[Freeswitch-users] Lock wait timeout exceeded; try restarting transaction

Fri Jul 26 23:35:39 MSD 2013

Would PostgreSQL be a “better” choice with less “issues”? Just curious.

Thanks,

Ira Tessler
Lead Software Engineer
ConnectMe
(732) 490-9007 x2
ira at connectmevoice.com

*From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Anthony
Minessale
*Sent:* Friday, July 26, 2013 2:57 PM
*To:* FreeSWITCH Users Help
*Subject:* Re: [Freeswitch-users] Lock wait timeout exceeded; try
restarting transaction

We don't support issues in mysql other than recommending the settings to
fix the broken locking.

ODBC and mysql both have their own issues and bug trackers.

The problem is they struggle with multi-threaded applications and you need
to do research to find a stable combo of driver and odbc lib.

On Fri, Jul 26, 2013 at 1:44 PM, Ira Tessler <ira at connectmevoice.com> wrote:

I  made the change in odbcinst.ini not odbc.ini.

# Driver from the mysql-connector-odbc package

# Setup from the unixODBC-libs package

[MySQL]

Description     = ODBC for MySQL

Driver          = /usr/lib/libmyodbc3_r.so

Setup           = /usr/lib/libodbcmyS.so

Driver64        = /usr/lib64/libmyodbc3_r.so

Setup64         = /usr/lib64/libodbcmyS.so

UsageCount      = 1 ß also added this like as per the wiki

FileUsage       = 1

Threading       = 0 ß-  added this line as per the wiki

So far so good.

Ira Tessler
Lead Software Engineer
ConnectMe
(732) 490-9007 x2
ira at connectmevoice.com

*From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Lloyd Aloysius
*Sent:* Friday, July 26, 2013 2:34 PM

*To:* FreeSWITCH Users Help
*Subject:* Re: [Freeswitch-users] Lock wait timeout exceeded; try
restarting transaction

if you can generate this problem. Better you open a issue in JIRA

Lloyd

* *

On Fri, Jul 26, 2013 at 12:32 PM, Ira Tessler <ira at connectmevoice.com>
wrote:

Sorry ment 1.4.0_latest J

Ira Tessler
Lead Software Engineer
ConnectMe
(732) 490-9007 x2
ira at connectmevoice.com

*From:* Ira Tessler [mailto:ira at connectmevoice.com]
*Sent:* Friday, July 26, 2013 12:28 PM
*To:* FreeSWITCH Users Help
*Subject:* RE: [Freeswitch-users] Lock wait timeout exceeded; try
restarting transaction

Thanks. I’ll give it a try and let you know. FYI, I had it happen on 1.2.9
and 1.2.4_lastest tarball.

Ira Tessler
Lead Software Engineer
ConnectMe
(732) 490-9007 x2
ira at connectmevoice.com

*From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Lloyd Aloysius
*Sent:* Friday, July 26, 2013 12:10 PM
*To:* FreeSWITCH Users Help
*Subject:* Re: [Freeswitch-users] Lock wait timeout exceeded; try
restarting transaction

I saw this problem several times in my Dev environment. No calls ... Only
two registrations.

But after I add threading=0 in odbc.ini , I never see this problem again.
Also I am using most recent version of freeswitch

I am interested into know why this happening even no activity in mysql. I
have lots of resources in the machine.

Lloyd

On Fri, Jul 26, 2013 at 11:30 AM, Ira Tessler <ira at connectmevoice.com>
wrote:

I am getting the same problem on my development system today. I just put up
a new version of mysql. Went from 5.1.67 to 5.6.12. Here is the deadlock
section:

------------------------

LATEST DETECTED DEADLOCK

------------------------

2013-07-26 11:23:22 7fd473f1e700

*** (1) TRANSACTION:

TRANSACTION 251674, ACTIVE 2 sec fetching rows

mysql tables in use 1, locked 1

LOCK WAIT 3 lock struct(s), heap size 376, 3 row lock(s)

