Performance Problems

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Robert T
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Joined: Mon 12 Jun, 2006 11:35
Posts: 9999

  Z3 roadster 1.9
Location: Cheshire

Performance Problems

Post by Robert T » Tue 01 Nov, 2016 10:25

I am aware of some severe performance problems with the forum server at the moment. I am in contact with out ISP and we are trying to sort this out. It only appears to be for short periods at odd times of day, but at times the site is completely unresponsive. The external monitoring service that I use has been going crazy sending me emails. Please bear with me whilst I get it fixed.

Cheers R.
Arctic Silver '99 Z3 1.9 & Black '59 Frogeye 1275cc
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Robert T
Site Admin
Joined: Mon 12 Jun, 2006 11:35
Posts: 9999

  Z3 roadster 1.9
Location: Cheshire

Re: Performance Problems

Post by Robert T » Thu 17 Nov, 2016 17:01

After some investigation it turned out to be a robot scanning our site in a rather anti-social manner - instead of accessing pages at a steady trickle, it was asking for pages in rapid succession. Not only that, but it was asking for each page 5 times simultaneously pretending to be a different type of device for each request! Needless to say that on our budget server, this caused requests to back up to the point where they weren't getting serviced and the site appeared to all intents and purposes to be dead. This particular bot is a despicable piece of programming and seeing as though it is not something we have ever requested, could be quite legitimately considered a Denial Of Service attack.

I have blocked the bot and it looks like it has finally got the message as we have now had a clear week where it hasn't even tried to scan our site. You should notice a marked increase in the responsiveness of the site.

Cheers R.
Arctic Silver '99 Z3 1.9 & Black '59 Frogeye 1275cc
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John Wilson
Joined: Fri 12 Jun, 2009 13:11
Posts: 240

  Z3 roadster 2.0
Location: Diss

Re: Performance Problems

Post by John Wilson » Thu 17 Nov, 2016 18:30

Thanks for sorting it out, Robert. You re a hero. Now just come round and sort out my landline cold calling.

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pingu
Joined: Fri 30 Apr, 2004 17:01
Posts: 3337

  M roadster S50

Re: Performance Problems

Post by pingu » Thu 17 Nov, 2016 19:17

John Wilson wrote:Thanks for sorting it out, Robert. You re a hero. Now just come round and sort out my landline cold calling.
Sorted...

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:D

BTW, thanks RT :)
Pingu

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Gazza
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Joined: Tue 04 Oct, 2005 21:58
Posts: 9180

  M roadster S54
Location: East London/Essex

Re: Performance Problems

Post by Gazza » Thu 17 Nov, 2016 20:27

Well done Rob :D
Gazza

"Understeer is when you hit the wall with the front of the car, oversteer is when you hit the wall with the rear of the car. Horsepower is how fast you hit the wall and torque is how far you take the wall with you"

S54 M roadster Image Mustang Fastback, BMW Z1, BMW M3 CSL.

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Robert T
Site Admin
Joined: Mon 12 Jun, 2006 11:35
Posts: 9999

  Z3 roadster 1.9
Location: Cheshire

Re: Performance Problems

Post by Robert T » Thu 17 Nov, 2016 20:58

John Wilson wrote:Thanks for sorting it out, Robert. You re a hero. Now just come round and sort out my landline cold calling.
This is my solution for cold callers. It's a Raspberry Pi with a fax modem. Any number I want to reject gets answered as a fax and hopefully gets my number delisted. All I get is one ring whilst the caller Id comes through.

Image

I can't claim credit for the idea and it is a bit fiddly to set up, but it works. :)

Cheers R.

Sent from my SM-G920F using Tapatalk
Arctic Silver '99 Z3 1.9 & Black '59 Frogeye 1275cc
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handsomejackuk
Joined: Sat 18 Jun, 2016 11:35
Posts: 295

  Z3 roadster 1.9
Location: Blaenau Gwent South Wales...

Re: Performance Problems

Post by handsomejackuk » Thu 17 Nov, 2016 22:17

nice, i got a spare raspberry pi here.... was using it as a torrent server, and did use it briefly for running XBMC, and also used it for a cam server... but into different stuff now...

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