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Mailing list archive
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Message #06023
Exceeding configured memory
Hi all!
I run into problems with the memory configuration of MariaDB 10.3.27 on
Debian 10. It looks as if it exceeds the configured memory.
The server hat 4 GB of memory. It runs MariaDB and a Kopano
(Mail/Collaboration) server. The configuration I believe I have made is 2GB
for MariaDB, plus 1 GB for Kopano. The rest is for reserved for the OS.
If I look at the process list, I can see that mysql greatly exceeds the
configured 2GB limit:
root@exchange64:~# ps -e -o "vsz rss pid comm" | grep mysql
4933304 1604212 852 mysqld
The virtual process size is 4.9 GB, with 1.6 GB resident in RAM.
I think this is the reason why the server heavily uses swap:
root@exchange64:~# free
total used free shared buff/cache
available
Mem: 4027240 2812284 117932 49712 1097024
875632
Swap: 4191228 1963464 2227764 <- 1.9 GB of
swap in use
The server runs only one database. The database itself consists only INNODB
tables, with some of them being quite large:
MariaDB [zarafa]> show table status;
+-------------------+--------+---------+------------+---------+-------------
---+-------------+-----------------+--------------+-------------+-----------
-----+---------------------+---------------------+------------+-------------
-------+----------+-----------------------------------------+---------+-----
-------------+-----------+
| Name | Engine | Version | Row_format | Rows |
Avg_row_length | Data_length | Max_data_length | Index_length | Data_free
| Auto_increment | Create_time | Update_time | Check_time |
Collation | Checksum | Create_options |
Comment | Max_index_length | Temporary |
+-------------------+--------+---------+------------+---------+-------------
---+-------------+-----------------+--------------+-------------+-----------
-----+---------------------+---------------------+------------+-------------
-------+----------+-----------------------------------------+---------+-----
-------------+-----------+
| abchanges | InnoDB | 10 | Compact | 223 |
293 | 65536 | 0 | 98304 | 13429112832 |
57841 | 2019-10-02 08:01:57 | NULL | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| acl | InnoDB | 10 | Compact | 134 |
122 | 16384 | 0 | 0 | 13429112832 |
NULL | 2019-10-02 08:01:57 | NULL | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| changes | InnoDB | 10 | Compact | 3531055 |
136 | 483393536 | 0 | 693075968 | 13429112832 |
4601576 | 2019-10-02 08:06:06 | 2021-04-12 08:06:29 | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| deferredupdate | InnoDB | 10 | Compact | 20038 |
116 | 2342912 | 0 | 442368 | 13429112832 |
NULL | 2019-10-02 08:06:06 | 2021-04-12 08:06:29 | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| hierarchy | InnoDB | 10 | Compact | 348880 |
61 | 21495808 | 0 | 12976128 | 13429112832 |
2361351 | 2019-10-02 08:06:07 | 2021-04-12 08:06:29 | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| indexedproperties | InnoDB | 10 | Compact | 259399 |
103 | 26787840 | 0 | 25640960 | 13429112832 |
NULL | 2019-10-02 08:06:10 | 2021-04-12 08:06:29 | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| lob | InnoDB | 10 | Compact | 130069 |
175090 | 22773825536 | 0 | 0 | 13429112832 |
NULL | 2019-10-02 08:08:59 | 2021-04-12 08:05:53 | NULL |
utf8mb4_general_ci | NULL | max_rows=1000000000 avg_row_length=1750 |
| 0 | N |
| mvproperties | InnoDB | 10 | Compact | 9703 |
158 | 1540096 | 0 | 0 | 13429112832 |
NULL | 2019-10-02 08:08:59 | 2021-04-12 06:58:44 | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| names | InnoDB | 10 | Compact | 3283 |
69 | 229376 | 0 | 671744 | 13429112832 |
3294 | 2019-10-02 08:08:59 | NULL | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| object | InnoDB | 10 | Compact | 6 |
2730 | 16384 | 0 | 32768 | 13429112832 |
7 | 2019-10-02 08:08:59 | NULL | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| objectmvproperty | InnoDB | 10 | Compact | 0 |
