topic Re: Peak time latency spikes in Community Announcements

Peak time latency spikes

Chris — Wed, 23 Jan 2013 13:40:06 GMT

Some of you will be aware that we've been seeing some latency spikes and performance problems for a couple of hours in the evening over the past week. These issues are centered around those customers that are connected on the gateways that start with PCL, you can see which gateway you're connected to here: http://usertools.plus.net/@gateway
We've been working with our hardware vendors to diagnose and resolve this problem and have been gathering data over recent days to help get to the bottom of the issue and resolve it once and for all.
If you do experience a spike in your latency, or start to see sluggish browsing or streaming problems and are connected to a PCL gateway then we'd suggest logging in to your router, disconnect and reconnecting until you are on a gateway that doesn't start with PCL.

Re: Peak time latency spikes

Kelly — Thu, 24 Jan 2013 17:59:13 GMT

Hi guys,
Quick update for you. We'll be running a debug session tonight to gather a bit more information. It will affect customers on PCL-AG01 and PCL-AG02 but shouldn't be apparent for more than 30 minutes. Symptoms of this will be the latency spikes and slower than normal speeds you've been seeing over the last week.
If you are affected, feel free to disconnect and reconnect to connect to a different gateway.

Re: Peak time latency spikes

Blim — Sat, 26 Jan 2013 13:37:04 GMT

Thanks guys

Re: Peak time latency spikes

St3 — Sat, 26 Jan 2013 16:40:21 GMT

ive just had pings of 300 again and had to jump gatewys. Im on ptw-ag04 now and pings have gone back to normal ill see how this goes.

Re: Peak time latency spikes

Oxslow — Tue, 29 Jan 2013 21:35:05 GMT

I am on ptw-ag01 my ping 160ms+ where it is normally 30ms. I am going to try to reconnect the router.

Re: Peak time latency spikes

Kelly — Tue, 29 Jan 2013 22:10:35 GMT

Yep. We've got the problem again tonight. Disconnect and reconnect to try and get off the affected gateways.

Re: Peak time latency spikes

shuffle — Tue, 29 Jan 2013 22:11:26 GMT

Quote from: Oxslow
I am on ptw-ag01 my ping 160ms+ where it is normally 30ms. I am going to try to reconnect the router.

Exactly the same for me, I upgraded from Unlimited from Value fibre and dropped the Pro Add on so, I hope its not because of that.

Re: Peak time latency spikes

Kelly — Tue, 29 Jan 2013 22:13:20 GMT

No, not to do with that. It's a general issue.

Re: Peak time latency spikes

shuffle — Tue, 29 Jan 2013 22:14:31 GMT

ok thanks Kelly.
yes pings around 150 at the mo, normally its 30

Re: Peak time latency spikes

Anotherone — Tue, 29 Jan 2013 22:34:44 GMT

Ouch, just done a few cmd prompt pings
Pinging ntp.plus.net [212.159.6.10] with 32 bytes of data:
Reply from 212.159.6.10: bytes=32 time=141ms TTL=246
Reply from 212.159.6.10: bytes=32 time=155ms TTL=246
Reply from 212.159.6.10: bytes=32 time=154ms TTL=246
Reply from 212.159.6.10: bytes=32 time=157ms TTL=246
Ping statistics for 212.159.6.10:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 141ms, Maximum = 157ms, Average = 151ms
Normally circa 39/40mS on pcl-ag04 (20CN).

Re: Peak time latency spikes

shuffle — Tue, 29 Jan 2013 22:43:37 GMT

I just logged into router as recommended by someone on this forums, disconnected, then reconnect, lower ping now.

Re: Peak time latency spikes

MsDizzie — Tue, 29 Jan 2013 22:59:51 GMT

Kelly I know you are working on PCL-AG01 and PCL-AG02 this evening, but Chris did mention PCL as a whole (I'm currently on PCL-AG07 [21CN]), and the ping graphs have looked very similar over the last 2 nights
Monday:

Tuesday:

Re: Peak time latency spikes

spraxyt — Tue, 29 Jan 2013 23:02:00 GMT

On pcl-ag07 (21CN), outgoing pings are normal
Ping statistics for 212.159.6.9:
Packets: Sent = 25, Received = 25, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 29ms, Maximum = 34ms, Average = 30ms
but the ping monitor (incoming) shows minimum 30ms, average around 35ms, peak 60ms, very similar to MsDizzie.

Re: Peak time latency spikes

Kelly — Tue, 29 Jan 2013 23:03:32 GMT

I believe those small lifts you are seeing are due to more general business because of the iOS update release and because we are lighting some more bandwidth next week.

Re: Peak time latency spikes

Anotherone — Tue, 29 Jan 2013 23:05:02 GMT

Seems pretty much back to normal here at the moment, pcl-ag04 20CN
Pinging ntp.plus.net [212.159.6.10] with 32 bytes of data:
Reply from 212.159.6.10: bytes=32 time=39ms TTL=246
Reply from 212.159.6.10: bytes=32 time=40ms TTL=246
Reply from 212.159.6.10: bytes=32 time=38ms TTL=246
Reply from 212.159.6.10: bytes=32 time=38ms TTL=246
Ping statistics for 212.159.6.10:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 38ms, Maximum = 40ms, Average = 38ms

Re: Peak time latency spikes

Gus — Tue, 29 Jan 2013 23:10:40 GMT

It is also affecting ptn-ag02 tonight, I had it from 8.30pm to about 10pm and a few others show the same issue on the graphs http://community.plus.net/ping-graphs/

Re: Peak time latency spikes

w23 — Tue, 29 Jan 2013 23:30:45 GMT

My ping graph looks quite nasty from 8:30 to 10:30pm but I wasn't really doing anything on the PC and the kids haven't complained so can't say if there was any real effect - I guess my son wasn't gaming at that time (on PCL-AG04 for reference, Fibre Unlimited)
Back to normal now anyway:
Pinging bbc.co.uk [212.58.241.131] with 32 bytes of data:
Reply from 212.58.241.131: bytes=32 time=15ms TTL=244
Reply from 212.58.241.131: bytes=32 time=15ms TTL=244
Reply from 212.58.241.131: bytes=32 time=14ms TTL=244
Reply from 212.58.241.131: bytes=32 time=14ms TTL=244

Re: Peak time latency spikes

MsDizzie — Tue, 29 Jan 2013 23:36:10 GMT

With the on-going latency issue, its a shame that the ping-ers (people who are allowing their graphs to be displayed/monitored live) aren't spread across the servers, so that users can easily see which server is being affected by this problem.
Then again... shouldn't this be something that Plusnet could do, instead of relying on the good members of the Plusnet community to do this for them? (just a thought )

Re: Peak time latency spikes

daelis — Wed, 30 Jan 2013 00:18:00 GMT

I saw incredibly high ping times this evening too, I'm currently on ptw-ag02.
http://www.thinkbroadband.com/ping/share-large/1c9c93caa9903e701e1360ec0f8eea18.png
(Ignore the packet drops, that's my router..err...rebooting..)
-Soen

Re: Peak time latency spikes

Razer — Wed, 30 Jan 2013 09:04:28 GMT

At least I know I wasn't the only one having such a bad time last night.