Re: [Maria-developers] [Merge] lp:~paul-mccullagh/maria/maria-pbxt-rc2 into lp:maria

2009-09-01 Thread Kristian Nielsen
Kristian Nielsen kniel...@knielsen-hq.org writes:

 So I will merge this into MariaDB with attached patch to disable PBMS and fix
 test failures.

Ok, so I merged it. But now I have a problem with PBXT crashing sometimes
during shutdown.

To reproduce, run the following command in a build of lp:maria:

mkdir -p /tmp/x  sql/mysqld --no-defaults --basedir=$(pwd) 
--character-sets-dir=$(pwd)/sql/share/charsets 
--language=$(pwd)/sql/share/english --skip-networking --datadir=/tmp/x 
--skip-grant-tables --nonexistentoption

This is supposed to complain about bad --nonexistentoption, and exit.

Instead, in about 75% of cases it crashes during shutdown :-(.

Basically, it crashes when the thread that calls xt_init_databases() is
different from the thread that calls xt_stop_database_threads(),
xt_exit_databases(), and db_finalize(). For some reason, this is usually, but
not always, done in different threads in this scenario.

Here is the stack trace:

==16085== Invalid read of size 4
==16085==at 0x9DFB78: xt_sl_delete(XTThread*, XTSortedList*, void*) 
(sortedlist_xt.cc:205)
==16085==by 0xA14461: db_finalize(XTThread*, void*) (database_xt.cc:323)
==16085==by 0x9C340E: xt_heap_release(XTThread*, XTHeap*) (heap_xt.cc:110)
==16085==by 0xA133AA: xt_unuse_database(XTThread*, XTThread*) 
(database_xt.cc:662)
==16085==by 0xA1341C: xt_db_exit_thread(XTThread*) (database_xt.cc:682)
==16085==by 0x9F6F07: thr_exit(XTThread*) (thread_xt.cc:1051)
==16085==by 0x9F711A: xt_free_thread(XTThread*) (thread_xt.cc:1445)
==16085==by 0x9F9345: thr_main (thread_xt.cc:1028)
==16085==by 0x50463F6: start_thread (pthread_create.c:297)
==16085==by 0x6026B3C: clone (in /usr/lib/debug/libc-2.7.so)
==16085==  Address 0x44 is not stack'd, malloc'd or (recently) free'd

So, I do not know why the thread is sometimes the same and sometimes not in
startup and shutdown. I guess it is some kind of race condition?

Can you help with a suggestion on how to fix?

 - Kristian.

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[Maria-developers] Rev 2723: Trivial fixes for windows compile failures in file:///home/psergey/dev/maria-5.1-fixwindows/

2009-09-01 Thread Sergey Petrunya
At file:///home/psergey/dev/maria-5.1-fixwindows/


revno: 2723
revision-id: pser...@askmonty.org-20090901115954-nge2brzh3akkmtlz
parent: kniel...@knielsen-hq.org-20090831112339-td6t7ljy4w2oamvt
committer: Sergey Petrunya pser...@askmonty.org
branch nick: maria-5.1-fixwindows
timestamp: Tue 2009-09-01 15:59:54 +0400
message:
  Trivial fixes for windows compile failures
  - Add strmov_overlapp.c where it's needed
  - Add libevent where it is required
  - Fix typo in unittest/mysys/waiting_threads-t.c
  - fix xtradb C language source so that they have variable declarations before
any operators, as it is (or was?) required in C.
=== modified file 'libmysql/CMakeLists.txt'
--- a/libmysql/CMakeLists.txt   2008-04-28 16:24:05 +
+++ b/libmysql/CMakeLists.txt   2009-09-01 11:59:54 +
@@ -94,7 +94,7 @@
  ../mysys/safemalloc.c ../mysys/sha1.c ../strings/str2int.c
  ../strings/str_alloc.c ../strings/strcend.c 
../strings/strcont.c ../strings/strend.c 
  ../strings/strfill.c ../mysys/string.c 
../strings/strinstr.c ../strings/strmake.c 
- ../strings/strmov.c ../strings/strnlen.c 
../strings/strnmov.c ../strings/strtod.c
+ ../strings/strmov.c ../strings/strmov_overlapp.c  
../strings/strnlen.c ../strings/strnmov.c ../strings/strtod.c
  ../strings/strtoll.c ../strings/strtoull.c 
../strings/strxmov.c ../strings/strxnmov.c 
  ../mysys/thr_mutex.c ../mysys/typelib.c ../vio/vio.c 
../vio/viosocket.c 
  ../vio/viossl.c ../vio/viosslfactories.c ../strings/xml.c 
../mysys/mf_qsort.c

