elect * from abd where n<=1;
ERROR: requested shared memory size overflows size_t
if we remove the analyze keyword then query running successfully.
Expected = Is it not better to throw the error at the time of setting
max_parallel_degree, if not supported ?
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it not better to throw the error at the time of setting
>>max_parallel_degree, if not supported ?
>
>+1
It surprises me that that request overflowed size_t. I guess we
should look into why that's happening. Did you test this on a 32-bit
system?
No, I tested on 64 bit machine.
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egree i.e
parallel_degree = 20, max_parallel_degree=10 => [ select query
accepting 10 workers ]
but in general where table doesn't have parallel_degree set and
max_parallel_degree is
set to 10 then select query is showing only 2 workers .
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ouble precision
);
"
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On 04/21/2016 08:36 AM, Robert Haas wrote:
Nice catch, Tushar. Thanks for the patch, Fabrízio. Committed.
Thanks, Verified against the latest sources of PG9.6 - issue has been
fixed now.
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To make
On 02/01/2017 06:50 PM, Amit Kapila wrote:
Used large table parallel index scans (both forward and backward
scans). These tests have been done by Tushar and you can find
detailed report up thread [2]. Apart from that, the patch has been
tested with TPC-H queries at various scale factors
On 02/01/2017 06:50 PM, Amit Kapila wrote:
Used large table parallel index scans (both forward and backward
scans). These tests have been done by Tushar and you can find
detailed report up thread [2]. Apart from that, the patch has been
tested with TPC-H queries at various scale factors
we have generated the LCOV (code coverage) report and
compared the files which are changed for this.
You can see the numbers for "with_patch" V/s "with_patch+TestCases"
(.pdf file is attached)
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On 01/09/2017 07:22 PM, Dilip Kumar wrote:
Thanks, Tushar. I have fixed it. The defect was in 0002. I have also
observed another issue related to code refactoring, Actually, there
was some code present in 0001 which supposed to be in 0003.
Thanks, I have checked at my end and it is fixed now
On 01/10/2017 05:16 PM, Dilip Kumar wrote:
Please try attached patch and confirm from your
side.
Thanks,issue seems to be fixed now.
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ch_path=pg_catalog -c exit_on_error=true template1 > /dev/null
child process exited with exit code 139
initdb: removing data directory "data"
[centos@tusharcentos7 bin]$
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'--enable-cassert'
switch in the configure. We are able to reproduce it only with
--enable-cassert' .
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To make changes to your
On 01/10/2017 11:29 AM, tushar wrote:
On 01/09/2017 07:22 PM, Dilip Kumar wrote:
Thanks, Tushar. I have fixed it. The defect was in 0002. I have also
observed another issue related to code refactoring, Actually, there
was some code present in 0001 which supposed to be in 0003.
Thanks, I have
On 12/22/2016 01:35 PM, tushar wrote:
On 12/22/2016 09:49 AM, Amit Kapila wrote:
I think you can focus on the handling of array scan keys for testing.
In general, one of my colleagues has shown interest in testing this
patch and I think he has tested as well but never posted his findings.
I
t postmaster.c:4275
#28 0x00796917 in BackendStartup (port=0x1e69730) at
postmaster.c:3947
#29 0x0079302e in ServerLoop () at postmaster.c:1704
#30 0x0079266d in PostmasterMain (argc=3, argv=0x1e45c60) at
postmaster.c:1312
#31 0x006db982 in main (argc=3, argv=
On 12/23/2016 05:38 PM, Robert Haas wrote:
So why are you reporting it here rather than on a separate thread?
We found it -while testing parallel index scan and later it turned out
to be crash in general.
Sure- make sense ,will do that.
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equest.
The connection to the server was lost. Attempting reset: Failed.
!> \q
here is the stack trace -
[centos@tushar-centos bin]$ gdb -q -c mdata/core.4254
/home/centos/pg10_28march/postgresql/edbpsql/bin/postgres
Reading symbols from
/home/centos/pg10_28march/postgresql/edbpsql/bin/postgres...do
seems
probably insane.
No, i have not changed any parameters except logging_collector=on in
postgresql.conf file.
