X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/ef59a8bc9ef426f9d24e701e9b73a6a03ddd3d0f..339b9dc2d2e7d319e29581b367a1027365186cc3:/src/object.c

diff --git a/src/object.c b/src/object.c
index e7fa3742..b1eae963 100644
--- a/src/object.c
+++ b/src/object.c
@@ -245,8 +245,12 @@ robj *tryObjectEncoding(robj *o) {
      * range and if this is the main thread, since when VM is enabled we
      * have the constraint that I/O thread should only handle non-shared
      * objects, in order to avoid race conditions (we don't have per-object
-     * locking). */
-    if (value >= 0 && value < REDIS_SHARED_INTEGERS &&
+     * locking).
+     *
+     * Note that we also avoid using shared integers when maxmemory is used
+     * because very object needs to have a private LRU field for the LRU
+     * algorithm to work well. */
+    if (server.maxmemory == 0 && value >= 0 && value < REDIS_SHARED_INTEGERS &&
         pthread_equal(pthread_self(),server.mainthread)) {
         decrRefCount(o);
         incrRefCount(shared.integers[value]);
@@ -443,8 +447,9 @@ char *strEncoding(int encoding) {
  * requested, using an approximated LRU algorithm. */
 unsigned long estimateObjectIdleTime(robj *o) {
     if (server.lruclock >= o->lru) {
-        return (server.lruclock - o->lru) * 60;
+        return (server.lruclock - o->lru) * REDIS_LRU_CLOCK_RESOLUTION;
     } else {
-        return ((REDIS_LRU_CLOCK_MAX - o->lru) + server.lruclock) * 60;
+        return ((REDIS_LRU_CLOCK_MAX - o->lru) + server.lruclock) *
+                    REDIS_LRU_CLOCK_RESOLUTION;
     }
 }