Re: [HACKERS] ENABLE/DISABLE CONSTRAINT NAME

2013-09-03 Thread wangshuo
于 2013-09-03 08:15, David Johnston 回复: Jeff Davis-8 wrote Is there any semantic difference between marking a constraint as DISABLED and simply dropping it? Or does it just make it easier to re-add it later? David Johnston wrote: I cannot answer the question but if there is none then the main

Re: [HACKERS] UTF8 national character data type support WIP patch and list of open issues.

2013-09-03 Thread Heikki Linnakangas
On 03.09.2013 05:28, Boguk, Maksym wrote: Target usage: ability to store UTF8 national characters in some selected fields inside a single-byte encoded database. For sample if I have a ru-RU.koi8r encoded database with mostly Russian text inside, it would be nice to be able store an Japanese

Re: [HACKERS] INSERT...ON DUPLICATE KEY IGNORE

2013-09-03 Thread Craig Ringer
On 09/03/2013 06:18 AM, Peter Geoghegan wrote: On Mon, Sep 2, 2013 at 6:25 AM, Craig Ringer cr...@2ndquadrant.com wrote: It'll be yet another way for people to get upsert wrong, of course. They'll use a wCTE with RETURNING REJECTS to do an UPDATE of the rejects w/o locking the table against

Re: [HACKERS] Bugfix and new feature for PGXS

2013-09-03 Thread Cédric Villemain
Simple one, attached. I didn't document USE_VPATH, not sure how to explain that clearly. Just a remember that the doc is written and is waiting to be commited. There is also an issue spoted by Christoph with the installdirs prerequisite, the attached patch fix that. Also, the bugfixes were

Re: [HACKERS] INSERT...ON DUPLICATE KEY IGNORE

2013-09-03 Thread Peter Geoghegan
On Tue, Sep 3, 2013 at 12:52 AM, Craig Ringer cr...@2ndquadrant.com wrote: That'd certainly be the ideal, but as you say is far from simple, and IIRC prior discussions here have suggested the SSI / predicate locking stuff won't help. I think that by far the strongest argument for what Andres

Re: [HACKERS] INSERT...ON DUPLICATE KEY IGNORE

2013-09-03 Thread Peter Geoghegan
On Tue, Sep 3, 2013 at 2:11 AM, Peter Geoghegan p...@heroku.com wrote: and it would be totally unacceptable if that meant that lots of people blocked on the page lock that an upserter held while it tried to acquire locks on tuples By which I mean: it seems shaky that I'd then be assuming that

Re: [HACKERS] [9.4] Make full_page_writes only settable on server start?

2013-09-03 Thread Andres Freund
On 2013-09-02 19:10:57 -0700, Jeff Davis wrote: There is a significant amount of code supporting the changing of full_page_writes while the server is running, including an XLOG_FPW_CHANGE wal record. But I don't see the use-case; surely almost nobody changes this on a running server, because

Re: [HACKERS] Backup throttling

2013-09-03 Thread Antonin Houska
On 07/24/2013 09:20 AM, Antonin Houska wrote: Hello, the purpose of this patch is to limit impact of pg_backup on running server. Attached is a new version. Server-side implementation this time. Antonin Houska (Tony) diff --git a/doc/src/sgml/ref/pg_basebackup.sgml

Re: [HACKERS] Backup throttling

2013-09-03 Thread Andres Freund
Hi, On 2013-09-03 14:35:18 +0200, Antonin Houska wrote: + /* + * THROTTLING_SAMPLE_MIN / MAX_RATE_LOWER (in seconds) should be the + * longest possible time to sleep. + */ + pg_usleep((long) sleep); + else + +

Re: [HACKERS] Further XLogInsert scaling tweaking

2013-09-03 Thread Merlin Moncure
On Mon, Sep 2, 2013 at 10:32 PM, Bruce Momjian br...@momjian.us wrote: On Mon, Sep 2, 2013 at 10:14:03AM +0300, Heikki Linnakangas wrote: diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c index 39c58d0..28e62ea 100644 --- a/src/backend/access/transam/xlog.c

Re: [HACKERS] INSERT...ON DUPLICATE KEY IGNORE

2013-09-03 Thread Andres Freund
On 2013-09-02 21:59:42 -0700, Peter Geoghegan wrote: I can't really agree with this part. First off, a heap_insert() certainly isn't lightweight operation. There's several things that can take extended time: * toasting of rows (writing a gigabyte worth of data...) * extension of the

Re: [HACKERS] UTF8 national character data type support WIP patch and list of open issues.