MySQL thread id 38, OS thread handle 0x7fd473fa0700, query id 156782
192.168.1.27 root updating

delete from registrations where expires > 0 and expires <= 1374852304 and
hostname='freeswitch_ha0'

*** (1) WAITING FOR THIS LOCK TO BE GRANTED:

RECORD LOCKS space id 10 page no 3 n bits 96 index `GEN_CLUST_INDEX` of
table `freeswitch`.`registrations` trx id 251674 lock_mode X waiting

Record lock, heap no 22 PHYSICAL RECORD: n_fields 13; compact format; info
bits 32

0: len 6; hex 000000001769; asc      i;;

1: len 6; hex 00000003d709; asc       ;;

2: len 7; hex 070000015b0352; asc     [ R;;

3: len 3; hex 373033; asc 703;;

4: len 28; hex 32323535352e7463702e6861312e746573747362636461782e636f6d;
asc 22555.tcp.ha1.testsbcdax.com;;

5: len 30; hex
313030303130342d302d313730333030304034372e32332e3130362e3233; asc
1000104-0-1703000 at 47.23.106.23; (total 31 bytes);

6: len 30; hex
736f6669612f6861315f696e7465726e616c5f7463702f7369703a373033; asc
sofia/ha1_internal_tcp/sip:703; (total 152 bytes);

7: len 4; hex d1f2962a; asc    *;;

8: len 12; hex 31302e31302e31302e313032; asc 10.10.10.102;;

9: len 5; hex 3230303031; asc 20001;;

10: len 3; hex 746370; asc tcp;;

11: len 14; hex 667265657377697463685f686131; asc freeswitch_ha1;;

12: SQL NULL;

*** (2) TRANSACTION:

TRANSACTION 251657, ACTIVE 2 sec starting index read

mysql tables in use 1, locked 1

5 lock struct(s), heap size 1248, 5 row lock(s), undo log entries 2

MySQL thread id 28, OS thread handle 0x7fd473f1e700, query id 156786
192.168.1.45 root updating

delete from registrations where expires > 0 and expires <= 1374852306 and
hostname='freeswitch_ha1'

*** (2) HOLDS THE LOCK(S):

RECORD LOCKS space id 10 page no 3 n bits 96 index `GEN_CLUST_INDEX` of
table `freeswitch`.`registrations` trx id 251657 lock_mode X locks rec but
not gap

Record lock, heap no 22 PHYSICAL RECORD: n_fields 13; compact format; info
bits 32

0: len 6; hex 000000001769; asc      i;;

1: len 6; hex 00000003d709; asc       ;;

2: len 7; hex 070000015b0352; asc     [ R;;

3: len 3; hex 373033; asc 703;;

4: len 28; hex 32323535352e7463702e6861312e746573747362636461782e636f6d;
asc 22555.tcp.ha1.testsbcdax.com;;

5: len 30; hex
313030303130342d302d313730333030304034372e32332e3130362e3233; asc
1000104-0-1703000 at 47.23.106.23; (total 31 bytes);

6: len 30; hex
736f6669612f6861315f696e7465726e616c5f7463702f7369703a373033; asc
sofia/ha1_internal_tcp/sip:703; (total 152 bytes);

7: len 4; hex d1f2962a; asc    *;;

8: len 12; hex 31302e31302e31302e313032; asc 10.10.10.102;;

9: len 5; hex 3230303031; asc 20001;;

10: len 3; hex 746370; asc tcp;;

11: len 14; hex 667265657377697463685f686131; asc freeswitch_ha1;;

12: SQL NULL;

*** (2) WAITING FOR THIS LOCK TO BE GRANTED:

RECORD LOCKS space id 10 page no 3 n bits 96 index `GEN_CLUST_INDEX` of
table `freeswitch`.`registrations` trx id 251657 lock_mode X waiting

Record lock, heap no 3 PHYSICAL RECORD: n_fields 13; compact format; info
bits 0

0: len 6; hex 0000000016d1; asc       ;;

1: len 6; hex 000000033bc4; asc     ; ;;

2: len 7; hex d20000022f0110; asc     /  ;;