0 | 16384 | 0 | 0 | 13429112832 |
NULL | 2019-10-02 08:08:59 | NULL | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| objectproperty | InnoDB | 10 | Compact | 40 |
409 | 16384 | 0 | 0 | 13429112832 |
NULL | 2019-10-02 08:08:59 | NULL | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| objectrelation | InnoDB | 10 | Compact | 3 |
5461 | 16384 | 0 | 0 | 13429112832 |
NULL | 2019-10-02 08:08:59 | NULL | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| outgoingqueue | InnoDB | 10 | Compact | 0 |
0 | 16384 | 0 | 0 | 13429112832 |
NULL | 2019-10-02 08:08:59 | 2021-04-12 07:20:40 | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| properties | InnoDB | 10 | Compact | 9895527 |
414 | 4104863744 | 0 | 0 | 13429112832 |
NULL | 2019-10-02 08:12:52 | 2021-04-12 08:18:25 | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| receivefolder | InnoDB | 10 | Compact | 60 |
273 | 16384 | 0 | 16384 | 13429112832 |
209 | 2019-02-06 17:01:07 | NULL | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| searchresults | InnoDB | 10 | Compact | 7404 |
161 | 1196032 | 0 | 0 | 13429112832 |
NULL | 2019-02-06 17:01:08 | 2021-04-12 06:58:46 | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| settings | InnoDB | 10 | Compact | 6 |
2730 | 16384 | 0 | 0 | 13429112832 |
NULL | 2019-02-06 17:07:00 | 2021-04-12 08:05:53 | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| singleinstances | InnoDB | 10 | Compact | 93075 |
70 | 6553600 | 0 | 4472832 | 13429112832 |
789962 | 2019-02-06 17:01:09 | 2021-04-12 08:05:53 | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| stores | InnoDB | 10 | Compact | 16 |
1024 | 16384 | 0 | 16384 | 13429112832 |
55 | 2019-02-06 17:01:09 | NULL | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| syncedmessages | InnoDB | 10 | Compact | 31098 |
135 | 4210688 | 0 | 2113536 | 13429112832 |
NULL | 2019-02-06 17:01:09 | 2021-04-12 08:08:07 | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| syncs | InnoDB | 10 | Compact | 30813 |
85 | 2621440 | 0 | 5750784 | 13429112832 |
255042 | 2019-02-06 17:01:10 | 2021-04-12 08:18:24 | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| tproperties | InnoDB | 10 | Compact | 8528065 |
103 | 881278976 | 0 | 319373312 | 13429112832 |
NULL | 2019-02-06 17:06:59 | 2021-04-12 08:06:29 | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| usergroup_acl | InnoDB | 10 | Compact | 2 |
8192 | 16384 | 0 | 0 | 13429112832 |
NULL | 2018-11-08 18:13:26 | NULL | NULL |
latin1_swedish_ci | NULL | |
| 0 | N |
| users | InnoDB | 10 | Compact | 24 |
682 | 16384 | 0 | 16384 | 13429112832 |
86 | 2019-02-06 17:06:59 | NULL | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
| versions | InnoDB | 10 | Compact | 88 |
186 | 16384 | 0 | 0 | 13429112832 |
NULL | 2019-02-06 17:06:59 | NULL | NULL |
utf8mb4_general_ci | NULL | |
| 0 | N |
+-------------------+--------+---------+------------+---------+-------------
---+-------------+-----------------+--------------+-------------+-----------
-----+---------------------+---------------------+------------+-------------
-------+----------+-----------------------------------------+---------+-----
-------------+-----------+
26 rows in set (0.490 sec)
These are the innodb variables:
MariaDB [zarafa]> show variables like 'innodb%';
+---------------------------------------------+------------------------+
| Variable_name | Value |
+---------------------------------------------+------------------------+
| innodb_adaptive_flushing | ON |
| innodb_adaptive_flushing_lwm | 10.000000 |
| innodb_adaptive_hash_index | ON |
| innodb_adaptive_hash_index_parts | 8 |
| innodb_adaptive_max_sleep_delay | 150000 |
| innodb_autoextend_increment | 64 |
| innodb_autoinc_lock_mode | 1 |
| innodb_background_scrub_data_check_interval | 3600 |
| innodb_background_scrub_data_compressed | OFF |
| innodb_background_scrub_data_interval | 604800 |
| innodb_background_scrub_data_uncompressed | OFF |
| innodb_buf_dump_status_frequency | 0 |
| innodb_buffer_pool_chunk_size | 134217728 |
