Server is slow in WHM and cPanel and E-mail Sending is Slow.

Category: Server Usage

eubanksto
Asked:
2013-11-21 3:44 pm EST

Hits: 1,693
I just migrated from HostGator and I'm noticing that it's taking on average 40 seconds to send emails with emails tied to my new VPS server. Also, when I'm logged into WHM or cPanel, it takes between 5 - 20 seconds just to navigate around. Like if I click, "Edit DNS Zone" in WHM, or "E-mail Authentication" in cPanel or anything, it takes a LONG time to load. I checked the server status and it's using 50% of it's memory and 0.2 of it's CPUs. What's going on with this? I had cPanel and WHM from HostGator and it was nothing like this. It responded at about the rate that any other website responded at. The websites tied to the server seem to load quickly, but the backend and the email are slow as molasses! I submitted a ping and trace route to support today but I'm not sure if I should post that in here.

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JacobIMH
Staff
9,968 Points
2013-11-21 4:50 pm EST
Hello eubanksto,

Sorry to hear you're having some issues with the sluggishness on your VPS. Typically if your VPS isn't showing a lot of usage, and it seems to be responding slow, this could be due to network congestion between yourself and the location of the server.

I took a look at your account notes, and don't see mention of a ping and traceroute test being supplied. You can publicly display that information here as well, as it shouldn't contain and private information if you remove your domain name from it.

This can help us determine if possibly it's your connection to the data center where you VPS is hosted that is causing the issue. I see that currently your VPS is housed in our West Coast data center in Los Angeles, CA, if you live on the East Coast this could be introducing the extra latency you're experiencing.

You can read more about our max speed zones and at the bottom of that page also test your file download speed from the two data centers.

If you're getting a faster download from the East Coast, then I'd recommend that you submit a ticket and have our system administration team move your VPS to that coast for you.

Please let us know if you had any further questions at all.

- Jacob

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Todd-Eubankss-Mac-Pro:dev ToddEubanks$ ping BLANKED OUT
PING BLANKED OUT (192.249.114.167): 56 data bytes
64 bytes from 192.249.114.167: icmp_seq=0 ttl=54 time=92.629 ms
64 bytes from 192.249.114.167: icmp_seq=1 ttl=54 time=96.562 ms
64 bytes from 192.249.114.167: icmp_seq=2 ttl=54 time=95.487 ms
64 bytes from 192.249.114.167: icmp_seq=3 ttl=54 time=95.894 ms
^C
--- BLANKED OUT ping statistics ---
5 packets transmitted, 4 packets received, 20.0% packet loss
round-trip min/avg/max/stddev = 92.629/95.143/96.562/1.501 ms
Todd-Eubankss-Mac-Pro:dev ToddEubanks$ traceroute BLANKED OUT
traceroute to BLANKED OUT (192.249.114.167), 64 hops max, 52 byte packets
1 olp-67-217-144-1.olp.net (67.217.144.1) 31.856 ms 26.267 ms 33.317 ms
2 olp-67-217-152-177.olp.net (67.217.152.177) 29.936 ms 39.949 ms 29.907 ms
3 olp-67-217-150-202.olp.net (67.217.150.202) 29.024 ms 29.768 ms 27.730 ms
4 vlan3823.car1.dallas1.level3.net (4.59.113.73) 61.142 ms 64.688 ms 138.418 ms
5 vlan60.csw1.dallas1.level3.net (4.69.145.62) 91.549 ms 92.843 ms 92.209 ms
6 ae-63-63.ebr3.dallas1.level3.net (4.69.151.134) 94.414 ms 94.661 ms 95.173 ms
7 ae-3-3.ebr2.losangeles1.level3.net (4.69.132.77) 94.762 ms 94.689 ms 95.061 ms
8 ae-62-62.csw1.losangeles1.level3.net (4.69.137.18) 94.806 ms
ae-72-72.csw2.losangeles1.level3.net (4.69.137.22) 94.656 ms
ae-82-82.csw3.losangeles1.level3.net (4.69.137.26) 94.524 ms
9 ae-2-70.edge3.losangeles1.level3.net (4.69.144.73) 92.051 ms 95.252 ms
ae-4-90.edge3.losangeles1.level3.net (4.69.144.201) 92.258 ms
10 cr1.lax1.us.packetexchange.net (4.71.136.2) 94.266 ms 92.222 ms 97.380 ms
11 198.46.92.1 (198.46.92.1) 94.999 ms 91.040 ms 98.492 ms
12 vp107.inmotionhosting.com (192.145.239.72) 99.868 ms 96.131 ms 99.562 ms
13 vps12119.inmotionhosting.com (192.249.114.167) 100.079 ms 98.647 ms 99.276 ms
Todd-Eubankss-Mac-Pro:dev ToddEubanks$

