You need to include master-service.h to get master_service_get_process_limit, which returns how many processes of this type can be created before reaching the limit.
vsz_limit includes mmap and malloc allocations. dovecot uses setrlimit() to enforce the memory limit, so getrusage() should give you the relevant value.
Aki
On 12/10/2024 02:47 EEST Joan Moreau via dovecot <dovecot@dovecot.org> wrote:
Looking forward to any help
On Tue, 2024-10-08 at 08:45 +0800, Joan Moreau via dovecot wrote:
Additionally, I get error: 'master_service_get_process_limit' was not declared in this scope (dovecot git version)
On Tue, 2024-10-08 at 08:16 +0800, Joan Moreau via dovecot wrote:
Hi
What is the link between getrlimit (linux posix) , the vsz_limit parameter nd " MemAvailable" from /proc/meminfo ?
Is there a way to see how much of the allocated memory (vsz ?) the process is using in dovecot ?
Does that vsz limit take into account the direct malloc ?
For the master_service_get_process_limit(), does this refer to the master process or the service itself ?
If the .conf is as follows, where to get the process_limit value ?
service indexer-worker { vsz_limit = 2G process_limit = 2 }
Thank you
On 2024-10-08 00:20, Aki Tuomi via dovecot wrote:
With 2.3 you can use master_service_get_process_limit() for the process limit.
To get vsz_limit, it's probably easiest to use getrlimit().
Aki
On 07/10/2024 19:00 EEST Joan Moreau via dovecot <dovecot@dovecot.org> wrote:
get_rusage does not give me the value of vsz_limit from dovecot.conf !
Need also process_limit (also from dovecot.conf)
Thank you
On 2024-10-07 14:13, Aki Tuomi via dovecot wrote:
On 07/10/2024 07:36 EEST Joan Moreau via dovecot <dovecot@dovecot.org> wrote:
Hi
How to get (programatically, c++) the current usage of memory, under the limit of vsz_limit ?
https://doc.dovecot.org/2.3/configuration_manual/service_configuration/#serv...
Thank you You could try https://man7.org/linux/man-pages/man2/getrusage.2.html
Aki
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