2013-09-03 Thread Tom Lane
Heikki Linnakangas hlinnakan...@vmware.com writes: On 03.09.2013 05:28, Boguk, Maksym wrote: Target usage: ability to store UTF8 national characters in some selected fields inside a single-byte encoded database. I think we should take a completely different approach to this. Two

Re: [HACKERS] operator precedence issues

2013-09-03 Thread Merlin Moncure
On Fri, Aug 30, 2013 at 5:48 PM, Andres Freund and...@2ndquadrant.com wrote: Hi, On 2013-08-30 17:35:04 -0500, Merlin Moncure wrote: When a schema-qualified operator name is used in the OPERATOR syntax, as for example in: SELECT 3 OPERATOR(pg_catalog.+) 4; the OPERATOR construct is taken to

Re: [HACKERS] operator precedence issues

2013-09-03 Thread Andres Freund
On 2013-09-03 08:59:53 -0500, Merlin Moncure wrote: While playing around with Andres's trick, I noticed that it works but will not match against operators taking any although those will match with explicit schema declaration (FWICT it goes through the search_path trying to explicitly match

Re: [HACKERS] operator precedence issues

2013-09-03 Thread Tom Lane
Andres Freund and...@2ndquadrant.com writes: On 2013-09-03 08:59:53 -0500, Merlin Moncure wrote: While playing around with Andres's trick, I noticed that it works but will not match against operators taking any although those will match with explicit schema declaration (FWICT it goes through

Re: [HACKERS] Hstore: Query speedups with Gin index

2013-09-03 Thread Blake Smith
Thanks for the feedback everyone. I've attached the patch that we are now running in production to service our hstore include queries. We rebuilt the index to account for the on-disk incompatibility. I've submitted the patch to commitfest here:

Re: [HACKERS] [9.4] Make full_page_writes only settable on server start?

2013-09-03 Thread Stephen Frost
* Peter Geoghegan (p...@heroku.com) wrote: I wonder, is anyone really running in production with full_page_writes off? The simple answer to this is yes, definitely. I don't know if they change it on-the-fly, but I doubt it. Thanks, Stephen signature.asc

Re: [HACKERS] Bugfix and new feature for PGXS

2013-09-03 Thread Andrew Dunstan
On 09/03/2013 04:02 AM, Cédric Villemain wrote: Simple one, attached. I didn't document USE_VPATH, not sure how to explain that clearly. Just a remember that the doc is written and is waiting to be commited. There is also an issue spoted by Christoph with the installdirs prerequisite, the

Re: [HACKERS] logical changeset generation v5

2013-09-03 Thread Robert Haas
On Fri, Aug 30, 2013 at 11:19 AM, Andres Freund and...@2ndquadrant.com wrote: 0005 wal_decoding: Log xl_running_xact's at a higher frequency than checkpoints are done * benefits hot standby startup Review: 1. I think more comments are needed here to explain why we need this. I don't know if

Re: [HACKERS] WAL CPU overhead/optimization (was Master-slave visibility order)

2013-09-03 Thread Robert Haas
On Thu, Aug 29, 2013 at 8:22 PM, Ants Aasma a...@cybertec.at wrote: I might give it a shot later this cycle as I have familiarized my self with the problem domain anyway. I understand the appeal of staying with what we have, but this would cap the speedup at 4x and has large caveats with the

Re: [HACKERS] [9.3 doc fix] clarification of Solaris versions

2013-09-03 Thread Robert Haas
On Fri, Aug 30, 2013 at 5:01 AM, Bjorn Munch bjorn.mu...@oracle.com wrote: On 29/08 21.17, MauMau wrote: Thanks. I belive PostgreSQL runs successfully on Solaris 10 and later, because the binaries are published on the community site: http://ftp.postgresql.org/pub/binary/v9.3beta2/solaris/

Re: [HACKERS] Add database to PGXACT / per database vacuuming

2013-09-03 Thread Robert Haas
On Fri, Aug 30, 2013 at 2:29 PM, Andres Freund and...@2ndquadrant.com wrote: I don't know how big an impact adding the database oid would have, on the case that the PGPROC/PGXACT split was done in the first place. In the worst case it will make taking a snapshot 1/3 slower under contention.