It looks like the download speeds are about 750kbp/s on the west coast and 775kbp/s on the east coast. These are both pretty good speeds.
eubanksto
17 Points
2013-11-21 5:53 pm EST
The other one was pasted from this morning. This is one from just now.
Ping has started…

PING BLANKED OUT (192.249.114.167): 56 data bytes
64 bytes from 192.249.114.167: icmp_seq=0 ttl=54 time=94.365 ms
64 bytes from 192.249.114.167: icmp_seq=1 ttl=54 time=98.430 ms
64 bytes from 192.249.114.167: icmp_seq=2 ttl=54 time=92.150 ms
64 bytes from 192.249.114.167: icmp_seq=3 ttl=54 time=95.924 ms
64 bytes from 192.249.114.167: icmp_seq=4 ttl=54 time=94.961 ms
64 bytes from 192.249.114.167: icmp_seq=5 ttl=54 time=94.106 ms
64 bytes from 192.249.114.167: icmp_seq=6 ttl=54 time=91.369 ms
64 bytes from 192.249.114.167: icmp_seq=7 ttl=54 time=92.066 ms
64 bytes from 192.249.114.167: icmp_seq=8 ttl=54 time=96.005 ms
64 bytes from 192.249.114.167: icmp_seq=9 ttl=54 time=101.579 ms

--- BLANKED OUT ping statistics ---
10 packets transmitted, 10 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 91.369/95.096/101.579/2.965 ms


Traceroute has started…

traceroute to BLANKED OUT (192.249.114.167), 64 hops max, 72 byte packets
1 olp-67-217-144-1.olp.net (67.217.144.1) 37.095 ms 40.704 ms 34.690 ms
2 olp-67-217-152-177.olp.net (67.217.152.177) 34.559 ms 45.175 ms 33.959 ms
3 olp-67-217-150-202.olp.net (67.217.150.202) 31.549 ms 35.948 ms 32.209 ms
4 vlan3823.car1.dallas1.level3.net (4.59.113.73) 60.124 ms 64.738 ms 60.155 ms
5 vlan60.csw1.dallas1.level3.net (4.69.145.62) 94.819 ms 91.880 ms 97.492 ms
6 ae-63-63.ebr3.dallas1.level3.net (4.69.151.134) 95.116 ms 94.340 ms 95.059 ms
7 ae-3-3.ebr2.losangeles1.level3.net (4.69.132.77) 95.171 ms 94.693 ms 104.766 ms
8 ae-82-82.csw3.losangeles1.level3.net (4.69.137.26) 100.763 ms 99.746 ms 104.950 ms
9 ae-3-80.edge3.losangeles1.level3.net (4.69.144.137) 109.918 ms 91.686 ms 91.812 ms
10 cr1.lax1.us.packetexchange.net (4.71.136.2) 96.558 ms 98.610 ms 100.759 ms
11 198.46.92.1 (198.46.92.1) 121.123 ms 91.808 ms 97.720 ms
12 vp107.inmotionhosting.com (192.145.239.72) 99.874 ms 94.439 ms 100.134 ms
13 vps12119.inmotionhosting.com (192.249.114.167) 100.160 ms 97.398 ms 100.164 ms
eubanksto
17 Points
2013-11-21 5:57 pm EST
Hello eubanksto,

Thank you for the ping and traceroute tests. It doesn't appear that you're having too much latency to deal with, other than your first ping test appeared to have 20% packet loss which could lead to a little bit of sluggishness.

Since you're getting almost identical download speeds from both data centers a move to the East Coast might not help resolve these issue. But you could do some further testing with an extended ping test to each coast to check for packet loss over a longer duration.