=== modified file 'sql/CMakeLists.txt'
--- a/sql/CMakeLists.txt2008-11-21 14:21:50 +
+++ b/sql/CMakeLists.txt2009-09-01 11:59:54 +
@@ -25,6 +25,7 @@
 ${CMAKE_SOURCE_DIR}/sql 
 ${CMAKE_SOURCE_DIR}/regex 
 ${CMAKE_SOURCE_DIR}/zlib
+${CMAKE_SOURCE_DIR}/extra/libevent 
 )
 
 SET_SOURCE_FILES_PROPERTIES(${CMAKE_SOURCE_DIR}/sql/sql_yacc.h 
@@ -85,7 +86,7 @@
 
 TARGET_LINK_LIBRARIES(mysqld
   heap myisam myisammrg mysys yassl zlib debug dbug yassl 
-  taocrypt strings vio regex wsock32 ws2_32)
+  taocrypt strings vio regex libevent wsock32 ws2_32)
 
 SET_TARGET_PROPERTIES(mysqld PROPERTIES OUTPUT_NAME mysqld${MYSQLD_EXE_SUFFIX})
 
@@ -139,7 +140,7 @@
 
 # Gen_lex_hash
 ADD_EXECUTABLE(gen_lex_hash gen_lex_hash.cc)
-TARGET_LINK_LIBRARIES(gen_lex_hash debug dbug mysqlclient wsock32)
+TARGET_LINK_LIBRARIES(gen_lex_hash debug dbug mysqlclient strings wsock32)
 GET_TARGET_PROPERTY(GEN_LEX_HASH_EXE gen_lex_hash LOCATION)
 ADD_CUSTOM_COMMAND(
 OUTPUT ${PROJECT_SOURCE_DIR}/sql/lex_hash.h

=== modified file 'storage/xtradb/btr/btr0cur.c'
--- a/storage/xtradb/btr/btr0cur.c  2009-06-25 01:43:25 +
+++ b/storage/xtradb/btr/btr0cur.c  2009-09-01 11:59:54 +
@@ -3267,6 +3267,7 @@
}
 
while (rec != supremum) {
+rec_t* next_rec;
/* count recs */
if (stats_method == SRV_STATS_METHOD_IGNORE_NULLS) {
n_recs++;
@@ -3281,7 +3282,7 @@
}
}
 
-   rec_t*  next_rec = page_rec_get_next(rec);
+   next_rec = page_rec_get_next(rec);
if (next_rec == supremum) {
break;
}

=== modified file 'storage/xtradb/buf/buf0buddy.c'
--- a/storage/xtradb/buf/buf0buddy.c2009-06-25 01:43:25 +
+++ b/storage/xtradb/buf/buf0buddy.c2009-09-01 11:59:54 +
@@ -461,11 +461,11 @@
actually is a properly initialized buf_page_t object. */
 
if (size = PAGE_ZIP_MIN_SIZE) {
+   mutex_t*mutex;
if (!have_page_hash_mutex)
mutex_exit(zip_free_mutex);
 
/* This is a compressed page. */
-   mutex_t*mutex;
 
if (!have_page_hash_mutex) {
mutex_enter(LRU_list_mutex);

=== modified file 'storage/xtradb/buf/buf0flu.c'
--- a/storage/xtradb/buf/buf0flu.c  2009-06-25 01:43:25 +
+++ b/storage/xtradb/buf/buf0flu.c  2009-09-01 11:59:54 +
@@ -1106,11 +1106,13 @@
page_count += buf_flush_try_neighbors(
space, offset, flush_type);
} else {
+mutex_t* block_mutex;
+buf_page_t* bpage_tmp;
/* Try to flush the page only */
//buf_pool_mutex_enter();

