diff options
| -rw-r--r-- | doc/src/sgml/config.sgml | 2 | ||||
| -rw-r--r-- | src/backend/storage/buffer/freelist.c | 2 | ||||
| -rw-r--r-- | src/backend/utils/init/globals.c | 2 | ||||
| -rw-r--r-- | src/backend/utils/misc/guc_tables.c | 2 | ||||
| -rw-r--r-- | src/backend/utils/misc/postgresql.conf.sample | 2 |
5 files changed, 5 insertions, 5 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index 624518e0b01..d8e1282e128 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -1961,7 +1961,7 @@ include_dir 'conf.d' valid sizes range from <literal>128 kB</literal> to <literal>16 GB</literal>. If the specified size would exceed 1/8 the size of <varname>shared_buffers</varname>, the size is silently capped - to that value. The default value is <literal>256 kB</literal>. If + to that value. The default value is <literal>2MB</literal>. If this value is specified without units, it is taken as kilobytes. This parameter can be set at any time. It can be overridden for <xref linkend="sql-vacuum"/> and <xref linkend="sql-analyze"/> diff --git a/src/backend/storage/buffer/freelist.c b/src/backend/storage/buffer/freelist.c index de2ef1dd5e6..19797de31a9 100644 --- a/src/backend/storage/buffer/freelist.c +++ b/src/backend/storage/buffer/freelist.c @@ -561,7 +561,7 @@ GetAccessStrategy(BufferAccessStrategyType btype) ring_size_kb = 16 * 1024; break; case BAS_VACUUM: - ring_size_kb = 256; + ring_size_kb = 2048; break; default: diff --git a/src/backend/utils/init/globals.c b/src/backend/utils/init/globals.c index 3e38bb1311d..cc61937eef7 100644 --- a/src/backend/utils/init/globals.c +++ b/src/backend/utils/init/globals.c @@ -143,7 +143,7 @@ int max_parallel_workers = 8; int MaxBackends = 0; /* GUC parameters for vacuum */ -int VacuumBufferUsageLimit = 256; +int VacuumBufferUsageLimit = 2048; int VacuumCostPageHit = 1; int VacuumCostPageMiss = 2; diff --git a/src/backend/utils/misc/guc_tables.c b/src/backend/utils/misc/guc_tables.c index c12784cbec8..7d4e4387cf5 100644 --- a/src/backend/utils/misc/guc_tables.c +++ b/src/backend/utils/misc/guc_tables.c @@ -2275,7 +2275,7 @@ struct config_int ConfigureNamesInt[] = GUC_UNIT_KB }, &VacuumBufferUsageLimit, - 256, 0, MAX_BAS_VAC_RING_SIZE_KB, + 2048, 0, MAX_BAS_VAC_RING_SIZE_KB, check_vacuum_buffer_usage_limit, NULL, NULL }, diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample index baecde28410..2166ea4a87a 100644 --- a/src/backend/utils/misc/postgresql.conf.sample +++ b/src/backend/utils/misc/postgresql.conf.sample @@ -166,7 +166,7 @@ # mmap # (change requires restart) #min_dynamic_shared_memory = 0MB # (change requires restart) -#vacuum_buffer_usage_limit = 256kB # size of vacuum and analyze buffer access strategy ring; +#vacuum_buffer_usage_limit = 2MB # size of vacuum and analyze buffer access strategy ring; # 0 to disable vacuum buffer access strategy; # range 128kB to 16GB |