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DB2數(shù)據(jù)庫表的解鎖

數(shù)據(jù)庫
下面為您介紹DB2數(shù)據(jù)庫中,如何才能將數(shù)據(jù)庫表進行解鎖,供您參考,希望對您有所幫助。

#p##p#下面為您介紹DB2數(shù)據(jù)庫中,如何才能將數(shù)據(jù)庫表進行解鎖,供您參考,希望對您有所幫助。

在DB2的命令行中輸入:

update monitor switches using lock on table on

然后打開另一個DB2命令窗口執(zhí)行我的那個被吊死的Update語句。

然后在第一個DB2命令窗口執(zhí)行:

get snapshot for locks on Database_Name(你的數(shù)據(jù)庫的名字)> locks.TXT

然后,可以看到第一個DB2的窗口有一個信息輸出,把這些信息輸出到TXT中,大致如下:

應(yīng)用程序句柄                    = 36
應(yīng)用程序標識                    = AC100C47.IC05.00F6C6095828
序號                          = 0246
應(yīng)用程序名                      = java.exe
CONNECT 授權(quán)標識                = DB2ADMIN
應(yīng)用程序狀態(tài)                    = UOW 正在等待
狀態(tài)更改時間                    = 未收集
應(yīng)用程序代碼頁                  = 1208
掛起的鎖定                      = 0
總計等待時間(毫秒)            = 0

應(yīng)用程序句柄                    = 43
應(yīng)用程序標識                    = *LOCAL.DB2.060512054331
序號                          = 2273
應(yīng)用程序名                      = java.exe
CONNECT 授權(quán)標識                = DB2ADMIN
應(yīng)用程序狀態(tài)                    = 聯(lián)合請求暫掛
狀態(tài)更改時間                    = 未收集
應(yīng)用程序代碼頁                  = 1208
掛起的鎖定                      = 6
總計等待時間(毫秒)            = 0 #p#

鎖定列表
鎖定名稱                       = 0x031F9052000000000000000055
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x40000000
鎖定計數(shù)                       = 255
掛起計數(shù)                       = 0
鎖定對象名                     = 0
對象類型                       = 內(nèi)部
方式                           = S

鎖定名稱                       = 0x26800000000000000000000044
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x40000000
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 0
對象類型                       = 內(nèi)部
方式                           = S

鎖定名稱                       = 0x020006000F1700000000000052
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x00000001
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 5903 #p#
對象類型                       = 行
表空間名                       = USERSPACE1
表模式                         = DB2ADMIN
表名                           = C_USER
方式                           = NS

鎖定名稱                       = 0x01000000010000000500BC0056
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x40000000
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 0
對象類型                       = 內(nèi)部變化鎖定
方式                           = S

鎖定名稱                       = 0x535953534E333030FD965C0641
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x40000000
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 0
對象類型                       = 內(nèi)部方案鎖定
方式                           = S #p#鎖定名稱                       = 0x02000600000000000000000054
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x00000001
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 6
對象類型                       = 表
表空間名                       = USERSPACE1
表模式                         = DB2ADMIN
表名                           = C_USER
方式                           = IS

應(yīng)用程序句柄                    = 557
應(yīng)用程序標識                    = *LOCAL.DB2.060512053913
序號                          = 1254
應(yīng)用程序名                      = java.exe
CONNECT 授權(quán)標識                = DB2ADMIN
應(yīng)用程序狀態(tài)                    = 聯(lián)合請求暫掛
狀態(tài)更改時間                    = 未收集
應(yīng)用程序代碼頁                  = 1208
掛起的鎖定                      = 6
總計等待時間(毫秒)            = 0

鎖定列表
鎖定名稱                       = 0x031F9052000000000000000055
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x40000000
鎖定計數(shù)                       = 255
掛起計數(shù)                       = 0
鎖定對象名                     = 0
對象類型                       = 內(nèi)部
方式                           = S

鎖定名稱                       = 0x26800000000000000000000044
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x40000000
鎖定計數(shù)                       = 1 #p#
掛起計數(shù)                       = 0
鎖定對象名                     = 0
對象類型                       = 內(nèi)部
方式                           = S

鎖定名稱                       = 0x02000600071D00000000000052
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x00000001
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 7431
對象類型                       = 行
表空間名                       = USERSPACE1
表模式                         = DB2ADMIN
表名                           = C_USER
方式                           = NS

鎖定名稱                       = 0x01000000010000000500BC0056
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x40000000
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 0
對象類型                       = 內(nèi)部變化鎖定
方式                           = S #p#

鎖定名稱                       = 0x535953534E333030FD965C0641
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x40000000
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 0
對象類型                       = 內(nèi)部方案鎖定
方式                           = S

鎖定名稱                       = 0x02000600000000000000000054
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x00000001
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 6
對象類型                       = 表
表空間名                       = USERSPACE1
表模式                         = DB2ADMIN
表名                           = C_USER
方式                           = IS #p#

其中應(yīng)用程序句柄43和557的狀態(tài)都是死鎖了,猜測是這2個應(yīng)用爭用DB2的表,造成死鎖,根據(jù)日志提示,在DB2的命令窗口輸入:

force application (43)

force application (557)

提示這個操作是異步的,我執(zhí)行l(wèi)ist applicaions,結(jié)果進程中還有那2個進程,那2個進程可能是在執(zhí)行比較大的操作,需要耐心等待,如何還不行,則使用下面的命令來強制所有的應(yīng)用都停止,然后重啟DB2:

force application all

terminate

db2stop force

db2start

如果DB2在Window上,則可以使用“控制中心”->實例->右鍵“應(yīng)用程序”,可以看到當(dāng)前的鎖定情況,并且可以強行關(guān)閉某個進程,也可以顯示“鎖定鏈”。
 

