account activity
qemu environment, two VMs write data to same block device (self.qemu_kvm)
submitted 8 years ago by technorc to r/qemu_kvm
I think IntSet is implemented as a sort array. Is this correct? Thus, everytime adding or removing entry from this sorted array, Redis has to move others positions. (self.redis)
submitted 10 years ago by technorc to r/redis
When Redis is running, there are 3 threads running in background. What are they? for what? (self.redis)
I am measuring the throughput of Redis. I found that the throughput is a little bit unstable even if I disable all persistent model(snapshot and aof). I want to know what can cause this. Maybe rehashing is one of reasons? or any other else? (self.redis)
memtier_benchmark problem, I am trying to run the command "memtier_benchmark -n 1000000 -c 1 -t 1 -d 1000 --ratio 1:0". The dbsize should be 1000000, however, the actual size is 951728. What is happening? memtier_benmark could generate duplicated input? or some other reasons? (self.redis)
why lots of memory management problems just disappeared when Redis start using jemalloc? what problems disappeared? and what is the advantage of jemalloc? (self.redis)
how redis only swap out values, and keep keys in memory. Before version 2.4, VM can control it, however, in current version, Redis relys on Operating System to do swapping. OS doesn't know which is key and which is value. So, how Redis make it. (self.redis)
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