Description:
Connection is lost while executing a large insert query (approx 512K). Problem was first seen using C api. But can be duplicated using msql client. We have only experienced this on one of our customers servers and have been unable to replicate it in house. Customers server details:
OS Name Microsoft Windows 2000 Server
Version 5.0.2195 Service Pack 4 Build 2195
Processor x86 Family 15 Model 3 Stepping 4GenuineIntel 3GHz
Processor x86 Family 15 Model 3 Stepping 4GenuineIntel 3GHz
Physical Memory 1GB
show global variables output:
Variable_name Value
auto_increment_increment 1
auto_increment_offset 1
automatic_sp_privileges ON
back_log 100
basedir D:\\EntuitySoftware\\database\\
binlog_cache_size 32768
bulk_insert_buffer_size 8388608
character_set_client latin1
character_set_connection latin1
character_set_database latin1
character_set_filesystem binary
character_set_results latin1
character_set_server latin1
character_set_system utf8
character_sets_dir D:\\EntuitySoftware\\database\\share\\charsets\\
collation_connection latin1_swedish_ci
collation_database latin1_swedish_ci
collation_server latin1_swedish_ci
completion_type 0
concurrent_insert 1
connect_timeout 5
datadir D:\\EntuitySoftware\\database\\data\\
date_format %Y-%m-%d
datetime_format %Y-%m-%d %H:%i:%s
default_week_format 0
delay_key_write ALL
delayed_insert_limit 500
delayed_insert_timeout 300
delayed_queue_size 10000
div_precision_increment 4
engine_condition_pushdown OFF
expire_logs_days 0
flush OFF
flush_time 1800
ft_boolean_syntax + -><()~*:""&|
ft_max_word_len 84
ft_min_word_len 4
ft_query_expansion_limit 20
ft_stopword_file (built-in)
group_concat_max_len 1024
have_archive YES
have_bdb NO
have_blackhole_engine NO
have_compress YES
have_crypt NO
have_csv NO
have_example_engine NO
have_federated_engine NO
have_geometry YES
have_innodb DISABLED
have_isam NO
have_ndbcluster NO
have_openssl DISABLED
have_query_cache YES
have_raid NO
have_rtree_keys YES
have_symlink YES
init_connect
init_file
init_slave
innodb_additional_mem_pool_size 1048576
innodb_autoextend_increment 8
innodb_buffer_pool_awe_mem_mb 0
innodb_buffer_pool_size 8388608
innodb_checksums ON
innodb_commit_concurrency 0
innodb_concurrency_tickets 500
innodb_data_file_path
innodb_data_home_dir
innodb_doublewrite ON
innodb_fast_shutdown 1
innodb_file_io_threads 4
innodb_file_per_table OFF
innodb_flush_log_at_trx_commit 1
innodb_flush_method
innodb_force_recovery 0
innodb_lock_wait_timeout 50
innodb_locks_unsafe_for_binlog OFF
innodb_log_arch_dir
innodb_log_archive OFF
innodb_log_buffer_size 1048576
innodb_log_file_size 5242880
innodb_log_files_in_group 2
innodb_log_group_home_dir
innodb_max_dirty_pages_pct 90
innodb_max_purge_lag 0
innodb_mirrored_log_groups 1
innodb_open_files 300
innodb_support_xa ON
innodb_sync_spin_loops 20
innodb_table_locks ON
innodb_thread_concurrency 8
innodb_thread_sleep_delay 10000
interactive_timeout 28800
join_buffer_size 131072
key_buffer_size 201326592
key_cache_age_threshold 300
key_cache_block_size 1024
key_cache_division_limit 100
language D:\\EntuitySoftware\\database\\share\\english\\
large_files_support ON
large_page_size 0
large_pages OFF
license Commercial
local_infile ON
log OFF
log_bin OFF
log_bin_trust_function_creators OFF
log_error D:\\EntuitySoftware\\log\\mysqld.error.log
log_slave_updates OFF
log_slow_queries ON
log_warnings 1
long_query_time 15
low_priority_updates OFF
lower_case_file_system ON
lower_case_table_names 2
max_allowed_packet 1048576
max_binlog_cache_size 4294967295
max_binlog_size 1073741824
max_connect_errors 999999999
max_connections 400
max_delayed_threads 100
max_error_count 64
max_heap_table_size 16777216
max_insert_delayed_threads 100
max_join_size 4294967295
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
max_sp_recursion_depth 0
max_tmp_tables 32
max_user_connections 0
max_write_lock_count 4294967295
multi_range_count 256
myisam_data_pointer_size 6
myisam_max_sort_file_size 2147483647
myisam_recover_options FORCE
myisam_repair_threads 1
