search for: 2cores

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2008 May 17
4
vcpus higher than real cpus possible?
Hello, i have just migrated machine to xen server where only 2 cpus are available. I have copied config from machine where domU was located before. That machine had 4 CPUS (QUADCORE), current machine has 2 CPUS (1 XEON 2cores). I have forgot to change vcpus from 4 to 2 in config, but .. what really surprised me ... machine started . How it is possible? It was really slow alltought and not possible for working (Windows server 2003). Thanks for reply! David _______________________________________________ Xen-users ma...
2013 Dec 18
2
[PATCH] Btrfs: improve the performance fluctuating of the fsync
...rrent fsync had already completed. Those ordered extents whose csum was being calculated didn''t belong to the current fsync, we can ignore them. By this patch, the performance fluctuating doesn''t happen, and the average performance grows up by ~2%. Test Environment: CPU: 2CPU * 2Cores Memory: 4GB Partition: 20GB(HDD) Test Command: # sysbench --num-threads=8 --test=fileio --file-num=1 \ > --file-total-size=8G --file-block-size=32768 \ > --file-io-mode=sync --file-fsync-freq=100 \ > --file-fsync-end=no --max-requests=10000 \ > --file-test-mode=rndwr run Signed-...