Re: [HACKERS] logical changeset generation v5

2013-09-03 Thread Andres Freund
On 2013-09-03 11:40:57 -0400, Robert Haas wrote: On Fri, Aug 30, 2013 at 11:19 AM, Andres Freund and...@2ndquadrant.com wrote: 0005 wal_decoding: Log xl_running_xact's at a higher frequency than checkpoints are done * benefits hot standby startup Review: 1. I think more comments

Re: [HACKERS] logical changeset generation v5

2013-09-03 Thread Robert Haas
On Tue, Sep 3, 2013 at 12:05 PM, Andres Freund and...@2ndquadrant.com wrote: 1. I think more comments are needed here to explain why we need this. I don't know if the comments should go into the functions modified by this patch or in some other location, but I don't find what's here now

Re: [HACKERS] [9.4] Make full_page_writes only settable on server start?

2013-09-03 Thread Josh Berkus
Peter, I wonder, is anyone really running in production with full_page_writes off? We're doing so with clients on Joyent (ZFS). And also for ephemeral postgres instances -- ones where we've also turned off fsync. It's also quite reasonable to assume that future filesystems will also be

[HACKERS] The PostgreSQL License requires LICENSE file?

2013-09-03 Thread Tomonari Katsumata
Hi, PostgreSQL is released under the PostgreSQL License. http://www.postgresql.org/about/licence/ I've checked the PostgreSQL License, and had a question. http://opensource.org/licenses/PostgreSQL It seems that the license requres a LICENSE file in the target product [quote] Then put the

Re: [HACKERS] Freezing without write I/O

2013-09-03 Thread Robert Haas
On Mon, Sep 2, 2013 at 3:16 PM, Jeff Davis pg...@j-davis.com wrote: On Fri, 2013-08-30 at 20:34 +0200, Andres Freund wrote: I have a quick question: The reason I'd asked about the status of the patch was that I was thinking about the state of the forensic freezing patch. After a quick look at

Re: [HACKERS] The PostgreSQL License requires LICENSE file?

2013-09-03 Thread Robert Haas
On Tue, Sep 3, 2013 at 12:16 PM, Tomonari Katsumata t.katsumata1...@gmail.com wrote: Hi, PostgreSQL is released under the PostgreSQL License. http://www.postgresql.org/about/licence/ I've checked the PostgreSQL License, and had a question. http://opensource.org/licenses/PostgreSQL It

Re: [HACKERS] The PostgreSQL License requires LICENSE file?

2013-09-03 Thread Josh Berkus
On 09/03/2013 11:16 AM, Tomonari Katsumata wrote: It seems the contents of the COPYRIGTH file are all required by the license. So I have confused why PostgreSQL has a COPYRIGHT file instead of LICENSE. Anybody knows the reason? And is this non problem thing? The first paragraph on the OSI

Re: [HACKERS] CREATE FUNCTION .. SET vs. pg_dump

2013-09-03 Thread Robert Haas
On Sun, Sep 1, 2013 at 10:36 AM, Stefan Kaltenbrunner ste...@kaltenbrunner.cc wrote: It would seem that a simple solution would be to add an elevel argument to ProcessGUCArray and then call it with NOTICE in the case that check_function_bodies is true. None of the contrib modules call

Re: [HACKERS] CREATE FUNCTION .. SET vs. pg_dump

2013-09-03 Thread Stefan Kaltenbrunner
On 09/03/2013 06:15 PM, Robert Haas wrote: On Sun, Sep 1, 2013 at 10:36 AM, Stefan Kaltenbrunner ste...@kaltenbrunner.cc wrote: It would seem that a simple solution would be to add an elevel argument to ProcessGUCArray and then call it with NOTICE in the case that check_function_bodies is

Re: [HACKERS] logical changeset generation v5

2013-09-03 Thread Andres Freund
On 2013-09-03 12:22:22 -0400, Robert Haas wrote: On Tue, Sep 3, 2013 at 12:05 PM, Andres Freund and...@2ndquadrant.com wrote: 1. I think more comments are needed here to explain why we need this. I don't know if the comments should go into the functions modified by this patch or in some

Re: [HACKERS] The PostgreSQL License requires LICENSE file?

2013-09-03 Thread Tom Lane
Robert Haas robertmh...@gmail.com writes: On Tue, Sep 3, 2013 at 12:16 PM, Tomonari Katsumata t.katsumata1...@gmail.com wrote: PostgreSQL is released under the PostgreSQL License. http://www.postgresql.org/about/licence/ The actual license terms can be found in the COPYRIGHT file in our

Re: [HACKERS] [9.4] Make full_page_writes only settable on server start?

