How about xlogs are missing and xlogs are deleted
[postgres@minion1 bin]$ pwd
/usr/local/pgtest/bin
[postgres@minion1 bin]$ ./pg_ctl -D ../data/ start
server starting
[postgres@minion1 bin]$ LOG: database system was shut down at 2016-02-04 16:26:41 CST
LOG: MultiXact member wraparound protections are now enabled
LOG: database system is ready to accept connections
LOG: autovacuum launcher started
[postgres@minion1 bin]$ ./pgbench -i -F 100 -s 714 -h 127.0.0.1 -p 5432 -U postgres -d postgres
[postgres@minion1 bin]$ ./psql -h localhost -U postgres -d postgres
psql (9.4.5)
Type "help" for help.
postgres=# \d+
List of relations
Schema | Name | Type | Owner | Size | Description
--------+------------------+-------+----------+---------+-------------
public | pgbench_accounts | table | postgres | 9147 MB |
public | pgbench_branches | table | postgres | 64 kB |
public | pgbench_history | table | postgres | 0 bytes |
public | pgbench_tellers | table | postgres | 344 kB |
(4 rows)
postgres=# \q
[postgres@minion1 bin]$ ./pg_controldata
pg_control version number: 942
Catalog version number: 201409291
Database system identifier: 6247349441268682644
Database cluster state: in production
pg_control last modified: Thu 04 Feb 2016 04:46:33 PM CST
Latest checkpoint location: 0/56A5CA8
Prior checkpoint location: 0/56A5C40
Latest checkpoint's REDO location: 0/56A5CA8
Latest checkpoint's REDO WAL file: 000000010000000000000005
Latest checkpoint's TimeLineID: 1
Latest checkpoint's PrevTimeLineID: 1
Latest checkpoint's full_page_writes: on
Latest checkpoint's NextXID: 0/1825
Latest checkpoint's NextOID: 16403
Latest checkpoint's NextMultiXactId: 1
Latest checkpoint's NextMultiOffset: 0
Latest checkpoint's oldestXID: 1801
Latest checkpoint's oldestXID's DB: 1
Latest checkpoint's oldestActiveXID: 0
Latest checkpoint's oldestMultiXid: 1
Latest checkpoint's oldestMulti's DB: 1
Time of latest checkpoint: Thu 04 Feb 2016 04:40:58 PM CST
Fake LSN counter for unlogged rels: 0/1
Minimum recovery ending location: 0/0
Min recovery ending loc's timeline: 0
Backup start location: 0/0
Backup end location: 0/0
End-of-backup record required: no
Current wal_level setting: minimal
Current wal_log_hints setting: off
Current max_connections setting: 100
Current max_worker_processes setting: 8
Current max_prepared_xacts setting: 0
Current max_locks_per_xact setting: 64
Maximum data alignment: 8
Database block size: 8192
Blocks per segment of large relation: 131072
WAL block size: 8192
Bytes per WAL segment: 16777216
Maximum length of identifiers: 64
Maximum columns in an index: 32
Maximum size of a TOAST chunk: 1996
Size of a large-object chunk: 2048
Date/time type storage: 64-bit integers
Float4 argument passing: by value
Float8 argument passing: by value
Data page checksum version: 0
[postgres@minion1 pg_xlog]$ ll
total 81M
-rw------- 1 postgres postgres 16M Feb 4 16:40 000000010000000000000005
-rw------- 1 postgres postgres 16M Feb 4 16:34 000000010000000000000006
-rw------- 1 postgres postgres 16M Feb 4 16:34 000000010000000000000007
-rw------- 1 postgres postgres 16M Feb 4 16:34 000000010000000000000008
-rw------- 1 postgres postgres 16M Feb 4 16:34 000000010000000000000009
drwx------ 2 postgres postgres 4.0K Feb 4 16:26 archive_status
[postgres@minion1 pg_xlog]$ rm -rf 00000001000000000000000*
[postgres@minion1 pg_xlog]$ ls
archive_status
[postgres@minion1 pg_xlog]$ cd -
/usr/local/pgtest/bin
[postgres@minion1 bin]$ ./pg_ctl -D ../data/ stop -m fast
waiting for server to shut down....LOG: received fast shutdown request
LOG: aborting any active transactions
LOG: autovacuum launcher shutting down
LOG: shutting down
LOG: database system is shut down
done
server stopped
[postgres@minion1 bin]$ ./pg_ctl -D ../data/ start
server starting
[postgres@minion1 bin]$ LOG: database system was shut down at 2016-02-04 16:50:58 CST
LOG: invalid magic number 0000 in log segment 000000010000000000000005, offset 0
LOG: invalid primary checkpoint record
LOG: invalid magic number 0000 in log segment 000000010000000000000005, offset 0
LOG: invalid secondary checkpoint record
PANIC: could not locate a valid checkpoint record
LOG: startup process (PID 2959) was terminated by signal 6: Aborted
LOG: aborting startup due to startup process failure
[postgres@minion1 bin]$ ./pg_resetxlog --help
pg_resetxlog resets the PostgreSQL transaction log.
