add "dumpcore" config to avoid setting up the segv handler if you don't want it.

src/config.c

@@ -141,6 +141,10 @@ void loadServerConfig(char *filename) {
             if ((server.activerehashing = yesnotoi(argv[1])) == -1) {
                 err = "argument must be 'yes' or 'no'"; goto loaderr;
             }
+        } else if (!strcasecmp(argv[0],"dumpcore") && argc == 2) {
+            if ((server.dumpcore = yesnotoi(argv[1])) == -1) {
+                err = "argument must be 'yes' or 'no'"; goto loaderr;
+            }
         } else if (!strcasecmp(argv[0],"daemonize") && argc == 2) {
             if ((server.daemonize = yesnotoi(argv[1])) == -1) {
                 err = "argument must be 'yes' or 'no'"; goto loaderr;

src/redis.c

@@ -501,7 +501,7 @@ int serverCron(struct aeEventLoop *eventLoop, long long id, void *clientData) {
      * This is not precise but we don't need at all precision, but just
      * something statistically reasonable.
      */
-    server.lruclock = (time(NULL)/60)&((1<<21)-1);
+    server.lruclock = (server.unixtime/60)&((1<<21)-1);
 
     /* We received a SIGTERM, shutting down here in a safe way, as it is
      * not ok doing so inside the signal handler. */
@@ -729,6 +729,7 @@ void initServerConfig() {
     server.requirepass = NULL;
     server.rdbcompression = 1;
     server.activerehashing = 1;
+    server.dumpcore = 0;
     server.maxclients = 0;
     server.blpop_blocked_clients = 0;
     server.maxmemory = 0;
@@ -770,7 +771,9 @@ void initServer() {
 
     signal(SIGHUP, SIG_IGN);
     signal(SIGPIPE, SIG_IGN);
-    setupSigSegvAction();
+    if (!server.dumpcore) {
+        setupSigSegvAction();
+    }
 
     server.mainthread = pthread_self();
     server.devnull = fopen("/dev/null","w");

src/redis.h

@@ -371,6 +371,7 @@ struct redisServer {
     char *requirepass;
     int rdbcompression;
     int activerehashing;
+    int dumpcore;
     /* Replication related */
     int isslave;
     char *masterauth;