Merge branch 'issue327' into unstable

[redis.git] / src / aof.c

diff --git a/src/aof.c b/src/aof.c
index c50611b9e57be14871681b12ab400d17b56d865e..0bdcd9edba9b6eabfb1a9d63cb9038363c632858 100644 (file)
--- a/src/aof.c
+++ b/src/aof.c
@@ -31,6 +31,8 @@ void stopAppendOnly(void) {
     if (server.aof_child_pid != -1) {
         int statloc;
 
+        redisLog(REDIS_NOTICE,"Killing running AOF rewrite child: %ld",
+            (long) server.aof_child_pid);
         if (kill(server.aof_child_pid,SIGKILL) != -1)
             wait3(&statloc,0,NULL);
         /* reset the buffer accumulating changes while the child saves */
@@ -126,7 +128,12 @@ void flushAppendOnlyFile(int force) {
         if (nwritten == -1) {
             redisLog(REDIS_WARNING,"Exiting on error writing to the append-only file: %s",strerror(errno));
         } else {
-            redisLog(REDIS_WARNING,"Exiting on short write while writing to the append-only file: %s",strerror(errno));
+            redisLog(REDIS_WARNING,"Exiting on short write while writing to "
+                                   "the append-only file: %s (nwritten=%ld, "
+                                   "expected=%ld)",
+                                   strerror(errno),
+                                   (long)nwritten,
+                                   (long)sdslen(server.aof_buf));
         }
         exit(1);
     }
@@ -144,7 +151,7 @@ void flushAppendOnlyFile(int force) {
     /* Don't fsync if no-appendfsync-on-rewrite is set to yes and there are
      * children doing I/O in the background. */
     if (server.aof_no_fsync_on_rewrite &&
-        (server.aof_child_pid != -1 || server.bgsavechildpid != -1))
+        (server.aof_child_pid != -1 || server.rdb_child_pid != -1))
             return;
 
     /* Perform the fsync if needed. */
@@ -288,6 +295,8 @@ struct redisClient *createFakeClient(void) {
      * so that Redis will not try to send replies to this client. */
     c->replstate = REDIS_REPL_WAIT_BGSAVE_START;
     c->reply = listCreate();
+    c->reply_bytes = 0;
+    c->obuf_soft_limit_reached_time = 0;
     c->watched_keys = listCreate();
     listSetFreeMethod(c->reply,decrRefCount);
     listSetDupMethod(c->reply,dupClientReplyValue);
@@ -671,7 +680,7 @@ int rewriteAppendOnlyFile(char *filename) {
     snprintf(tmpfile,256,"temp-rewriteaof-%d.aof", (int) getpid());
     fp = fopen(tmpfile,"w");
     if (!fp) {
-        redisLog(REDIS_WARNING, "Failed rewriting the append only file: %s", strerror(errno));
+        redisLog(REDIS_WARNING, "Opening the temp file for AOF rewrite in rewriteAppendOnlyFile(): %s", strerror(errno));
         return REDIS_ERR;
     }
 
@@ -815,7 +824,7 @@ int rewriteAppendOnlyFileBackground(void) {
 void bgrewriteaofCommand(redisClient *c) {
     if (server.aof_child_pid != -1) {
         addReplyError(c,"Background append only file rewriting already in progress");
-    } else if (server.bgsavechildpid != -1) {
+    } else if (server.rdb_child_pid != -1) {
         server.aof_rewrite_scheduled = 1;
         addReplyStatus(c,"Background append only file rewriting scheduled");
     } else if (rewriteAppendOnlyFileBackground() == REDIS_OK) {
@@ -835,12 +844,12 @@ void aofRemoveTempFile(pid_t childpid) {
 /* Update the server.aof_current_size filed explicitly using stat(2)
  * to check the size of the file. This is useful after a rewrite or after
  * a restart, normally the size is updated just adding the write length
- * to the current lenght, that is much faster. */
+ * to the current length, that is much faster. */
 void aofUpdateCurrentSize(void) {
     struct redis_stat sb;
 
     if (redis_fstat(server.aof_fd,&sb) == -1) {
-        redisLog(REDIS_WARNING,"Unable to check the AOF length: %s",
+        redisLog(REDIS_WARNING,"Unable to obtain the AOF file length. stat: %s",
             strerror(errno));
     } else {
         server.aof_current_size = sb.st_size;
@@ -929,7 +938,7 @@ void backgroundRewriteDoneHandler(int exitcode, int bysignal) {
          * it exists, because we reference it with "oldfd". */
         if (rename(tmpfile,server.aof_filename) == -1) {
             redisLog(REDIS_WARNING,
-                "Error trying to rename the temporary AOF: %s", strerror(errno));
+                "Error trying to rename the temporary AOF file: %s", strerror(errno));
             close(newfd);
             if (oldfd != -1) close(oldfd);
             goto cleanup;
@@ -957,7 +966,7 @@ void backgroundRewriteDoneHandler(int exitcode, int bysignal) {
             server.aof_buf = sdsempty();
         }
 
-        redisLog(REDIS_NOTICE, "Background AOF rewrite successful");
+        redisLog(REDIS_NOTICE, "Background AOF rewrite finished successfully");
         /* Change state from WAIT_REWRITE to ON if needed */
         if (server.aof_state == REDIS_AOF_WAIT_REWRITE)
             server.aof_state = REDIS_AOF_ON;