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To make changes
tdb with switch "--wal-segsize 4"
start the server
run pg_basebackup
[centos@tushar-centos bin]$ ./pg_basebackup -v -D /tmp/myslave
*** glibc detected *** ./pg_basebackup: free(): invalid pointer:
0x08da7f00 ***
=== Backtrace: =
/lib/libc.so.6[0xae7e31]
/home/centos/pg10
On 03/14/2017 11:14 AM, Beena Emerson wrote:
Hello,
Attached is the updated patch. It fixes the issues and also updates
few code comments.
Can you please check with the new patch?
Thanks, both issues has been fixed now.
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"ttt1" AS
SELECT "e"."n"
FROM ("t" "e"
LEFT JOIN "t1" "d");
"
I think -this issue should be there in the older branches as well but
not checked that.
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);
CREATE VIEW "v3_9166" AS
SELECT "seq_9166"."sequence_name",
"seq_9166"."last_value",
"seq_9166"."start_value",
"seq_9166"."increment_by",
"seq_9166"."max_value",
cluster dump using pg_dumpall
"
--
-- Name: alt_lang1; Type: PROCEDURAL LANGUAGE; Schema: -; Owner: edb
--
CREATE OR REPLACE PROCEDURAL LANGUAGE alt_lang1;
ALTER PROCEDURAL LANGUAGE alt_lang1 OWNER TO edb;
"
Handler part is missing and due to that it is throwing an error ,if we
try t
TO regress_dep_user1;
REASSIGN OWNED BY regress_dep_user1 TO regress_dep_user0;
CREATE TABLE deptest1 (f1 int unique);
GRANT ALL ON deptest1 TO regress_dep_user1 WITH GRANT OPTION;
SET SESSION AUTHORIZATION regress_dep_user1;
GRANT ALL ON deptest1 TO regress_dep_user2;
v10 - run pg_upgrade.
--
d
SELECT
pg_catalog.binary_upgrade_set_next_pg_type_oid('16390'::pg_catalog.oid);
manually i am able to create all these objects .
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is not default (changed at the time of ./configure) +
different wal_segment_size (at the time of initdb) .
Things looks fine.
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To make
res=# drop subscription sub;
ERROR: could not drop the replication slot "nowhere" on publisher
DETAIL: The error was: ERROR: replication slot "nowhere" does not exist
postgres=#
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ublication pub refresh;
NOTICE: removed subscription for table public.t1
NOTICE: removed subscription for table public.t2
ALTER SUBSCRIPTION
I think - in publication too ,we should provide NOTICE messages.
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sql terminal
postgres=# CREATE PUBLICATION abc FOR ALL TABLES WITH (publish =
'insert, , ');
ERROR: invalid publish list
Same is valid for pg_dumpall as well..
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the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.
The connection to the server was lost. Attempting reset: Failed.
!>
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S
t
ALTER SUBSCRIPTION
Is this an expected behavior ? if we cannot publish then how can we
add subscription for it.
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To
ore records into table 't'
Y - check the row count , rows have been migrated from X .
Is it the right behavior in this case where nocopy data option is set ?
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logical
replication worker for subscription 16393 (PID 2738) exited with exit code 1
I think -we should throw an error while creating subscription.
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ROR: could not start WAL
streaming: ERROR: replication slot name "" is too short
Is this error message (ERROR: replication slot name "" is too short )
is expected now ?
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Se
SLOT_NAME
synchronous_commit option is not visible
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: *** [pg_filedump.o] Error 1
[centos@centos-cpula pg_filedump]$
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ate the subscription from the slot.
expected = "HINT: Use ALTER SUBSCRIPTION ... *SET* (slot_name = NONE)
to disassociate the subscription from the slot."
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;
ALTER SUBSCRIPTION
s=#
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ull as tid),
cast(null as tid)) as integer)) is NULL)
limit 143) as subq_0
where pg_catalog.pg_rotate_logfile() is NULL) as subq_1
where 50 <> 45;
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On 05/23/2017 06:25 PM, Robert Haas wrote:
Just out of curiosity, what happens if you try it with the attached patch?
Thanks, issue seems to be fixed after applying your patch.
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cing this issue is not consistent. Out of 5 times, i am able to
reproduce it 2 times only.
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files.tar.bz2
Description: application/bzip
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pgbench_history ;
count
-
1090959
(1 row)
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ption sub;
NOTICE: dropped replication slot "sub" on publisher
DROP SUBSCRIPTION
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.
postgres=#
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regress]$ pg_dump -Fp ntest > /tmp/a.a
cat /tmp/a.a
SET search_path = public, pg_catalog;
--
-- Name: e1; Type: VIEW; Schema: public; Owner: centos
--
CREATE VIEW e1 AS
SELECT abc.n
FROM information_schema.abc;
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ainst partition table ,which is not
supported.
