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    Occasional 500 Internal Server Errors

    Hi, Thanks for the suggestion - I'll try it out. Take care, Alex
  2. A

    Occasional 500 Internal Server Errors

    Hi, Switching to XCache did not help - true, it was serving requests faster than APC, but again there were stuck processes and 500s. I've now disabled caching altogehter and it seems to have done the trick - requests are being served a bit slower, more CPU is being used, but there are no...
  3. A

    Occasional 500 Internal Server Errors

    Hi, Yes, LSAPI is 6.6 and APC is 3.1.13. OK, I'll give XCache a shot. Thanks :) Take care, Alex
  4. A

    Occasional 500 Internal Server Errors

    Hi, Not completely sure this is a bug as it's PHP-related, but to me it looks like LiteSpeed having trouble spawning additional lsphp5 processes from time to time. But let me start from the beginning. What happens on the frontend is that a couple of times per day requests start...
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