#openGauss #入门 #安装 #数据库 #开源
知识来源：docs-opengauss.osinfra.cn/zh/
logging_module
参数说明： 用于设置或者显示模块日志在服务端的可输出性。该参数属于会话级参数，不建议通过gs_guc工具来设置。
该参数属于USERSET类型参数，设置请参考表1中对应设置的方法进行设置。
取值范围： 字符串
默认值： 所有模块日志在服务端是不输出的，可由SHOW logging_module查看：
ALL,on(),off(COMMAND,GUC,GSCLEAN,SLRU,MEM_CTL,AUTOVAC,CACHE,ADIO,SSL,GDS,TBLSPC,WLM,OBS,INDEX,EXECUTOR,OPFUSION,GPC,GSC,VEC_EXECUTOR,STREAM,LL
VM,OPT,OPT_REWRITE,OPT_JOIN,OPT_AGG,OPT_CHOICE,OPT_SUBPLAN,OPT_SETOP,OPT_SKEW,OPT_PLANNER,UDF,COOP_ANALYZE,WLMCP,ACCELERATE,MOT,PLANHINT,PARQUET,PGSTAT,
SNAPSHOT,XACT,HANDLE,CLOG,EC,REMOTE,CN_RETRY,PLSQL,TEXTSEARCH,SEQ,REDO,FUNCTION,PARSER,INSTR,WDR_SNAPSHOT,INCRE_CKPT,INCRE_BG_WRITER,DBL_WRT,RTO_RPO,
HEARTBEAT,COMM_IPC,COMM_PARAM,TIMESERIES,SCHEMA,SEGMENT_PAGE,LIGHTPROXY,HOTKEY,THREAD_POOL,OPT_AI,WALRECEIVER,USTORE,UNDO,TIMECAPSULE,GEN_COL,DCF,DB4AI,PLDEBUGGER,ADVIS
OR,SEC,SEC_FE,SEC_LEGER,SEC_POLICY,SEC_SDD,SEC_TDE,COMM_PROXY,COMM_POOLER,VACUUM,JOB,SPI,NEST_COMPILE,RESOWNER,LOGICAL_DECODE,GPRC,DISASTER_READ,REPSYNC,SQLPATCH,PARTITION)
设置方法：首先，可以通过SHOW logging_module来查看哪些模块是支持可控制的。例如，查询输出结果为：
openGauss=# show logging_module;
logging_module
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ALL,on(),off(COMMAND,GUC,GSCLEAN,SLRU,MEM_CTL,AUTOVAC,CACHE,ADIO,SSL,GDS,TBLSPC,WLM,OBS,INDEX,EXECUTOR,OPFUSION,GPC,GSC,VEC_EXECUTOR,STREAM,LL
VM,OPT,OPT_REWRITE,OPT_JOIN,OPT_AGG,OPT_CHOICE,OPT_SUBPLAN,OPT_SETOP,OPT_SKEW,OPT_PLANNER,UDF,COOP_ANALYZE,WLMCP,ACCELERATE,MOT,PLANHINT,PARQUET,PGSTAT,
SNAPSHOT,XACT,HANDLE,CLOG,EC,REMOTE,CN_RETRY,PLSQL,TEXTSEARCH,SEQ,REDO,FUNCTION,PARSER,INSTR,WDR_SNAPSHOT,INCRE_CKPT,INCRE_BG_WRITER,DBL_WRT,RTO_RPO,
HEARTBEAT,COMM_IPC,COMM_PARAM,TIMESERIES,SCHEMA,SEGMENT_PAGE,LIGHTPROXY,HOTKEY,THREAD_POOL,OPT_AI,WALRECEIVER,USTORE,UNDO,TIMECAPSULE,GEN_COL,DCF,DB4AI,PLDEBUGGER,ADVIS
OR,SEC,SEC_FE,SEC_LEGER,SEC_POLICY,SEC_SDD,SEC_TDE,COMM_PROXY,COMM_POOLER,VACUUM,JOB,SPI,NEST_COMPILE,RESOWNER,LOGICAL_DECODE,GPRC,DISASTER_READ,REPSYNC,SQLPATCH,PARTITION)
(1 row)
支持可控制的模块使用大写来标识，特殊标识ALL用于对所有模块日志进行设置。可以使用on/off来控制模块日志的输出。设置SSL模块日志为可输出，使用如下命令：
openGauss=# set logging_module='on(SSL)';
SET
openGauss=# show logging_module; logging_module
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ALL,on(SSL),off(COMMAND,GUC,GSCLEAN,SLRU,MEM_CTL,AUTOVAC,CACHE,ADIO,GDS,TBLSPC,WLM,OBS,INDEX,EXECUTOR,OPFUSION,GPC,GSC,VEC_EXECUTOR,STREAM,LLV
M,OPT,OPT_REWRITE,OPT_JOIN,OPT_AGG,OPT_CHOICE,OPT_SUBPLAN,OPT_SETOP,OPT_SKEW,OPT_PLANNER,UDF,COOP_ANALYZE,WLMCP,ACCELERATE,MOT,PLANHINT,PARQUET,PGSTAT,
