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set alloc_conn_once and max_entries gracefully

use_iouring
YuQing 2025-10-12 12:28:11 +08:00
parent 926cd40114
commit 817ff547da
1 changed files with 47 additions and 14 deletions
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61
src/sf_service.c
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@ -66,7 +66,9 @@ static int sf_init_free_queue(SFContext *sf_context, const char *name,
TaskInitCallback init_callback, void *init_arg)
{
int result;
int buffer_size;
int m;
int max_m;
int alloc_conn_once;
if ((result=set_rand_seed()) != 0) {
@ -75,11 +77,19 @@ static int sf_init_free_queue(SFContext *sf_context, const char *name,
return result;
}
m = sf_context->net_buffer_cfg.min_buff_size / (64 * 1024);
if (strcmp(name, "service") == 0) {
buffer_size = sf_context->net_buffer_cfg.min_buff_size;
max_m = 16;
} else {
buffer_size = FC_MAX(4 * 1024 * 1024, sf_context->
net_buffer_cfg.max_buff_size);
max_m = 64;
}
m = buffer_size / (64 * 1024);
if (m == 0) {
m = 1;
} else if (m > 16) {
m = 16;
} else if (m > max_m) {
m = max_m;
}
alloc_conn_once = 256 / m;
return free_queue_init_ex2(&sf_context->free_queue, name, double_buffers,
@ -177,6 +187,36 @@ int sf_service_init_ex2(SFContext *sf_context, const char *name,
extra_events = 0;
}
max_entries = (sf_context->net_buffer_cfg.max_connections +
sf_context->work_threads - 1) / sf_context->work_threads;
if (strcmp(sf_context->name, "service") == 0) {
if (max_entries < 4 * 1024) {
max_entries = max_entries * 2;
} else if (max_entries < 8 * 1024) {
max_entries = (max_entries * 3) / 2;
} else if (max_entries < 16 * 1024) {
max_entries = (max_entries * 5) / 4;
} else if (max_entries < 32 * 1024) {
max_entries = (max_entries * 6) / 5;
#if IOEVENT_USE_URING
if (max_entries > 32 * 1024) {
max_entries = 32 * 1024;
}
#else
} else if (max_entries < 64 * 1024) {
max_entries = (max_entries * 11) / 10;
} else if (max_entries < 128 * 1024) {
max_entries = (max_entries * 21) / 20;
#endif
}
} else {
if (max_entries < 1024) {
max_entries += 8;
} else {
max_entries = 1024;
}
}
g_current_time = time(NULL);
sf_context->thread_count = 0;
data_end = sf_context->thread_data + sf_context->work_threads;
@ -201,15 +241,6 @@ int sf_service_init_ex2(SFContext *sf_context, const char *name,
thread_data->arg = NULL;
}
#if IOEVENT_USE_URING
if (sf_context->net_buffer_cfg.max_connections < 16 * 1024) {
max_entries = 2 * sf_context->net_buffer_cfg.max_connections;
} else {
max_entries = sf_context->net_buffer_cfg.max_connections;
}
#else
max_entries = 2 + sf_context->net_buffer_cfg.max_connections;
#endif
if ((result=ioevent_init(&thread_data->ev_puller, sf_context->name,
max_entries, net_timeout_ms, extra_events)) != 0)
{
@ -218,8 +249,10 @@ int sf_service_init_ex2(SFContext *sf_context, const char *name,
if (result == EPERM) {
strcpy(prompt, " make sure kernel.io_uring_disabled set to 0");
} else if (result == EINVAL) {
sprintf(prompt, " maybe max_connections: %d is too large",
sf_context->net_buffer_cfg.max_connections);
sprintf(prompt, " maybe max_connections: %d is too large"
" or [%s]'s work_threads: %d is too small",
sf_context->net_buffer_cfg.max_connections,
sf_context->name, sf_context->work_threads);
} else {
*prompt = '\0';
}