, in "http-8080" section I ...
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0answers
156 views

xmpp openfire connection manager not working

I have downloaded the connection manager here .In windows I have extracted it to program files in C drive and edit the conf/manager.xml to set domain and password. I also enabled connection manager in ...