DB2入门(5)——DB2配置文件
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那我想要了解DB2中的一些参数,所以想看看db2的配置文件,类似于mysql中的my.cnf,postgresql中的postgresql.conf的地位的文件。
参考文章1:DB2数据库日志目录重要配置文件说明
DB2数据库日志目录重要配置文件说明
1.SQLDBCONF :数据库参数配置文件,使用 get db cfg/update db cfg 读取和修改数据。
2.SQLBP.*:缓冲池控制文件,使用 alter bufferpool 控制。
3.SQLSPCS.*:表空间控制文件,使用list/alter tablespace控制。
4.db2rhist.asc:数据库历史文件,使用LIST HISTORY浏览。
SQLOGCTL.LFH.*:数据库日志控制文件,无法浏览或人工修改。
参考文章2:DB2配置
DB2可以在四个不同层面配置:
1.系统环境变量(System Environment Variable)
系统环境变量用来配置DB2的使用环境:
[db2inst1@localhost NODE0000]$ set | grep DB2DB2DIR=/opt/ibm/db2/V11.1 --DB2的安装目录DB2INSTANCE=db2inst1 --当前活动的实例DB2LIB=/home/db2inst1/sqllib/libDB2_HOME=/home/db2inst1/sqllibDB2_NET_CLIENT_PATH=
DB2INSTANCE环境变量介绍:
如果一个系统中有多个实例,那么如何在各个实例之间进行切换以及如何同时启动多个实例呢?这就需要DB2INSTANCE环境变量。环境变量是操作系统层面的,是在操作系统级别上定义的变量。最常使用的DB2环境变量是DB2INSTANCE。该环境变量运行您指定当前活动实例,所有命令都将 应用于该实例。
配置实例
每个实例创建后,都有一个实例配置文件(db2system),这个实例配置文件控制实例的安全、通信、管理和资源的分配。我们可以根据需要来查看、更改和复位这个配置参数。这个配置文件是二进制的,只能通过命令来修改。
可以使用db2 get dbm cfg
命令来查看当前实例配置参数。
db2 get dbm cfg
命令显示的是在安装产品期间指定为默认配置参数的当前值,或在先前更新配置参数期间指定的那些值。
可以使用db2 update dbm cfg using ..
来更新实例配置文件。
2.DB2概要文件注册表(profile registry)
有两种DB2概要文件注册表变量,一种是全局概要文件注册表变量,另一种是实例概要文件注册表变量。全局概要文件注册表变量影响所有的实例,实例概要文件注册表变量只影响特定的实例。它们的名称是相同的。DB2使用db2set命令来管理这些变量。DB2概要文件注册表非常多,但我们通常设置的却常少,如下:
显示所有DB2概要文件注册表变量:db2set -lr 显示当前设置的所有DB2概要文件注册表变量:db2set -all 帮助:db2set -? 设置变量:db2set <parameter>=<value> 常用的DB2概要文件注册表变量 DB2COMM DB2SYSTEM DB2INSTDEF DB2ADMINSERVER
- DB2 全局注册变量参数DB2ADMINSERVER定义了管理DB2数据库服务器的DAS(Database Administration Server):
[db2inst1@localhost NODE0000]$ db2set -all | grep ADMINSERVER[g] DB2ADMINSERVER=db2dasusr1
要启动或停止DAS,使用命令
db2admin start|stop
配置管理服务器:
查看:
[db2inst1@localhost NODE0000]$ db2 get admin cfg Admin Server Configuration Authentication Type DAS (AUTHENTICATION) = SERVER_ENCRYPT DAS Administration Authority Group Name (DASADM_GROUP) = DAS Discovery Mode (DISCOVER) = SEARCH Name of the DB2 Server System (DB2SYSTEM) = BOGON Java Development Kit Installation Path DAS (JDK_PATH) = AUTOMATIC (/home/db2dasusr1/das/java/jdk) Java Development Kit Installation Path DAS (JDK_64_PATH) = AUTOMATIC (/home/db2dasusr1/das/java/jdk) DAS Code Page (DAS_CODEPAGE) = 0 DAS Territory (DAS_TERRITORY) = 0 Location of Contact List (CONTACT_HOST) = Execute Expired Tasks (EXEC_EXP_TASK) = NO Scheduler Mode (SCHED_ENABLE) = OFF SMTP Server (SMTP_SERVER) = Tools Catalog Database (TOOLSCAT_DB) = Tools Catalog Database Instance (TOOLSCAT_INST) = Tools Catalog Database Schema (TOOLSCAT_SCHEMA) = Scheduler User ID = Diagnostic error capture level (DIAGLEVEL) = 3
更新:
db2 update admin cfg using
3.数据库管理器配置(Database Manager Configuration)
以下参数用来配置实例:
查询命令:db2 get dbm cfg
设置命令:db2 update dbm cfg using <parameter_name> <value>
