【测试类型：工具功能】【测试版本：6.0.0】【UWAL】安装完一主两备集群，部署配置uwal后，重启集群后，集群core

【标题描述】: 安装完一主两备集群，部署配置uwal后，重启集群后，集群core
【测试类型：工具功能】【测试版本：6.0.0】【uwal】 安装完一主两备集群，部署配置uwal后，重启集群后，集群core

【操作系统和硬件信息】(查询命令: cat /etc/system-release, uname -a):
openEuler release 20.03 (LTS)

【测试环境】(单机/1主x备x级联备):
一主两备

【被测功能】:
uwal环境部署安装bt

【测试类型】:
功能测试

【数据库版本】(查询命令: gaussdb -V):
gsql (openGauss 6.0.0 build b061d510) compiled at 2024-06-12 10:07:05 commit 0 last mr

【预置条件】:
1. 安装一主两备

【操作步骤】(请填写详细的操作步骤):
1. 根据uwal官网文档进行部署，并配置postgres.conf参数
2. 重启数据库，并查询数据库状态

【预期输出】:
1. 根据uwal官网文档进行部署，并配置postgres.conf参数，成功
2. 重启数据库，并查询数据库状态，成功

【实际输出】:
1. 根据uwal官网文档进行部署，并配置postgres.conf参数，成功
2. 重启数据库成功，并查询数据库状态，状态异常，产生core

【原因分析】:
代码优化导致

【日志信息】(请附上日志文件、截图、coredump信息):
 **pg日志：**

```
2024-06-25 10:53:32.447 667a30f0.6135 [unknown] 140185696204544 dn_6001 0 dn_6001_6002_6003 00000  0 [DBL_WRT] LOG:  [batch flush] DW truncate end: file_head[dwn 0, start 60], total_pages 0
2024-06-25 10:53:32.456 667a30f0.6135 [unknown] 140185696204544 dn_6001 0 dn_6001_6002_6003 00000  0 [BACKEND] LOG:  keep all the xlog segments, because current segno = 5, less than wal_keep_segments = 16
2024-06-25 10:53:32.456 667a30f0.6135 [unknown] 140185696204544 dn_6001 0 dn_6001_6002_6003 00000  0 [BACKEND] LOG:  slotname: dn_6002, dummy: 0, restartlsn: 0/5001570
2024-06-25 10:53:32.456 667a30f0.6135 [unknown] 140185696204544 dn_6001 0 dn_6001_6002_6003 00000  0 [BACKEND] LOG:  slotname: dn_6003, dummy: 0, restartlsn: 0/5001570
2024-06-25 10:53:32.512 667a30ef.6131 [unknown] 140185511655168 dn_6001 0 dn_6001_6002_6003 58P01  0 [BACKEND] PANIC:  uwal write failed, retCode = -100000.
2024-06-25 10:53:32.512 667a30ef.6131 [unknown] 140185511655168 dn_6001 0 dn_6001_6002_6003 58P01  0 [BACKEND] BACKTRACELOG:  tid[31495]'s backtrace:
        /data/relia_app/relia0625/cluster/app/bin/gaussdb(+0xdceadb) [0x563d1ab5dadb]
        /data/relia_app/relia0625/cluster/app/bin/gaussdb(_Z9errfinishiz+0x58b) [0x563d1ab5542b]
        /data/relia_app/relia0625/cluster/app/bin/gaussdb(+0x1833391) [0x563d1b5c2391]
        /data/relia_app/relia0625/cluster/app/bin/gaussdb(_Z19XLogBackgroundFlushv+0x3a5) [0x563d1b5c49a5]
        /data/relia_app/relia0625/cluster/app/bin/gaussdb(_Z13WalWriterMainv+0x466) [0x563d1b10de16]
        /data/relia_app/relia0625/cluster/app/bin/gaussdb(_Z17GaussDbThreadMainIL15knl_thread_role39EEiP14knl_thread_arg+0x3cf) [0x563d1b0f52bf]
        /data/relia_app/relia0625/cluster/app/bin/gaussdb(+0x1340285) [0x563d1b0cf285]
        /lib64/libpthread.so.0(+0x7dd5) [0x7f8101f75dd5]
        /lib64/libc.so.6(clone+0x6d) [0x7f8101c9eead]
        Use addr2line to get pretty function name and line

2024-06-25 10:53:32.530 667a30f0.6137 [unknown] 140185489569536 dn_6001 0 dn_6001_6002_6003 00000  0 [BACKEND] LOG:  walrcvwriter find uwal datasize : 4278190080
2024-06-25 10:53:32.530 667a30f0.6137 [unknown] 140185489569536 dn_6001 0 dn_6001_6002_6003 00000  0 [BACKEND] LOG:  uwalRcvStateInit: truncate 83886080, write 83892016
```
 **uwal日志：** 
```
2024-06-25 10:53:32.499693 31495 info duwal_client_meta.c 73 DuwalInsertMetaToAvlTree] Insert client meta cache succ, location(0), uwalId(64094258-3-3667803286536193).
