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authorJakob Unterwurzacher2016-10-25 23:57:30 +0200
committerJakob Unterwurzacher2016-10-28 21:17:53 +0200
commita08d55f42d5b11e265a8617bee16babceebfd026 (patch)
tree7dd8b2717e871183b0067ad1f565419f57d34ea9 /sendusr1.go
parent9b7135224bc3596ee3bceeca83cca3a687b0e9c7 (diff)
fusefronted: optimize NFS streaming writes by saving one Stat()
Stat() calls are expensive on NFS as they need a full network round-trip. We detect when a write immediately follows the last one and skip the Stat in this case because the write cannot create a file hole. On my (slow) NAS, this takes the write speed from 24MB/s to 41MB/s.
Diffstat (limited to 'sendusr1.go')
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