2013-09-03 Thread Magnus Hagander
On Sep 3, 2013 6:23 PM, Josh Berkus j...@agliodbs.com wrote: Peter, I wonder, is anyone really running in production with full_page_writes off? We're doing so with clients on Joyent (ZFS). And also for ephemeral postgres instances -- ones where we've also turned off fsync. It's also

Re: [HACKERS] [9.4] Make full_page_writes only settable on server start?

2013-09-03 Thread Peter Geoghegan
On Tue, Sep 3, 2013 at 9:23 AM, Josh Berkus j...@agliodbs.com wrote: So it should remain a setting. Sure. I wasn't suggesting deprecating it or anything. -- Peter Geoghegan -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription:

Re: [HACKERS] The PostgreSQL License requires LICENSE file?

2013-09-03 Thread Josh Berkus
I've checked the PostgreSQL License, and had a question. http://opensource.org/licenses/PostgreSQL I don't know who opensource.org are, but their idea of the PostgreSQL license doesn't appear to match the actual license text. The OSI, which is the organization which defines whether

Re: [HACKERS] CREATE FUNCTION .. SET vs. pg_dump

2013-09-03 Thread Stephen Frost
* Tom Lane (t...@sss.pgh.pa.us) wrote: So I think a more reasonable fix is just to skip the ProcessGUCArray call altogether when check_function_bodies = false, and to document that validators mustn't assume anything about the GUC environment when check_function_bodies = false. If no

Re: [HACKERS] CREATE FUNCTION .. SET vs. pg_dump

2013-09-03 Thread Tom Lane
Robert Haas robertmh...@gmail.com writes: On Sun, Sep 1, 2013 at 10:36 AM, Stefan Kaltenbrunner ste...@kaltenbrunner.cc wrote: attached is a rough patch that does exactly that, if we are worried about an api change we could simple do a ProcessGUCArrayNotice() in the backbranches if that

Re: [HACKERS] Further XLogInsert scaling tweaking

2013-09-03 Thread Alvaro Herrera
Bruce Momjian wrote: On Mon, Sep 2, 2013 at 10:14:03AM +0300, Heikki Linnakangas wrote: diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c index 39c58d0..28e62ea 100644 - XLogInsertSlotPadded *insertSlots; + /* +* Make sure the above

Re: [HACKERS] [9.3 doc fix] clarification of Solaris versions

2013-09-03 Thread Alvaro Herrera
Robert Haas escribió: The patch file turned out to be sorta garbled. I'm not sure if a broken version of diff was used to generate this or whether MauMau hand-edited it after the fact, but the number of lines that were indicated in the control lines didn't match the actual hunks, and patch

Re: [HACKERS] [9.4] Make full_page_writes only settable on server start?

2013-09-03 Thread Robert Haas
On Mon, Sep 2, 2013 at 10:10 PM, Jeff Davis pg...@j-davis.com wrote: There is a significant amount of code supporting the changing of full_page_writes while the server is running, including an XLOG_FPW_CHANGE wal record. But I don't see the use-case; surely almost nobody changes this on a

Re: [HACKERS] Backup throttling

2013-09-03 Thread Alvaro Herrera
Antonin Houska wrote: + para +Suffixes literalk/literal (kilobytes) and literalm/literal +(megabytes) are accepted. For example: literal10m/literal + /para m is for meters, or milli. Please use M here. +static uint32 +parse_max_rate(char *src) +{ + int

Re: [HACKERS] logical changeset generation v5

2013-09-03 Thread Robert Haas
On Tue, Sep 3, 2013 at 12:57 PM, Andres Freund and...@2ndquadrant.com wrote: To my way of thinking, it seems as though we ought to always begin replay at a checkpoint, so the standby ought always to see one of these records immediately. Obviously that's not good enough, but why not? We

Re: [HACKERS] Backup throttling

2013-09-03 Thread Antonin Houska
On 09/03/2013 06:56 PM, Alvaro Herrera wrote: +/* + * Only the following suffixes are allowed. It's not too useful to + * restrict the rate to gigabytes: such a rate will probably bring + * significant impact

Re: [HACKERS] WAL CPU overhead/optimization (was Master-slave visibility order)

2013-09-03 Thread Hannu Krosing
On 09/03/2013 05:27 PM, Robert Haas wrote: On Thu, Aug 29, 2013 at 8:22 PM, Ants Aasma a...@cybertec.at wrote: I might give it a shot later this cycle as I have familiarized my self with the problem domain anyway. I understand the appeal of staying with what we have, but this would cap the

Re: [HACKERS] [9.4] Make full_page_writes only settable on server start?

