net.core.rmem_default =262144# The default setting of the socket receive buffer in bytes.net.core.rmem_max =4194304# The maximum receive socket buffer size in bytesnet.core.wmem_default =262144# The default setting (in bytes) of the socket send buffer.net.core.wmem_max =4194304# The maxi...
Memory used:2047000KbytesSettings: effective_cache_size=8GB; gp_statistics_use_fkeys=onOptimizer status: legacy query optimizer Total runtime:8.015ms (12rows) 5、保护代码如下 src/backend/executor/functions.c 110/**111* Walker for querytree_safe_for_segment.112*/113bool querytree_safe_for_segme...
effective_cache_size = 100GB # 调整为与内存一样大, 或者略小(减去shared_buffer). 用来评估OS PAGE CACHE可以用到的内存大小. log_destination = 'csvlog' logging_collector = on log_truncate_on_rotation = on log_rotation_size = 10MB log_min_duration_statement = 1s ...
#cpu_operator_cost=0.0025# same scaleasabove #effective_cache_size=4GB #- Genetic Query Optimizer -#geqo=on #geqo_threshold=12#geqo_effort=5# range1-10#geqo_pool_size=0# selectsdefaultbased on effort #geqo_generations=0# selectsdefaultbased on effort #geqo_selection_bias=2.0# range1.5-2....
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[lw] pg_settings_block_size:设置块大小[lw] pg_settings_bonjour:设置卓悦[lw] pg_settings_check_function_bodies:设置检查函数体[lw] pg_settings_checkpoint_completion_target:设置检查点完成目标[lw] pg_settings_checkpoint_flush_after_bytes:字节后设置检查点刷新[lw] pg_settings_checkpoint_timeout_...
2、pg_strom.ccache_num_builders 设置BUILD workers(开多少个并行BUILD CACHE的进程)pg_strom.ccache_num_builders=4 3、pg_strom.ccache_databases 设置哪些数据库需要BUILD 列存缓存pg_strom.ccache_databases='postgres,template1' pg_ctl restart -m fast 4、pgstrom_ccache_enabled(regclass) 函数,BUILD 列...
archive_command失败或wal_keep_segments设置过高,当然replication slot不再使用的历史复制槽pg_replication_slots.active=f存在的话,Wal日志也不会自动删除,这是因为replication slot复制插槽提供了一种自动的方法来确保主服务器在所有备用服务器接收到WAL段之前不会删除WAL段,从而导致Wal日志超过max_wal_size,以至于Wal...
Optimized Reads Instance Type vCPUs Memory (GB) Table/Index Size (GB) Shared_Bufferpool_Size (GB) NVMe_Cache_Size (GB) Monthly Cost (us-east-1) Yes R6gd-12xlarge 48 384 614/781 250 1,500 $7,008 Yes R6gd-16xlarge 64 512 614/781 322 2,100 $9,345 No R6...
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