2024-06-25 10:53:32.499697 31495 info duwal_client_create.c 376 DuwalLoadVector] No.1: uwalId(64094258-3-3667803286536193).
2024-06-25 10:53:32.510558 31495 error duwal_server_meta.c 1084 DuwalServerFindHeadOffset] Invalid head data, curOffset(262080).
2024-06-25 10:53:32.510587 31495 error duwal_server_meta.c 1154 DuwalServerGetHead] Get head offset failed:-1, dataOffset(0), uwalId(64094258-3-3667803286536193)
2024-06-25 10:53:32.510673 31495 error duwal_server_msg.c 511 DuwalGetHeadReqHandle] Query meta fail, ret(-1).
2024-06-25 10:53:32.510682 31495 error duwal_client_meta.c 742 DuwalGetHeadCb] Get master head failed, ret(-1), dstNid(0).
2024-06-25 10:53:32.510688 31495 error duwal_client_meta.c 805 DuwalGetHead] Get head fail:-1, need retry.
2024-06-25 10:53:32.510693 31495 error duwal_client_append.c 890 DuwalConstructAppendSpecifiedCtxImpl] Get master server head info failed(-1), uwalId(64094258-3-3667803286536193), dataOffset(0)
2024-06-25 10:53:47.069670 31418 error bdm_disk.c 792 BdmDiskEventsThread] disk event epoll_wait, error(Interrupted system call).
2024-06-25 10:53:47.069748 31424 error bdm_disk.c 792 BdmDiskEventsThread] disk event epoll_wait, error(Interrupted system call).
2024-06-25 10:53:47.069777 31420 error bdm_disk.c 792 BdmDiskEventsThread] disk event epoll_wait, error(Interrupted system call).
2024-06-25 10:53:47.069791 31428 error bdm_disk.c 792 BdmDiskEventsThread] disk event epoll_wait, error(Interrupted system call).
2024-06-25 10:53:47.069890 31432 error bdm_disk.c 792 BdmDiskEventsThread] disk event epoll_wait, error(Interrupted system call).
2024-06-25 10:53:47.069802 31422 error bdm_disk.c 792 BdmDiskEventsThread] disk event epoll_wait, error(Interrupted system call).
2024-06-25 10:53:47.071749 31436 error trans_hcom.c 1241 HcomLogHandler] [HCOM sock_wrapper.h:1412] sock 140737489042052 receive header failed, errno 4.
2024-06-25 10:53:47.071789 31436 warning trans_hcom.c 1238 HcomLogHandler] [HCOM net_sock_driver_oob.cpp:1177] sock uwal_tcp received an error request and it is causing ep destroy.
2024-06-25 10:53:47.072161 31430 error bdm_disk.c 792 BdmDiskEventsThread] disk event epoll_wait, error(Interrupted system call).
2024-06-25 10:53:47.072285 31435 error trans_hcom.c 1241 HcomLogHandler] [HCOM sock_wrapper.h:1412] sock 70368744288499 receive header failed, errno 4.
2024-06-25 10:53:47.072310 31435 warning trans_hcom.c 1238 HcomLogHandler] [HCOM net_sock_driver_oob.cpp:1177] sock uwal_tcp received an error request and it is causing ep destroy.
2024-06-25 10:53:47.072359 31435 debug trans_hcom.c 1188 HcomEndPointBroken] bChannel(140184304750656), usrCtx(1), payLoad(1)
2024-06-25 10:53:47.072390 31435 info trans_hcom.c 1235 HcomLogHandler] [HCOM net_sock_driver_oob.cpp:922] Destroy endpoint id 70368744288499.
2024-06-25 10:53:47.072401 31435 error trans_hcom.c 1241 HcomLogHandler] [HCOM sock_wrapper.h:1412] sock 70368744667780 receive header failed, errno 4.
```

core堆栈信息：
![输入图片说明](https://foruda.gitee.com/images/1719397324042908800/528fca85_8568116.png "屏幕截图")

【测试代码】:

openGauss/openGauss-server

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