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-rw-r--r--src/object.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/object.c b/src/object.c
index 5602b688e..46f1f3f8b 100644
--- a/src/object.c
+++ b/src/object.c
@@ -76,8 +76,11 @@ robj *createEmbeddedStringObject(char *ptr, size_t len) {
/* Create a string object with EMBSTR encoding if it is smaller than
* REIDS_ENCODING_EMBSTR_SIZE_LIMIT, otherwise the RAW encoding is
- * used. */
-#define REDIS_ENCODING_EMBSTR_SIZE_LIMIT 32
+ * used.
+ *
+ * The current limit of 39 is chosen so that the biggest string object
+ * we allocate as EMBSTR will still fit into the 64 byte arena of jemalloc. */
+#define REDIS_ENCODING_EMBSTR_SIZE_LIMIT 39
robj *createStringObject(char *ptr, size_t len) {
if (len <= REDIS_ENCODING_EMBSTR_SIZE_LIMIT)
return createEmbeddedStringObject(ptr,len);