| innodb_buffer_pool_dump_at_shutdown | ON |
| innodb_buffer_pool_dump_now | OFF |
| innodb_buffer_pool_dump_pct | 25 |
| innodb_buffer_pool_filename | ib_buffer_pool |
| innodb_buffer_pool_instances | 8 |
| innodb_buffer_pool_load_abort | OFF |
| innodb_buffer_pool_load_at_startup | ON |
| innodb_buffer_pool_load_now | OFF |
| innodb_buffer_pool_size | 2147483648 |
| innodb_change_buffer_max_size | 25 |
| innodb_change_buffering | all |
| innodb_checksum_algorithm | crc32 |
| innodb_checksums | ON |
| innodb_cmp_per_index_enabled | OFF |
| innodb_commit_concurrency | 0 |
| innodb_compression_algorithm | zlib |
| innodb_compression_default | OFF |
| innodb_compression_failure_threshold_pct | 5 |
| innodb_compression_level | 6 |
| innodb_compression_pad_pct_max | 50 |
| innodb_concurrency_tickets | 5000 |
| innodb_data_file_path | ibdata1:12M:autoextend |
| innodb_data_home_dir | |
| innodb_deadlock_detect | ON |
| innodb_default_encryption_key_id | 1 |
| innodb_default_row_format | dynamic |
| innodb_defragment | OFF |
| innodb_defragment_fill_factor | 0.900000 |
| innodb_defragment_fill_factor_n_recs | 20 |
| innodb_defragment_frequency | 40 |
| innodb_defragment_n_pages | 7 |
| innodb_defragment_stats_accuracy | 0 |
| innodb_disable_sort_file_cache | OFF |
| innodb_disallow_writes | OFF |
| innodb_doublewrite | ON |
| innodb_encrypt_log | OFF |
| innodb_encrypt_tables | OFF |
| innodb_encrypt_temporary_tables | OFF |
| innodb_encryption_rotate_key_age | 1 |
| innodb_encryption_rotation_iops | 100 |
| innodb_encryption_threads | 0 |
| innodb_fast_shutdown | 1 |
| innodb_fatal_semaphore_wait_threshold | 600 |
| innodb_file_format | |
| innodb_file_per_table | ON |
| innodb_fill_factor | 100 |
| innodb_flush_log_at_timeout | 1 |
| innodb_flush_log_at_trx_commit | 1 |
| innodb_flush_method | fsync |
| innodb_flush_neighbors | 1 |
| innodb_flush_sync | ON |
| innodb_flushing_avg_loops | 30 |
| innodb_force_load_corrupted | OFF |
| innodb_force_primary_key | OFF |
| innodb_force_recovery | 0 |
| innodb_ft_aux_table | |
| innodb_ft_cache_size | 8000000 |
| innodb_ft_enable_diag_print | OFF |
| innodb_ft_enable_stopword | ON |
| innodb_ft_max_token_size | 84 |
| innodb_ft_min_token_size | 3 |
| innodb_ft_num_word_optimize | 2000 |
| innodb_ft_result_cache_limit | 2000000000 |
| innodb_ft_server_stopword_table | |
| innodb_ft_sort_pll_degree | 2 |
| innodb_ft_total_cache_size | 640000000 |
| innodb_ft_user_stopword_table | |
| innodb_idle_flush_pct | 100 |
| innodb_immediate_scrub_data_uncompressed | OFF |
| innodb_instant_alter_column_allowed | add_last |
| innodb_io_capacity | 200 |
| innodb_io_capacity_max | 2000 |
| innodb_large_prefix | |
| innodb_lock_schedule_algorithm | fcfs |
| innodb_lock_wait_timeout | 50 |
| innodb_locks_unsafe_for_binlog | OFF |
| innodb_log_buffer_size | 33554432 |
| innodb_log_checksums | ON |
| innodb_log_compressed_pages | ON |
| innodb_log_file_size | 536870912 |
| innodb_log_files_in_group | 2 |
| innodb_log_group_home_dir | ./ |
| innodb_log_optimize_ddl | OFF |
| innodb_log_write_ahead_size | 8192 |
| innodb_lru_scan_depth | 1024 |
| innodb_max_dirty_pages_pct | 75.000000 |
| innodb_max_dirty_pages_pct_lwm | 0.000000 |
| innodb_max_purge_lag | 0 |
| innodb_max_purge_lag_delay | 0 |
| innodb_max_purge_lag_wait | 4294967295 |
| innodb_max_undo_log_size | 10485760 |
| innodb_monitor_disable | |
| innodb_monitor_enable | |
| innodb_monitor_reset | |
| innodb_monitor_reset_all | |
| innodb_old_blocks_pct | 37 |
| innodb_old_blocks_time | 1000 |
| innodb_online_alter_log_max_size | 134217728 |
| innodb_open_files | 1000 |
| innodb_optimize_fulltext_only | OFF |
| innodb_page_cleaners | 4 |
| innodb_page_size | 16384 |
| innodb_prefix_index_cluster_optimization | OFF |
| innodb_print_all_deadlocks | OFF |
| innodb_purge_batch_size | 300 |
| innodb_purge_rseg_truncate_frequency | 128 |
| innodb_purge_threads | 4 |
| innodb_random_read_ahead | OFF |
| innodb_read_ahead_threshold | 56 |
| innodb_read_io_threads | 4 |
