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db2 - 查看数据库配置参数

原创 Linux操作系统 作者:yuechaotian 时间:2019-06-05 15:24:07 0 删除 编辑
语法:
 
get db cfg [for dbname]
 
举例:
 
db2 => get db cfg
 
       数据库  的数据库配置
 
 数据库配置发行版级别                                    = 0x0c00
 数据库发行版级别                                        = 0x0c00
 
 数据库地域                                              = CN
 数据库代码页                                            = 1208
 数据库代码集                                            = UTF-8
 数据库国家/地区代码                                    = 86
 数据库整理顺序                                          = IDENTITY
 备用整理顺序                              (ALT_COLLATE) =
 数字兼容性                                              = OFF
 Varchar2 兼容性                                         = OFF
 数据库页大小                                            = 4096
 
 动态 SQL 查询管理                      (DYN_QUERY_MGMT) = DISABLE
 
 对此数据库的发现支持                      (DISCOVER_DB) = ENABLE
 
 限制访问                                                = NO
 缺省查询优化类                           (DFT_QUERYOPT) = 5
 并行度                                     (DFT_DEGREE) = 1
 在算术异常时继续                      (DFT_SQLMATHWARN) = NO
 缺省刷新有效期                        (DFT_REFRESH_AGE) = 0
 缺省维护的选项(DFT_MTTB_TYPES)的表类型                = SYSTEM
 保留的高频值的数目                     (NUM_FREQVALUES) = 10
 保留的分位点数目                        (NUM_QUANTILES) = 20
 
 十进制浮点舍入方式                    (DECFLT_ROUNDING) = ROUND_HALF_EVEN
 
 备份暂挂                                                = NO
 
 数据库是一致的                                          = NO
 前滚暂挂                                                = NO
 复原暂挂                                                = NO
 
 启用的多页文件分配                                      = YES
 
 恢复状态的日志保留                                      = NO
 日志记录状态的用户出口                                  = NO
 
 自调整内存                            (SELF_TUNING_MEM) = ON
 数据库共享内存大小(4KB)             (DATABASE_MEMORY) = AUTOMATIC
 数据库内存阈值                          (DB_MEM_THRESH) = 10
 锁定列表的最大存储量(4KB)                   (LOCKLIST) = AUTOMATIC
 每个应用程序的锁定百分比列表                 (MAXLOCKS) = AUTOMATIC
 程序包高速缓存大小(4KB)                  (PCKCACHESZ) = AUTOMATIC
 共享排序的排序堆域值(4KB)            (SHEAPTHRES_SHR) = AUTOMATIC
 排序列表堆(4KB)                            (SORTHEAP) = AUTOMATIC
 
 数据库堆(4KB)                                (DBHEAP) = AUTOMATIC
 目录高速缓存大小(4KB)               (CATALOGCACHE_SZ) = 260
 日志缓冲区大小(4KB)                         (LOGBUFSZ) = 98
 实用程序堆大小(4KB)                    (UTIL_HEAP_SZ) = 23665
 缓冲池大小(页)                             (BUFFPAGE) = 250
 SQL 语句堆(4KB)                            (STMTHEAP) = AUTOMATIC
 缺省应用程序堆(4KB)                      (APPLHEAPSZ) = AUTOMATIC
 应用程序内存大小(4KB)                (APPL_MEMORY) = AUTOMATIC
 统计信息堆大小(4KB)                    (STAT_HEAP_SZ) = AUTOMATIC
 
 检查死锁的时间间隔(毫秒)                  (DLCHKTIME) = 10000
 锁定超时(秒)                             (LOCKTIMEOUT) = -1
 
 更改的页阈值                           (CHNGPGS_THRESH) = 80
 异步页清除程序的数目                   (NUM_IOCLEANERS) = AUTOMATIC
 I/O 服务器的数目                        (NUM_IOSERVERS) = AUTOMATIC
 索引排序标志                                 (INDEXSORT) = YES
 顺序检测标志                                (SEQDETECT) = YES
 缺省预取大小(页)                    (DFT_PREFETCH_SZ) = AUTOMATIC
 
 跟踪修改的页数                               (TRACKMOD) = OFF
 
 容器的缺省数目                                          = 1
 缺省表空间扩展数据块大小(页)            (DFT_EXTENT_SZ) = 32
 
