我已经有这个问题超过 1 周了。我已经解决了其他人在 stackoverflow 上遇到的类似问题。我正在运行 Mysql 5.6.10。
它随机发生。但是每 5 分钟左右，提交就会花费很长时间。并且事务插入的大小通常在 1-2000 行左右。
我一直在更改设置，我有点失去它我决定在这里创建一个问题。
我的插入/更新是由我的程序生成的 sqlfile。然后我有一个 Windows 服务，每 1.5 分钟运行一次处理文件。我在事务模式下构建了许多 sql 文件的字符串。5 次中有 4 次运行非常顺畅，但 5 次中有 1 次会卡住。
它通常发生在同一张表上，并且大多数时候它与插入有关，但也发生在更新上。所以我怀疑它与我的表格结构有关，但在解决之前你永远不会知道:)
这是表结构
CREATE TABLE `int_links_root_1` (
`IntLinksRootId` bigint(20) NOT NULL AUTO_INCREMENT,
`UrlId` int(11) NOT NULL,
`Link` varchar(2000) NOT NULL,
`AnchorText` varchar(500) DEFAULT NULL,
`Title` varchar(2000) DEFAULT NULL,
`PageText` varchar(8000) DEFAULT NULL,
`Added` datetime DEFAULT NULL,
`LastModifiedDatetime` datetime DEFAULT NULL,
PRIMARY KEY (`IntLinksRootId`),
KEY `Int_Links_UrlId_idx_1` (`UrlId`),
FULLTEXT KEY `FullText` (`AnchorText`,`Title`,`PageText`),
CONSTRAINT `Int_Links_UrlId_idx_1` FOREIGN KEY (`UrlId`) REFERENCES `urls` (`UrlId`) ON DELETE CASCADE ON UPDATE NO ACTION
) ENGINE=InnoDB AUTO_INCREMENT=1708708 DEFAULT CHARSET=utf8$$
这些是“显示变量”
auto_increment_increment 1
auto_increment_offset 1
autocommit ON
automatic_sp_privileges ON
back_log 90
basedir C:/Program Files/MySQL/MySQL Server 5.6/
big_tables OFF
bind_address *
binlog_cache_size 32768
binlog_checksum CRC32
binlog_direct_non_transactional_updates OFF
binlog_format STATEMENT
binlog_max_flush_queue_time 0
binlog_order_commits ON
binlog_row_image FULL
binlog_rows_query_log_events OFF
binlog_stmt_cache_size 32768
bulk_insert_buffer_size 8388608
character_set_client utf8
character_set_connection utf8
character_set_database latin1
character_set_filesystem binary
character_set_results utf8
character_set_server latin1
character_set_system utf8
character_sets_dir C:\Program Files\MySQL\MySQL Server 5.6\share\charsets\
collation_connection utf8_general_ci
collation_database latin1_swedish_ci
collation_server latin1_swedish_ci
completion_type NO_CHAIN
concurrent_insert AUTO
connect_timeout 10
core_file OFF
datadir D:\MySQL6\
date_format %Y-%m-%d
datetime_format %Y-%m-%d %H:%i:%s
default_storage_engine InnoDB
default_tmp_storage_engine InnoDB
default_week_format 0
delay_key_write ON
delayed_insert_limit 100
delayed_insert_timeout 300
delayed_queue_size 1000
disconnect_on_expired_password ON
div_precision_increment 4
end_markers_in_json OFF
enforce_gtid_consistency OFF
eq_range_index_dive_limit 10
error_count 0
event_scheduler OFF
expire_logs_days 0
explicit_defaults_for_timestamp OFF
external_user
flush OFF
flush_time 0
foreign_key_checks ON
ft_boolean_syntax + -><()~*:""&|
ft_max_word_len 84
ft_min_word_len 3
ft_query_expansion_limit 20
ft_stopword_file (built-in)
general_log ON
general_log_file D:\MySQL6\WIN-0PCCFI7PPIN.log
group_concat_max_len 1024
gtid_executed
gtid_mode OFF
gtid_next AUTOMATIC
gtid_owned
gtid_purged
have_compress YES
have_crypt NO
have_dynamic_loading YES
have_geometry YES
have_openssl DISABLED
have_profiling YES
