Innobackupex fails when using --throttle

Bug #1554235 reported by Agustín on 2016-03-07
This bug affects 3 people
Affects Status Importance Assigned to Milestone
Percona XtraBackup moved to
Status tracked in 2.4
Won't Fix
Fix Released
Sergei Glushchenko
Fix Released
Sergei Glushchenko

Bug Description

Innobackupex 2.4.1 is failing when using --throttle:

# strace -f -s1024 -o/tmp/innobackupex.strace /usr/bin/innobackupex --throttle=25 --no-timestamp /tmp/backup/backup_1

[...output trimmed...]

160307 21:54:58 Backup created in directory '/tmp/backup/backup_1'
MySQL binlog position: filename 'VM-ubuntu14-bin.000001', position '154'
160307 21:54:58 [00] Writing backup-my.cnf
160307 21:54:58 [00] ...done
160307 21:54:58 [00] Writing xtrabackup_info
160307 21:54:58 [00] ...done
xtrabackup: Transaction log of lsn (32348688) to (32348697) was copied.
21:54:59 UTC - xtrabackup got signal 11 ;
This could be because you hit a bug or data is corrupted.
This error can also be caused by malfunctioning hardware.
Attempting to collect some information that could help diagnose the problem.
As this is a crash and something is definitely wrong, the information
collection process might fail.

Thread pointer: 0x0
Attempting backtrace. You can use the following information to find out
where mysqld died. If you see no messages after this, something went
terribly wrong...
stack_bottom = 0 thread_stack 0x10000

Please report a bug at


# innobackupex --version
innobackupex version 2.4.1 Linux (x86_64) (revision id: a2dc9d4)

# mysql -e "show variables like '%version%'";
| Variable_name | Value |
| innodb_version | 5.7.11 |
| protocol_version | 10 |
| slave_type_conversions | |
| tls_version | TLSv1,TLSv1.1 |
| version | 5.7.11-log |
| version_comment | MySQL Community Server (GPL) |
| version_compile_machine | x86_64 |
| version_compile_os | Linux |

# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.4 LTS
Release: 14.04
Codename: trusty

Attaching full innobackupex output, and will attach strace output, too.


Agustín (agustin-gallego) wrote :
Agustín (agustin-gallego) wrote :

Attaching strace output.

Agustín (agustin-gallego) wrote :

Attaching output of successful run with no --throttle argument set.

Looks like we don't have --throttle covered in our test suite.

pako (pakonet) wrote :

We have exactly the same problem trying to backup MySQL 5.7.11 slave server using Xtrabackup 2.4.1 with --throttle enabled.

Percona now uses JIRA for bug reports so this bug report is migrated to:

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