| innodb_read_only | OFF |
| innodb_replication_delay | 0 |
| innodb_rollback_on_timeout | OFF |
| innodb_rollback_segments | 128 |
| innodb_scrub_log | OFF |
| innodb_scrub_log_speed | 256 |
| innodb_sort_buffer_size | 1048576 |
| innodb_spin_wait_delay | 4 |
| innodb_stats_auto_recalc | ON |
| innodb_stats_include_delete_marked | OFF |
| innodb_stats_method | nulls_equal |
| innodb_stats_modified_counter | 0 |
| innodb_stats_on_metadata | OFF |
| innodb_stats_persistent | ON |
| innodb_stats_persistent_sample_pages | 20 |
| innodb_stats_sample_pages | 8 |
| innodb_stats_traditional | ON |
| innodb_stats_transient_sample_pages | 8 |
| innodb_status_output | OFF |
| innodb_status_output_locks | OFF |
| innodb_strict_mode | ON |
| innodb_sync_array_size | 1 |
| innodb_sync_spin_loops | 30 |
| innodb_table_locks | ON |
| innodb_temp_data_file_path | ibtmp1:12M:autoextend |
| innodb_thread_concurrency | 0 |
| innodb_thread_sleep_delay | 10000 |
| innodb_tmpdir | |
| innodb_undo_directory | ./ |
| innodb_undo_log_truncate | OFF |
| innodb_undo_logs | 128 |
| innodb_undo_tablespaces | 0 |
| innodb_use_atomic_writes | ON |
| innodb_use_native_aio | ON |
| innodb_version | 10.3.27 |
| innodb_write_io_threads | 4 |
+---------------------------------------------+------------------------+
159 rows in set (0.217 sec)
And for completeness, all variables (sorry, it's long and looks ugly):
root@exchange64:/etc/mysql/conf.d#
<mailto:root@exchange64:/etc/mysql/conf.d#> echo "show variables;" | mysql
zarafa
Variable_name Value
alter_algorithm DEFAULT
aria_block_size 8192
aria_checkpoint_interval 30
aria_checkpoint_log_activity 1048576
aria_encrypt_tables OFF
aria_force_start_after_recovery_failures 0
aria_group_commit none
aria_group_commit_interval 0
aria_log_file_size 1073741824
aria_log_purge_type immediate
aria_max_sort_file_size 9223372036853727232
aria_page_checksum ON
aria_pagecache_age_threshold 300
aria_pagecache_buffer_size 134217728
aria_pagecache_division_limit 100
aria_pagecache_file_hash_size 512
aria_recover_options BACKUP,QUICK
aria_repair_threads 1
aria_sort_buffer_size 268434432
aria_stats_method nulls_unequal
aria_sync_log_dir NEWFILE
aria_used_for_temp_tables ON
auto_increment_increment 1
auto_increment_offset 1
autocommit ON
automatic_sp_privileges ON
back_log 80
basedir /usr
big_tables OFF
bind_address 127.0.0.1
binlog_annotate_row_events ON
binlog_cache_size 32768
binlog_checksum CRC32
binlog_commit_wait_count 0
binlog_commit_wait_usec 100000
binlog_direct_non_transactional_updates OFF
binlog_file_cache_size 16384
binlog_format MIXED
binlog_optimize_thread_scheduling ON
binlog_row_image FULL
binlog_stmt_cache_size 32768
bulk_insert_buffer_size 8388608
character_set_client utf8mb4
character_set_connection utf8mb4
character_set_database latin1
character_set_filesystem binary
character_set_results utf8mb4
character_set_server utf8mb4
character_set_system utf8
character_sets_dir /usr/share/mysql/charsets/
check_constraint_checks ON
collation_connection utf8mb4_general_ci
collation_database latin1_swedish_ci
collation_server utf8mb4_general_ci
column_compression_threshold 100
column_compression_zlib_level 6
column_compression_zlib_strategy DEFAULT_STRATEGY
column_compression_zlib_wrap OFF
completion_type NO_CHAIN
concurrent_insert AUTO
connect_timeout 10
core_file OFF
datadir /var/lib/mysql/
date_format %Y-%m-%d
datetime_format %Y-%m-%d %H:%i:%s
deadlock_search_depth_long 15
deadlock_search_depth_short 4
deadlock_timeout_long 50000000
deadlock_timeout_short 10000
debug_no_thread_alarm OFF
default_master_connection
default_regex_flags
default_storage_engine InnoDB
default_tmp_storage_engine
default_week_format 0
delay_key_write ON
delayed_insert_limit 100
delayed_insert_timeout 300
delayed_queue_size 1000
div_precision_increment 4
encrypt_binlog OFF
encrypt_tmp_disk_tables OFF
encrypt_tmp_files OFF
enforce_storage_engine
eq_range_index_dive_limit 0
error_count 0
event_scheduler OFF
expensive_subquery_limit 100
expire_logs_days 10
explicit_defaults_for_timestamp OFF
