Performance issues with NFS shares since 2219

An update of DSM 4.0 that includes: Enhanced Samba protocol security, notification event for UPS safe mode, USB Copy with iPhone, and stability of AFP file protocol.

Performance issues with NFS shares since 2219

Postby alfred » Fri Apr 27, 2012 7:07 pm

Hi,

since I upgraded to 2219, my NFS share with TV recordings which is accessed by a streaming box suffers from severe performance issues. Whereas it had never before been difficult to stream even high quality movies, they are now stuttering.

I first checked my WiFi, but the signal is strong as ever. I also remember that I've had exactly these symptoms twice already after installing DSM betas (and then I don't complain). Both times this bug was resolved when in the stable versions. Unfortunately I cannot remember which betas were affected.

Is there anyone else suffering from low NFS performance? Is this a known bug? Is there an easy way to downgrade?

Any feedback is appreciated!
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Re: Performance issues with NFS shares since 2219

Postby eenderle » Sat Apr 28, 2012 2:26 am

You are not alone, prior to this release i was able to stream videos on the DS509+ and DS1511+ units we have without delay or pause, now we are seeing delays, pauses, and even disconnections, if i knew this was going to be the result of upgrading, i would have never upgraded, i am now wishing i could downgrade back to what i had before...


Eric.
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Re: Performance issues with NFS shares since 2219

Postby alfred » Sun Apr 29, 2012 8:29 am

Hi eenderle,

good to know I'm not alone. I think I'll open a support ticket next week, maybe you could do that too. Hopefully everything will be back to normal in the next build...

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Re: Performance issues with NFS shares since 2219

Postby microkid » Thu May 03, 2012 7:05 pm

Well, I have a DS1010 with an NFS share for some VMware machines and have no performance problem at all since the upgrade to 2219. Everything still runs fine and smooth.
DS1010+ | 3 x WD RED 3TB in SHR | DSM 4.2-3202
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Re: Performance issues with NFS shares since 2219

Postby EAJ » Sat May 05, 2012 3:58 pm

I haved noticed file access perfromance issues as well with the DS211 and DS411 since upgrading to 2219.

Accesing Quicken files on the NAS takes up to 3 times longer (45 secs to 145 seconds) since the 2219 update.

Synology - Please fix urgently or at least give users a way tpo fallback to the last version that worked.
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Re: Performance issues with NFS shares since 2219

Postby keepitwarm » Mon May 07, 2012 2:57 am

Anyone logged a support ticket for this?

My DS1511+ has halved its transfer rate High 60 mb/s to high 20 mb/s, since the update, VIA AFP and FTP, assuming SMB also, and i see another guys yesterday said he was having issues via SMB going from 40 - 1mb/s
...............................

DS1511+
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Re: Performance issues with NFS shares since 2219

Postby mbryanr » Thu May 17, 2012 3:44 pm

I filed one...but they decided it was my network... :(
Model: DS210j, FW: Always the latest Drives: Samsung F2 154UI,Raid 1; HP Procure 1410; WDTV Live and Boxee Box; Asus RT-N56U
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Re: Performance issues with NFS shares since 2219

Postby jelzein » Mon Jun 04, 2012 8:06 pm

My NFS service has sucked since upgrading...i'm at 2228 now and still no luck. I'm using my DS1511+ with VMware -- had to change back to iSCSI datastores as a work-around. PLEASE FIX!!!
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Re: Performance issues with NFS shares since 2219

Postby antoiney » Wed Jun 06, 2012 3:39 am

jelzein wrote:My NFS service has sucked since upgrading...i'm at 2228 now and still no luck. I'm using my DS1511+ with VMware -- had to change back to iSCSI datastores as a work-around. PLEASE FIX!!!


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Re: Performance issues with NFS shares since 2219

Postby jelzein » Fri Jun 08, 2012 3:48 pm

Honestly...i was discouraged from opening a support request after reading several other posts. I didn't need someone telling me it's a network issue.

I have downgraded back to DSM3.2 and all is well...seeing 120+ MBps again.
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