[db2inst1@localhost NODE0000]$ db2 get dbm cfg Database Manager Configuration Node type = Database Server with local and remote clients Database manager configuration release level = 0x1400 CPU speed (millisec/instruction) (CPUSPEED) = 1.771291e-07 Max number of concurrently active databases (NUMDB) = 32 Federated Database System Support (FEDERATED) = NO Transaction processor monitor name (TP_MON_NAME) = Default charge-back account (DFT_ACCOUNT_STR) = Java Development Kit installation path (JDK_PATH) = /home/db2inst1/sqllib/java/jdk64 Diagnostic error capture level (DIAGLEVEL) = 3 Notify Level (NOTIFYLEVEL) = 3 Diagnostic data directory path (DIAGPATH) = /home/db2inst1/sqllib/db2dump/ Current member resolved DIAGPATH = /home/db2inst1/sqllib/db2dump/ Alternate diagnostic data directory path (ALT_DIAGPATH) = Current member resolved ALT_DIAGPATH = Size of rotating db2diag & notify logs (MB) (DIAGSIZE) = 0 Default database monitor switches Buffer pool (DFT_MON_BUFPOOL) = OFF Lock (DFT_MON_LOCK) = OFF Sort (DFT_MON_SORT) = OFF Statement (DFT_MON_STMT) = OFF Table (DFT_MON_TABLE) = OFF Timestamp (DFT_MON_TIMESTAMP) = ON Unit of work (DFT_MON_UOW) = OFF Monitor health of instance and databases (HEALTH_MON) = OFF SYSADM group name (SYSADM_GROUP) = DB2IADM1 SYSCTRL group name (SYSCTRL_GROUP) = SYSMAINT group name (SYSMAINT_GROUP) = SYSMON group name (SYSMON_GROUP) = Client Userid-Password Plugin (CLNT_PW_PLUGIN) = Client Kerberos Plugin (CLNT_KRB_PLUGIN) = Group Plugin (GROUP_PLUGIN) = GSS Plugin for Local Authorization (LOCAL_GSSPLUGIN) = Server Plugin Mode (SRV_PLUGIN_MODE) = UNFENCED Server List of GSS Plugins (SRVCON_GSSPLUGIN_LIST) = Server Userid-Password Plugin (SRVCON_PW_PLUGIN) = Server Connection Authentication (SRVCON_AUTH) = NOT_SPECIFIED Cluster manager = Database manager authentication (AUTHENTICATION) = SERVER Alternate authentication (ALTERNATE_AUTH_ENC) = NOT_SPECIFIED Cataloging allowed without authority (CATALOG_NOAUTH) = NO Trust all clients (TRUST_ALLCLNTS) = YES Trusted client authentication (TRUST_CLNTAUTH) = CLIENT Bypass federated authentication (FED_NOAUTH) = NO Default database path (DFTDBPATH) = /home/db2inst1 Database monitor heap size (4KB) (MON_HEAP_SZ) = AUTOMATIC(90) Java Virtual Machine heap size (4KB) (JAVA_HEAP_SZ) = 2048 Audit buffer size (4KB) (AUDIT_BUF_SZ) = 0 Global instance memory (% or 4KB) (INSTANCE_MEMORY) = AUTOMATIC(250188) Member instance memory (% or 4KB) = GLOBAL Agent stack size (AGENT_STACK_SZ) = 1024 Sort heap threshold (4KB) (SHEAPTHRES) = 0 Directory cache support (DIR_CACHE) = YES Application support layer heap size (4KB) (ASLHEAPSZ) = 15 Max requester I/O block size (bytes) (RQRIOBLK) = 65535 Workload impact by throttled utilities(UTIL_IMPACT_LIM) = 10 Priority of agents (AGENTPRI) = SYSTEM Agent pool size (NUM_POOLAGENTS) = AUTOMATIC(100) Initial number of agents in pool (NUM_INITAGENTS) = 0 Max number of coordinating agents (MAX_COORDAGENTS) = AUTOMATIC(200) Max number of client connections (MAX_CONNECTIONS) = AUTOMATIC(MAX_COORDAGENTS) Keep fenced process (KEEPFENCED) = YES Number of pooled fenced processes (FENCED_POOL) = AUTOMATIC(MAX_COORDAGENTS) Initial number of fenced processes (NUM_INITFENCED) = 0 Index re-creation time and redo index build (INDEXREC) = RESTART Transaction manager database name (TM_DATABASE) = 1ST_CONN Transaction resync interval (sec) (RESYNC_INTERVAL) = 180 SPM name (SPM_NAME) = localhos SPM log size (SPM_LOG_FILE_SZ) = 256 SPM resync agent limit (SPM_MAX_RESYNC) = 20 SPM log path (SPM_LOG_PATH) = TCP/IP Service name (SVCENAME) = 50000 