myisam_sort_buffer_size 8388608
myisam_stats_method nulls_unequal
named_pipe OFF
net_buffer_length 16384
net_read_timeout 30
net_retry_count 10
net_write_timeout 60
new OFF
old_passwords OFF
open_files_limit 2010
optimizer_prune_level 1
optimizer_search_depth 62
pid_file D:/EntuitySoftware/log/mysqld.pid
prepared_stmt_count 0
port 3306
preload_buffer_size 32768
protocol_version 10
query_alloc_block_size 8192
query_cache_limit 1048576
query_cache_min_res_unit 4096
query_cache_size 0
query_cache_type ON
query_cache_wlock_invalidate OFF
query_prealloc_size 8192
range_alloc_block_size 2048
read_buffer_size 131072
read_only OFF
read_rnd_buffer_size 262144
relay_log_purge ON
relay_log_space_limit 0
rpl_recovery_rank 0
secure_auth OFF
shared_memory OFF
shared_memory_base_name MYSQL
server_id 0
skip_external_locking ON
skip_networking OFF
skip_show_database OFF
slave_compressed_protocol OFF
slave_load_tmpdir D:\\EntuitySoftware\\database\\data\\temp\\
slave_net_timeout 3600
slave_skip_errors OFF
slave_transaction_retries 10
slow_launch_time 2
sort_buffer_size 2097144
sql_mode
sql_notes ON
sql_warnings ON
storage_engine MyISAM
sync_binlog 0
sync_frm ON
system_time_zone India Standard Time
table_cache 500
table_lock_wait_timeout 50
table_type MyISAM
thread_cache_size 0
thread_stack 196608
time_format %H:%i:%s
time_zone SYSTEM
timed_mutexes OFF
tmp_table_size 33554432
tmpdir D:/EntuitySoftware/database/data/temp
transaction_alloc_block_size 8192
transaction_prealloc_size 4096
tx_isolation REPEATABLE-READ
updatable_views_with_limit YES
version 5.0.22-pro-nt-log
version_comment MySQL Pro (Commercial)
version_compile_machine ia32
version_compile_os Win32
wait_timeout 86400
How to repeat:
mysql> create database daves;
Query OK, 1 row affected (0.01 sec)
mysql> use daves;
Database changed
mysql> CREATE TABLE `dstransform` (
-> `dsTransformId` int(10) unsigned NOT NULL auto_increment,
-> `dsName` char(64) NOT NULL default '',
-> `dsDescr` char(128) NOT NULL default '',
-> `dsClientData` blob,
-> `dsInputTypeId` int(10) unsigned NOT NULL,
-> `dsOutputTypeId` int(10) unsigned NOT NULL,
-> PRIMARY KEY (`dsTransformId`),
-> UNIQUE KEY `dsName` (`dsName`)
-> ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
Query OK, 0 rows affected (0.05 sec)
mysql> source ..\..\install\transform.sql
ERROR 2006 (HY000): MySQL server has gone awaymysql> source ..\..\install\transform.sql
ERROR 2006 (HY000): MySQL server has gone away
Description: Connection is lost while executing a large insert query (approx 512K). Problem was first seen using C api. But can be duplicated using msql client. We have only experienced this on one of our customers servers and have been unable to replicate it in house. Customers server details: OS Name Microsoft Windows 2000 Server Version 5.0.2195 Service Pack 4 Build 2195 Processor x86 Family 15 Model 3 Stepping 4GenuineIntel 3GHz Processor x86 Family 15 Model 3 Stepping 4GenuineIntel 3GHz Physical Memory 1GB show global variables output: Variable_name Value auto_increment_increment 1 auto_increment_offset 1 automatic_sp_privileges ON back_log 100 basedir D:\\EntuitySoftware\\database\\ binlog_cache_size 32768 bulk_insert_buffer_size 8388608 character_set_client latin1 character_set_connection latin1 character_set_database latin1 character_set_filesystem binary character_set_results latin1 character_set_server latin1 character_set_system utf8 character_sets_dir D:\\EntuitySoftware\\database\\share\\charsets\\ collation_connection latin1_swedish_ci collation_database latin1_swedish_ci collation_server latin1_swedish_ci completion_type 0 concurrent_insert 1 connect_timeout 5 datadir D:\\EntuitySoftware\\database\\data\\ date_format %Y-%m-%d datetime_format %Y-%m-%d %H:%i:%s default_week_format 0 delay_key_write ALL delayed_insert_limit 500 delayed_insert_timeout 300 delayed_queue_size 10000 div_precision_increment 4 engine_condition_pushdown OFF expire_logs_days 0 flush OFF flush_time 1800 ft_boolean_syntax + -><()~*:""&| ft_max_word_len 84 