3: len 3; hex 383033; asc 803;;

4: len 21; hex 32323535382e636d767465737474656c652e636f6d; asc
22558.cmvtesttele.com;;

5: len 30; hex
62326365383430342d6438313665303162403139322e3136382e3230302e; asc
b2ce8404-d816e01b at 192.168.200.; (total 33 bytes);

6: len 30; hex
736f6669612f6861305f696e7465726e616c2f7369703a38303340313038; asc
sofia/ha0_internal/sip:803 at 108; (total 46 bytes);

7: len 4; hex d1f29d68; asc    h;;

8: len 14; hex 3130382e35382e3130302e313432; asc 108.58.100.142;;

9: len 4; hex 35303630; asc 5060;;

10: len 3; hex 756470; asc udp;;

11: len 14; hex 667265657377697463685f686130; asc freeswitch_ha0;;

12: SQL NULL;

*** WE ROLL BACK TRANSACTION (1)

------------

TRANSACTIONS

------------

Trx id counter 252611

Purge done for trx's n:o < 252607 undo n:o < 0 state: running but idle

History list length 2731

LIST OF TRANSACTIONS FOR EACH SESSION:

---TRANSACTION 252530, not started

MySQL thread id 127, OS thread handle 0x7fd49c0e4700, query id 157673
192.168.1.45 root cleaning up

---TRANSACTION 252039, not started

MySQL thread id 126, OS thread handle 0x7fd473e1a700, query id 157059
192.168.1.45 root cleaning up

---TRANSACTION 252344, not started

MySQL thread id 125, OS thread handle 0x7fd46f12a700, query id 157516
192.168.1.27 root cleaning up

---TRANSACTION 0, not started

MySQL thread id 117, OS thread handle 0x7fd473e5b700, query id 157835
localhost root init

show engine innodb status

---TRANSACTION 252610, not started

MySQL thread id 42, OS thread handle 0x7fd46f332700, query id 157834
192.168.1.27 root cleaning up

---TRANSACTION 252382, not started

MySQL thread id 39, OS thread handle 0x7fd473f5f700, query id 157566
192.168.1.27 root cleaning up

---TRANSACTION 252605, not started

MySQL thread id 38, OS thread handle 0x7fd473fa0700, query id 157830
192.168.1.27 root cleaning up

---TRANSACTION 252378, not started

MySQL thread id 37, OS thread handle 0x7fd473edd700, query id 157553
192.168.1.27 root cleaning up

---TRANSACTION 252609, not started

MySQL thread id 33, OS thread handle 0x7fd46f22e700, query id 157832
192.168.1.45 root cleaning up

---TRANSACTION 252387, not started

MySQL thread id 30, OS thread handle 0x7fd46f26f700, query id 157592
192.168.1.45 root cleaning up

---TRANSACTION 252396, not started

MySQL thread id 29, OS thread handle 0x7fd473fe1700, query id 157609
192.168.1.45 root cleaning up

---TRANSACTION 252319, not started

MySQL thread id 28, OS thread handle 0x7fd473f1e700, query id 157496
192.168.1.45 root cleaning up

---TRANSACTION 252386, not started

MySQL thread id 27, OS thread handle 0x7fd46f2b0700, query id 157579
192.168.1.45 root cleaning up

Ira Tessler
Lead Software Engineer
ConnectMe
(732) 490-9007 x2
ira at connectmevoice.com

*From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Steven Ayre
*Sent:* Wednesday, July 17, 2013 3:55 PM
*To:* FreeSWITCH Users Help
*Subject:* Re: [Freeswitch-users] Lock wait timeout exceeded; try
restarting transaction

Run 'SHOW ENGINE INNODB STATUS\G'

What does it show in the latest deadlock section?

On 17 July 2013 14:16, Lloyd Aloysius <lloyd.aloysius at gmail.com> wrote:

This is newly installed switch. Only one call and two registrations. I do
not do any queries against the DB. I do not see the problem again in last
24 hours. But want to know how to solve this issue.