have_query_cache YES
have_rtree_keys YES
have_ssl DISABLED
have_symlink YES
host_cache_size 328
hostname WIN-0PCCFI7PPIN
identity 0
ignore_builtin_innodb OFF
ignore_db_dirs
init_connect
init_file
init_slave
innodb_adaptive_flushing ON
innodb_adaptive_flushing_lwm 10
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innodb_adaptive_max_sleep_delay 150000
innodb_additional_mem_pool_size 8388608
innodb_api_bk_commit_interval 5
innodb_api_disable_rowlock OFF
innodb_api_enable_binlog OFF
innodb_api_enable_mdl OFF
innodb_api_trx_level 0
innodb_autoextend_increment 64
innodb_autoinc_lock_mode 1
innodb_buffer_pool_dump_at_shutdown OFF
innodb_buffer_pool_dump_now OFF
innodb_buffer_pool_filename ib_buffer_pool
innodb_buffer_pool_instances 8
innodb_buffer_pool_load_abort OFF
innodb_buffer_pool_load_at_startup OFF
innodb_buffer_pool_load_now OFF
innodb_buffer_pool_size 524288000
innodb_change_buffer_max_size 25
innodb_change_buffering all
innodb_checksum_algorithm innodb
innodb_checksums ON
innodb_cmp_per_index_enabled OFF
innodb_commit_concurrency 0
innodb_compression_failure_threshold_pct 5
innodb_compression_level 6
innodb_compression_pad_pct_max 50
innodb_concurrency_tickets 5000
innodb_data_file_path ibdata1:10M:autoextend
innodb_data_home_dir D:\MySQL6
innodb_disable_sort_file_cache OFF
innodb_doublewrite ON
innodb_fast_shutdown 1
innodb_file_format Antelope
innodb_file_format_check ON
innodb_file_format_max Antelope
innodb_file_per_table ON
innodb_flush_log_at_timeout 1
innodb_flush_log_at_trx_commit 0
innodb_flush_method
innodb_flush_neighbors 1
innodb_flushing_avg_loops 30
innodb_force_load_corrupted 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_server_stopword_table
innodb_ft_sort_pll_degree 2
innodb_ft_user_stopword_table
innodb_io_capacity 200
innodb_io_capacity_max 2000
innodb_large_prefix OFF
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innodb_log_buffer_size 2097152
innodb_log_file_size 262144000
innodb_log_files_in_group 2
innodb_log_group_home_dir .\
innodb_lru_scan_depth 1024
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innodb_max_dirty_pages_pct_lwm 0
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innodb_monitor_disable
innodb_monitor_enable
innodb_monitor_reset
innodb_monitor_reset_all
innodb_old_blocks_pct 37
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innodb_online_alter_log_max_size 134217728
innodb_open_files 2000
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innodb_stats_persistent ON
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innodb_stats_sample_pages 8
innodb_stats_transient_sample_pages 8
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innodb_support_xa OFF
innodb_sync_array_size 1
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innodb_thread_concurrency 10
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innodb_undo_directory .
