ARAL optimal alloc size (#13804)

aral optimal alloc size

1 files changed, 3 insertions, 1 deletions

diff --git a/libnetdata/arrayalloc/arrayalloc.c b/libnetdata/arrayalloc/arrayalloc.c
index f6b38db2f1..f4d3cb0312 100644
--- a/libnetdata/arrayalloc/arrayalloc.c
+++ b/libnetdata/arrayalloc/arrayalloc.c
@@ -6,7 +6,9 @@
 #define ARAL_MAX_PAGE_SIZE_MMAP (1*1024*1024*1024)
 
 // max malloc size
-#define ARAL_MAX_PAGE_SIZE_MALLOC (10*1024*1024)
+// optimal at current versions of libc is up to 256k
+// ideal to have the same overhead as libc is 4k
+#define ARAL_MAX_PAGE_SIZE_MALLOC (64*1024)
 
 typedef struct arrayalloc_free {
     size_t size;