[CentOS] htdocs on NFS share / any pitfalls?
Les Mikesell
lesmikesell at gmail.comThu Oct 24 15:43:03 UTC 2013
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On Thu, Oct 24, 2013 at 5:15 AM, Leon Fauster <leonfauster at googlemail.com> wrote: >> >> What kind of throughput and latency are you talking about here? NFS >> shouldn't add that much overhead to reads compared to disk head >> latency and if you enable client caching might be considerably >> faster. If you are writing over NFS you don't get the same options, >> though and sync mounts are going to be slow. > > > > bonded (just for failover) interface with speed: 1000Mb/s duplex: Full > > ping gives me a round-trip echo packet with ~ 0.139 ms > > writes ~ 57,9 MB/s (dd test) > reads ~ 59,7 MB/s (uncached), 3,9 GB/s (cached) (dd test) How do those compare to the native disk speed on your NFS server (if it is a host where you can access the disks locally)? And does the dd speed improve it you use a very large block size? -- Les Mikesell lesmikesell at gmail.com
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