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innodb_undo_tablespaces 0
innodb_use_native_aio ON
innodb_use_sys_malloc ON
innodb_version 1.2.10
innodb_write_io_threads 20
insert_id 0
interactive_timeout 28800
join_buffer_size 262144
keep_files_on_create OFF
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key_cache_age_threshold 300
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key_cache_division_limit 100
large_files_support ON
large_page_size 0
large_pages OFF
last_insert_id 0
lc_messages en_US
lc_messages_dir C:\Program Files\MySQL\MySQL Server 5.6\share\
lc_time_names en_US
license GPL
local_infile ON
lock_wait_timeout 31536000
log_bin OFF
log_bin_basename
log_bin_index
log_bin_trust_function_creators OFF
log_bin_use_v1_row_events OFF
log_error D:\MySQL6\error_log.txt
log_output TABLE
log_queries_not_using_indexes OFF
log_slave_updates OFF
log_throttle_queries_not_using_indexes 0
log_warnings 1
long_query_time 3.000000
low_priority_updates OFF
lower_case_file_system ON
lower_case_table_names 1
master_info_repository FILE
master_verify_checksum OFF
max_allowed_packet 4194304
max_binlog_cache_size 18446744073709547520
max_binlog_size 1073741824
max_binlog_stmt_cache_size 18446744073709547520
max_connect_errors 100
max_connections 200
max_delayed_threads 20
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_prepared_stmt_count 16382
max_relay_log_size 0
max_seeks_for_key 4294967295
max_sort_length 1024
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max_user_connections 0
max_write_lock_count 4294967295
metadata_locks_cache_size 1024
metadata_locks_hash_instances 8
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multi_range_count 256
myisam_data_pointer_size 6
myisam_max_sort_file_size 107374182400
myisam_mmap_size 18446744073709551615
myisam_recover_options OFF
myisam_repair_threads 1
myisam_sort_buffer_size 209715200
myisam_stats_method nulls_unequal
myisam_use_mmap OFF
named_pipe ON
net_buffer_length 16384
net_read_timeout 30
net_retry_count 10
net_write_timeout 60
new OFF
old OFF
old_alter_table OFF
old_passwords 0
open_files_limit 7048
optimizer_prune_level 1
optimizer_search_depth 62
optimizer_switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on,index_condition_pushdown=on,mrr=on,mrr_cost_based=on,block_nested_loop=on,batched_key_access=off,materialization=on,semijoin=on,loosesc...
optimizer_trace enabled=off,one_line=off
optimizer_trace_features greedy_search=on,range_optimizer=on,dynamic_range=on,repeated_subselect=on
optimizer_trace_limit 1
optimizer_trace_max_mem_size 16384
optimizer_trace_offset -1
performance_schema ON
performance_schema_accounts_size 100
performance_schema_digests_size 5000
performance_schema_events_stages_history_long_size 1000
performance_schema_events_stages_history_size 10
performance_schema_events_statements_history_long_size 1000
performance_schema_events_statements_history_size 10
performance_schema_events_waits_history_long_size 1000
performance_schema_events_waits_history_size 10
performance_schema_hosts_size 100
performance_schema_max_cond_classes 80
performance_schema_max_cond_instances 1215
performance_schema_max_file_classes 50
performance_schema_max_file_handles 32768
performance_schema_max_file_instances 1750
performance_schema_max_mutex_classes 200
performance_schema_max_mutex_instances 4429
performance_schema_max_rwlock_classes 30
performance_schema_max_rwlock_instances 2286
performance_schema_max_socket_classes 10
performance_schema_max_socket_instances 300
performance_schema_max_stage_classes 150
performance_schema_max_statement_classes 167
performance_schema_max_table_handles 2858
performance_schema_max_table_instances 556
performance_schema_max_thread_classes 50
performance_schema_max_thread_instances 358
performance_schema_session_connect_attrs_size 512
performance_schema_setup_actors_size 100
performance_schema_setup_objects_size 100
performance_schema_users_size 100
port 3330
preload_buffer_size 32768
profiling OFF
profiling_history_size 15
protocol_version 10
proxy_user
pseudo_slave_mode OFF
pseudo_thread_id 1520
query_alloc_block_size 8192
