diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/access/hash.h | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/include/access/hash.h b/src/include/access/hash.h index 7fa868b556b..72fce3038c0 100644 --- a/src/include/access/hash.h +++ b/src/include/access/hash.h @@ -158,8 +158,7 @@ typedef HashScanOpaqueData *HashScanOpaque; #define HASH_METAPAGE 0 /* metapage is always block 0 */ #define HASH_MAGIC 0x6440640 -#define HASH_VERSION 3 /* 3 signifies multi-phased bucket allocation - * to reduce doubling */ +#define HASH_VERSION 4 /* * spares[] holds the number of overflow pages currently allocated at or @@ -182,10 +181,10 @@ typedef HashScanOpaqueData *HashScanOpaque; * after HASH_SPLITPOINT_GROUPS_WITH_ONE_PHASE). * * There is no particular upper limit on the size of mapp[], other than - * needing to fit into the metapage. (With 8K block size, 128 bitmaps - * limit us to 64 GB of overflow space...) + * needing to fit into the metapage. (With 8K block size, 1024 bitmaps + * limit us to 256 GB of overflow space...) */ -#define HASH_MAX_BITMAPS 128 +#define HASH_MAX_BITMAPS 1024 #define HASH_SPLITPOINT_PHASE_BITS 2 #define HASH_SPLITPOINT_PHASES_PER_GRP (1 << HASH_SPLITPOINT_PHASE_BITS) |