iozone: 5 concurrent threads random read of 300K blocks does more ops/s than using only one thread, what could be the underlying reason?
The partition is in RAID1 using software RAID. Command line used: iozone -s 190g -r 300k -O -b test_file OPS Mode. Output is in operations per second. ...
I came across these posts about putting Redis in front of Nginx. I also noticed the Nginx HTTPRedis module. Which seem interesting from a performance standpoint, but I don't have much experience in ...
I'm a new systems and network admin. My experience has been in the hardware and software of systems and servers, the network part is pretty new to me. I'm familiar with plugging numbers into network ...
Currently I have 2 small servers in an memcached cluster. We are approaching out limits with them and need to grow. What are the pros/cons or going adding another small instance compared with having 2 ...
We have an Apache setup with a huge disk_cache (>500.000 entries, >50 GB disk space used). The cache grows by 16 GB every day. My problem is that the cache seems to be growing nearly as fast as it's ...
Do APC and Memcached cache the same data? I understand that APC caches both files and objects/variables whereas memcached is object-only, but does memcached offer anything that APC doesn't? I've ...
In a tb with 1 mil. rows if I do (after I restart the computer - so nothing it's cached): 1. SELECT price,city,state FROM tb1 WHERE zipId=13458; the result is 23rows in 0.270s after I run 'LOAD ...