Re: LRU lock per slab class

2014-08-04 Thread Byung-chul Hong
Thanks for the answer. 2014년 8월 4일 월요일 오후 2시 34분 10초 UTC+9, Dormando 님의 말: Hello Dormando, Thanks for the answer. The LRU fiddling only happens once a minute per item, so hot items don't affect the lock as much. The more you lean toward hot items the better it scales as-is. =

Memcached instance and thread configuration parameters

2014-08-04 Thread Claudio Santana
I have this Memcached cluster where 3 instances of Memcached run in a single server. These servers have 24 cores, each instance is configured to have 8 threads each. Each individual instance serves have about 5000G gets/sets a day and about 3k current connections. What would be better?

Re: Memcached instance and thread configuration parameters

2014-08-04 Thread dormando
On Mon, 4 Aug 2014, Claudio Santana wrote: I have this Memcached cluster where 3 instances of Memcached run in a single server. These servers have 24 cores, each instance is configured to have 8 threads each. Each individual instance serves  have about 5000G gets/sets a day and about 3k

Re: Memcached instance and thread configuration parameters

2014-08-04 Thread Claudio Santana
I don't have exact metrics per second but per minute 1.1 million sets and 1.8 million gets which translates to On Mon, Aug 4, 2014 at 6:22 PM, dormando dorma...@rydia.net wrote: On Mon, 4 Aug 2014, Claudio Santana wrote: I have this Memcached cluster where 3 instances of Memcached run in a

Re: Memcached instance and thread configuration parameters

2014-08-04 Thread Claudio Santana
Dormando, thanks for the quick response. Sorry for the confusion, I don't have exact metrics per second but per minute 1.12 million sets and 1.8 million gets which translates to 18,666 sets per minute and 30,000 gets per second. These stats are per Memcached instance which I currently run 3 on

Re: Memcached instance and thread configuration parameters

2014-08-04 Thread dormando
You could run one instance with one thread and serve all of that just fine. have you actually looked at graphs of the CPU usage of the host? memcached should be practically idle with load that low. One with -t 6 or -t 8 would do it just fine. On Mon, 4 Aug 2014, Claudio Santana wrote:

memcached local vs AWS ElasticCache (memcached)

2014-08-04 Thread prasad . kamath
Can someone in this group point me to the comparison for failover support provided in the below 2 cases : 1. Running a memcached server on a local machine with spymemcached client . 2. Running a AWS memcached server and accessing it on EC2 instance with spymemcached client . Also please let