[Maria-developers] Progress (by Sanja): Backport key cache to 5.0 (52)

2009-09-01 Thread worklog-noreply
---
  WORKLOG TASK
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
TASK...: Backport key cache to 5.0
CREATION DATE..: Thu, 27 Aug 2009, 09:54
SUPERVISOR.: Monty
IMPLEMENTOR: Monty
COPIES TO..: Sanja
CATEGORY...: Server-Sprint
TASK ID: 52 (http://askmonty.org/worklog/?tid=52)
VERSION: Server-5.0
STATUS.: Assigned
PRIORITY...: 60
WORKED HOURS...: 9
ESTIMATE...: 0 (hours remain)
ORIG. ESTIMATE.: 8

PROGRESS NOTES:

-=-=(Sanja - Tue, 01 Sep 2009, 15:18)=-=-
testing Monty's patch

Worked 3 hours and estimate 0 hours remain (original estimate increased by 1 
hour).

-=-=(Guest - Fri, 28 Aug 2009, 10:55)=-=-
Low Level Design modified.
--- /tmp/wklog.52.old.16945 2009-08-28 10:55:40.0 +0300
+++ /tmp/wklog.52.new.16945 2009-08-28 10:55:40.0 +0300
@@ -1 +1,22 @@
-Just copy files (mf_keycache.c  key=cache.h) and fix what should be fixed.
+Here is instructions of how to repeat this if needed:
+
+- Copy the following files from the latest MySQL 5.1 to MySQL 5.0:
+
+include/keycache.h
+include/my_bit.h
+mysys/mf_keycache.c
+mysys/mf_keycaches.c
+mysys/my_bit.c
+
+Apply the following change in mysys/mf_keycaches.c
+81c81
+ static uchar *safe_hash_entry_get(SAFE_HASH_ENTRY *entry, size_t *length,
+---
+ static uchar *safe_hash_entry_get(SAFE_HASH_ENTRY *entry, uint *length,
+
+recompile everything.
+
+Simple test to verify that this is working:
+cd mysql-test
+mysql-test-run --valgrind key_cache
+(the --valgrind argument can be left out if you don't have valgrind installed)

-=-=(Guest - Thu, 27 Aug 2009, 21:52)=-=-
- Planning code (Email dicussions  discussions with Sanja): 2 hours.
- Backport of code (2 hours). Notice that 
mysys/mf_keycaches.c::safe_hash_entry_get() is different
from the code in MySQL 5.1
- Testing code with mysql-test-run (especially running the key_cache.test with 
valgrind)
- Tested the server with sql-bench
Worked 6 hours and estimate 2 hours remain (original estimate unchanged).

-=-=(Sanja - Thu, 27 Aug 2009, 09:56)=-=-
High-Level Specification modified.
--- /tmp/wklog.52.old.20094 2009-08-27 09:56:05.0 +0300
+++ /tmp/wklog.52.new.20094 2009-08-27 09:56:05.0 +0300
@@ -1 +1 @@
-
+Backport keycache to 5.0

-=-=(Sanja - Thu, 27 Aug 2009, 09:55)=-=-
Low Level Design modified.
--- /tmp/wklog.52.old.20035 2009-08-27 09:55:25.0 +0300
+++ /tmp/wklog.52.new.20035 2009-08-27 09:55:25.0 +0300
@@ -1 +1 @@
-
+Just copy files (mf_keycache.c  key=cache.h) and fix what should be fixed.



DESCRIPTION:

Backport keycache to bring bugfixes made in 5.1.


HIGH-LEVEL SPECIFICATION:



Backport keycache to 5.0


LOW-LEVEL DESIGN:



Here is instructions of how to repeat this if needed:

- Copy the following files from the latest MySQL 5.1 to MySQL 5.0:

include/keycache.h
include/my_bit.h
mysys/mf_keycache.c
mysys/mf_keycaches.c
mysys/my_bit.c

Apply the following change in mysys/mf_keycaches.c
81c81
 static uchar *safe_hash_entry_get(SAFE_HASH_ENTRY *entry, size_t *length,
---
 static uchar *safe_hash_entry_get(SAFE_HASH_ENTRY *entry, uint *length,

recompile everything.

