Re: [zfs-discuss] zfs send speed

2009-08-21 Thread Ian Collins
Joseph L. Casale wrote: I have my own application that uses large circular buffers and a socket connection between hosts. The buffers keep data flowing during ZFS writes and the direct connection cuts out ssh. Application, as in not script (something you can share)? Not yet! --

Re: [zfs-discuss] zfs send speed

2009-08-20 Thread Joseph L. Casale
With Solaris 10U7 I see about 35MB/sec between Thumpers using a direct socket connection rather than ssh for full sends and 7-12MB/sec for incrementals, depending on the data set. Ian, What's the syntax you use for this procedure? ___ zfs-discuss

Re: [zfs-discuss] zfs send speed

2009-08-20 Thread Ian Collins
Joseph L. Casale wrote: With Solaris 10U7 I see about 35MB/sec between Thumpers using a direct socket connection rather than ssh for full sends and 7-12MB/sec for incrementals, depending on the data set. Ian, What's the syntax you use for this procedure? I have my own application that

Re: [zfs-discuss] zfs send speed

2009-08-20 Thread Joseph L. Casale
I have my own application that uses large circular buffers and a socket connection between hosts. The buffers keep data flowing during ZFS writes and the direct connection cuts out ssh. Application, as in not script (something you can share)? :) jlc

Re: [zfs-discuss] zfs send speed

2009-08-19 Thread Paul Kraus
Thank you for all your replies, I'm collecting my responses in one message below: On Tue, Aug 18, 2009 at 7:43 PM, Nicolas Williamsnicolas.willi...@sun.com wrote: On Tue, Aug 18, 2009 at 04:22:19PM -0400, Paul Kraus wrote:        We have a system with some large datasets (3.3 TB and about 35

Re: [zfs-discuss] zfs send speed

2009-08-19 Thread Richard Elling
On Aug 18, 2009, at 1:16 PM, Paul Kraus wrote: Is the speed of a 'zfs send' dependant on file size / number of files ? Not directly. It is dependent on the amount of changes per unit time. We have a system with some large datasets (3.3 TB and about 35 million files) and conventional

[zfs-discuss] zfs send speed

2009-08-18 Thread Paul Kraus
Posted from the wrong address the first time, sorry. Is the speed of a 'zfs send' dependant on file size / number of files ?        We have a system with some large datasets (3.3 TB and about 35 million files) and conventional backups take a long time (using Netbackup 6.5 a FULL takes between

Re: [zfs-discuss] zfs send speed

2009-08-18 Thread Joseph L. Casale
Is the speed of a 'zfs send' dependant on file size / number of files ? I am going to say no, I have *far* inferior iron that I am running a backup rig on, and doing a send/recv over ssh through gige and last night's replication gave the following: received 40.2GB stream in 3498 seconds

Re: [zfs-discuss] zfs send speed

2009-08-18 Thread Mattias Pantzare
On Tue, Aug 18, 2009 at 22:22, Paul Krauspk1...@gmail.com wrote: Posted from the wrong address the first time, sorry. Is the speed of a 'zfs send' dependant on file size / number of files ?        We have a system with some large datasets (3.3 TB and about 35 million files) and conventional

Re: [zfs-discuss] Zfs send speed. Was: User quota design discussion..

2009-05-27 Thread Jorgen Lundman
I changed to try zfs send on a UFS on zvolume as well: received 92.9GB stream in 2354 seconds (40.4MB/sec) Still fast enough to use. I have yet to get around to trying something considerably larger in size. Lund Jorgen Lundman wrote: So you recommend I also do speed test on larger

[zfs-discuss] ZFS send speed improvements in Solaris 10?

2009-05-27 Thread Ian Collins
Did the ZFS send speed improvements make it into Solaris 10 update 7? If not, are they targeted for a Solaris 10 update? Thanks, -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org

Re: [zfs-discuss] Zfs send speed. Was: User quota design discussion..

2009-05-27 Thread Dirk Wriedt
Au contraire... From what I have seen, larger file systems and large numbers of files seem to slow down zfs send/receive, worsening the problem. So it may be a good idea to partition your file system, subdividing it into smaller ones, replicating each one separately. Dirk Am Di, den

Re: [zfs-discuss] Zfs send speed. Was: User quota design discussion..

2009-05-26 Thread Dirk Wriedt
Jorgen, what is the size of the sending zfs? I thought replication speed depends on the size of the sending fs, too not only size of the snapshot being sent. Regards Dirk --On Freitag, Mai 22, 2009 19:19:34 +0900 Jorgen Lundman lund...@gmo.jp wrote: Sorry, yes. It is straight; # time

Re: [zfs-discuss] Zfs send speed. Was: User quota design discussion..

2009-05-26 Thread Jorgen Lundman
So you recommend I also do speed test on larger volumes? The test data I had on the b114 server was only 90GB. Previous tests included 500G ufs on zvol etc. It is just it will take 4 days to send it to the b114 server to start with ;) (From Sol10 servers). Lund Dirk Wriedt wrote:

Re: [zfs-discuss] Zfs send speed. Was: User quota design discussion..

