Inmemory metadata mode

2019-12-02 15:42:42 +03:00
parent f4d06ba102
commit 76caecf7c7
7 changed files with 67 additions and 33 deletions
@@ -58,8 +58,9 @@
 #define IS_DELETE(st) (st >= ST_DEL_SUBMITTED && st <= ST_DEL_STABLE)
 #define IS_UNSYNCED(st) (st >= ST_J_SUBMITTED && st <= ST_J_WRITTEN || st >= ST_D_SUBMITTED && st <= ST_D_META_WRITTEN || st >= ST_DEL_SUBMITTED && st <= ST_DEL_WRITTEN)

-// Default object size is 128 KB
+// Default block size is 128 KB, current allowed range is 4K - 128M
 #define DEFAULT_ORDER 17
+#define MIN_BLOCK_SIZE 4*1024
 #define MAX_BLOCK_SIZE 128*1024*1024
 #define DISK_ALIGNMENT 512

@@ -272,6 +273,8 @@ class blockstore

    bool readonly = false;
    bool disable_fsync = false;
+    bool inmemory_meta = false;
+    void *metadata_buffer = NULL;

    struct journal_t journal;
    journal_flusher_t *flusher;