Simple test to verify that this is working:
cd mysql-test
mysql-test-run --valgrind key_cache
(the --valgrind argument can be left out if you don't have valgrind installed)


ESTIMATED WORK TIME

ESTIMATED COMPLETION DATE
---
WorkLog (v3.5.9)




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[Maria-developers] Progress (by Sanja): Avoid flushing keycache to disk in case of DROPping table (53)

2009-09-01 Thread worklog-noreply
---
  WORKLOG TASK
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
TASK...: Avoid flushing keycache to disk in case of DROPping table
CREATION DATE..: Thu, 27 Aug 2009, 11:12
SUPERVISOR.: Monty
IMPLEMENTOR: Sanja
COPIES TO..: 
CATEGORY...: Server-Sprint
TASK ID: 53 (http://askmonty.org/worklog/?tid=53)
VERSION: Server-5.0
STATUS.: Assigned
PRIORITY...: 60
WORKED HOURS...: 3
ESTIMATE...: 21 (hours remain)
ORIG. ESTIMATE.: 24

PROGRESS NOTES:

-=-=(Sanja - Tue, 01 Sep 2009, 15:19)=-=-
first patch

Worked 3 hours and estimate 21 hours remain (original estimate unchanged).

-=-=(Sanja - Thu, 27 Aug 2009, 11:15)=-=-
High-Level Specification modified.
--- /tmp/wklog.53.old.23490 2009-08-27 11:15:24.0 +0300
+++ /tmp/wklog.53.new.23490 2009-08-27 11:15:24.0 +0300
@@ -1 +1,3 @@
-
+To make special handler call 'prepare to drop' which mark table as changed (in
+case of server crash just before removing table it force table to be repaired)
+then flush keycache without writing on disk.



DESCRIPTION:

When DROP TABLE executed keycache flushed to disk before removing table which is
wasting of resources. So better to have table removed from keycache without
writing changes on disk.


HIGH-LEVEL SPECIFICATION:



To make special handler call 'prepare to drop' which mark table as changed (in
case of server crash just before removing table it force table to be repaired)
then flush keycache without writing on disk.


ESTIMATED WORK TIME

ESTIMATED COMPLETION DATE
---
WorkLog (v3.5.9)




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[Maria-developers] Progress (by Sanja): Avoid flushing keycache to disk in case of DROPping table (53)

2009-09-01 Thread worklog-noreply
---
  WORKLOG TASK
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
TASK...: Avoid flushing keycache to disk in case of DROPping table
CREATION DATE..: Thu, 27 Aug 2009, 11:12
SUPERVISOR.: Monty
IMPLEMENTOR: Sanja
COPIES TO..: 
CATEGORY...: Server-Sprint
TASK ID: 53 (http://askmonty.org/worklog/?tid=53)
VERSION: Server-5.0
STATUS.: Assigned
PRIORITY...: 60
WORKED HOURS...: 5
ESTIMATE...: 19 (hours remain)
ORIG. ESTIMATE.: 24

PROGRESS NOTES:

-=-=(Sanja - Tue, 01 Sep 2009, 15:20)=-=-
moving to 5.0 part1

Worked 2 hours and estimate 19 hours remain (original estimate unchanged).

-=-=(Sanja - Tue, 01 Sep 2009, 15:19)=-=-
first patch

Worked 3 hours and estimate 21 hours remain (original estimate unchanged).

-=-=(Sanja - Thu, 27 Aug 2009, 11:15)=-=-
High-Level Specification modified.
--- /tmp/wklog.53.old.23490 2009-08-27 11:15:24.0 +0300
+++ /tmp/wklog.53.new.23490 2009-08-27 11:15:24.0 +0300
@@ -1 +1,3 @@
-
+To make special handler call 'prepare to drop' which mark table as changed (in
+case of server crash just before removing table it force table to be repaired)
+then flush keycache without writing on disk.