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os@centos-cpula regress]$
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On 05/25/2017 04:40 PM, Masahiko Sawada wrote:
I think you did ALTER SUBSCRIPTION while table sync for 100 tables is
running, right?
Yes, i didn't wait too much while executing the commands.
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ire the same sql query
postgres=# alter subscription sub set publication pub1 refresh;
NOTICE: removed subscription for table public.t78
ALTER SUBSCRIPTION
This notice message should not come as t.78 is already removed from
earlier same command.
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EnterpriseDB ht
On 05/25/2017 03:38 PM, tushar wrote:
While performing - Alter subscription..SET , I found that NOTICE
message is coming duplicate next time , which is not needed anymore.
There is an another example - where i am getting "ERROR: subscription
table 16435 in subscription 16684 does not
;postgre"
does not exist
postgres=#
but such checking is not done at the time of alter subscription ..
connection
postgres=# alter subscription c1 connection 'port=4000';
ALTER SUBSCRIPTION
postgres=# alter subscription c1 connection 'dbname=cc';
ALTER SUBSCRIPTION
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:00010002
If these values seem acceptable, use -f to force reset.
[centos@centos-cpula ~]$
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To make changes to your
: could not open directory "pg_wal": No such file or directory
[centos@centos-cpula bin]$
Steps to reproduce-
installed PG v9.6
installed PG v10
go to bin directory of v10 and run pg_resetwal , provide -D = data
directory of v9.6.
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ile
descriptor
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On 05/04/2017 03:53 PM, tushar wrote:
We can see statement_timeout is working but it is taking some extra
time,not sure this is an expected behavior in above case or not.
This is only when remote server is involved . in case when both the
servers are on the same machine , then this is working
n
---
1
1
(2 rows)
Y server
postgres=# select * from test;
n
---
1
(1 row)
I think probably syntax of alter subscription is not correct but
surprisingly it is not throwing an error.
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trol functions can only be executed during recovery.
CONTEXT: parallel worker
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On 10/09/2017 03:26 PM, Amit Kapila wrote:
I have reverted the check
in the attached patch.
I have applied this patch against PG HEAD and run sqlsmith and analyzed
results . didn't find any specific failures against this patch.
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tv limit 1) c)) as c ;
n
--
3713
(1 row)
This time , query is started showing wrong result. Is this an expected
behavior and if yes -then how to get the correct result ?
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tv where n= (select * from
(select n from tv limit 1) c)) as c ;
n
--
3713
(1 row)
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To make changes to you
; tps= 8011.784839(3.30+% vs. head)
Case 4-TIME=1500
PG HEAD =>tps = 40365.099628 (excluding connections establishing)
PG HEAD+patch =>tps= 42385.372848(5.00+% vs. head)
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On 09/27/2017 05:29 PM, tushar wrote:
After discussion with Jeevan Ladhe, we created a sql query which
contain lots of inbuild function and tested that against pgbench
with master v/s patch and found an improvement
I tested it again and found around +2% improvement
./pgbench -c 8 -j 8 -f
)
pgbench -M prepared -f /tmp/pgbench-many-cols.sql -T 700 postgres
PG Head - tps = 5640.314495(excluding connections establishing).
PG HEAD+patch - tps = 6012.223147 (6.59+% vs. head)
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establishing).
PG HEAD+patch - tps = 5751.745767(8.32+% vs. head)
pgbench -c 8 -j 8 -f /tmp/mytest.sql -T 500 postgres
PG Head - tps = 7701.176220(excluding connections
establishing).
PG HEAD+patch - tps = 7953.934043(3.27+% vs. head)
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On 10/30/2017 09:02 AM, Amit Kapila wrote:
Thanks a lot Tushar for testing this patch. In the latest patch, I
have just rebased some comments, there is no code change, so I don't
expect any change in behavior, but feel free to test it once again.
Thanks Amit. Sure.
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On 10/30/2017 01:36 PM, tushar wrote:
On 10/30/2017 09:02 AM, Amit Kapila wrote:
Thanks a lot Tushar for testing this patch. In the latest patch, I
have just rebased some comments, there is no code change, so I don't
expect any change in behavior, but feel free to test it once again.
Thanks
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