Date: Fri, 1 Oct 2010 18:43:15 -0700 From: Artem Belevich <fbsdlist@src.cx> To: Dan Langille <dan@langille.org> Cc: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: zfs send/receive: is this slow? Message-ID: <AANLkTi=xnOmRXYgr8csy-tTa-GK%2B3V4Ty2ze0fruPQb4@mail.gmail.com> In-Reply-To: <4CA68BBD.6060601@langille.org> References: <a263c3beaeb0fa3acd82650775e31ee3.squirrel@nyi.unixathome.org> <45cfd27021fb93f9b0877a1596089776.squirrel@nyi.unixathome.org> <AANLkTik0aTDDSNRUBvfX5sMfhW%2B-nfSV9Q89v%2BeJo0ov@mail.gmail.com> <4C511EF8-591C-4BB9-B7AA-30D5C3DDC0FF@langille.org> <AANLkTinyHZ1r39AYrV_Wwc2H3B=xMv3vbeDLY2Gc%2Bkez@mail.gmail.com> <4CA68BBD.6060601@langille.org>
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> As soon as I opened this email I knew what it would say. > > > # time zfs send storage/bacula@transfer | mbuffer | zfs receive > storage/compressed/bacula-mbuffer > in @ =A0197 MB/s, out @ =A0205 MB/s, 1749 MB total, buffer =A0 0% full ... > Big difference. =A0:) I'm glad it helped. Does anyone know why sending/receiving stuff via loopback is so much slower compared to pipe? --Artem
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