external_user
extra_max_connections 1
extra_port 0
flush OFF
flush_time 0
foreign_key_checks ON
ft_boolean_syntax + -><()~*:""&|
ft_max_word_len 84
ft_min_word_len 4
ft_query_expansion_limit 20
ft_stopword_file (built-in)
general_log OFF
general_log_file exchange64.log
group_concat_max_len 1048576
gtid_binlog_pos
gtid_binlog_state
gtid_current_pos
gtid_domain_id 0
gtid_ignore_duplicates OFF
gtid_pos_auto_engines
gtid_seq_no 0
gtid_slave_pos
gtid_strict_mode OFF
have_compress YES
have_crypt YES
have_dynamic_loading YES
have_geometry YES
have_openssl NO
have_profiling YES
have_query_cache YES
have_rtree_keys YES
have_ssl DISABLED
have_symlink YES
histogram_size 0
histogram_type SINGLE_PREC_HB
host_cache_size 279
hostname exchange64
identity 0
idle_readonly_transaction_timeout 0
idle_transaction_timeout 0
idle_write_transaction_timeout 0
ignore_builtin_innodb OFF
ignore_db_dirs
in_predicate_conversion_threshold 1000
in_transaction 0
init_connect
init_file
init_slave
innodb_adaptive_flushing ON
innodb_adaptive_flushing_lwm 10.000000
innodb_adaptive_hash_index ON
innodb_adaptive_hash_index_parts 8
innodb_adaptive_max_sleep_delay 150000
innodb_autoextend_increment 64
innodb_autoinc_lock_mode 1
innodb_background_scrub_data_check_interval 3600
innodb_background_scrub_data_compressed OFF
innodb_background_scrub_data_interval 604800
innodb_background_scrub_data_uncompressed OFF
innodb_buf_dump_status_frequency 0
innodb_buffer_pool_chunk_size 134217728
innodb_buffer_pool_dump_at_shutdown ON
innodb_buffer_pool_dump_now OFF
innodb_buffer_pool_dump_pct 25
innodb_buffer_pool_filename ib_buffer_pool
innodb_buffer_pool_instances 8
innodb_buffer_pool_load_abort OFF
innodb_buffer_pool_load_at_startup ON
innodb_buffer_pool_load_now OFF
innodb_buffer_pool_size 2147483648
innodb_change_buffer_max_size 25
innodb_change_buffering all
innodb_checksum_algorithm crc32
innodb_checksums ON
innodb_cmp_per_index_enabled OFF
innodb_commit_concurrency 0
innodb_compression_algorithm zlib
innodb_compression_default OFF
innodb_compression_failure_threshold_pct 5
innodb_compression_level 6
innodb_compression_pad_pct_max 50
innodb_concurrency_tickets 5000
innodb_data_file_path ibdata1:12M:autoextend
innodb_data_home_dir
innodb_deadlock_detect ON
innodb_default_encryption_key_id 1
innodb_default_row_format dynamic
innodb_defragment OFF
innodb_defragment_fill_factor 0.900000
innodb_defragment_fill_factor_n_recs 20
innodb_defragment_frequency 40
innodb_defragment_n_pages 7
innodb_defragment_stats_accuracy 0
innodb_disable_sort_file_cache OFF
innodb_disallow_writes OFF
innodb_doublewrite ON
innodb_encrypt_log OFF
innodb_encrypt_tables OFF
innodb_encrypt_temporary_tables OFF
innodb_encryption_rotate_key_age 1
innodb_encryption_rotation_iops 100
innodb_encryption_threads 0
innodb_fast_shutdown 1
innodb_fatal_semaphore_wait_threshold 600
innodb_file_format
innodb_file_per_table ON
innodb_fill_factor 100
innodb_flush_log_at_timeout 1
innodb_flush_log_at_trx_commit 1
innodb_flush_method fsync
innodb_flush_neighbors 1
innodb_flush_sync ON
innodb_flushing_avg_loops 30
innodb_force_load_corrupted OFF
innodb_force_primary_key OFF
innodb_force_recovery 0
innodb_ft_aux_table
innodb_ft_cache_size 8000000
innodb_ft_enable_diag_print OFF
innodb_ft_enable_stopword ON
innodb_ft_max_token_size 84
innodb_ft_min_token_size 3
innodb_ft_num_word_optimize 2000
innodb_ft_result_cache_limit 2000000000
innodb_ft_server_stopword_table
innodb_ft_sort_pll_degree 2
innodb_ft_total_cache_size 640000000
innodb_ft_user_stopword_table
innodb_idle_flush_pct 100
innodb_immediate_scrub_data_uncompressed OFF
innodb_instant_alter_column_allowed add_last
innodb_io_capacity 200
innodb_io_capacity_max 2000
innodb_large_prefix
innodb_lock_schedule_algorithm fcfs
innodb_lock_wait_timeout 50
innodb_locks_unsafe_for_binlog OFF
innodb_log_buffer_size 33554432
innodb_log_checksums ON
innodb_log_compressed_pages ON
innodb_log_file_size 536870912
innodb_log_files_in_group 2
innodb_log_group_home_dir ./
innodb_log_optimize_ddl OFF