Discovery mode (DISCOVER) = SEARCH Discover server instance (DISCOVER_INST) = ENABLE SSL server keydb file (SSL_SVR_KEYDB) = SSL server stash file (SSL_SVR_STASH) = SSL server certificate label (SSL_SVR_LABEL) = SSL service name (SSL_SVCENAME) = SSL cipher specs (SSL_CIPHERSPECS) = SSL versions (SSL_VERSIONS) = SSL client keydb file (SSL_CLNT_KEYDB) = SSL client stash file (SSL_CLNT_STASH) = Maximum query degree of parallelism (MAX_QUERYDEGREE) = ANY Enable intra-partition parallelism (INTRA_PARALLEL) = NO Number of FCM buffers (FCM_NUM_BUFFERS) = AUTOMATIC(1024) FCM buffer size (FCM_BUFFER_SIZE) = 32768 Number of FCM channels (FCM_NUM_CHANNELS) = AUTOMATIC(512) db2start/db2stop timeout (min) (START_STOP_TIME) = 10 WLM dispatcher enabled (WLM_DISPATCHER) = NO WLM dispatcher concurrency (WLM_DISP_CONCUR) = COMPUTED WLM dispatcher CPU shares enabled (WLM_DISP_CPU_SHARES) = NO WLM dispatcher min. utilization (%) (WLM_DISP_MIN_UTIL) = 5 Communication buffer exit library list (COMM_EXIT_LIST) = Current effective arch level (CUR_EFF_ARCH_LVL) = V:11 R:1 M:1 F:1 I:0 SB:0 Current effective code level (CUR_EFF_CODE_LVL) = V:11 R:1 M:1 F:1 I:0 SB:0 Keystore type (KEYSTORE_TYPE) = NONE Keystore location (KEYSTORE_LOCATION) =
管理(Administration) AUTHENTICATION:数据库管理器认证(Database manager authentication) CATALOG_NOAUTH:没有权限就允许编目(Cataloging allowed without authority) CLNT_PW_PLUGIN:客户机用户标识-密码插件(Client Userid-Password Plugin) CLNT_KRB_PLUGIN:客户机 Kerberos 插件(Client Kerberos Plugin) CLUSTER_MGR:集群管理器(Cluster manager) DFTDBPATH:缺省数据库路径(Default database path) FED_NOAUTH:绕过联合认证(Bypass federated authentication) GROUP_PLUGIN:组插件(Group Plugin) LOCAL_GSSPLUGIN:本地授权的 GSS 插件(GSS Plugin for Local Authorization) SRV_PLUGIN_MODE:服务器插件方式(Server Plugin Mode) SRVCON_GSSPLUGIN_LIST:GSS 插件的服务器列表(Server List of GSS Plugins) SRVCON_PW_PLUGIN:服务器用户标识-密码插件(Server Userid-Password Plugin) SYSADM_GROUP:SYSADM 组名(SYSADM group name) SYSCTRL_GROUP:SYSCTRL 组名(SYSCTRL group name) SYSMAINT_GROUP:SYSMAINT 组名(SYSMAINT group name) SYSMON_GROUP:SYSMON 组名(SYSMON group name) TRUST_ALLCLNTS:信赖所有客户机(Trust all clients) TRUST_CLNTAUTH:可信的客户机认证(Trusted client authentication) 应用程序(Applications) AGENTPRI:代理程序的优先级(Priority of agents) FENCED_POOL:合用受防护的进程的数目(Number of pooled fenced processes) KEEPFENCED:保留受防护的进程(Keep fenced process) MAX_CONNECTIONS:最大客户机连接数(Max number of client connections) MAX_COORDAGENTS:最大协调代理程序数(Max number of coordinating agents) NUM_INITAGENTS:池中的初始代理程序数(Initial number of agents in pool) NUM_INITFENCED:受防护的进程的初始数目(Initial number of fenced processes) NUM_POOLAGENTS:代理程序池大小(Agent pool size) 通信(Communications) DISCOVER:发现方式(Discovery mode) SVCENAME:TCP/IP 服务名称(TCP/IP Service name) 诊断(Diagnostic) DIAGLEVEL:诊断错误捕获级别(Diagnostic error capture level) DIAGPATH:诊断数据目录路径(Diagnostic data directory path) INDEXREC:索引重新创建时间和重做索引构建(Index re-creation time and redo index build) NOTIFYLEVEL:通知级别(Notify Level) 环境(Environment) CPUSPEED:CPU 速度(毫秒/指令)(CPU speed (millisec/instruction)) DFT_ACCOUNT_STR:缺省对方付费帐户(Default charge-back account) DISCOVER_INST:发现服务器实例(Discover server instance) FEDERATED:联合数据库系统支持(Federated Database System Support) JDK_PATH:<a