 最大活动应用程序数                           (MAXAPPLS) = AUTOMATIC
 活动应用程序的平均数目       (AVG_APPLS) = AUTOMATIC
 每个应用程序的最大打开数据库文件数           (MAXFILOP) = 32768
 
 日志文件大小(4KB)                         (LOGFILSIZ) = 1024
 主日志文件的数目                           (LOGPRIMARY) = 13
 辅助日志文件的数目                          (LOGSECOND) = 4
 已更改的至日志文件的路径                   (NEWLOGPATH) =
 日志文件路径                                            = D:\DB2\NODE0000\SQL00005\SQLOGDIR\
 溢出日志路径                          (OVERFLOWLOGPATH) =
 镜像日志路径                            (MIRRORLOGPATH) =
 首个活动日志文件                                        =
 磁盘上已满的块日志                    (BLK_LOG_DSK_FUL) = NO
 事务使用的最大主日志空间的百分比        (MAX_LOG)= 0
 1 个活动 UOW 的活动日志文件的数目        (NUM_LOG_SPAN) = 0
 
 组落实计数                                  (MINCOMMIT) = 1
 软检查点前回收的日志文件的百分比              (SOFTMAX) = 520
 启用的恢复的日志保留                        (LOGRETAIN) = OFF
 启用的日志记录的用户出口                     (USEREXIT) = OFF
 
 HADR 数据库角色                                          = STANDARD
 HADR 本地主机名                        (HADR_LOCAL_HOST) =
 HADR 本地服务名称                       (HADR_LOCAL_SVC) =
 HADR 远程主机名                       (HADR_REMOTE_HOST) =
 HADR 远程服务名称                      (HADR_REMOTE_SVC) =
 远程服务器的 HADR 实例名              (HADR_REMOTE_INST) =
 HADR 超时值                               (HADR_TIMEOUT) = 120
 HADR 日志写同步方式                      (HADR_SYNCMODE) = NEARSYNC
 HADR 对等窗口持续时间(秒)       (HADR_PEER_WINDOW) = 0
 
 第一个日志归档方法                        (LOGARCHMETH1) = OFF
 logarchmeth1 的选项                        (LOGARCHOPT1) =
 第二个日志归档方法                        (LOGARCHMETH2) = OFF
 logarchmeth2 的选项                        (LOGARCHOPT2) =
 故障转移日志归档路径                     (FAILARCHPATH) =
 错误时重试日志归档次数                   (NUMARCHRETRY) = 5
 日志归档重试延迟(秒)                 (ARCHRETRYDELAY) = 20
 供应商选项                                  (VENDOROPT) =
 
 启用的自动重新启动                        (AUTORESTART) = ON
 索引重新创建时间和重做索引构建               (INDEXREC) = SYSTEM (RESTART)
 在索引构建期间记录页                    (LOGINDEXBUILD) = OFF
 loadrec 会话的缺省数目                (DFT_LOADREC_SES) = 1
 要保留的数据库备份的数目               (NUM_DB_BACKUPS) = 12
 恢复历史记录保留时间(天数)          (REC_HIS_RETENTN) = 366
 自动删除恢复对象                     (AUTO_DEL_REC_OBJ) = OFF
 
 TSM 管理类                              (TSM_MGMTCLASS) =
 TSM 节点名                               (TSM_NODENAME) =
 TSM 所有者                                  (TSM_OWNER) =
 TSM 密码                                 (TSM_PASSWORD) =
 
 自动维护                                   (AUTO_MAINT) = ON
   自动数据库备份                       (AUTO_DB_BACKUP) = OFF
   自动表维护                           (AUTO_TBL_MAINT) = ON
     自动 runstats                       (AUTO_RUNSTATS) = ON
       自动语句统计信息                  (AUTO_STMT_STATS) = OFF
     自动统计信息概要分析              (AUTO_STATS_PROF) = OFF
       自动概要文件更新                  (AUTO_PROF_UPD) = OFF
     自动重组                       (AUTO_REORG) = OFF
 
 启用 XML 字符操作                      (ENABLE_XMLCHAR) = YES
 WLM 收集时间间隔(分钟)              (WLM_COLLECT_INT) = 0
 
db2 => get db cfg for miaomiao
 
       数据库 miaomiao 的数据库配置
 
 数据库配置发行版级别                                    = 0x0c00
 数据库发行版级别                                        = 0x0c00
 