innodb_log_write_ahead_size 8192
innodb_lru_scan_depth 1024
innodb_max_dirty_pages_pct 75.000000
innodb_max_dirty_pages_pct_lwm 0.000000
innodb_max_purge_lag 0
innodb_max_purge_lag_delay 0
innodb_max_purge_lag_wait 4294967295
innodb_max_undo_log_size 10485760
innodb_monitor_disable
innodb_monitor_enable
innodb_monitor_reset
innodb_monitor_reset_all
innodb_old_blocks_pct 37
innodb_old_blocks_time 1000
innodb_online_alter_log_max_size 134217728
innodb_open_files 1000
innodb_optimize_fulltext_only OFF
innodb_page_cleaners 4
innodb_page_size 16384
innodb_prefix_index_cluster_optimization OFF
innodb_print_all_deadlocks OFF
innodb_purge_batch_size 300
innodb_purge_rseg_truncate_frequency 128
innodb_purge_threads 4
innodb_random_read_ahead OFF
innodb_read_ahead_threshold 56
innodb_read_io_threads 4
innodb_read_only OFF
innodb_replication_delay 0
innodb_rollback_on_timeout OFF
innodb_rollback_segments 128
innodb_scrub_log OFF
innodb_scrub_log_speed 256
innodb_sort_buffer_size 1048576
innodb_spin_wait_delay 4
innodb_stats_auto_recalc ON
innodb_stats_include_delete_marked OFF
innodb_stats_method nulls_equal
innodb_stats_modified_counter 0
innodb_stats_on_metadata OFF
innodb_stats_persistent ON
innodb_stats_persistent_sample_pages 20
innodb_stats_sample_pages 8
innodb_stats_traditional ON
innodb_stats_transient_sample_pages 8
innodb_status_output OFF
innodb_status_output_locks OFF
innodb_strict_mode ON
innodb_sync_array_size 1
innodb_sync_spin_loops 30
innodb_table_locks ON
innodb_temp_data_file_path ibtmp1:12M:autoextend
innodb_thread_concurrency 0
innodb_thread_sleep_delay 10000
innodb_tmpdir
innodb_undo_directory ./
innodb_undo_log_truncate OFF
innodb_undo_logs 128
innodb_undo_tablespaces 0
innodb_use_atomic_writes ON
innodb_use_native_aio ON
innodb_version 10.3.27
innodb_write_io_threads 4
insert_id 0
interactive_timeout 28800
join_buffer_size 262144
join_buffer_space_limit 2097152
join_cache_level 2
keep_files_on_create OFF
key_buffer_size 134217728
key_cache_age_threshold 300
key_cache_block_size 1024
key_cache_division_limit 100
key_cache_file_hash_size 512
key_cache_segments 0
large_files_support ON
large_page_size 0
large_pages OFF
last_gtid
last_insert_id 0
lc_messages en_US
lc_messages_dir /usr/share/mysql
lc_time_names en_US
license GPL
local_infile ON
lock_wait_timeout 86400
locked_in_memory OFF
log_bin OFF
log_bin_basename
log_bin_compress OFF
log_bin_compress_min_len 256
log_bin_index
log_bin_trust_function_creators OFF
log_disabled_statements sp
log_error /var/log/mysql/error.log
log_output FILE
log_queries_not_using_indexes OFF
log_slave_updates OFF
log_slow_admin_statements ON
log_slow_disabled_statements sp
log_slow_filter
admin,filesort,filesort_on_disk,filesort_priority_queue,full_join,full_scan,
query_cache,query_cache_miss,tmp_table,tmp_table_on_disk
log_slow_rate_limit 1
log_slow_slave_statements ON
log_slow_verbosity
log_tc_size 24576
log_warnings 2
long_query_time 10.000000
low_priority_updates OFF
lower_case_file_system OFF
lower_case_table_names 0
master_verify_checksum OFF
max_allowed_packet 16777216
max_binlog_cache_size 18446744073709547520
max_binlog_size 1073741824
max_binlog_stmt_cache_size 18446744073709547520
max_connect_errors 100
max_connections 151
max_delayed_threads 20
max_digest_length 1024
max_error_count 64
max_heap_table_size 16777216
max_insert_delayed_threads 20
max_join_size 18446744073709551615
max_length_for_sort_data 1024
max_long_data_size 16777216
max_prepared_stmt_count 16382
max_recursive_iterations 4294967295
max_relay_log_size 1073741824
max_seeks_for_key 4294967295
max_session_mem_used 9223372036854775807
max_sort_length 1024
max_sp_recursion_depth 0
max_statement_time 0.000000
max_tmp_tables 32
max_user_connections 0
max_write_lock_count 4294967295
metadata_locks_cache_size 1024
metadata_locks_hash_instances 8
min_examined_row_limit 0
mrr_buffer_size 262144
multi_range_count 256
myisam_block_size 1024
myisam_data_pointer_size 6
myisam_max_sort_file_size 9223372036853727232
myisam_mmap_size 18446744073709551615