href="http://lib.csdn.net/base/17" class='replace_word' title="Java EE知识库" target='_blank' style='color:#df3434; font-weight:bold;'>Java</a> Development Kit 安装路径(Java Development Kit installation path) MAXTOTFILOP:最大打开文件数 NUMDB:最大并发活动数据库数(Max number of concurrently active databases) TM_DATABASE:事务管理器数据库名称(Transaction manager database name) TP_MON_NAME:事务处理器监视器名(Transaction processor monitor name) 监视(Monitor) DFT_MON_BUFPOOL:缓冲池(Buffer pool) DFT_MON_LOCK:锁定(Lock) DFT_MON_SORT:排序(Sort) DFT_MON_STMT:语句(Statement) DFT_MON_TABLE:表(Table) DFT_MON_TIMESTAMP:时间戳记(Timestamp) DFT_MON_UOW:工作单元(Unit of work) HEALTH_MON:监视实例和数据库的运行状况(Monitor health of instance and databases) 并行(Parallel) FCM_NUM_BUFFERS:内部通信缓冲区数(4KB)(No. of int. communication buffers(4KB)) INTRA_PARALLEL:启用分区内并行性(Enable intra-partition parallelism) MAX_QUERYDEGREE:最大查询并行度(Maximum query degree of parallelism) 性能(Performance) AGENT_STACK_SZ:代理程序的堆栈大小(Agent stack size) ASLHEAPSZ:应用程序支持层堆大小(4KB)(Application support layer heap size (4KB)) AUDIT_BUF_SZ:审计缓冲区大小(4KB)(Audit buffer size (4KB)) BACKBUFSZ:备份缓冲区缺省大小(4KB)(Backup buffer default size (4KB)) DIR_CACHE:目录高速缓存支持(Directory cache support) INSTANCE_MEMORY:实例共享内存(4KB)的大小(Size of instance shared memory (4KB)) JAVA_HEAP_SZ:Java 虚拟机”堆大小(4KB)(Java Virtual Machine heap size (4KB)) MON_HEAP_SZ:数据库监视器堆大小(4KB)(Database monitor heap size (4KB)) RESTBUFSZ:复原缓冲区缺省大小(4KB)(Restore buffer default size (4KB)) RESYNC_INTERVAL:事务再同步时间间隔(秒)(Transaction resync interval (sec)) RQRIOBLK:最大请求者 I/O 块大小(以字节计)(Max requester I/O block size (bytes)) SHEAPTHRES:排序堆阈值(4KB)(Sort heap threshold (4KB)) SPM_LOG_FILE_SZ:SPM 日志大小(SPM log size) SPM_LOG_PATH:SPM 日志路径(SPM log path) SPM_MAX_RESYNC:SPM 再同步代理程序限制(SPM resync agent limit) SPM_NAME:SPM 名称(SPM name) UTIL_IMPACT_LIM:已调速实用程序对工作负载的影响(Workload impact by throttled utilities)
4.数据库配置(db cfg)
以下参数用来配置数据库:
查询命令:db2 get db cfg for <database_name>
设置命令:db2 update db cfg for <database_name> using <parameter_name> <value>
恢复默认设置命令:db2 reset db cfg
[db2inst1@localhost NODE0000]$ db2 get db cfg for test Database Configuration for Database test Database configuration release level = 0x1400 Database release level = 0x1400 Database territory = US Database code page = 1208 Database code set = UTF-8 Database country/region code = 1 Database collating sequence = IDENTITY Alternate collating sequence (ALT_COLLATE) = Number compatibility = OFF Varchar2 compatibility = OFF Date compatibility = OFF Database page size = 4096 Statement concentrator (STMT_CONC) = OFF Discovery support for this database (DISCOVER_DB) = ENABLE Restrict access = NO Default query optimization class (DFT_QUERYOPT) = 5 Degree of parallelism (DFT_DEGREE) = 1 Continue upon arithmetic exceptions (DFT_SQLMATHWARN) = NO Default refresh age (DFT_REFRESH_AGE) = 0 Default maintained table types for opt (DFT_MTTB_TYPES) = SYSTEM Number of frequent values retained (NUM_FREQVALUES) = 10 Number of quantiles retained (NUM_QUANTILES) = 20 Decimal floating point rounding mode (DECFLT_ROUNDING) = ROUND_HALF_EVEN Backup pending = NO All committed transactions have been written to disk = NO Rollforward pending = NO Restore pending = NO Upgrade pending = NO Multi-page