Switch - 2 Quad Core / 24 GB Memory / 15RPM SCSI , DB - 2 Quad Core / 24 GB
Memory / 15RPM SCSI . Switch and DB connected through a cross over cable
directly. I do not think this related to a environment issue.

Thanks

Lloyd

On Tue, Jul 16, 2013 at 7:01 AM, Steven Ayre <steveayre at gmail.com> wrote:

+1

The error is the actual MySQL error, so yes it's definitely a lock timeout.

This means two different queries were trying to access the same data at the
same time. Normally one'll wait until the other is finished, but if it
waits too long you get the lock timeout error.

It can be caused by a query taking too long, or a transaction modifying the
data but then taking too long before commit. To avoid that make sure MySQL
is tuned correctly. Good indexes on the tables and good sizes for the cache
buffers.

Make sure you're using a proper index for the delete operation, I'd also
avoid ORs if possible.

The query is part of mod_sofia, so isn't modifiable. Having a
KEY(hostname,expires) on sip_dialogs may help though if it doesn't already
exist (check with SHOW CREATE TABLE sip_dialogs).

Avoid accessing sip_dialogs from any of your own code to minimise the
number of things that might block each other.

-Steve

On 16 July 2013 06:48, Rafal Gwizdala <rafal.gwizdala at gmail.com> wrote:

I'd bet this is a lock timeout, caused by database operation taking too
long.

Make sure you're using a proper index for the delete operation, I'd also
avoid ORs if possible.

R

On Tue, Jul 16, 2013 at 4:21 AM, Lloyd Aloysius <lloyd.aloysius at gmail.com>
wrote:

Hi,

I got the following error

2013-07-15 21:47:41.061450 [ERR] switch_odbc.c:514 ERR: [delete from
sip_dialogs where (expires = -1 or (expires > 0 and expires <= 1373939087))
and hostname='mydomain.com']

[STATE: HY000 CODE 1205 ERROR: [unixODBC][MySQL][ODBC 5.1
Driver][mysqld-5.5.32]Lock wait timeout exceeded; try restarting
transaction]

and the odbcinst.ini

[MySQL]

Description     = ODBC for MySQL

Driver          = /usr/lib/libmyodbc5.so

Setup           = /usr/lib/libodbcmyS.so

Driver64        = /usr/lib64/libmyodbc5.so

Setup64         = /usr/lib64/libodbcmyS.so

FileUsage       = 1

Threading       = 0

UsageCount      = 1

This is a mysql memory leak? How can fix this error?

DB Server running with 24 GB memory and 2 Quad Core Xeon

Thanks

Lloyd

_________________________________________________________________________
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_________________________________________________________________________
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consulting at freeswitch.org
http://www.freeswitchsolutions.com

Official FreeSWITCH Sites
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http://wiki.freeswitch.org
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_________________________________________________________________________
Professional FreeSWITCH Consulting Services:
consulting at freeswitch.org
http://www.freeswitchsolutions.com

Official FreeSWITCH Sites
http://www.freeswitch.org
http://wiki.freeswitch.org
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FreeSWITCH-users mailing list
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UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
http://www.freeswitch.org

_________________________________________________________________________
Professional FreeSWITCH Consulting Services:
consulting at freeswitch.org
http://www.freeswitchsolutions.com

Official FreeSWITCH Sites
http://www.freeswitch.org
http://wiki.freeswitch.org
http://www.cluecon.com

FreeSWITCH-users mailing list
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UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
http://www.freeswitch.org

_________________________________________________________________________
Professional FreeSWITCH Consulting Services:
consulting at freeswitch.org
http://www.freeswitchsolutions.com

Official FreeSWITCH Sites
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http://wiki.freeswitch.org
http://www.cluecon.com

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UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
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_________________________________________________________________________
Professional FreeSWITCH Consulting Services:
consulting at freeswitch.org
http://www.freeswitchsolutions.com

Official FreeSWITCH Sites
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http://wiki.freeswitch.org
http://www.cluecon.com

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-- 
Anthony Minessale II

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