 数据库地域                                              = CN
 数据库代码页                                            = 1208
 数据库代码集                                            = UTF-8
 数据库国家/地区代码                                    = 86
 数据库整理顺序                                          = IDENTITY
 备用整理顺序                              (ALT_COLLATE) =
 数字兼容性                                              = OFF
 Varchar2 兼容性                                         = OFF
 数据库页大小                                            = 4096
 
 动态 SQL 查询管理                      (DYN_QUERY_MGMT) = DISABLE
 
 对此数据库的发现支持                      (DISCOVER_DB) = ENABLE
 
 限制访问                                                = NO
 缺省查询优化类                           (DFT_QUERYOPT) = 5
 并行度                                     (DFT_DEGREE) = 1
 在算术异常时继续                      (DFT_SQLMATHWARN) = NO
 缺省刷新有效期                        (DFT_REFRESH_AGE) = 0
 缺省维护的选项(DFT_MTTB_TYPES)的表类型                = SYSTEM
 保留的高频值的数目                     (NUM_FREQVALUES) = 10
 保留的分位点数目                        (NUM_QUANTILES) = 20
 
 十进制浮点舍入方式                    (DECFLT_ROUNDING) = ROUND_HALF_EVEN
 
 备份暂挂                                                = NO
 
 数据库是一致的                                          = NO
 前滚暂挂                                                = NO
 复原暂挂                                                = NO
 
 启用的多页文件分配                                      = YES
 
 恢复状态的日志保留                                      = NO
 日志记录状态的用户出口                                  = NO
 
 自调整内存                            (SELF_TUNING_MEM) = ON
 数据库共享内存大小(4KB)             (DATABASE_MEMORY) = AUTOMATIC
 数据库内存阈值                          (DB_MEM_THRESH) = 10
 锁定列表的最大存储量(4KB)                   (LOCKLIST) = AUTOMATIC
 每个应用程序的锁定百分比列表                 (MAXLOCKS) = AUTOMATIC
 程序包高速缓存大小(4KB)                  (PCKCACHESZ) = AUTOMATIC
 共享排序的排序堆域值(4KB)            (SHEAPTHRES_SHR) = AUTOMATIC
 排序列表堆(4KB)                            (SORTHEAP) = AUTOMATIC
 
 数据库堆(4KB)                                (DBHEAP) = AUTOMATIC
 目录高速缓存大小(4KB)               (CATALOGCACHE_SZ) = 260
 日志缓冲区大小(4KB)                         (LOGBUFSZ) = 98
 实用程序堆大小(4KB)                    (UTIL_HEAP_SZ) = 23665
 缓冲池大小(页)                             (BUFFPAGE) = 250
 SQL 语句堆(4KB)                            (STMTHEAP) = AUTOMATIC
 缺省应用程序堆(4KB)                      (APPLHEAPSZ) = AUTOMATIC
 应用程序内存大小(4KB)                (APPL_MEMORY) = AUTOMATIC
 统计信息堆大小(4KB)                    (STAT_HEAP_SZ) = AUTOMATIC
 
 检查死锁的时间间隔(毫秒)                  (DLCHKTIME) = 10000
 锁定超时(秒)                             (LOCKTIMEOUT) = -1
 
 更改的页阈值                           (CHNGPGS_THRESH) = 80
 异步页清除程序的数目                   (NUM_IOCLEANERS) = AUTOMATIC
 I/O 服务器的数目                        (NUM_IOSERVERS) = AUTOMATIC
 索引排序标志                                 (INDEXSORT) = YES
 顺序检测标志                                (SEQDETECT) = YES
 缺省预取大小(页)                    (DFT_PREFETCH_SZ) = AUTOMATIC
 
 跟踪修改的页数                               (TRACKMOD) = OFF
 
 容器的缺省数目                                          = 1
 缺省表空间扩展数据块大小(页)            (DFT_EXTENT_SZ) = 32
 
 最大活动应用程序数                           (MAXAPPLS) = AUTOMATIC
 活动应用程序的平均数目       (AVG_APPLS) = AUTOMATIC
 每个应用程序的最大打开数据库文件数           (MAXFILOP) = 32768
 
