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The Singapore Linux Meetup Group Message Board › F5 Load Balancer and MySQL HA

F5 Load Balancer and MySQL HA

r-pan
r-pan
Singapore, SG
Post #: 25
anybody here got experiance in these two?
- F5 Load Balancer
- MySQL HA (Clustering)

Might have some lobang..... wink
A former member
Post #: 1
Hi ,

F5 Load balancer is an Network based load balancer , like ipvsadm.
what it do it can help create non enterprise application telco grade. by give high availability, but data consistancy is tricky thou.


As for MySQL HA , my company is actually the certified partner for mySQL . MySQL HA is not HA but a way grid computing as it help compute the sql querry fast and efficiently.
but at expense of RAM
Shing G.
yungsg
Singapore, SG
Post #: 1
I have a couple of F5's in an active-passive config, primarily to load balance our web server farm, and provide h/w accelerated SSL. We used LVS previously and encountered some strange problems, plus, SSL processing was a huge bottleneck. That was a couple of years ago and I'm sure LVS has improved since then. Anyway we invested in the F5's and it has (and still is) served us well. One thing about web serving performance--it's one of the easiest problems to solve: just throw some money at it and the problem goes away ;>

MySQL (or databases in general) clustering is a whole different kettle of fish. F5's would be great for reads in a db farm but the writes will be a problem. We tried the NDB backend with mysql and found it to be a bit immature at this time--very RAM intensive and performance issues aren't currently aren't being addressed yet.
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