file allocation enabled = YES Log retain for recovery status = NO User exit for logging status = NO Self tuning memory (SELF_TUNING_MEM) = ON Size of database shared memory (4KB) (DATABASE_MEMORY) = AUTOMATIC(71427) Database memory threshold (DB_MEM_THRESH) = 100 Max storage for lock list (4KB) (LOCKLIST) = AUTOMATIC(4096) Percent. of lock lists per application (MAXLOCKS) = AUTOMATIC(60) Package cache size (4KB) (PCKCACHESZ) = AUTOMATIC(320) Sort heap thres for shared sorts (4KB) (SHEAPTHRES_SHR) = AUTOMATIC(5000) Sort list heap (4KB) (SORTHEAP) = AUTOMATIC(256) Database heap (4KB) (DBHEAP) = AUTOMATIC(2002) Catalog cache size (4KB) (CATALOGCACHE_SZ) = 135 Log buffer size (4KB) (LOGBUFSZ) = 974 Utilities heap size (4KB) (UTIL_HEAP_SZ) = AUTOMATIC(5000) SQL statement heap (4KB) (STMTHEAP) = AUTOMATIC(8192) Default application heap (4KB) (APPLHEAPSZ) = AUTOMATIC(256) Application Memory Size (4KB) (APPL_MEMORY) = AUTOMATIC(40000) Statistics heap size (4KB) (STAT_HEAP_SZ) = AUTOMATIC(4384) Interval for checking deadlock (ms) (DLCHKTIME) = 10000 Lock timeout (sec) (LOCKTIMEOUT) = -1 Changed pages threshold (CHNGPGS_THRESH) = 80 Number of asynchronous page cleaners (NUM_IOCLEANERS) = AUTOMATIC(1) Number of I/O servers (NUM_IOSERVERS) = AUTOMATIC(12) Sequential detect flag (SEQDETECT) = YES Default prefetch size (pages) (DFT_PREFETCH_SZ) = AUTOMATIC Track modified pages (TRACKMOD) = NO Default number of containers = 1 Default tablespace extentsize (pages) (DFT_EXTENT_SZ) = 32 Max number of active applications (MAXAPPLS) = AUTOMATIC(40) Average number of active applications (AVG_APPLS) = AUTOMATIC(1) Max DB files open per application (MAXFILOP) = 61440 Log file size (4KB) (LOGFILSIZ) = 1024 Number of primary log files (LOGPRIMARY) = 13 Number of secondary log files (LOGSECOND) = 12 Changed path to log files (NEWLOGPATH) = Path to log files = /home/db2inst1/db2inst1/NODE0000/SQL00001/LOGSTREAM0000/ Overflow log path (OVERFLOWLOGPATH) = Mirror log path (MIRRORLOGPATH) = First active log file = Block log on disk full (BLK_LOG_DSK_FUL) = NO Block non logged operations (BLOCKNONLOGGED) = NO Percent max primary log space by transaction (MAX_LOG) = 0 Num. of active log files for 1 active UOW(NUM_LOG_SPAN) = 0 Percent log file reclaimed before soft chckpt (SOFTMAX) = 0 Target for oldest page in LBP (PAGE_AGE_TRGT_MCR) = 240 HADR database role = STANDARD HADR local host name (HADR_LOCAL_HOST) = HADR local service name (HADR_LOCAL_SVC) = HADR remote host name (HADR_REMOTE_HOST) = HADR remote service name (HADR_REMOTE_SVC) = HADR instance name of remote server (HADR_REMOTE_INST) = HADR timeout value (HADR_TIMEOUT) = 120 HADR target list (HADR_TARGET_LIST) = HADR log write synchronization mode (HADR_SYNCMODE) = NEARSYNC HADR spool log data limit (4KB) (HADR_SPOOL_LIMIT) = AUTOMATIC(0) HADR log replay delay (seconds) (HADR_REPLAY_DELAY) = 0 HADR peer window duration (seconds) (HADR_PEER_WINDOW) = 0 First log archive method (LOGARCHMETH1) = OFF Archive compression for logarchmeth1 (LOGARCHCOMPR1) = OFF Options for logarchmeth1 (LOGARCHOPT1) = Second log archive method (LOGARCHMETH2) = OFF Archive compression for logarchmeth2 (LOGARCHCOMPR2) = OFF Options for logarchmeth2 (LOGARCHOPT2) = Failover log archive path (FAILARCHPATH) = Number of log archive retries on error (NUMARCHRETRY) = 5 Log archive retry Delay (secs) (ARCHRETRYDELAY) = 20 Vendor options (VENDOROPT) = Auto restart enabled (AUTORESTART) = ON Index re-creation time and redo index build (INDEXREC) = SYSTEM (RESTART) Log pages during index build (LOGINDEXBUILD) = OFF Default number of loadrec sessions (DFT_LOADREC_SES) = 1 Number of database backups to retain (NUM_DB_BACKUPS) = 12 Recovery history retention (days) (REC_HIS_RETENTN) = 366 Auto deletion of recovery objects (AUTO_DEL_REC_OBJ) = OFF TSM management class (TSM_MGMTCLASS) = TSM node name (TSM_NODENAME) = TSM owner (TSM_OWNER) = TSM password (TSM_PASSWORD) = Automatic maintenance (AUTO_MAINT) = ON Automatic database backup (AUTO_DB_BACKUP) = OFF Automatic table maintenance (AUTO_TBL_MAINT) = ON Automatic runstats (AUTO_RUNSTATS) = ON Real-time statistics (AUTO_STMT_STATS) = ON Statistical views (AUTO_STATS_VIEWS) = OFF Automatic sampling (AUTO_SAMPLING) = ON Automatic reorganization (AUTO_REORG) = OFF Auto-Revalidation (AUTO_REVAL) = DEFERRED Currently Committed (CUR_COMMIT) = ON CHAR output with DECIMAL input (DEC_TO_CHAR_FMT) = NEW Enable XML Character operations (ENABLE_XMLCHAR) = YES Monitor Collect Settings Request metrics (MON_REQ_METRICS) = BASE Activity metrics (MON_ACT_METRICS) = BASE Object metrics (MON_OBJ_METRICS) = EXTENDED Routine data (MON_RTN_DATA) = NONE Routine executable list (MON_RTN_EXECLIST) = OFF Unit of work events (MON_UOW_DATA) = NONE UOW events with package list (MON_UOW_PKGLIST) = OFF UOW events with executable list (MON_UOW_EXECLIST) = OFF Lock timeout events (MON_LOCKTIMEOUT) = NONE Deadlock events (MON_DEADLOCK) = WITHOUT_HIST Lock wait events (MON_LOCKWAIT) = NONE Lock wait event threshold (MON_LW_THRESH) = 5000000 Number of package list entries (MON_PKGLIST_SZ) = 32 Lock event notification level (MON_LCK_MSG_LVL) = 1 SMTP Server (SMTP_SERVER) = SQL conditional compilation flags (SQL_CCFLAGS) = Section actuals setting (SECTION_ACTUALS) = NONE Connect procedure (CONNECT_PROC) = Adjust temporal SYSTEM_TIME period (SYSTIME_PERIOD_ADJ) = NO Log DDL Statements (LOG_DDL_STMTS) = NO Log Application Information (LOG_APPL_INFO) = NO Default data capture on new Schemas (DFT_SCHEMAS_DCC) = NO Strict I/O for EXTBL_LOCATION (EXTBL_STRICT_IO) = NO Allowed paths for external tables (EXTBL_LOCATION) = /home/db2inst1 Default table organization (DFT_TABLE_ORG) = ROW Default string units (STRING_UNITS) = SYSTEM National character string mapping (NCHAR_MAPPING) = CHAR_CU32 Database is in write suspend state = NO Extended row size support (EXTENDED_ROW_SZ) = ENABLE Encryption Library for Backup (ENCRLIB) = Encryption Options for Backup (ENCROPTS) = WLM Collection Interval (minutes) (WLM_COLLECT_INT) = 0 Target agent load per CPU core (WLM_AGENT_LOAD_TRGT) = AUTOMATIC(11) WLM admission control enabled (WLM_ADMISSION_CTRL) = NO Allocated share of CPU resources (WLM_CPU_SHARES) = 1000 CPU share behavior (hard/soft) (WLM_CPU_SHARE_MODE) = HARD Maximum allowable CPU utilization (%) (WLM_CPU_LIMIT) = 0 Encrypted database = NO Procedural language stack trace (PL_STACK_TRACE) = NONE HADR SSL certificate label (HADR_SSL_LABEL) =
