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From: David Friend <dfriend@atlsci.atlsci.com> 

Subject: [PATCHES] Patch for INSTAL file.

The following patch does the following:

  - In step 6, recommend doing a database backup if you are upgrading
    from any version of the release, rather than ones before a specific
    date.

  - Added step 22a on regular maintainence.
This commit is contained in:
Marc G. Fournier 1997-06-07 03:42:17 +00:00
parent 0105b79f4f
commit 34fa6c6b70
1 changed files with 27 additions and 9 deletions
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36
INSTALL
View File

@ -143,12 +143,13 @@ To upgrade to PostgreSQL v6.1 do the following:
/usr/lib/libfl.a, /usr/include/FlexLexer.h and will add link
/usr/bin/flex++ which points to flex.
6) If you are upgrading an existing system from any version before
version 6.1 beta release 970525 then back up the current
database. (If you don't mind the restored tables being owned by
the postgres account then you may use your current pg_dumpall
script instead of the new pg_dumpall script used below.) Type
(with the gunzip line and the following line typed as one line):
6) If you are upgrading an existing system then back up your database.
The database format is liable to change every few weeks with no
notice besides a quick comment in the HACKERS mailing list. It is
therefore a bad idea to skip this step. Also, do not use the
pg_dumpall script from v6.0 or everything will be owned by the
postgres super user. Type (with the gunzip line and the following
line typed as one line):
cd
gunzip -c postgresql-v6.1.tar.gz |
tar xvf - src/bin/pg_dump/pg_dumpall
@ -493,9 +494,26 @@ To upgrade to PostgreSQL v6.1 do the following:
loading order of the various programs pointed to in directory
/etc/rc3.d. (Note that this example has not been tested yet.)
You might also want to modify your computer so that cron will run
the vacuum command nightly and do regular backups. Look at the
man page for crontab for a starting point on how to do this.
22a) If you haven't already done so, this would be a good time to modify
your computer to do regular maintainence. The following should be
done at regular intervals:
a) Run the SQL command vacuum. This will clean up your database.
b) Back up your system. (You should probably keep the last few
backups on hand.) Ideally, no one else should be using the
system at the time.
c) Stop and restart the postmaster. The software currently
suffers from memory leaks. This means that as more commands
are processed, the program will allocate, then forget about,
more and more memory. Eventually your computer will run
low on memory and start to swap excessively. This problem
will probably be gone in the next release.
Ideally, the above tasks should be done by a shell script that is
run nightly or weekly by cron. Look at the man page for crontab
for a starting point on how to do this. (If you do it, please
e-mail us a copy of your shell script. We would like to set up
our own systems to do this too.)
23) If you are upgrading an existing system then install your old database.
Type