myisam_recover_options BACKUP,QUICK
myisam_repair_threads 1
myisam_sort_buffer_size 134216704
myisam_stats_method NULLS_UNEQUAL
myisam_use_mmap OFF
mysql56_temporal_format ON
net_buffer_length 16384
net_read_timeout 30
net_retry_count 10
net_write_timeout 60
old OFF
old_alter_table DEFAULT
old_mode
old_passwords OFF
open_files_limit 16186
optimizer_prune_level 1
optimizer_search_depth 62
optimizer_selectivity_sampling_limit 100
optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_in
tersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=of
f,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmat
ch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_ma
tch_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr
_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cac
he=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optim
ize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=
on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materi
alized=on
optimizer_use_condition_selectivity 1
performance_schema OFF
performance_schema_accounts_size -1
performance_schema_digests_size -1
performance_schema_events_stages_history_long_size -1
performance_schema_events_stages_history_size -1
performance_schema_events_statements_history_long_size -1
performance_schema_events_statements_history_size -1
performance_schema_events_waits_history_long_size -1
performance_schema_events_waits_history_size -1
performance_schema_hosts_size -1
performance_schema_max_cond_classes 80
performance_schema_max_cond_instances -1
performance_schema_max_digest_length 1024
performance_schema_max_file_classes 50
performance_schema_max_file_handles 32768
performance_schema_max_file_instances -1
performance_schema_max_mutex_classes 200
performance_schema_max_mutex_instances -1
performance_schema_max_rwlock_classes 40
performance_schema_max_rwlock_instances -1
performance_schema_max_socket_classes 10
performance_schema_max_socket_instances -1
performance_schema_max_stage_classes 160
performance_schema_max_statement_classes 200
performance_schema_max_table_handles -1
performance_schema_max_table_instances -1
performance_schema_max_thread_classes 50
performance_schema_max_thread_instances -1
performance_schema_session_connect_attrs_size -1
performance_schema_setup_actors_size 100
performance_schema_setup_objects_size 100
performance_schema_users_size -1
pid_file /run/mysqld/mysqld.pid
plugin_dir /usr/lib/x86_64-linux-gnu/mariadb19/plugin/
plugin_maturity gamma
port 3306
preload_buffer_size 32768
profiling OFF
profiling_history_size 15
progress_report_time 5
protocol_version 10
proxy_protocol_networks
proxy_user
pseudo_slave_mode OFF
pseudo_thread_id 10804
query_alloc_block_size 16384
query_cache_limit 1048576
query_cache_min_res_unit 4096
query_cache_size 16777216
query_cache_strip_comments OFF
query_cache_type ON
query_cache_wlock_invalidate OFF
query_prealloc_size 24576
rand_seed1 27429069
rand_seed2 533006049
range_alloc_block_size 4096
read_binlog_speed_limit 0
read_buffer_size 131072
read_only OFF
read_rnd_buffer_size 262144
relay_log
relay_log_basename
relay_log_index
relay_log_info_file relay-log.info
relay_log_purge ON
relay_log_recovery OFF
relay_log_space_limit 0
replicate_annotate_row_events ON
replicate_do_db
replicate_do_table
replicate_events_marked_for_skip REPLICATE
replicate_ignore_db
replicate_ignore_table
replicate_wild_do_table
replicate_wild_ignore_table
report_host
report_password
report_port 3306
report_user
rowid_merge_buff_size 8388608
rpl_semi_sync_master_enabled OFF
rpl_semi_sync_master_timeout 10000
rpl_semi_sync_master_trace_level 32
rpl_semi_sync_master_wait_no_slave ON
rpl_semi_sync_master_wait_point AFTER_COMMIT
rpl_semi_sync_slave_delay_master OFF
rpl_semi_sync_slave_enabled OFF
rpl_semi_sync_slave_kill_conn_timeout 5
rpl_semi_sync_slave_trace_level 32
secure_auth ON
secure_file_priv
secure_timestamp NO
server_id 1
session_track_schema ON
session_track_state_change OFF
session_track_system_variables