 日志文件大小(4KB)                         (LOGFILSIZ) = 1024
 主日志文件的数目                           (LOGPRIMARY) = 13
 辅助日志文件的数目                          (LOGSECOND) = 4
 已更改的至日志文件的路径                   (NEWLOGPATH) =
 日志文件路径                                            = D:\DB2\NODE0000\SQL00005\SQLOGDIR\
 溢出日志路径                          (OVERFLOWLOGPATH) =
 镜像日志路径                            (MIRRORLOGPATH) =
 首个活动日志文件                                        =
 磁盘上已满的块日志                    (BLK_LOG_DSK_FUL) = NO
 事务使用的最大主日志空间的百分比        (MAX_LOG)= 0
 1 个活动 UOW 的活动日志文件的数目        (NUM_LOG_SPAN) = 0
 
 组落实计数                                  (MINCOMMIT) = 1
 软检查点前回收的日志文件的百分比              (SOFTMAX) = 520
 启用的恢复的日志保留                        (LOGRETAIN) = OFF
 启用的日志记录的用户出口                     (USEREXIT) = OFF
 
 HADR 数据库角色                                          = STANDARD
 HADR 本地主机名                        (HADR_LOCAL_HOST) =
 HADR 本地服务名称                       (HADR_LOCAL_SVC) =
 HADR 远程主机名                       (HADR_REMOTE_HOST) =
 HADR 远程服务名称                      (HADR_REMOTE_SVC) =
 远程服务器的 HADR 实例名              (HADR_REMOTE_INST) =
 HADR 超时值                               (HADR_TIMEOUT) = 120
 HADR 日志写同步方式                      (HADR_SYNCMODE) = NEARSYNC
 HADR 对等窗口持续时间(秒)       (HADR_PEER_WINDOW) = 0
 
 第一个日志归档方法                        (LOGARCHMETH1) = OFF
 logarchmeth1 的选项                        (LOGARCHOPT1) =
 第二个日志归档方法                        (LOGARCHMETH2) = OFF
 logarchmeth2 的选项                        (LOGARCHOPT2) =
 故障转移日志归档路径                     (FAILARCHPATH) =
 错误时重试日志归档次数                   (NUMARCHRETRY) = 5
 日志归档重试延迟(秒)                 (ARCHRETRYDELAY) = 20
 供应商选项                                  (VENDOROPT) =
 
 启用的自动重新启动                        (AUTORESTART) = ON
 索引重新创建时间和重做索引构建               (INDEXREC) = SYSTEM (RESTART)
 在索引构建期间记录页                    (LOGINDEXBUILD) = OFF
 loadrec 会话的缺省数目                (DFT_LOADREC_SES) = 1
 要保留的数据库备份的数目               (NUM_DB_BACKUPS) = 12
 恢复历史记录保留时间(天数)          (REC_HIS_RETENTN) = 366
 自动删除恢复对象                     (AUTO_DEL_REC_OBJ) = OFF
 
 TSM 管理类                              (TSM_MGMTCLASS) =
 TSM 节点名                               (TSM_NODENAME) =
 TSM 所有者                                  (TSM_OWNER) =
 TSM 密码                                 (TSM_PASSWORD) =
 
 自动维护                                   (AUTO_MAINT) = ON
   自动数据库备份                       (AUTO_DB_BACKUP) = OFF
   自动表维护                           (AUTO_TBL_MAINT) = ON
     自动 runstats                       (AUTO_RUNSTATS) = ON
       自动语句统计信息                  (AUTO_STMT_STATS) = OFF
     自动统计信息概要分析              (AUTO_STATS_PROF) = OFF
       自动概要文件更新                  (AUTO_PROF_UPD) = OFF
     自动重组                       (AUTO_REORG) = OFF
 
 启用 XML 字符操作                      (ENABLE_XMLCHAR) = YES
 WLM 收集时间间隔(分钟)              (WLM_COLLECT_INT) = 0
 
db2 =>
 
修改对应的参数,使用命令:update db cfg [for dbname] using <参数名> <参数值>
 
db2 => update db cfg using logretain on
DB20000I  UPDATE DATABASE CONFIGURATION命令成功完成。
SQL1363W  未动态更改为立即修改而提交的一个或多个参数。对于这些配置参数,必须在所
有应用程序都与此数据库断开连接之后,更改才会生效。
db2 => update db cfg using logretain off
DB20000I  UPDATE DATABASE CONFIGURATION命令成功完成。
SQL1363W  未动态更改为立即修改而提交的一个或多个参数。对于这些配置参数,必须在所
有应用程序都与此数据库断开连接之后,更改才会生效。

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