MINOR: config: implement global setting tune.buffers.reserve
Used in conjunction with the dynamic buffer allocator.
tune.buffers.reserve <number>
Sets the number of buffers which are pre-allocated and reserved for use only
during memory shortage conditions resulting in failed memory allocations. The
minimum value is 2 and is also the default. There is no reason a user would
want to change this value, it's mostly aimed at haproxy core developers.
diff --git a/doc/configuration.txt b/doc/configuration.txt
index 5dc3afa..d3f049e 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -891,6 +891,12 @@
and +/- 50%. A value between 2 and 5 seems to show good results. The
default value remains at 0.
+tune.buffers.reserve <number>
+ Sets the number of buffers which are pre-allocated and reserved for use only
+ during memory shortage conditions resulting in failed memory allocations. The
+ minimum value is 2 and is also the default. There is no reason a user would
+ want to change this value, it's mostly aimed at haproxy core developers.
+
tune.bufsize <number>
Sets the buffer size to this size (in bytes). Lower values allow more
sessions to coexist in the same amount of RAM, and higher values allow some
diff --git a/src/cfgparse.c b/src/cfgparse.c
index a423d76..ad0b44b 100644
--- a/src/cfgparse.c
+++ b/src/cfgparse.c
@@ -696,6 +696,16 @@
}
}
#endif
+ else if (!strcmp(args[0], "tune.buffers.reserve")) {
+ if (*(args[1]) == 0) {
+ Alert("parsing [%s:%d] : '%s' expects an integer argument.\n", file, linenum, args[0]);
+ err_code |= ERR_ALERT | ERR_FATAL;
+ goto out;
+ }
+ global.tune.reserved_bufs = atol(args[1]);
+ if (global.tune.reserved_bufs < 2)
+ global.tune.reserved_bufs = 2;
+ }
else if (!strcmp(args[0], "tune.bufsize")) {
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects an integer argument.\n", file, linenum, args[0]);