query_cache_limit 1048576
query_cache_min_res_unit 4096
query_cache_size 0
query_cache_type OFF
query_cache_wlock_invalidate OFF
query_prealloc_size 8192
rand_seed1 0
rand_seed2 0
range_alloc_block_size 4096
read_buffer_size 65536
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_info_repository FILE
relay_log_purge ON
relay_log_recovery OFF
relay_log_space_limit 0
report_host
report_password
report_user
secure_auth ON
secure_file_priv
server_id 0
server_id_bits 32
server_uuid 48f32a6c-9836-11e2-9e13-984be17fa006
shared_memory OFF
shared_memory_base_name MYSQL
skip_external_locking ON
skip_name_resolve OFF
skip_networking OFF
skip_show_database OFF
slave_allow_batching OFF
slave_checkpoint_group 512
slave_checkpoint_period 300
slave_compressed_protocol OFF
slave_exec_mode STRICT
slave_load_tmpdir D:\MySQL6\Temp
slave_max_allowed_packet 1073741824
slave_net_timeout 3600
slave_parallel_workers 0
slave_pending_jobs_size_max 16777216
slave_rows_search_algorithms TABLE_SCAN,INDEX_SCAN
slave_skip_errors OFF
slave_sql_verify_checksum ON
slave_transaction_retries 10
slave_type_conversions
slow_launch_time 2
slow_query_log ON
slow_query_log_file D:\MySQL6\WIN-0PCCFI7PPIN-slow.log
socket mysqlpipe6
sort_buffer_size 524288
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,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
sql_notes ON
sql_quote_show_create ON
sql_safe_updates ON
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sql_warnings OFF
ssl_ca
ssl_capath
ssl_cert
ssl_cipher
ssl_crl
ssl_crlpath
ssl_key
storage_engine InnoDB
stored_program_cache 256
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sync_frm ON
sync_master_info 10000
sync_relay_log 10000
sync_relay_log_info 10000
system_time_zone W. Europe Daylight Time
table_definition_cache 1400
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table_open_cache_instances 1
thread_cache_size 8
thread_concurrency 10
thread_handling one-thread-per-connection
thread_stack 262144
time_format %H:%i:%s
time_zone SYSTEM
timed_mutexes OFF
timestamp 1368530016.924189
tmp_table_size 211812352
tmpdir D:/MySQL6/Temp
transaction_alloc_block_size 8192
transaction_allow_batching OFF
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tx_isolation REPEATABLE-READ
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unique_checks ON
updatable_views_with_limit YES
version 5.6.10-log
version_comment MySQL Community Server (GPL)
version_compile_machine x86_64
version_compile_os Win64
wait_timeout 28800
warning_count 0
这是显示状态
Aborted_clients 26
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Binlog_cache_disk_use 0
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Bytes_sent 1936957
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Compression OFF
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Innodb_buffer_pool_dump_status not started
Innodb_buffer_pool_load_status not started
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Questions 25
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Slave_received_heartbeats
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Ssl_callback_cache_hits 0
Ssl_cipher
Ssl_cipher_list
Ssl_client_connects 0
Ssl_connect_renegotiates 0
Ssl_ctx_verify_depth 0
Ssl_ctx_verify_mode 0
Ssl_default_timeout 0
Ssl_finished_accepts 0
Ssl_finished_connects 0
Ssl_server_not_after
Ssl_server_not_before
Ssl_session_cache_hits 0
Ssl_session_cache_misses 0
Ssl_session_cache_mode NONE
Ssl_session_cache_overflows 0
Ssl_session_cache_size 0
Ssl_session_cache_timeouts 0
Ssl_sessions_reused 0
Ssl_used_session_cache_entries 0
Ssl_verify_depth 0
Ssl_verify_mode 0
Ssl_version
Table_locks_immediate 50440
Table_locks_waited 0
Table_open_cache_hits 4
Table_open_cache_misses 0
Table_open_cache_overflows 0
Tc_log_max_pages_used 0
Tc_log_page_size 0
Tc_log_page_waits 0
Threads_cached 3
Threads_connected 5
Threads_created 8
Threads_running 3
Uptime 3329
Uptime_since_flush_status 3329
我尝试了所有不同的 innodb_flush_log_at_trx_commit 设置。我确定我的查询是最佳的，因为它们偶尔会运行得非常快，我几乎可以肯定这与我的冲洗有关。我也尝试禁用自动提交，但它仍然发生。查询缓存被禁用。但任何想法都非常受欢迎。也许我的磁盘太慢了？
该系统未投入生产，因此我可以重新启动它并测试任何建议。
请让我知道我是否可以提供更多详细信息。