autocommit,character_set_client,character_set_connection,character_set_resul
ts,time_zone
session_track_transaction_info OFF
skip_external_locking ON
skip_name_resolve OFF
skip_networking OFF
skip_parallel_replication OFF
skip_replication OFF
skip_show_database OFF
slave_compressed_protocol OFF
slave_ddl_exec_mode IDEMPOTENT
slave_domain_parallel_threads 0
slave_exec_mode STRICT
slave_load_tmpdir /tmp
slave_max_allowed_packet 1073741824
slave_net_timeout 60
slave_parallel_max_queued 131072
slave_parallel_mode conservative
slave_parallel_threads 0
slave_parallel_workers 0
slave_run_triggers_for_rbr NO
slave_skip_errors OFF
slave_sql_verify_checksum ON
slave_transaction_retries 10
slave_transaction_retry_errors 1213,1205
slave_transaction_retry_interval 0
slave_type_conversions
slow_launch_time 2
slow_query_log OFF
slow_query_log_file exchange64-slow.log
socket /run/mysqld/mysqld.sock
sort_buffer_size 2097152
sql_auto_is_null OFF
sql_big_selects ON
sql_buffer_result OFF
sql_log_bin ON
sql_log_off OFF
sql_mode
STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE
_SUBSTITUTION
sql_notes ON
sql_quote_show_create ON
sql_safe_updates OFF
sql_select_limit 18446744073709551615
sql_slave_skip_counter 0
sql_warnings OFF
ssl_ca
ssl_capath
ssl_cert
ssl_cipher
ssl_crl
ssl_crlpath
ssl_key
standard_compliant_cte ON
storage_engine InnoDB
stored_program_cache 256
strict_password_validation ON
sync_binlog 0
sync_frm ON
sync_master_info 10000
sync_relay_log 10000
sync_relay_log_info 10000
system_time_zone CEST
system_versioning_alter_history ERROR
system_versioning_asof DEFAULT
table_definition_cache 400
table_open_cache 1000
table_open_cache_instances 8
tcp_keepalive_interval 0
tcp_keepalive_probes 0
tcp_keepalive_time 0
thread_cache_size 151
thread_concurrency 10
thread_handling one-thread-per-connection
thread_pool_idle_timeout 60
thread_pool_max_threads 65536
thread_pool_oversubscribe 3
thread_pool_prio_kickup_timer 1000
thread_pool_priority auto
thread_pool_size 4
thread_pool_stall_limit 500
thread_stack 299008
time_format %H:%i:%s
time_zone SYSTEM
timed_mutexes OFF
timestamp 1618208688.935216
tmp_disk_table_size 18446744073709551615
tmp_memory_table_size 16777216
tmp_table_size 16777216
tmpdir /tmp
transaction_alloc_block_size 8192
transaction_prealloc_size 4096
tx_isolation REPEATABLE-READ
tx_read_only OFF
unique_checks ON
updatable_views_with_limit YES
use_stat_tables NEVER
userstat OFF
version 10.3.27-MariaDB-0+deb10u1
version_comment Debian 10
version_compile_machine x86_64
version_compile_os debian-linux-gnu
version_malloc_library system
version_source_revision dba846ce2a4c57363c4f0256b0e6d2dd1a55ac40
version_ssl_library YaSSL 2.4.4
wait_timeout 28800
warning_count 0
wsrep_osu_method TOI
wsrep_auto_increment_control ON
wsrep_causal_reads OFF
wsrep_certification_rules strict
wsrep_certify_nonpk ON
wsrep_cluster_address
wsrep_cluster_name my_wsrep_cluster
wsrep_convert_lock_to_trx OFF
wsrep_data_home_dir /var/lib/mysql/
wsrep_dbug_option
wsrep_debug OFF
wsrep_desync OFF
wsrep_dirty_reads OFF
wsrep_drupal_282555_workaround OFF
wsrep_forced_binlog_format NONE
wsrep_gtid_domain_id 0
wsrep_gtid_mode OFF
wsrep_load_data_splitting ON
wsrep_log_conflicts OFF
wsrep_max_ws_rows 0
wsrep_max_ws_size 2147483647
wsrep_mysql_replication_bundle 0
wsrep_node_address
wsrep_node_incoming_address AUTO
wsrep_node_name exchange64
wsrep_notify_cmd
wsrep_on OFF
wsrep_patch_version wsrep_25.24
wsrep_provider none
wsrep_provider_options
wsrep_recover OFF
wsrep_reject_queries NONE
wsrep_replicate_myisam OFF
wsrep_restart_slave OFF
wsrep_retry_autocommit 1
wsrep_slave_fk_checks ON
wsrep_slave_uk_checks OFF
wsrep_slave_threads 1
wsrep_sst_auth
wsrep_sst_donor
wsrep_sst_donor_rejects_queries OFF
wsrep_sst_method rsync
wsrep_sst_receive_address AUTO
wsrep_start_position 00000000-0000-0000-0000-000000000000:-1
wsrep_sync_wait 0
Can somebody please give me an advice what I made wrong to limit the memory
usage of MariaDB to 2 GB?
Thank you very much!
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