2009-05-22 Thread Robert Milkowski
btw: caching data fro zfs send anf zfs recv on another side could make it even faster. you could use something like mbuffer with buffers of 1-2GB for example. On Fri, 22 May 2009, Jorgen Lundman wrote: To finally close my quest. I tested zfs send in osol-b114 version: received 82.3GB

Re: [zfs-discuss] Zfs send speed. Was: User quota design discussion..

2009-05-22 Thread Ian Collins
Brent Jones wrote: On Thu, May 21, 2009 at 10:17 PM, Jorgen Lundman lund...@gmo.jp wrote: To finally close my quest. I tested zfs send in osol-b114 version: received 82.3GB stream in 1195 seconds (70.5MB/sec) Can you give any details about your data set, what you piped zfs

Re: [zfs-discuss] Zfs send speed. Was: User quota design discussion..

2009-05-22 Thread Jorgen Lundman
Sorry, yes. It is straight; # time zfs send zpool1/leroy_c...@speedtest | nc 172.20.12.232 3001 real19m48.199s # /var/tmp/nc -l -p 3001 -vvv | time zfs recv -v zpool1/le...@speedtest received 82.3GB stream in 1195 seconds (70.5MB/sec) Sending is osol-b114. Receiver is Solaris 10 10/08

Re: [zfs-discuss] Zfs send speed. Was: User quota design discussion..

2009-05-22 Thread Eric D. Mudama
On Fri, May 22 at 11:05, Robert Milkowski wrote: btw: caching data fro zfs send anf zfs recv on another side could make it even faster. you could use something like mbuffer with buffers of 1-2GB for example. As another datapoint, the 111a opensolaris preview got me ~29MB/s through an SSH

Re: [zfs-discuss] Zfs send speed. Was: User quota design discussion..

2009-05-22 Thread Nicolas Williams
On Fri, May 22, 2009 at 04:40:43PM -0600, Eric D. Mudama wrote: As another datapoint, the 111a opensolaris preview got me ~29MB/s through an SSH tunnel with no tuning on a 40GB dataset. Sender was a Core2Duo E4500 reading from SSDs and receiver was a Xeon E5520 writing to a few mirrored

Re: [zfs-discuss] Zfs send speed. Was: User quota design discussion..

2009-05-21 Thread Jorgen Lundman
To finally close my quest. I tested zfs send in osol-b114 version: received 82.3GB stream in 1195 seconds (70.5MB/sec) Yeeaahh! That makes it completely usable! Just need to change our support contract to allow us to run b114 and we're set! :) Thanks, Lund Jorgen Lundman wrote: We

Re: [zfs-discuss] Zfs send speed. Was: User quota design discussion..

2009-04-10 Thread Vladimir Kotal
Jorgen Lundman wrote: We finally managed to upgrade the production x4500s to Sol 10 10/08 (unrelated to this) but with the hope that it would also make zfs send usable. Exactly how does build 105 translate to Solaris 10 10/08? My current There is no easy/obvious mapping of Solaris

Re: [zfs-discuss] Zfs send speed. Was: User quota design discussion..

2009-04-09 Thread Jorgen Lundman
We finally managed to upgrade the production x4500s to Sol 10 10/08 (unrelated to this) but with the hope that it would also make zfs send usable. Exactly how does build 105 translate to Solaris 10 10/08? My current speed test has sent 34Gb in 24 hours, which isn't great. Perhaps the next

[zfs-discuss] zfs send speed

2007-03-20 Thread Torrey McMahon
Howdy folks. I've a customer looking to use ZFS in a DR situation. They have a large data store where they will be taking snapshots every N minutes or so, sending the difference of the snapshot and previous snapshot with zfs send -i to a remote host, and in case of DR firing up the secondary.

Re: [zfs-discuss] zfs send speed

2007-03-20 Thread Matthew Ahrens
Torrey McMahon wrote: Howdy folks. I've a customer looking to use ZFS in a DR situation. They have a large data store where they will be taking snapshots every N minutes or so, sending the difference of the snapshot and previous snapshot with zfs send -i to a remote host, and in case of DR

Re: [zfs-discuss] zfs send speed

2007-03-20 Thread Torrey McMahon
Matthew Ahrens wrote: Torrey McMahon wrote: Howdy folks. I've a customer looking to use ZFS in a DR situation. They have a large data store where they will be taking snapshots every N minutes or so, sending the difference of the snapshot and previous snapshot with zfs send -i to a remote

Re: [zfs-discuss] zfs send speed

2007-03-20 Thread Matthew Ahrens
Torrey McMahon wrote: Matthew Ahrens wrote: I'm only doing an initial investigation now so I have no test data at this point. The reason I asked, and I should have tacked this on at the end of the last email, was a blog entry that stated zfs send was slow