DESCRIPTION:

When DROP TABLE executed keycache flushed to disk before removing table which is
wasting of resources. So better to have table removed from keycache without
writing changes on disk.


HIGH-LEVEL SPECIFICATION:



To make special handler call 'prepare to drop' which mark table as changed (in
case of server crash just before removing table it force table to be repaired)
then flush keycache without writing on disk.


ESTIMATED WORK TIME

ESTIMATED COMPLETION DATE
---
WorkLog (v3.5.9)




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Re: [Maria-developers] [Merge] lp:~paul-mccullagh/maria/maria-pbxt-rc2 into lp:maria

2009-09-01 Thread Kristian Nielsen
Kristian Nielsen kniel...@knielsen-hq.org writes:

 Ok, so I merged it. But now I have a problem with PBXT crashing sometimes
 during shutdown.

Filed a bug on this on Launchpad:

https://bugs.launchpad.net/maria/+bug/422550

 - Kristian.

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[Maria-developers] Rev 2749: Merge in file:///home/psergey/dev/maria-5.1-table-elim-r12/

2009-09-01 Thread Sergey Petrunya
At file:///home/psergey/dev/maria-5.1-table-elim-r12/


revno: 2749
revision-id: pser...@askmonty.org-20090901222000-st4iicaxopeex2s1
parent: pser...@askmonty.org-20090826210140-y2pba3ucdwnvr956
parent: pser...@askmonty.org-20090901115954-nge2brzh3akkmtlz
committer: Sergey Petrunya pser...@askmonty.org
branch nick: maria-5.1-table-elim-r12
timestamp: Wed 2009-09-02 02:20:00 +0400
message:
  Merge
removed:
  storage/pbxt/src/streaming_xt.cc 
streaming_xt.cc-20090326121724-x683v32twzr3fi0y-57
  storage/pbxt/src/streaming_xt.h 
streaming_xt.h-20090326121724-x683v32twzr3fi0y-58
added:
  mysql-test/suite/pbxt/t/lowercase_table_grant-master.opt 
lowercase_table_gran-20090828130852-3duj73io0g345hxj-1
  mysql-test/suite/pbxt/t/lowercase_table_qcache-master.opt 
lowercase_table_qcac-20090828130852-3duj73io0g345hxj-2
  mysql-test/suite/pbxt/t/lowercase_view-master.opt 
lowercase_viewmaster-20090828130852-3duj73io0g345hxj-3
  mysql-test/suite/pbxt/t/udf-master.opt 
udfmaster.opt-20090828130852-3duj73io0g345hxj-4
  storage/pbxt/src/pbms_enabled.cc 
pbms_enabled.cc-20090818074502-tybcb62hp1kdrk3l-1
  storage/pbxt/src/pbms_enabled.h 
pbms_enabled.h-20090818074502-tybcb62hp1kdrk3l-2
modified:
  BUILD/Makefile.am  
sp1f-makefile.am-20020102192940-dza66ux2yxyklupzjz4q3km3hvye5rnj
  libmysql/CMakeLists.txt
sp1f-cmakelists.txt-20060831175237-3bbprkzqdl3gopcnlt3evmaikau67bcq
  mysql-test/suite/pbxt/r/alter_table.result 
alter_table.result-20090402100035-4ilk9i91sh65vjcb-5
  mysql-test/suite/pbxt/r/analyze.result 
analyze.result-20090402100035-4ilk9i91sh65vjcb-7
  mysql-test/suite/pbxt/r/auto_increment.result 
auto_increment.resul-20090402100035-4ilk9i91sh65vjcb-9
  mysql-test/suite/pbxt/r/delete.result 
delete.result-20090402100035-4ilk9i91sh65vjcb-31
  mysql-test/suite/pbxt/r/distinct.result 
distinct.result-20090402100035-4ilk9i91sh65vjcb-34
  mysql-test/suite/pbxt/r/func_group.result 
