[Fix] Do not spawn too many workers by default

diff --git a/src/libserver/cfg_utils.c b/src/libserver/cfg_utils.c
index b0533f7b8516a4a15a7268f5589aa66122a36d12..597d661ae799d03c80a6595bb82e99470f1734fd 100644 (file)
--- a/src/libserver/cfg_utils.c
+++ b/src/libserver/cfg_utils.c
@@ -44,6 +44,7 @@
 #define DEFAULT_MAX_PIC (1 * 1024 * 1024)
 #define DEFAULT_MAX_SHOTS 100
 #define DEFAULT_MAX_SESSIONS 100
+#define DEFAULT_MAX_WORKERS 4
 
 struct rspamd_ucl_map_cbdata {
        struct rspamd_config *cfg;
@@ -1001,9 +1002,10 @@ rspamd_config_new_worker (struct rspamd_config *cfg,
                c->params = g_hash_table_new (rspamd_str_hash, rspamd_str_equal);
                c->active_workers = g_queue_new ();
 #ifdef HAVE_SC_NPROCESSORS_ONLN
-               c->count = sysconf (_SC_NPROCESSORS_ONLN);
+               c->count = MIN (DEFAULT_MAX_WORKERS,
+                               MAX (1, sysconf (_SC_NPROCESSORS_ONLN) - 2));
 #else
-               c->count = DEFAULT_WORKERS_NUM;
+               c->count = DEFAULT_MAX_WORKERS;
 #endif
                c->rlimit_nofile = 0;
                c->rlimit_maxcore = 0;