Usage:
pg_resetxlog [OPTION]... DATADIR
Options:
-e XIDEPOCH set next transaction ID epoch
-f force update to be done
-l XLOGFILE force minimum WAL starting location for new transaction log
-m MXID,MXID set next and oldest multitransaction ID
-n no update, just show what would be done (for testing)
-o OID set next OID
-O OFFSET set next multitransaction offset
-V, --version output version information, then exit
-x XID set next transaction ID
-?, --help show this help, then exit
Report bugs to <pgsql-bugs@postgresql.org>.
[postgres@minion1 bin]$ ./pg_resetxlog -o 16403 -x 1825 -f /usr/local/pgtest/data/
Transaction log reset
[postgres@minion1 bin]$ ./pg_ctl -D ../data/ start
server starting
[postgres@minion1 bin]$ LOG: database system was shut down at 2016-02-04 16:55:44 CST
LOG: MultiXact member wraparound protections are now enabled
LOG: database system is ready to accept connections
LOG: autovacuum launcher started
[postgres@minion1 bin]$ ./psql -h localhost -U postgres -d postgres
psql (9.4.5)
Type "help" for help.
postgres=# \d+
List of relations
Schema | Name | Type | Owner | Size | Description
--------+------------------+-------+----------+---------+-------------
public | pgbench_accounts | table | postgres | 9147 MB |
public | pgbench_branches | table | postgres | 64 kB |
public | pgbench_history | table | postgres | 0 bytes |
public | pgbench_tellers | table | postgres | 344 kB |
(4 rows)
[postgres@minion1 bin]$ ./pg_controldata
pg_control version number: 942
Catalog version number: 201409291
Database system identifier: 6247349441268682644
Database cluster state: in production
pg_control last modified: Thu 04 Feb 2016 04:56:11 PM CST
Latest checkpoint location: 0/6000028
Prior checkpoint location: 0/0
Latest checkpoint's REDO location: 0/6000028
Latest checkpoint's REDO WAL file: 000000010000000000000006
Latest checkpoint's TimeLineID: 1
Latest checkpoint's PrevTimeLineID: 1
Latest checkpoint's full_page_writes: on
Latest checkpoint's NextXID: 0/1825
Latest checkpoint's NextOID: 16403
Latest checkpoint's NextMultiXactId: 1
Latest checkpoint's NextMultiOffset: 0
Latest checkpoint's oldestXID: 2294969121
Latest checkpoint's oldestXID's DB: 0
Latest checkpoint's oldestActiveXID: 0
Latest checkpoint's oldestMultiXid: 1
Latest checkpoint's oldestMulti's DB: 1
Time of latest checkpoint: Thu 04 Feb 2016 04:55:44 PM CST
Fake LSN counter for unlogged rels: 0/1
Minimum recovery ending location: 0/0
Min recovery ending loc's timeline: 0
Backup start location: 0/0
Backup end location: 0/0
End-of-backup record required: no
Current wal_level setting: minimal
Current wal_log_hints setting: off
Current max_connections setting: 100
Current max_worker_processes setting: 8
Current max_prepared_xacts setting: 0
Current max_locks_per_xact setting: 64
Maximum data alignment: 8
Database block size: 8192
Blocks per segment of large relation: 131072
WAL block size: 8192
Bytes per WAL segment: 16777216
Maximum length of identifiers: 64
Maximum columns in an index: 32
Maximum size of a TOAST chunk: 1996
Size of a large-object chunk: 2048
Date/time type storage: 64-bit integers
Float4 argument passing: by value
Float8 argument passing: by value
Data page checksum version: 0
How about xlogs are missing and xlogs are deleted的更多相关文章
- How to build mscorlib.dll with visual studio
Recently, Microsoft Corportation has released a new look for .NET Reference Source. And you may find ...