func_group.result-20090402100035-4ilk9i91sh65vjcb-50
  mysql-test/suite/pbxt/r/func_math.result 
func_math.result-20090402100035-4ilk9i91sh65vjcb-55
  mysql-test/suite/pbxt/r/func_str.result 
func_str.result-20090402100035-4ilk9i91sh65vjcb-61
  mysql-test/suite/pbxt/r/grant.result 
grant.result-20090402100035-4ilk9i91sh65vjcb-65
  mysql-test/suite/pbxt/r/group_min_max.result 
group_min_max.result-20090402100035-4ilk9i91sh65vjcb-69
  mysql-test/suite/pbxt/r/join.result 
join.result-20090402100035-4ilk9i91sh65vjcb-79
  mysql-test/suite/pbxt/r/join_nested.result 
join_nested.result-20090402100035-4ilk9i91sh65vjcb-81
  mysql-test/suite/pbxt/r/key.result 
key.result-20090402100035-4ilk9i91sh65vjcb-83
  mysql-test/suite/pbxt/r/key_cache.result 
key_cache.result-20090402100035-4ilk9i91sh65vjcb-84
  mysql-test/suite/pbxt/r/key_diff.result 
key_diff.result-20090402100035-4ilk9i91sh65vjcb-85
  mysql-test/suite/pbxt/r/lowercase_view.result 
lowercase_view.resul-20090402100035-4ilk9i91sh65vjcb-96
  mysql-test/suite/pbxt/r/mysqlshow.result 
mysqlshow.result-20090402100035-4ilk9i91sh65vjcb-101
  mysql-test/suite/pbxt/r/null.result 
null.result-20090402100035-4ilk9i91sh65vjcb-104
  mysql-test/suite/pbxt/r/null_key.result 
null_key.result-20090402100035-4ilk9i91sh65vjcb-105
  mysql-test/suite/pbxt/r/partition_pruning.result 
partition_pruning.re-20090402100035-4ilk9i91sh65vjcb-117
  mysql-test/suite/pbxt/r/pbxt_bugs.result 
pbxt_bugs.result-20090402100035-4ilk9i91sh65vjcb-120
  mysql-test/suite/pbxt/r/pbxt_ref_int.result 
pbxt_ref_int.result-20090402100035-4ilk9i91sh65vjcb-123
  mysql-test/suite/pbxt/r/preload.result 
preload.result-20090402100035-4ilk9i91sh65vjcb-127
  mysql-test/suite/pbxt/r/ps_1general.result 
ps_1general.result-20090402100035-4ilk9i91sh65vjcb-130
  mysql-test/suite/pbxt/r/range.result 
range.result-20090402100035-4ilk9i91sh65vjcb-132
  mysql-test/suite/pbxt/r/schema.result 
schema.result-20090402100035-4ilk9i91sh65vjcb-138
  mysql-test/suite/pbxt/r/select.result 
select.result-20090402100035-4ilk9i91sh65vjcb-139
  mysql-test/suite/pbxt/r/select_safe.result 
select_safe.result-20090402100035-4ilk9i91sh65vjcb-141
  mysql-test/suite/pbxt/r/subselect.result 
subselect.result-20090402100035-4ilk9i91sh65vjcb-146
  mysql-test/suite/pbxt/r/type_enum.result 
type_enum.result-20090402100035-4ilk9i91sh65vjcb-155
  mysql-test/suite/pbxt/r/type_ranges.result 
type_ranges.result-20090402100035-4ilk9i91sh65vjcb-159
  mysql-test/suite/pbxt/r/type_timestamp.result 
type_timestamp.resul-20090402100035-4ilk9i91sh65vjcb-162
  mysql-test/suite/pbxt/r/union.result 
union.result-20090402100035-4ilk9i91sh65vjcb-166
  mysql-test/suite/pbxt/r/view_grant.result 
view_grant.result-20090402100035-4ilk9i91sh65vjcb-169
  mysql-test/suite/pbxt/t/auto_increment.test 
auto_increment.test-20090402100035-4ilk9i91sh65vjcb-176
  mysql-test/suite/pbxt/t/delete.test 
delete.test-20090402100035-4ilk9i91sh65vjcb-198
  mysql-test/suite/pbxt/t/join_nested.test