TPROCC

MDEV39497: BINLOG: REPEATABLE-READ(BASELINE) vs READ-COMMITTED vs READ-UNCOMMITTED vs SERIALIZABLE

Comparison: NOPM

Threads	12.3.3-MariaDB-log	12.3.3-MariaDB-log	12.3.3-MariaDB-log	12.3.3-MariaDB-log
50	39275.000	38054.333	36658.000	41105.333

System Info (per dataset)

Property	12.3.3-MariaDB-log	12.3.3-MariaDB-log	12.3.3-MariaDB-log	12.3.3-MariaDB-log
Host	hz-bench-jeb	hz-bench-jeb	hz-bench-jeb	hz-bench-jeb
CPU	13th Gen Intel(R) Core(TM) i5-13500	13th Gen Intel(R) Core(TM) i5-13500	13th Gen Intel(R) Core(TM) i5-13500	13th Gen Intel(R) Core(TM) i5-13500
CPU Count	20	20	20	20
Core Count	14	14	14	14
Socket Count	1	1	1	1
OS	Linux	Linux	Linux	Linux
OS Version	AlmaLinux 9.7 (Moss Jungle Cat)	AlmaLinux 9.7 (Moss Jungle Cat)	AlmaLinux 9.7 (Moss Jungle Cat)	AlmaLinux 9.7 (Moss Jungle Cat)
OS Kernel	5.14.0-611.35.1.el9_7.x86_64	5.14.0-611.35.1.el9_7.x86_64	5.14.0-611.35.1.el9_7.x86_64	5.14.0-611.35.1.el9_7.x86_64
RAM	62.33 GB	62.33 GB	62.33 GB	62.33 GB

Database Info (per dataset)

Property	12.3.3-MariaDB-log	12.3.3-MariaDB-log	12.3.3-MariaDB-log	12.3.3-MariaDB-log
Database Maker	mariadb	mariadb	mariadb	mariadb
Database Version	12.3.3-MariaDB-log	12.3.3-MariaDB-log	12.3.3-MariaDB-log	12.3.3-MariaDB-log
Engine	InnoDB	InnoDB	InnoDB	InnoDB
Install Dir	mariadb-12.3.3-linux-systemd-x86_64	mariadb-12.3.3-linux-systemd-x86_64	mariadb-12.3.3-linux-systemd-x86_64	mariadb-12.3.3-linux-systemd-x86_64
DB Config Origin	CLI	CLI	CLI	CLI
DB Config Source File	MDEV39497_binlog.cnf	MDEV39497_rc_isolation_binlog.cnf	MDEV39497_ru_isolation_binlog.cnf	MDEV39497_serializable_isolation_binlog.cnf
DB Generated Config Run File	mariadb_2026_8_29_04_47_29.cnf	mariadb_2026_8_29_05_45_20.cnf	mariadb_2026_8_29_07_41_36.cnf	mariadb_2026_8_29_22_41_03.cnf
Config Contents	open_files_limit=65535 log_bin=ON innodb_buffer_pool_size=30G table_open_cache=4000 default_authentication_plugin=mysql_native_password (missing)	open_files_limit=65535 log_bin=ON innodb_buffer_pool_size=30G table_open_cache=4000 default_authentication_plugin=mysql_native_password transaction_isolation=READ-COMMITTED	open_files_limit=65535 log_bin=ON innodb_buffer_pool_size=30G table_open_cache=4000 default_authentication_plugin=mysql_native_password transaction_isolation=READ-UNCOMMITTED	open_files_limit=65535 log_bin=ON innodb_buffer_pool_size=30G table_open_cache=4000 default_authentication_plugin=mysql_native_password transaction_isolation=SERIALIZABLE

Property

12.3.3-MariaDB-log

Database Maker

mariadb

Database Version

12.3.3-MariaDB-log

Engine

InnoDB

Install Dir

mariadb-12.3.3-linux-systemd-x86_64

DB Config Origin

CLI

DB Config Source File

MDEV39497_binlog.cnf

MDEV39497_rc_isolation_binlog.cnf

MDEV39497_ru_isolation_binlog.cnf

MDEV39497_serializable_isolation_binlog.cnf

DB Generated Config Run File

mariadb_2026_8_29_04_47_29.cnf

mariadb_2026_8_29_05_45_20.cnf

mariadb_2026_8_29_07_41_36.cnf

mariadb_2026_8_29_22_41_03.cnf

Config Contents

open_files_limit=65535
log_bin=ON
innodb_buffer_pool_size=30G
table_open_cache=4000
default_authentication_plugin=mysql_native_password
(missing)

