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  1. #1
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    Traffic Has Been Hit Badly After Moving To VPS

    Hi,
    I shifted to knownhost VPS 2 days back and since then traffic has been hit badly. I know change in nameserver does hit traffic but mine has reduced almost by 60%!

    What do you think about it? Do I need to make any changes to server configuration?

    I have a wordpress based blog.

  2. #2
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    No valid reason for that except propagation delays....have you double checked all your DNS is correct? Try HERE!

  3. #3
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    I have double checked the dns. Everything is in order.

    Do you have any idea as to when will traffic return to normal?

  4. #4
    Usually ip propagation would be done in max 72hours...
    Maybe you can check it using just-dnslookup.com

  5. #5
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    http://www.whatsmydns.net/
    shows propagation around the world. Maybe half of it is not yet aware of your DNS change...

  6. #6
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    Quote Originally Posted by Amitz View Post
    http://www.whatsmydns.net/
    shows propagation around the world. Maybe half of it is not yet aware of your DNS change...
    Quote Originally Posted by SerayaHost View Post
    Usually ip propagation would be done in max 72hours...
    Maybe you can check it using just-dnslookup.com


    Tried both of the web links. All of the places have new, updated DNS. I don't understand why traffic is so low If the samd trend continued I'll have to move back to shared hosting :p

  7. #7
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    It's nothing to do with your hosting as far as I can see! I've moved around a bit over the last 13 years and stats have always remained pretty constant.

  8. #8
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    Maybe you are right but it isn't working for me. And by 'moving back to shared hosting' I meant that this kind of traffic (monthly 210000 uv's) was handled quite well by my previous host!

  9. #9
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    Quote Originally Posted by Perryb View Post
    Maybe you are right but it isn't working for me. And by 'moving back to shared hosting' I meant that this kind of traffic (monthly 210000 uv's) was handled quite well by my previous host!
    Are you saying the VPS is crashing due to the traffic your receiving?
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  10. #10
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    This could mean some traffic is still going to your old hosting account and it's not 100% thru us yet. DNS doesn't propagate all at once around the world. So some parts of the world may not be 100% updated yet. This is the only real explanation I can think of unless your VPS is crashing which you didn't say was the case which means "the VPS can handle your traffic thus far".
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  11. #11
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    Arrow

    Quote Originally Posted by Perryb View Post
    Maybe you are right but it isn't working for me. And by 'moving back to shared hosting' I meant that this kind of traffic (monthly 210000 uv's) was handled quite well by my previous host!

    210000 UV's were handled by shared hosting???
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  12. #12
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    Quote Originally Posted by KnownHost View Post
    This could mean some traffic is still going to your old hosting account and it's not 100% thru us yet. DNS doesn't propagate all at once around the world. So some parts of the world may not be 100% updated yet. This is the only real explanation I can think of unless your VPS is crashing which you didn't say was the case which means "the VPS can handle your traffic thus far".
    No the server isn't crashing although I want it to crash but due to surge in traffic And the DNS checking link's mentioned above suggested that all the major places have updated DNS. Then how come traffic is still going through old host?

  13. #13
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    Quote Originally Posted by jamshed_11946 View Post
    210000 UV's were handled by shared hosting???
    Yes. Very well infact! It was more like a premium shared hosting. Contact Expertrio to know more

  14. #14
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    hostgator can handle this

    i also getting same traffic of 30k uv after that mine host kick me off

  15. #15
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    Well, that depends. Some folks get their site disabled for a time if they exceed resource limitations.
    Hosting is like a box of chocolates, you never know what you're gonna get.

  16. #16
    Sounds like you could use a dedicated server instead.

  17. #17
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    Quote Originally Posted by upside View Post
    Sounds like you could use a dedicated server instead.
    How would a dedicated server solve traffic issues? I am yet to make full use of VPS.

  18. #18
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    Looking for shared or reseller or VPS Hosting ?
    Try our service at https://www.sosys.net!
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  19. #19
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    Quote Originally Posted by Benny Kusman View Post
    Thanks for the link buddy I'll check it out as and when I get on pc.

  20. #20
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    I had the same issue a while back. Moved from a shared reseller account to a VPS and my traffic dropped around 40% (if I remember correctly). After 4 days most of my traffic came back though not like it was before the move but within 90% of what it was.