2013-09-03 Thread Bruce Momjian
On Tue, Sep 3, 2013 at 07:47:22PM +0200, Magnus Hagander wrote: On Sep 3, 2013 6:23 PM, Josh Berkus j...@agliodbs.com wrote: Peter, I wonder, is anyone really running in production with full_page_writes off? We're doing so with clients on Joyent (ZFS). And also for ephemeral

Re: [HACKERS] Backup throttling

2013-09-03 Thread Andres Freund
On 2013-09-03 12:56:53 -0400, Alvaro Herrera wrote: Antonin Houska wrote: + para +Suffixes literalk/literal (kilobytes) and literalm/literal +(megabytes) are accepted. For example: literal10m/literal + /para m is for meters, or milli. Please use M here.

Re: [HACKERS] logical changeset generation v5

2013-09-03 Thread Andres Freund
On 2013-09-03 15:56:15 -0400, Robert Haas wrote: On Tue, Sep 3, 2013 at 12:57 PM, Andres Freund and...@2ndquadrant.com wrote: And why is every 15 seconds good enough? Waiting 15s to become consistent instead of checkpoint_timeout seems to be ok to me and to be a good tradeoff between

Re: [HACKERS] WAL CPU overhead/optimization (was Master-slave visibility order)

2013-09-03 Thread Andres Freund
On 2013-09-03 23:25:01 +0200, Hannu Krosing wrote: On 09/03/2013 05:27 PM, Robert Haas wrote: On Thu, Aug 29, 2013 at 8:22 PM, Ants Aasma a...@cybertec.at wrote: I might give it a shot later this cycle as I have familiarized my self with the problem domain anyway. I understand the appeal of

[HACKERS] operator precedence issues

2013-09-03 Thread Merlin Moncure
On Tue, Sep 3, 2013 at 9:13 AM, Tom Lane t...@sss.pgh.pa.us wrote: Andres Freund and...@2ndquadrant.com writes: On 2013-09-03 08:59:53 -0500, Merlin Moncure wrote: While playing around with Andres's trick, I noticed that it works but will not match against operators taking any although those

Re: [HACKERS] UTF8 national character data type support WIP patch and list of open issues.

2013-09-03 Thread Boguk, Maksym
1)Addition of new string data types NATIONAL CHARACTER and NATIONAL CHARACTER VARIABLE. These types differ from the char/varchar data types in one important respect: NATIONAL string types are always have UTF8 encoding even (independent from used database encoding). I don't like the

[HACKERS] [rfc] overhauling pgstat.stat

2013-09-03 Thread Satoshi Nagayasu
Hi, I'm considering overhauling pgstat.stat, and would like to know how many people are interested in this topic. As you may know, this file could be handreds of MB in size, because pgstat.stat holds all access statistics in each database, and it needs to read/write an entire pgstat.stat

Re: [HACKERS] strange IS NULL behaviour

2013-09-03 Thread Bruce Momjian
On Fri, Jul 5, 2013 at 10:21:19AM -0400, Bruce Momjian wrote: On Thu, Jul 4, 2013 at 04:29:20PM -0400, Tom Lane wrote: Bruce Momjian br...@momjian.us writes: I developed the attached patch which properly recurses into ROW() records checking for NULLs; you can see it returns the right

Re: [HACKERS] strange IS NULL behaviour

2013-09-03 Thread Tom Lane
Bruce Momjian br...@momjian.us writes: This has made me adjust my goal and change it so SELECT ROW(NULL) IS NULL returns true, and any further nesting returns false. AFAICS, the only good argument for breaking backwards compatibility here is if you can convince people that the new behavior is

Re: [HACKERS] strange IS NULL behaviour

2013-09-03 Thread Tom Lane
I wrote: And I will say once more that a patch that affects only the behavior of eval_const_expressions can be rejected on its face. That code has to be kept in sync with the behavior of execQual.c, not just whacked around by itself. And then there are the NOT NULL constraint cases to worry

[HACKERS] getting rid of maintainer-check

2013-09-03 Thread Peter Eisentraut
The maintainer-check target never really caught on, I think. Most people don't run it, and that in turn annoys those who do. Also, it doesn't provide much functionality. I propose that we get rid of it and roll the functionality into the regular build. Specifically: - Running duplicate_oids

