TPROCC

MDEV39497 BIN-LOG ISOLATION RR vs RC vs RU vs SERIALIZABLE

Comparison: TPM

Threads	12.3.3-MariaDB-log	12.3.3-MariaDB-log	12.3.3-MariaDB-log	12.3.3-MariaDB-log
50	112823.000	103020.000	104461.667	96972.333

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	USER_PROPERTIES_INLINE_BLOCK	USER_PROPERTIES_INLINE_BLOCK	USER_PROPERTIES_INLINE_BLOCK	USER_PROPERTIES_INLINE_BLOCK
DB Config Source File	MDEV39497_binlog.properties	MDEV39497_rc_isolation_bin_log.properties	MDEV39497_ru_isolation_bin_log.properties	MDEV39497_serializable_isolation_bin_log.properties
DB Generated Config Run File	mariadb_2026_9_15_01_01_05.cnf	mariadb_2026_9_18_03_31_12.cnf	mariadb_2026_9_18_04_24_43.cnf	mariadb_2026_9_18_05_17_51.cnf
Config Contents	log_bin aria_pagecache_buffer_size=1G innodb_buffer_pool_size=50G server_id=1 innodb_log_file_size=1G thread_handling=one-thread-per-connection innodb_flush_log_at_trx_commit=1 default_authentication_plugin=mysql_native_password (missing)	log_bin aria_pagecache_buffer_size=1G innodb_buffer_pool_size=50G (missing) innodb_log_file_size=1G thread_handling=one-thread-per-connection innodb_flush_log_at_trx_commit=1 default_authentication_plugin=mysql_native_password transaction_isolation=READ-COMMITTED	log_bin aria_pagecache_buffer_size=1G innodb_buffer_pool_size=50G (missing) innodb_log_file_size=1G thread_handling=one-thread-per-connection innodb_flush_log_at_trx_commit=1 default_authentication_plugin=mysql_native_password transaction_isolation=READ-UNCOMMITTED	log_bin aria_pagecache_buffer_size=1G innodb_buffer_pool_size=50G (missing) innodb_log_file_size=1G thread_handling=one-thread-per-connection innodb_flush_log_at_trx_commit=1 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

USER_PROPERTIES_INLINE_BLOCK

DB Config Source File

MDEV39497_binlog.properties

MDEV39497_rc_isolation_bin_log.properties

MDEV39497_ru_isolation_bin_log.properties

MDEV39497_serializable_isolation_bin_log.properties

DB Generated Config Run File

mariadb_2026_9_15_01_01_05.cnf

mariadb_2026_9_18_03_31_12.cnf

mariadb_2026_9_18_04_24_43.cnf

mariadb_2026_9_18_05_17_51.cnf

Config Contents

log_bin
aria_pagecache_buffer_size=1G
innodb_buffer_pool_size=50G
server_id=1
innodb_log_file_size=1G
thread_handling=one-thread-per-connection
innodb_flush_log_at_trx_commit=1
default_authentication_plugin=mysql_native_password
(missing)

log_bin
aria_pagecache_buffer_size=1G
innodb_buffer_pool_size=50G
(missing)
innodb_log_file_size=1G
thread_handling=one-thread-per-connection
innodb_flush_log_at_trx_commit=1
default_authentication_plugin=mysql_native_password
transaction_isolation=READ-COMMITTED

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_READ_COMMITTED_BIN_LOG	MDEV39497_READ_UNCOMMITTED_BIN_LOG	MDEV39497_SERIALIZABLE_BIN_LOG
Duration	15	15	15	15
Iterations	3	3	3	3
Timestamp	2026-9-15 01:19:21	2026-9-18 03:49:32	2026-9-18 04:42:57	2026-9-18 05:36:08
AutoGen Prop File	hammerdb-tprocc_TAF_AUTO_GEN_2026_9_15_01_01_23.properties	hammerdb-tprocc_TAF_AUTO_GEN_2026_9_18_03_31_30.properties	hammerdb-tprocc_TAF_AUTO_GEN_2026_9_18_04_25_00.properties	hammerdb-tprocc_TAF_AUTO_GEN_2026_9_18_05_18_08.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	5	5	5	5

Property

12.3.3-MariaDB-log

Test Suite

hammerdb-tprocc

Test Name

TPROCC

Test Case Tag

MDEV39497_BINLOG

MDEV39497_READ_COMMITTED_BIN_LOG

MDEV39497_READ_UNCOMMITTED_BIN_LOG

MDEV39497_SERIALIZABLE_BIN_LOG

Duration

Iterations

Timestamp

2026-9-15 01:19:21

2026-9-18 03:49:32

2026-9-18 04:42:57

2026-9-18 05:36:08

AutoGen Prop File

hammerdb-tprocc_TAF_AUTO_GEN_2026_9_15_01_01_23.properties

hammerdb-tprocc_TAF_AUTO_GEN_2026_9_18_03_31_30.properties

hammerdb-tprocc_TAF_AUTO_GEN_2026_9_18_04_25_00.properties

hammerdb-tprocc_TAF_AUTO_GEN_2026_9_18_05_18_08.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

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	112823.00	103020.00	104461.67	96972.33
Max	115177.00	103913.00	105946.00	98767.00
Min	110681.00	101986.00	102134.00	94337.00
StdDev	1841.60	792.99	1666.58	1903.73
CoV	0.02	0.01	0.02	0.02
Median (p50)	112611.00	103161.00	105305.00	97813.00
p95	114920.40	103837.80	105881.90	98671.60
p99	115125.68	103897.96	105933.18	98747.92
Skewness	0.17	-0.26	-0.63	-0.58
Iteration 1	110681.00	101986.00	102134.00	94337.00
Iteration 2	115177.00	103913.00	105946.00	97813.00
Iteration 3	112611.00	103161.00	105305.00	98767.00