SNAPSHOT,XACT,HANDLE,CLOG,EC,REMOTE,CN_RETRY,PLSQL,TEXTSEARCH,SEQ,REDO,FUNCTION,PARSER,INSTR,WDR_SNAPSHOT,INCRE_CKPT,INCRE_BG_WRITER,DBL_WRT,RTO_RPO,H
EARTBEAT,COMM_IPC,COMM_PARAM,TIMESERIES,SCHEMA,SEGMENT_PAGE,LIGHTPROXY,HOTKEY,THREAD_POOL,OPT_AI,WALRECEIVER,USTORE,UNDO,TIMECAPSULE,GEN_COL,DCF,DB4AI,PLDEBUGGER,ADVISO
R,SEC,SEC_FE,SEC_LEGER,SEC_POLICY,SEC_SDD,SEC_TDE,COMM_PROXY,COMM_POOLER,VACUUM,JOB,SPI,NEST_COMPILE,RESOWNER,LOGICAL_DECODE,GPRC,DISASTER_READ,REPSYNC,SQLPATCH,PARTITION)
(1 row)
可以看到模块SSL的日志输出被打开。
ALL标识是相当于一个快捷操作，即对所有模块的日志可输出进行开启或关闭。
openGauss=# set logging_module='off(ALL)';
SET
openGauss=# show logging_module; logging_module
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ALL,on(),off(COMMAND,GUC,GSCLEAN,SLRU,MEM_CTL,AUTOVAC,CACHE,ADIO,SSL,GDS,TBLSPC,WLM,OBS,INDEX,EXECUTOR,OPFUSION,GPC,GSC,VEC_EXECUTOR,STREAM,LL
VM,OPT,OPT_REWRITE,OPT_JOIN,OPT_AGG,OPT_CHOICE,OPT_SUBPLAN,OPT_SETOP,OPT_SKEW,OPT_PLANNER,UDF,COOP_ANALYZE,WLMCP,ACCELERATE,MOT,PLANHINT,PARQUET,PGSTAT,
SNAPSHOT,XACT,HANDLE,CLOG,EC,REMOTE,CN_RETRY,PLSQL,TEXTSEARCH,SEQ,REDO,FUNCTION,PARSER,INSTR,WDR_SNAPSHOT,INCRE_CKPT,INCRE_BG_WRITER,DBL_WRT,RTO_RPO,
HEARTBEAT,COMM_IPC,COMM_PARAM,TIMESERIES,SCHEMA,SEGMENT_PAGE,LIGHTPROXY,HOTKEY,THREAD_POOL,OPT_AI,WALRECEIVER,USTORE,UNDO,TIMECAPSULE,GEN_COL,DCF,DB4AI,PLDEBUGGER,ADVIS
OR,SEC,SEC_FE,SEC_LEGER,SEC_POLICY,SEC_SDD,SEC_TDE,COMM_PROXY,COMM_POOLER,VACUUM,JOB,SPI,NEST_COMPILE,RESOWNER,LOGICAL_DECODE,GPRC,DISASTER_READ,REPSYNC,SQLPATCH,PARTITION)
(1 row)
openGauss=# set logging_module='on(ALL)';
SET
openGauss=# show logging_module; logging_module
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ALL,on(COMMAND,GUC,GSCLEAN,SLRU,MEM_CTL,AUTOVAC,CACHE,ADIO,SSL,GDS,TBLSPC,WLM,OBS,INDEX,EXECUTOR,OPFUSION,GPC,GSC,VEC_EXECUTOR,STREAM,LLVM,OPT
,OPT_REWRITE,OPT_JOIN,OPT_AGG,OPT_CHOICE,OPT_SUBPLAN,OPT_SETOP,OPT_SKEW,OPT_PLANNER,UDF,COOP_ANALYZE,WLMCP,ACCELERATE,MOT,PLANHINT,PARQUET,PGSTAT,
SNAPSHOT,XACT,HANDLE,CLOG,EC,REMOTE,CN_RETRY,PLSQL,TEXTSEARCH,SEQ,REDO,FUNCTION,PARSER,INSTR,WDR_SNAPSHOT,INCRE_CKPT,INCRE_BG_WRITER,DBL_WRT,RTO_RPO,HEARTB
EAT,COMM_IPC,COMM_PARAM,TIMESERIES,SCHEMA,SEGMENT_PAGE,LIGHTPROXY,HOTKEY,THREAD_POOL,OPT_AI,WALRECEIVER,USTORE,UNDO,TIMECAPSULE,GEN_COL,DCF,DB4AI,PLDEBUGGER,ADVISOR,SEC
,SEC_FE,SEC_LEGER,SEC_POLICY,SEC_SDD,SEC_TDE,COMM_PROXY,COMM_POOLER,VACUUM,JOB,SPI,NEST_COMPILE,RESOWNER,LOGICAL_DECODE,GPRC,DISASTER_READ,REPSYNC,SQLPATCH,PARTITION),off()
(1 row)
依赖关系：该参数依赖于log_min_messages参数的设置。
#openGauss #入门 #安装 #数据库 #开源