Re: [HACKERS] strange IS NULL behaviour

2013-09-03 Thread Merlin Moncure
On Tue, Sep 3, 2013 at 8:32 PM, Bruce Momjian br...@momjian.us wrote: On Fri, Jul 5, 2013 at 10:21:19AM -0400, Bruce Momjian wrote: On Thu, Jul 4, 2013 at 04:29:20PM -0400, Tom Lane wrote: Bruce Momjian br...@momjian.us writes: I developed the attached patch which properly recurses into

Re: [HACKERS] strange IS NULL behaviour

2013-09-03 Thread Bruce Momjian
On Tue, Sep 3, 2013 at 09:43:14PM -0400, Tom Lane wrote: Bruce Momjian br...@momjian.us writes: This has made me adjust my goal and change it so SELECT ROW(NULL) IS NULL returns true, and any further nesting returns false. AFAICS, the only good argument for breaking backwards

Re: [HACKERS] strange IS NULL behaviour

2013-09-03 Thread Bruce Momjian
On Tue, Sep 3, 2013 at 10:27:38PM -0400, Tom Lane wrote: I wrote: And I will say once more that a patch that affects only the behavior of eval_const_expressions can be rejected on its face. That code has to be kept in sync with the behavior of execQual.c, not just whacked around by

Re: [HACKERS] strange IS NULL behaviour

2013-09-03 Thread Bruce Momjian
On Tue, Sep 3, 2013 at 09:44:33PM -0500, Merlin Moncure wrote: It gets worse and worse. The IS NULL operator is already pretty much special cased -- in just about all other case concerning rowtypes (for example coalesce) 'null containing rowtypes are *not* considered to be null as the

Re: [HACKERS] [rfc] overhauling pgstat.stat

2013-09-03 Thread Atri Sharma
On Wed, Sep 4, 2013 at 6:40 AM, Satoshi Nagayasu sn...@uptime.jp wrote: Hi, I'm considering overhauling pgstat.stat, and would like to know how many people are interested in this topic. As you may know, this file could be handreds of MB in size, because pgstat.stat holds all access

Re: [HACKERS] [rfc] overhauling pgstat.stat

2013-09-03 Thread Alvaro Herrera
Satoshi Nagayasu wrote: As you may know, this file could be handreds of MB in size, because pgstat.stat holds all access statistics in each database, and it needs to read/write an entire pgstat.stat frequently. As a result, pgstat.stat often generates massive I/O operation, particularly

[HACKERS] Is it necessary to rewrite table while increasing the scale of datatype numeric?

2013-09-03 Thread wangshuo
Hi, Hackers! I find that it takes a long time when I increase the scale of a numeric datatype. By checking the code, I found that's because it needs to rewrite that table's file. After checking that table's data file, I found only parameter n_header changed. And, I found the data in that

[HACKERS] [tiny doc fix] statistics are not retained across immediate shutdown

2013-09-03 Thread Tsunakawa, Takayuki
Hi, In the following page, statistics are kept across server restarts: http://www.postgresql.org/docs/current/static/monitoring-stats.html When the server shuts down, a permanent copy of the statistics data is stored in the global subdirectory, so that statistics can be retained across server

Re: [HACKERS] The PostgreSQL License requires LICENSE file?

2013-09-03 Thread Tomonari Katsumata
(2013/09/04 2:34), Josh Berkus wrote: I've checked the PostgreSQL License, and had a question. http://opensource.org/licenses/PostgreSQL I don't know who opensource.org are, but their idea of the PostgreSQL license doesn't appear to match the actual license text. The OSI, which is the

Re: [HACKERS] [rfc] overhauling pgstat.stat

2013-09-03 Thread Satoshi Nagayasu
Hi, (2013/09/04 13:07), Alvaro Herrera wrote: Satoshi Nagayasu wrote: As you may know, this file could be handreds of MB in size, because pgstat.stat holds all access statistics in each database, and it needs to read/write an entire pgstat.stat frequently. As a result, pgstat.stat often

Re: [HACKERS] [rfc] overhauling pgstat.stat

2013-09-03 Thread Satoshi Nagayasu
Hi, (2013/09/04 12:52), Atri Sharma wrote: On Wed, Sep 4, 2013 at 6:40 AM, Satoshi Nagayasu sn...@uptime.jp wrote: Hi, I'm considering overhauling pgstat.stat, and would like to know how many people are interested in this topic. As you may know, this file could be handreds of MB in size,