应用程序(Applications) LOCKTIMEOUT:锁定超时(秒)(Lock timeout (sec)) MAXAPPLS:最大活动应用程序数(Max number of active applications) AVG_APPLS:活动应用程序的平均数目(Average number of active applications) MAXFILOP:每个应用程序的最大打开数据库文件数(Max DB files open per application) DLCHKTIME:检查死锁的时间间隔(毫秒)(Interval for checking deadlock (ms)) MAXLOCKS:每个应用程序的锁定百分比列表(Percent. of lock lists per application) ENABLE_XMLCHAR:启用 XML 字符操作(Enable XML Character operations) WLM_COLLECT_INT:WLM 收集时间间隔(分钟)(WLM Collection Interval (minutes)) 环境(Environment) CODESET:数据库代码集(Database code set) TERRIRORY:数据库地域(Database territory) DFT_MTTB_TYPES:缺省维护的选项的表类型(Default maintained table types for opt) SELF_TUNING_MEM:自调整内存(Self tuning memory) DFT_SQLMATHWARN:在算术异常时继续(Continue upon arithmetic exceptions) RESTRICT_ACCESS:限制访问(Restrict access) COLLATION_SEQUENCE:数据库整理顺序(Database collating sequence) DISCOVER_DB:对此数据库的发现支持(Discovery support for this database) DYN_QUERY_MGMT:动态SQL查询管理(Dynamic SQL Query management) PAGE_SIZE:数据库页大小(Database page size) DFT_QUERYOPT:缺省查询优化类(Default query optimization class) CODEPAGE:数据库代码页(Database code page) DB_MEM_THRESH:数据库内存阈值(Database memory threshold) DFT_DEGREE:并行度(Degree of parallelism) COUNTRY:数据库国家/地区代码(Database country/region code) RELEASE:数据库配置发行版级别(Database configuration release level) DATABASE_LEVEL:数据库发行版级别(Database release level) DFT_REFRESH_AGE:缺省刷新有效期(Default refresh age) ALT_COLLATE:备用整理顺序(Alternate collating sequence) 日志(Logs) LOGARCHMETH1:第一个日志归档方法(First log archive method) LOGARCHMETH2:第二个日志归档方法(Second log archive method) LOGARCHOPT1:logarchmeth1的选项(Options for logarchmeth1) LOGARCHOPT2:logarchmeth2的选项(Options for logarchmeth2) LOGPRIMARY:主日志文件的数目(Number of primary log files) LOGSECOND:辅助日志文件的数目(Number of secondary log files) LOGFILSIZ:日志文件大小(4KB)(Log file size (4KB)) LOGPATH:日志文件路径(Path to log files) NEWLOGPATH:已更改的至日志文件的路径(Changed path to log files) OVERFLOWLOGPATH:溢出日志路径(Overflow log path) MIRRORLOGPATH:镜像日志路径(Mirror log path) USEREXIT:启用的日志记录的用户出口(User exit for logging enabled) BLK_LOG_DSK_FUL:磁盘上已满的块日志(Block log on disk full) LOGRETAIN:启用的恢复的日志保留(Log retain for recovery enabled) NUMARCHRETRY:错误时重试日志归档次数(Number of log archive retries on error) ARCHRETRYDELAY:日志归档重试延迟(秒)(Log archive retry Delay (secs)) SOFTMAX:软检查点前回收的日志文件的百分比(Percent log file reclaimed before soft chckpt) MINCOMMIT:组落实计数(Group commit count) MAX_LOG:事务使用的最大主日志空间的百分比(Percent max primary log space by transaction) NUM_LOG_SPAN:1 个活动 UOW 的活动日志文件的数目(Num. of active log files for 1 active UOW) LOGHEAD:首个活动日志文件(First active log file) FAILARCHPATH:故障转移日志归档路径(Failover log archive path) VENDOROPT:供应商选项(Vendor options) 维护(Maintenance) AUTO_MAINT:自动维护(Automatic maintenance) AUTO_DB_BACKUP:自动数据库备份(Automatic database backup) AUTO_TBL_MAINT:自动表维护(Automatic table maintenance) AUTO_RUNSTATS:自动 runstats(Automatic runstats) AUTO_REORG:自动重组(Automatic reorganization) AUTO_STMT_STATS:自动语句统计信息(Automatic statement statistics) AUTO_STATS_PROF:自动统计信息概要分析(Automatic statistics profiling) AUTO_PROF_UPD:自动概要文件更新(Automatic profile updates) 