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Brian Stevenson

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  1. Wow! That's huge. Do you have a 1,000 MB/s pipe to the internet?
  2. Earlier this month, I moved off of cypress (the original semi-dedicated server) to a VPS. Given the timing of my move, I wasn't able to experience this MySQL optimization first-hand. I would love to hear from current shared and semi-dedicated customers to see if they "feel" a noticeable difference. Peace, Brian
  3. I would love a temporary VPS until we can find a permanent fix -- assuming it's fully managed. My Linux skills are C+.
  4. The current server load doesn't appear bad. Must be an I/O issue?: Server Load 7.13 (16 cpus) Memory Used 45.9 % Swap Used 0.61 %
  5. I can confirm that my site on cypress is experiencing the same issue. CloudFlare cache is kicking in b/c my site is timing out.
  6. When we were dealing with the I/O issues, I could definitely feel the sluggishness even through CloudFlare. The reason is that CF's Content Delivery Network doesn't deliver cached HTML when your site is operational. CloudFlare's nginx web server does an immediate pass-thru of MDDHosting's HTML response to your browser. If MDDH is getting pegged with a DDOS, or is experiencing a technical issue that causes a performance hit, you'll feel it. CloudFlare actually thought my site was offline at the peak of the issues were were having in March, so the "Always Online" feature occasionally kicked in and a cached version of my site was delivered instead. A good way to get a sense of the bottleneck is to visit the CloudFlare-optimized version of your site, then visit your site directly (e.g. direct.yourdomain.com or whatever you setup in CF's DNS). Third party tools like YSlow can help pinpoint the problem. If static files like javascript, css, and image files are taking forever to load on the Cloudflare-Optimized version, it's a cloudflare issue. Check out their system status page for more info: http://www.cloudflare.com/system-status.html Peace, Brian
  7. The pv tool is pretty slick! You'll likely need to yum/apt-get it for linux or use homebrew to install it for mac. http://www.ivarch.com/programs/pv.shtml The dd command might need to be tweaked with different bs (block size) and count depending on how much junk you need to send across the wire. Whatever option you choose, I would be interested in the results. Peace, Brian
  8. Assuming you access to *nix-based boxes, this solution should work for you: http://serverfault.com/questions/5111/how-to-test-real-network-throughput-between-two-points/5119 1. Listen and pipe to /dev/null on one machine nc –l –p 7000 | /dev/null 2. Connect and pipe 100MiB of random data on the other dd if=/dev/urandom bs=1M count=100 | nc 192.168.1.120 7000 –q 10 2 (alt). For realtime stats use pipeviewer dd if=/dev/urandom bs=1M count=100 | pv | nc 192.168.1.120 7000 -q 10
  9. Give this a try: define('COOKIE_DOMAIN', '.lrastart.org');
  10. You beat me to the congratulations! Well done Michael!
  11. Excellent response time on page loads! W3 Total Cache is doing a much better job than Boost.
  12. Is the new ip address temporary or permanent? I'll need to update my nameserver as I have my DNS hosted at cloudflare. Peace, Brian
  13. Hmm.. maybe cacti.mddhosting.com and cypress.mddhosting.com are the same box? If logging stopped, that would explain why the the graph shows some dead air during the outage. Thanks for digging into this one Michael.
  14. The network graph is particularly interesting: http://www.mddhosting.com/support/serverstatus.php http://www.screen-shot.net/2011-03-11_1617.png
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