- Elasticsearch的数据导出和导入操作（elasticdump工具），以及删除指定type的数据（delete-by-query插件）
Elasticseach目前作为查询搜索平台,的确非常实用方便.我们今天在这里要讨论的是如何做数据备份和type删除.我的ES的版本是2.4.1. ES的备份,可不像MySQL的mysqldump这么 ...
- error C4430：missing type specifier 解决错误
错误 3 error C4430: missing type specifier - int assumed. Note: C++ does not support default-int ...
- Missing Push Notification Entitlement 问题
最近打包上传是遇到一个问题: 描述: Missing Push Notification Entitlement - Your app includes an API for Apple's Push ...
- PHPmailer关于Extension missing: openssl报错的解决
最近在写一个网页的时候,需要用到PHPmailer来发送邮件,按照官网上给出的demo写出一个例子,却报错Extension missing: openssl 最后发现需要修改php.ini中的配置: ...
- [LeetCode] Missing Number 丢失的数字
Given an array containing n distinct numbers taken from 0, 1, 2, ..., n, find the one that is missin ...
- [LeetCode] Missing Ranges 缺失区间
Given a sorted integer array where the range of elements are [0, 99] inclusive, return its missing r ...
- [LeetCode] First Missing Positive 首个缺失的正数
Given an unsorted integer array, find the first missing positive integer. For example,Given [1,2,0] ...
- maven 加入json-lib.jar 报错 Missing artifact net.sf.json-lib:json-lib:jar:2.4:compile
<dependency> <groupId>net.sf.json-lib</groupId> <artifactId>json-lib</art ...
随机推荐
- Solr高亮详解
hl.fl: 用空格或逗号隔开的字段列表.要启用某个字段的highlight功能,就得保证该字段在schema中是stored.如果该参数未被给出,那么就会高亮默认字段 standard handle ...
- Ubuntu 14.04 为 root 帐号开启 SSH 登录
1. 修改 root 密码 sudo passwd root 2. 以其他账户登录,通过 sudo nano 修改 /etc/ssh/sshd_config : xxx@ubuntu14:~$ su ...
- diy-pagination-javascript 分页
<?php isset($_REQUEST['form_single_page_num']) && !empty($_REQUEST['form_single_page_num' ...
- hiho41 : 骨牌覆盖问题·一
原问题:骨牌覆盖问题 时间限制:10000ms 单点时限:1000ms 内存限制:256MB 描述 骨牌,一种古老的玩具.今天我们要研究的是骨牌的覆盖问题:我们有一个2xN的长条形棋盘,然后用1x2的 ...
- ajax+jsp自动刷新
通过 AJAX,JavaScript 可使用 JavaScript 的 XMLHttpRequest 对象来直接与服务器进行通信.通过这个对象, JavaScript 可在不重载页面的情况与 Web ...
- 【微信开发之问题集锦】redirect_uri 参数错误
问题答案:看看网页授权域名是不是以"http://",是则去掉.(如果网页授权域名都没修改,那就去修改吧,要注意域名不要带"http://"."htt ...
- Bluetooth数据包捕获
目录 1. 前提 2. 开启功能 3. 抓包 这里介绍一种在Android上捕获蓝牙数据包的方法 1. 前提 首先你要有一部Android手机 然后你的Android系统版本要在4.4及以上 我没有做 ...
- nodejs爬虫
前言 几个月之前,有同事找我要PHP CI框架写的OA系统.他跟我说,他需要学习PHP CI框架,我建议他学习大牛写的国产优秀框架QeePHP. 我上QeePHP官网,发现官方网站打不开了,GOOGL ...
- Xcode 之自己编译静态库
今天介绍下,如何利用Xcode,新建一个静态库,以及如何编译成i386.armv7.armv7s 等平台架构. 开发环境:MAC OS X 10.9.4 + Xcode 5.0.2 背景知识:库分两种 ...
- JSONModel 遇见关键字为id或者description
像id.description这样的,都是系统自带的,要解析它,得特殊处理一下.我用的是JSONModel { "contentList": [ { "id": ...