性能(Performance) INDEXSORT:索引排序标志(Index sort flag) SEQDETECT:顺序检测标志(Sequential detect flag) MULTIPAGE_ALLOC:启用的多页文件分配(Multi-page file allocation enabled) STAT_HEAP_SZ:统计信息堆大小(4KB)(Statistics heap size (4KB)) DFT_PREFETCH_SZ:缺省预取大小(页)(Default prefetch size (pages)) APPL_MEMORY:应用程序内存大小(4KB)(Application Memory Size (4KB)) NUM_IOSERVERS:I/O 服务器的数目(Number of I/O servers) APPLHEAPSZ:缺省应用程序堆(4KB)(Default application heap (4KB)) STMTHEAP:SQL 语句堆(4KB)(SQL statement heap (4KB)) DBHEAP:数据库堆(4KB)(Database heap (4KB)) NUM_IOCLEANERS:异步页清除程序的数目(Number of asynchronous page cleaners) PCKCACHESZ:程序包高速缓存大小(4KB)(Package cache size (4KB)) LOGBUFSZ:日志缓冲区大小(4KB)(Log buffer size (4KB)) CHNGPGS_THRESH:更改的页阈值(Changed pages threshold) UTIL_HEAP_SZ:实用程序堆大小(4KB)(Utilities heap size (4KB)) SHEAPTHRES_SHR:共享排序的排序堆域值(4KB)(Sort heap thres for shared sorts (4KB)) DFT_EXTENT_SZ:缺省表空间扩展数据块大小(页)(Default tablespace extentsize (pages)) SORTHEAP:排序列表堆(4KB)(Sort list heap (4KB)) DATABASE_MEMORY:数据库共享内存大小(4KB)(Size of database shared memory (4KB)) BUFFPAGE:缓冲池大小(页)(Buffer pool size (pages)) LOCKLIST:锁定列表的最大存储量(4KB)(Max storage for lock list (4KB)) CATALOGCACHE_SZ:目录高速缓存大小(4KB)(Catalog cache size (4KB)) 恢复(Recovery) INDEXREC:索引重新创建时间和重做索引构建(Index re-creation time and redo index build) AUTORESTART:启用的自动重新启动(Auto restart enabled) TRACKMOD:跟踪修改的页数(Track modified pages) LOGINDEXBUILD:在索引构建期间记录页(Log pages during index build) REC_HIS_RETENTN:恢复历史记录保留时间(天数)(Recovery history retention (days)) NUM_DB_BACKUPS:要保留的数据库备份的数目(Number of database backups to retain) DFT_LOADREC_SES:loadrec 会话的缺省数目(Default number of loadrec sessions) AUTO_DEL_REC_OBJ:自动删除恢复对象(Auto deletion of recovery objects) TSM_PASSWORD:TSM 密码(TSM password) TSM_OWNER:TSM 所有者(TSM owner) TSM_NODENAME:TSM 节点名(TSM node name) TSM_MGMTCLASS:TSM 管理类(TSM management class) HADR_DB_ROLE:HADR 数据库角色(HADR database role) HADR_LOCAL_HOST:HADR 本地主机名(HADR local host name) HADR_LOCAL_SVC:HADR 本地服务名称(HADR local service name) HADR_REMOTE_HOST:HADR 远程主机名(HADR remote host name) HADR_REMOTE_SVC:HADR 远程服务名称(HADR remote service name) HADR_REMOTE_INST:远程服务器的 HADR 实例名(HADR instance name of remote server) HADR_PEER_WINDOW:HADR 对等窗口持续时间(秒)(HADR peer window duration (seconds)) HADR_TIMEOUT:HADR 超时值(HADR timeout value) HADR_SYNCMODE:HADR 日志写同步方式(HADR log write synchronization mode) 状态(Status) CONSISTENT:(Database is consistent) BACKUP_PENDING:备份暂挂(Backup pending) ROLLFWD_PENDING:前滚暂挂(Rollforward pending) RESTORE_PENDING:复原暂挂(Restore pending) USER_EXIT_STATUS:日志记录状态的用户出口(User exit for logging status) LOG_RETAIN_STATUS:恢复状态的日志保留(Log retain for recovery status) NUM_QUANTILES:保留的分位点数目(Number of quantiles retained) NUM_FREQVALUES:保留的高频值的数目(Number of frequent values retained) 其他(UNKNOWN) DECFLT_ROUNDING:十进制浮点舍入方式(Decimal floating point rounding mode)
我们的my.cnf,postgresql.conf都是vim可编辑的,db2没有可vim编辑的配置文件,我认为因为配置文件都是二进制的,第二是因为DB2的用户都是操作系统的用户?
原始连接:DB2配置
- DB2入门(5)——DB2配置文件
- DB2入门(4)——DB2的账户设置
- DB2快速入门—DB2 11的安装与使用
- DB2学习总结(1)——DB2数据库基础入门
- DB2入门(2)——数据库、实例、存储模型
- DB2入门(3)——表空间概念理解
- DB2入门
- DB2入门
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- DB2
- DB2
- db2
- DB2
- DB2
- db2
- DB2
- db2
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