    I cannot explain it but it did occur. The thing is I still had access to my reseller account and during the 4 days I experienced a decline in traffic on my VPS, my reseller account was not getting any traffic at all.

  21. #21
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    Quote Originally Posted by DaKine View Post
    I had the same issue a while back. Moved from a shared reseller account to a VPS and my traffic dropped around 40% (if I remember correctly). After 4 days most of my traffic came back though not like it was before the move but within 90% of what it was.

    I cannot explain it but it did occur. The thing is I still had access to my reseller account and during the 4 days I experienced a decline in traffic on my VPS, my reseller account was not getting any traffic at all.
    I think Google leaves out the sites or something like that during DNS propagation. This is the same trend happening with my blog. It's been 3 days and traffic has been falling, marginally though. I just hope it returns to normal.

    Also, did you make any particular changes to your vps (am assuming your site is based on wordpress)?

  22. #22
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    Quote Originally Posted by Perryb View Post
    I think Google leaves out the sites or something like that during DNS propagation. This is the same trend happening with my blog. It's been 3 days and traffic has been falling, marginally though. I just hope it returns to normal.

    Also, did you make any particular changes to your vps (am assuming your site is based on wordpress)?
    This occurred a few months ago I have numerous sites (personal) some are PHP forums, HTML and two are Wordpress sites. They all dropped about the same percentage. None of my customers have complained.

    I made no particular changes at that time except I no longer had Fantastico from the reseller and I added Softiculous. A month later I installed a Firewall.

    Also, I just recently had a 1.5-2 day downtime on my VPS and my traffic came back immediately.

  23. #23
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    Quote Originally Posted by DaKine View Post
    This occurred a few months ago I have numerous sites (personal) some are PHP forums, HTML and two are Wordpress sites. They all dropped about the same percentage. None of my customers have complained.

    I made no particular changes at that time except I no longer had Fantastico from the reseller and I added Softiculous. A month later I installed a Firewall.

    Also, I just recently had a 1.5-2 day downtime on my VPS and my traffic came back immediately.
    That's great! Help me out with some luck

    BTW I am getting some email alerts (lfd) about some ip's being temporarily blocked for port scanning (11 hits). Can this be one of the reason?

  24. #24
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    Quote Originally Posted by Perryb View Post
    That's great! Help me out with some luck

    BTW I am getting some email alerts (lfd) about some ip's being temporarily blocked for port scanning (11 hits). Can this be one of the reason?
    You'll get those all the time.....check the IP locations against your user base demographics.

  25. #25
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    Quote Originally Posted by XTremo View Post
    You'll get those all the time.....check the IP locations against your user base demographics.
    One block was of Indian IP, from which majority of traffic comes and other of Morroco about which I am not worried. Will it be safe to increase this temporary block value? What do you recommend?

  26. #26
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    It could very well be coincidental. I know we had one guy who moved from one shared server to another and claimed that his traffic plummeted like a rock. Well it turned out that Google had blacklisted him (not due to the server change, but due to some black-hat SEO) and that was why he lost so much traffic... For about two weeks he kept blaming the server move and kept telling us we had destroyed his traffic, etc... He did eventually apologize.
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  27. #27
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    There are so many reasons why you see changes in your traffic including dns propagation delays, vps limitation in accepting connections, network problem, etc...

    You need to check your log properly too so you can trouble shoot any error.
    Specially 4 You
    .
    JoneSolutions.Com ( Jones.Solutions ) is on the net 24/7 providing stable and reliable web hosting solutions and services since 2001

  28. #28
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    Quote Originally Posted by MikeDVB View Post
    It could very well be coincidental. I know we had one guy who moved from one shared server to another and claimed that his traffic plummeted like a rock. Well it turned out that Google had blacklisted him (not due to the server change, but due to some black-hat SEO) and that was why he lost so much traffic... For about two weeks he kept blaming the server move and kept telling us we had destroyed his traffic, etc... He did eventually apologize.
    Thankfully there's no ban on my blog nor I use any black hat seo, just yoast's seo plugin.

  29. #29
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    Quote Originally Posted by net View Post
    There are so many reasons why you see changes in your traffic including dns propagation delays, vps limitation in accepting connections, network problem, etc...