在DB2的命令行中輸入:

update monitor switches using lock on table on #p#

然后打開另一個DB2命令窗口執(zhí)行我的那個被吊死的Update語句。

然后在第一個DB2命令窗口執(zhí)行:

get snapshot for locks on Database_Name(你的數(shù)據(jù)庫的名字)> locks.TXT

然后,可以看到第一個DB2的窗口有一個信息輸出,把這些信息輸出到TXT中,大致如下:

應(yīng)用程序句柄                    = 36
應(yīng)用程序標識                    = AC100C47.IC05.00F6C6095828
序號                          = 0246
應(yīng)用程序名                      = java.exe
CONNECT 授權(quán)標識                = DB2ADMIN
應(yīng)用程序狀態(tài)                    = UOW 正在等待
狀態(tài)更改時間                    = 未收集
應(yīng)用程序代碼頁                  = 1208
掛起的鎖定                      = 0
總計等待時間(毫秒)            = 0

應(yīng)用程序句柄                    = 43
應(yīng)用程序標識                    = *LOCAL.DB2.060512054331
序號                          = 2273
應(yīng)用程序名                      = java.exe
CONNECT 授權(quán)標識                = DB2ADMIN
應(yīng)用程序狀態(tài)                    = 聯(lián)合請求暫掛
狀態(tài)更改時間                    = 未收集
應(yīng)用程序代碼頁                  = 1208
掛起的鎖定                      = 6
總計等待時間(毫秒)            = 0 #p#

鎖定列表
鎖定名稱                       = 0x031F9052000000000000000055
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x40000000
鎖定計數(shù)                       = 255
掛起計數(shù)                       = 0
鎖定對象名                     = 0
對象類型                       = 內(nèi)部
方式                           = S

鎖定名稱                       = 0x26800000000000000000000044
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x40000000
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 0
對象類型                       = 內(nèi)部
方式                           = S

鎖定名稱                       = 0x020006000F1700000000000052
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x00000001
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 5903
對象類型                       = 行
表空間名                       = USERSPACE1
表模式                         = DB2ADMIN
表名                           = C_USER
方式                           = NS #p#

鎖定名稱                       = 0x01000000010000000500BC0056
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x40000000
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 0
對象類型                       = 內(nèi)部變化鎖定
方式                           = S

鎖定名稱                       = 0x535953534E333030FD965C0641
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x40000000
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 0
對象類型                       = 內(nèi)部方案鎖定
方式                           = S

鎖定名稱                       = 0x02000600000000000000000054
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x00000001
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 6
對象類型                       = 表
表空間名                       = USERSPACE1
表模式                         = DB2ADMIN
表名                           = C_USER #p#
方式                           = IS

應(yīng)用程序句柄                    = 557 #p#
應(yīng)用程序標識                    = *LOCAL.DB2.060512053913
序號                          = 1254
應(yīng)用程序名                      = java.exe
CONNECT 授權(quán)標識                = DB2ADMIN
應(yīng)用程序狀態(tài)                    = 聯(lián)合請求暫掛
狀態(tài)更改時間                    = 未收集
應(yīng)用程序代碼頁                  = 1208
掛起的鎖定                      = 6
總計等待時間(毫秒)            = 0

鎖定列表
鎖定名稱                       = 0x031F9052000000000000000055
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x40000000
鎖定計數(shù)                       = 255
掛起計數(shù)                       = 0
鎖定對象名                     = 0
對象類型                       = 內(nèi)部
方式                           = S #p#

鎖定名稱                       = 0x26800000000000000000000044
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x40000000
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 0
對象類型                       = 內(nèi)部
方式                           = S

鎖定名稱                       = 0x02000600071D00000000000052
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x00000001
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 7431
對象類型                       = 行
表空間名                       = USERSPACE1
表模式                         = DB2ADMIN
表名                           = C_USER
方式                           = NS

鎖定名稱                       = 0x01000000010000000500BC0056
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x40000000
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 0
對象類型                       = 內(nèi)部變化鎖定
方式                           = S

鎖定名稱                       = 0x535953534E333030FD965C0641
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x40000000
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 0 #p#
對象類型                       = 內(nèi)部方案鎖定
方式                           = S

鎖定名稱                       = 0x02000600000000000000000054
鎖定屬性                       = 0x00000000
發(fā)行版標志                     = 0x00000001
鎖定計數(shù)                       = 1
掛起計數(shù)                       = 0
鎖定對象名                     = 6
對象類型                       = 表
表空間名                       = USERSPACE1
表模式                         = DB2ADMIN
表名                           = C_USER
方式                           = IS

其中應(yīng)用程序句柄43和557的狀態(tài)都是死鎖了,猜測是這2個應(yīng)用爭用DB2的表,造成死鎖,根據(jù)日志提示,在DB2的命令窗口輸入:

force application (43)

force application (557)

提示這個操作是異步的,我執(zhí)行l(wèi)ist applicaions,結(jié)果進程中還有那2個進程,那2個進程可能是在執(zhí)行比較大的操作,需要耐心等待,如何還不行,則使用下面的命令來強制所有的應(yīng)用都停止,然后重啟DB2:

force application all

terminate

db2stop force

db2start

如果DB2在Window上,則可以使用“控制中心”->實例->右鍵“應(yīng)用程序”,可以看到當(dāng)前的鎖定情況,并且可以強行關(guān)閉某個進程,也可以顯示“鎖定鏈”。
 

責(zé)任編輯:段燃 來源: 話聯(lián)網(wǎng)
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