Sabnzbd unrar speed is terribly slow? Read/write speeds are fine


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File size (Decently large, so, not due to burst/whatnot):-

root@Tower:~# find /mnt/user0/ -size +10G -exec du {} \;
15823418	/mnt/user0/Movies/Pirates of the Caribbean The Curse of the Black Pearl (2003).mkv

 

Read speed (Directly from array):-

root@Tower:~# dd if="/mnt/user0/Movies/Pirates of the Caribbean The Curse of the Black Pearl (2003).mkv" of=/dev/null
31615957+1 records in
31615957+1 records out
16187370211 bytes (16 GB) copied, 136.402 s, 119 MB/s

 

The read speed is what I feel is a good average, this file is located on disk1. No complaints with it.

 

Write speed (Directly to array):-

root@Tower:~# dd if=/dev/zero of="/mnt/user0/Nicks Files/DeleteMe" bs=4096 count=1000000
1000000+0 records in
1000000+0 records out
4096000000 bytes (4.1 GB) copied, 111.153 s, 36.9 MB/s
root@Tower:~# 

 

Not the best write speed, but, I'll give it the benefit of the doubt that it's due to it being written to the parity aswell.

 

Write speed (To a cache drive):-

root@Tower:~# dd if=/dev/zero of="/mnt/user/Nicks Files/DeleteMe" bs=4096 count=1000000
1000000+0 records in
1000000+0 records out
4096000000 bytes (4.1 GB) copied, 60.9781 s, 67.2 MB/s

 

On my other server with the exact same specs, I get ~ 100MB/s, but, once again, I'm not here to complain about that either, since, 67.2MB/s is a lot faster than I am getting with sabnzbd.

 

Unrar speeds with sabnzbd:-

[File] Unpacked 1 files/folders in 17 minutes 44 seconds

 

File size rared was 1.4GiB (Not sure if rounded, output from sabnzbd's history), filesize unrared was 1451053774 bytes (1.351GiB). Anyone have any idea why the unrar speed of sabnzbd is so terrible? Also, it's not all rar files that take so long, it's only about 80% of them. The other 20% work fine.

 

Oh, and, I'm also running the exact (or so I thought) same set up (hardware/software/etc) on two servers and my other one with the exact same nzb unrars in ~ 15 seconds.

 

Last but not least, I'm not posting my syslog because I don't think it's an issue related to unraid (or anything that's logged to the syslog). I've posted my sabnzbd log below:-

http://pastebin.com/QkXfhUmS

 

EDIT:- I'll also be posting this on the sabnzbd forums in a bit

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  • 2 years later...

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