If you could do the two following ping tests which will send 100 packets, this would help rule out geographical location as the issue:

East Coast

ping -n 100 ecvp116.inmotionhosting.com


Ping statistics for 198.46.81.72:
Packets: Sent = 100, Received = 100, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 7ms, Maximum = 11ms, Average = 8ms


West Coast

ping -n 100 vp107.inmotionhosting.com


Ping statistics for 192.145.239.72:
Packets: Sent = 100, Received = 100, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 76ms, Maximum = 79ms, Average = 76ms


As you can see I'm in our Virginia Beach office on the East Coast so my latency to the West Coast is a lot higher.

If these numbers are coming out about even for you, then I'd recommend submitting a ticket to have our system administration team review your VPS environment to ensure there isn't anything running that could cause the WHM/cPanel interfaces to slow down.

If you'd also like to do some poking around yourself, I've written a bunch of guides on server usage that cover how to check for activity on your server, which could possibly be keeping the server busy and slowing things down.

- Jacob
JacobIMH
9,968 Points
Staff
2013-11-21 7:21 pm EST
When I did the ping tests tonight, it's kind of inconsistent both coasts but probably more consistently bad on the West Coast. The last set I did, I did 1000 cause they were so different each time.

West Coast
--- vp107.inmotionhosting.com ping statistics ---
100 packets transmitted, 100 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 73.196/614.498/1530.368/391.344 ms

--- vp107.inmotionhosting.com ping statistics ---
100 packets transmitted, 66 packets received, 34.0% packet loss
round-trip min/avg/max/stddev = 73.276/77.968/92.266/4.351 ms

--- vp107.inmotionhosting.com ping statistics ---
100 packets transmitted, 81 packets received, 19.0% packet loss
round-trip min/avg/max/stddev = 72.578/79.413/183.672/12.876 ms

--- vp107.inmotionhosting.com ping statistics ---
100 packets transmitted, 100 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 72.542/77.216/260.436/18.455 ms

--- vp107.inmotionhosting.com ping statistics ---
1000 packets transmitted, 965 packets received, 3.5% packet loss
round-trip min/avg/max/stddev = 72.277/80.210/320.332/23.241 ms

East Coast
--- ecvp116.inmotionhosting.com ping statistics ---
100 packets transmitted, 100 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 106.171/843.664/1427.502/284.250 ms

--- ecvp116.inmotionhosting.com ping statistics ---
100 packets transmitted, 100 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 45.459/48.423/60.203/1.630 ms

--- ecvp116.inmotionhosting.com ping statistics ---
100 packets transmitted, 100 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 45.455/50.346/137.924/10.730 ms

--- ecvp116.inmotionhosting.com ping statistics ---
1000 packets transmitted, 969 packets received, 3.1% packet loss
round-trip min/avg/max/stddev = 45.295/48.749/92.702/3.528 ms
eubanksto
17 Points
2013-11-21 10:49 pm EST
Hello eubanksto,

Thanks for posting the additional network tests. It would seem that you're experiencing more packet loss to the West Coast data center, and a higher average and max ping time.

I also attempted to login to your VPS and used WHM and cPanel, and it seemed quick, but at times I did notice a couple second delay on occasion (I myself and coming from the East Coast though).

If it seems like the problems persist and more often than not it's sluggish for you please open a ticket to have our system admin team review it for you.

If you'd like to do some further digging on if switching coasts might be better in your case, I might also recommend giving the Ping Plotter program a shot. It allows you to run visual traceroutes with a graph over a longer duration, and also keep track of the hops in the traceroute that are high latency or losing packets. You can even have it alert you when the past 10 samples or so is higher than a set maximum.

- Jacob
JacobIMH
9,968 Points
Staff
2013-11-22 3:27 pm EST
Is there a Mac compatible equivalent to ping plotter?
eubanksto
17 Points
2013-11-22 6:52 pm EST
Hello eubanksto,

I did some searching and was unable to find a Mac compatible program similar to Ping Plotter unfortunately.

- Jacob
JacobIMH
9,968 Points
Staff
2013-11-22 7:40 pm EST
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