    You need to check your log properly too so you can trouble shoot any error.
    "including dns propagation delays, vps limitation in accepting connections, network problem, etc..."

    This is precisely what I was looking for. I am a noob and knowl little about such things. Are there any guides here that could help me optimize vps for wordpress blogs?

  30. #30
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    How many cores are you allocated? Just a few plugins can eat up CPU cycles. Caching plugins are great. If you don't have CSF firewall installed, install it.
    Hosting is like a box of chocolates, you never know what you're gonna get.

  31. #31
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    Quote Originally Posted by TheJoker View Post
    How many cores are you allocated? Just a few plugins can eat up CPU cycles. Caching plugins are great. If you don't have CSF firewall installed, install it.
    CSF firewall is installed (annoying) and under server load it says 0.7 (8 cpu) so I guess 8 cores.

    Pardon me but I have no knowledge of this stuff

  32. #32
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    I really think it is a question of the migration time and cached dns rather than any problem with the vps. Migrating again will only prolong the traffic drop.

    Consider that some of your clients may have cached your dns records on their pc's.

    Some ISP's cached DNS results instead of truly respecting the Time to live settings.

    Even though the DNS checkers say its propogated they just mean that when they query the domain they see it properly. It does not and cannot replicate what each client sees around the world.

    Is your old account still active, if so check the logs. If not, you may be having some clients see it as down as they go to the old server to check.

    The better way to do a migration like this is to change the dns TTL a week before and make it very short then migrate and this helps but cannot 100% solve it.

  33. #33
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    On a side note I block approximately 150-250 new IP addresses a month and have been doing this consistently for the last 10 months. While it doesn't stop the SPAMMERS from trying to access my VPS I wonder if when they attempt to access my server if my statistics programs count that or not? My error log sure is growing!

  34. #34
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    Quote Originally Posted by Coolraul View Post
    I really think it is a question of the migration time and cached dns rather than any problem with the vps. Migrating again will only prolong the traffic drop.

    Consider that some of your clients may have cached your dns records on their pc's.

    Some ISP's cached DNS results instead of truly respecting the Time to live settings.

    Even though the DNS checkers say its propogated they just mean that when they query the domain they see it properly. It does not and cannot replicate what each client sees around the world.

    Is your old account still active, if so check the logs. If not, you may be having some clients see it as down as they go to the old server to check.

    The better way to do a migration like this is to change the dns TTL a week before and make it very short then migrate and this helps but cannot 100% solve it.
    Ah. A different view point. I didn't know this could happen too. Although my previous account is now inactive but I think I should get it back and go live there as well. What do you say?

  35. #35
    Quote Originally Posted by Perryb View Post
    One block was of Indian IP, from which majority of traffic comes and other of Morroco about which I am not worried. Will it be safe to increase this temporary block value? What do you recommend?
    Some hosts seem to install or use connection rate limiting schemes. It is not necessarily good for the client.

    We have seen an increase in this type of scheme this year. Even 1 connection every 15 minutes can trigger one of these if it is done for enough hours.

    The client then blames our system ... no ... your host is dropping connections causing an alert.
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  36. #36
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    Quote Originally Posted by plumsauce View Post
    Some hosts seem to install or use connection rate limiting schemes. It is not necessarily good for the client.

    We have seen an increase in this type of scheme this year. Even 1 connection every 15 minutes can trigger one of these if it is done for enough hours.

    The client then blames our system ... no ... your host is dropping connections causing an alert.
    I am not sure if Knownhost engages in similar type of limiting values. Is there a way to check the same? Any value I should change?

    Sorry but I am totally new to this and hence lame questions

  37. #37
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    Quote Originally Posted by Perryb View Post
    I am not sure if Knownhost engages in similar type of limiting values. Is there a way to check the same? Any value I should change?

    Sorry but I am totally new to this and hence lame questions
    No, we do not do anything like that. However in case of cPanel VPS CSF is pre-installed and pre-configured and is setup to monitor number of concurrent connections from IPs and to block IPs that exceed 5 concurrent connections. CSF configuration is completely within customer's control and is not something that is enforced to be there by us. If you want us to change the settings just ask us and we'd be happy to. It's installed for security but we can change it if you ask.
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