open_files_limit=65535
log_bin=ON
innodb_buffer_pool_size=30G
table_open_cache=4000
default_authentication_plugin=mysql_native_password
transaction_isolation=READ-COMMITTED

open_files_limit=65535
log_bin=ON
innodb_buffer_pool_size=30G
table_open_cache=4000
default_authentication_plugin=mysql_native_password
transaction_isolation=READ-UNCOMMITTED

open_files_limit=65535
log_bin=ON
innodb_buffer_pool_size=30G
table_open_cache=4000
default_authentication_plugin=mysql_native_password
transaction_isolation=SERIALIZABLE

Test Info (per dataset)

Property	12.3.3-MariaDB-log	12.3.3-MariaDB-log	12.3.3-MariaDB-log	12.3.3-MariaDB-log
Test Suite	hammerdb-tprocc	hammerdb-tprocc	hammerdb-tprocc	hammerdb-tprocc
Test Name	TPROCC	TPROCC	TPROCC	TPROCC
Test Case Tag	MDEV39497_BINLOG	MDEV39497_RC_ISOLATION_BINLOG	MDEV39497_RU_ISOLATION_BINLOG	MDEV39497_SERIALIZABLE_ISOLATION_BINLOG
Duration	15	15	15	15
Iterations	3	3	3	3
Timestamp	2026-8-29 05:10:02	2026-8-29 06:08:06	2026-8-29 08:04:32	2026-8-29 23:02:47
AutoGen Prop File	hammerdb-tprocc_TAF_AUTO_GEN_2026_8_29_04_47_41.properties	hammerdb-tprocc_TAF_AUTO_GEN_2026_8_29_05_45_37.properties	hammerdb-tprocc_TAF_AUTO_GEN_2026_8_29_07_41_47.properties	hammerdb-tprocc_TAF_AUTO_GEN_2026_8_29_22_41_12.properties
Checksum after run	true	true	true	true
Checksum after setup	true	true	true	true
Db type	maria	maria	maria	maria
Include html metrics	true	true	true	true
Include html result	true	true	true	true
Include html tcount	true	true	true	true
Include html timing	true	true	true	true
Include json metrics	true	true	true	true
Include json result	true	true	true	true
Include json tcount	true	true	true	true
Include json timing	true	true	true	true
Number of warehouses	100	100	100	100

Property

12.3.3-MariaDB-log

Test Suite

hammerdb-tprocc

Test Name

TPROCC

Test Case Tag

MDEV39497_BINLOG

MDEV39497_RC_ISOLATION_BINLOG

MDEV39497_RU_ISOLATION_BINLOG

MDEV39497_SERIALIZABLE_ISOLATION_BINLOG

Duration

Iterations

Timestamp

2026-8-29 05:10:02

2026-8-29 06:08:06

2026-8-29 08:04:32

2026-8-29 23:02:47

AutoGen Prop File

hammerdb-tprocc_TAF_AUTO_GEN_2026_8_29_04_47_41.properties

hammerdb-tprocc_TAF_AUTO_GEN_2026_8_29_05_45_37.properties

hammerdb-tprocc_TAF_AUTO_GEN_2026_8_29_07_41_47.properties

hammerdb-tprocc_TAF_AUTO_GEN_2026_8_29_22_41_12.properties

Checksum after run

true

Checksum after setup

true

Db type

maria

Include html metrics

true

Include html result

true

Include html tcount

true

Include html timing

true

Include json metrics

true

Include json result

true

Include json tcount

true

Include json timing

true

Number of warehouses

100

Thread Count: 50

Metric	12.3.3-MariaDB-log	12.3.3-MariaDB-log	12.3.3-MariaDB-log	12.3.3-MariaDB-log
Mean	39275.00	38054.33	36658.00	41105.33
Max	40045.00	38887.00	38366.00	41475.00
Min	38542.00	37051.00	35451.00	40771.00
StdDev	614.15	759.20	1241.65	288.49
CoV	0.02	0.02	0.03	0.01
Median (p50)	39238.00	38225.00	36157.00	41070.00
p95	39964.30	38820.80	38145.10	41434.50
p99	40028.86	38873.76	38321.82	41466.90
Skewness	0.09	-0.33	0.54	0.18
Iteration 1	40045.00	38887.00	38366.00	41475.00
Iteration 2	38542.00	38225.00	36157.00	41070.00
Iteration 3	39238.00	37051.00	35451.00	40771.00