Re: [squid-users] very poor performance of rock cache ipc

2023-10-16 Thread Alex Rousskov
On 2023-10-16 16:24, Julian Taylor wrote: On 15.10.23 05:42, Alex Rousskov wrote: On 2023-10-14 12:04, Julian Taylor wrote: On 14.10.23 17:40, Alex Rousskov wrote: On 2023-10-13 16:01, Julian Taylor wrote: The reproducer uses as single request, the same very thing can be observed on a

Re: [squid-users] very poor performance of rock cache ipc

2023-10-16 Thread Julian Taylor
On 15.10.23 05:42, Alex Rousskov wrote: On 2023-10-14 12:04, Julian Taylor wrote: On 14.10.23 17:40, Alex Rousskov wrote: On 2023-10-13 16:01, Julian Taylor wrote: The reproducer uses as single request, the same very thing can be observed on a very busy squid If a busy Squid sends lots

Re: [squid-users] very poor performance of rock cache ipc

2023-10-14 Thread Alex Rousskov
On 2023-10-14 12:04, Julian Taylor wrote: On 14.10.23 17:40, Alex Rousskov wrote: On 2023-10-13 16:01, Julian Taylor wrote: When using squid for caching using the rock cache_dir setting the performance is pretty poor with multiple workers. The reason for this is due to the very high number of

Re: [squid-users] very poor performance of rock cache ipc

2023-10-14 Thread Julian Taylor
On 14.10.23 17:40, Alex Rousskov wrote: On 2023-10-13 16:01, Julian Taylor wrote: When using squid for caching using the rock cache_dir setting the performance is pretty poor with multiple workers. The reason for this is due to the very high number of systemcalls involved in the IPC between

Re: [squid-users] very poor performance of rock cache ipc

2023-10-14 Thread Alex Rousskov
On 2023-10-13 16:01, Julian Taylor wrote: When using squid for caching using the rock cache_dir setting the performance is pretty poor with multiple workers. The reason for this is due to the very high number of systemcalls involved in the IPC between the disker and workers. Please allow me

[squid-users] very poor performance of rock cache ipc

2023-10-13 Thread Julian Taylor
Hello, When using squid for caching using the rock cache_dir setting the performance is pretty poor with multiple workers. The reason for this is due to the very high number of systemcalls involved in the IPC between the disker and workers. You can reproduce this very easily with a simple