Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Fixed
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10.6
Description
New bad effect observed on 10.6 development trees.
origin/10.6-MDEV-33588 a4389ec605fe2d027ec09850fb736078c250ce3a 2024-03-11T17:06:05+02:00
origin/10.6-MDEV-29445 84aeca81340231a01503020f15cc315ab96a9f1d 2024-03-11T17:07:46+02:00
Per Marko the problem should be in non development trees too.
Scenario:
1. Start the DB Server and generate some initial data.
2. Several connections run some DDL/DML mix concurrent.
3. During 2. is ongoing it is tried to make a backup of the server started in 1.
There are cases where the mariabackup --backup seems to hang.
The output of mariabackup looks than like
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[rr 1184693 8399][00] 2024-03-13 06:19:02 Acquiring BACKUP LOCKS...
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[rr 1184693 18924]2024-03-13 6:19:10 0 [Note] InnoDB: Read redo log up to LSN=10555392
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...
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[rr 1184693 242736]2024-03-13 6:22:10 0 [Note] InnoDB: Read redo log up to LSN=10555392
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sdp:/data1/results/1710335849/Backup_hang$ _RR_TRACE_DIR=./1_clone/rr rr replay --mark-stdio
Why is there no progress of the backup operation like finish the backup or entries
with higher LSN within the timespan between 6:19:10 and 6:22:10?
RQG
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===
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# git clone https://github.com/mleich1/rqg --branch <pick the right branch> RQG
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#
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# GIT_SHOW: HEAD -> master 26bcf9cae09ec7d53ae8d2c378235f349fb1accd 2023-12-01T16:27:59+01:00
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# rqg.pl : Version 4.5.0 (2023-12)
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#
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# $RQG_HOME/rqg.pl \
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# --grammar=conf/mariadb/partitions_innodb.yy \
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# --gendata-advanced \
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# --skip-gendata \
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# --mysqld=--loose-innodb_lock_schedule_algorithm=fcfs \
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# --mysqld=--loose-idle_write_transaction_timeout=0 \
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# --mysqld=--loose-idle_transaction_timeout=0 \
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# --mysqld=--loose-idle_readonly_transaction_timeout=0 \
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# --mysqld=--connect_timeout=60 \
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# --mysqld=--interactive_timeout=28800 \
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# --mysqld=--slave_net_timeout=60 \
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# --mysqld=--net_read_timeout=30 \
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# --mysqld=--net_write_timeout=60 \
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# --mysqld=--loose-table_lock_wait_timeout=50 \
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# --mysqld=--wait_timeout=28800 \
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# --no_mask \
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# --queries=10000000 \
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# --seed=random \
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# --reporters=None \
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# --reporters=ErrorLog \
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# --reporters=Deadlock \
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# --validators=None \
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# --mysqld=--log_output=none \
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# --mysqld=--log_bin_trust_function_creators=1 \
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# --mysqld=--loose-debug_assert_on_not_freed_memory=0 \
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# --engine=InnoDB \
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# --restart_timeout=360 \
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# --mysqld=--plugin-load-add=file_key_management.so \
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# --mysqld=--loose-file-key-management-filename=$RQG_HOME/conf/mariadb/encryption_keys.txt \
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# --mysqld=--plugin-load-add=provider_lzo.so \
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# --mysqld=--plugin-load-add=provider_bzip2.so \
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# --mysqld=--plugin-load-add=provider_lzma.so \
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# --mysqld=--plugin-load-add=provider_snappy.so \
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# --mysqld=--plugin-load-add=provider_lz4.so \
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# --mysqld=--loose-innodb_compression_level=1 \
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# --duration=300 \
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# --mysqld=--loose-innodb_fatal_semaphore_wait_threshold=300 \
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# --mysqld=--lock-wait-timeout=86400 \
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# --mysqld=--innodb-lock-wait-timeout=50 \
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# --mysqld=--innodb-lock-wait-timeout=50 \
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# --mysqld=--loose-innodb_fast_shutdown=1 \
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# --mysqld=--sql_mode=traditional \
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# --mysqld=--loose-innodb_read_only_compressed=OFF \
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# --reporters=Mariabackup_linux \
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# --duration=300 \
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# --mysqld=--loose-innodb-log-file-size=200M \
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# --mysqld=--loose-innodb-sync-debug \
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# --mysqld=--innodb_stats_persistent=off \
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# --mysqld=--innodb_adaptive_hash_index=off \
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# --mysqld=--innodb_sort_buffer_size=65536 \
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# --mysqld=--innodb_random_read_ahead=OFF \
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# --mysqld=--loose-innodb_evict_tables_on_commit_debug=on \
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# --mysqld=--loose-max-statement-time=30 \
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# --threads=33 \
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# --mysqld=--innodb-use-native-aio=0 \
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# --mysqld=--loose-gdb \
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# --mysqld=--loose-debug-gdb \
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# --rr=Extended \
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# --rr_options=--wait \
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# --mysqld=--innodb_undo_log_truncate=OFF \
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# --mysqld=--loose_innodb_change_buffering=all \
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# --mysqld=--innodb_undo_tablespaces=3 \
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# --mysqld=--innodb_rollback_on_timeout=OFF \
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# --mysqld=--innodb_page_size=64K \
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# --mysqld=--innodb-buffer-pool-size=24M \
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# --vardir_type=slow \
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# --no_mask \
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# <local settings>
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