From: | 石原 和樹 <Kazuki(dot)Ishihara(at)keisetsu(dot)jp> |
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To: | <pgsql-bugs(at)postgresql(dot)org> |
Subject: | collector's time is wrong.(year 2038 problem) |
Date: | 2016-11-02 09:08:14 |
Message-ID: | 002201d234e8$a4a13110$ede39330$@Ishihara@keisetsu.jp |
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Lists: | pgsql-bugs |
Dear PostgreSQL Developers.
This problem occurs at ver. 9.3 or later.
Test environment
Windows 7 Ultimate (64bit)
Language:Japanese
PostgreSQL 9.3.6 and 9.6.1
Windows 8 Embedded (64bit).
Language:English
PostgreSQL 9.3.5
Steps
1. Change current time. (e.g. Sep. 1st 2040)
2. Start PostgreSQL Service.
If someone change the current time after than January 9th 2038.
pgstat_recv_inquiry() method was wrong behavior, because GetCurrentTimestamp() returned wrong timestamp.
Could you see following logs.(Winows7 x64 PostgreSQL ver.9.6.1)
2040-11-01 14:32:29 JST LOG: database system was shut down at 2016-11-01 14:29:15 JST
2040-11-01 14:32:29 JST LOG: MultiXact member wraparound protections are now enabled
2040-11-01 14:32:29 JST LOG: database system is ready to accept connections
2040-11-01 14:32:29 JST LOG: autovacuum launcher started
2040-11-01 14:32:29 JST LOG: stats_timestamp 2016-11-01 14:29:15.049209+09 is later than collector's time 1904-09-26
08:04:13.934251+09 for database 0
2040-11-01 14:33:30 JST LOG: stats collector's time 2016-11-01 14:29:15.049209+09 is later than backend local time 1904-09-26
08:05:14.025556+09
2040-11-01 14:33:30 JST LOG: stats_timestamp 2016-11-01 14:29:15.049209+09 is later than collector's time 1904-09-26
08:05:14.025556+09 for database 12401
And I don't know whether this causes, but the state of the PostgreSQL service in the Service Manager won't be "starting".
Could you investigating these problem.
best regards.
/*------------------------------------------------
Kazuki Ishihara
Mail: <mailto:Kazuki(dot)Ishihara(at)keisetsu(dot)jp> Kazuki(dot)Ishihara(at)keisetsu(dot)jp
------------------------------------------------*/
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