ft_min_word_len 4 ft_query_expansion_limit 20 ft_stopword_file (built-in) group_concat_max_len 1024 have_archive YES have_bdb NO have_blackhole_engine NO have_compress YES have_crypt NO have_csv NO have_example_engine NO have_federated_engine NO have_geometry YES have_innodb DISABLED have_isam NO have_ndbcluster NO have_openssl DISABLED have_query_cache YES have_raid NO have_rtree_keys YES have_symlink YES init_connect init_file init_slave innodb_additional_mem_pool_size 1048576 innodb_autoextend_increment 8 innodb_buffer_pool_awe_mem_mb 0 innodb_buffer_pool_size 8388608 innodb_checksums ON innodb_commit_concurrency 0 innodb_concurrency_tickets 500 innodb_data_file_path innodb_data_home_dir innodb_doublewrite ON innodb_fast_shutdown 1 innodb_file_io_threads 4 innodb_file_per_table OFF innodb_flush_log_at_trx_commit 1 innodb_flush_method innodb_force_recovery 0 innodb_lock_wait_timeout 50 innodb_locks_unsafe_for_binlog OFF innodb_log_arch_dir innodb_log_archive OFF innodb_log_buffer_size 1048576 innodb_log_file_size 5242880 innodb_log_files_in_group 2 innodb_log_group_home_dir innodb_max_dirty_pages_pct 90 innodb_max_purge_lag 0 innodb_mirrored_log_groups 1 innodb_open_files 300 innodb_support_xa ON innodb_sync_spin_loops 20 innodb_table_locks ON innodb_thread_concurrency 8 innodb_thread_sleep_delay 10000 interactive_timeout 28800 join_buffer_size 131072 key_buffer_size 201326592 key_cache_age_threshold 300 key_cache_block_size 1024 key_cache_division_limit 100 language D:\\EntuitySoftware\\database\\share\\english\\ large_files_support ON large_page_size 0 large_pages OFF license Commercial local_infile ON log OFF log_bin OFF log_bin_trust_function_creators OFF log_error D:\\EntuitySoftware\\log\\mysqld.error.log log_slave_updates OFF log_slow_queries ON log_warnings 1 long_query_time 15 low_priority_updates OFF lower_case_file_system ON lower_case_table_names 2 max_allowed_packet 1048576 max_binlog_cache_size 4294967295 max_binlog_size 1073741824 max_connect_errors 999999999 max_connections 400 max_delayed_threads 100 max_error_count 64 max_heap_table_size 16777216 max_insert_delayed_threads 100 max_join_size 4294967295 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 max_sp_recursion_depth 0 max_tmp_tables 32 max_user_connections 0 max_write_lock_count 4294967295 multi_range_count 256 myisam_data_pointer_size 6 myisam_max_sort_file_size 2147483647 myisam_recover_options FORCE myisam_repair_threads 1 myisam_sort_buffer_size 8388608 myisam_stats_method nulls_unequal named_pipe OFF net_buffer_length 16384 net_read_timeout 30 net_retry_count 10 net_write_timeout 60 new OFF old_passwords OFF open_files_limit 2010 optimizer_prune_level 1 optimizer_search_depth 62 pid_file D:/EntuitySoftware/log/mysqld.pid prepared_stmt_count 0 port 3306 preload_buffer_size 32768 protocol_version 10 query_alloc_block_size 8192 query_cache_limit 1048576 query_cache_min_res_unit 4096 query_cache_size 0 query_cache_type ON query_cache_wlock_invalidate OFF query_prealloc_size 8192 range_alloc_block_size 2048 read_buffer_size 131072 read_only OFF read_rnd_buffer_size 262144 relay_log_purge ON relay_log_space_limit 0 rpl_recovery_rank 0 secure_auth OFF shared_memory OFF shared_memory_base_name MYSQL server_id 0 skip_external_locking ON skip_networking OFF skip_show_database OFF slave_compressed_protocol OFF slave_load_tmpdir D:\\EntuitySoftware\\database\\data\\temp\\ slave_net_timeout 3600 slave_skip_errors OFF slave_transaction_retries 10 slow_launch_time 2 sort_buffer_size 2097144 sql_mode sql_notes ON sql_warnings ON storage_engine MyISAM sync_binlog 0 sync_frm ON system_time_zone India Standard Time table_cache 500 table_lock_wait_timeout 50 table_type MyISAM thread_cache_size 0 thread_stack 196608 time_format %H:%i:%s time_zone SYSTEM timed_mutexes OFF tmp_table_size 33554432 tmpdir D:/EntuitySoftware/database/data/temp transaction_alloc_block_size 8192 transaction_prealloc_size 4096 tx_isolation REPEATABLE-READ updatable_views_with_limit YES version 5.0.22-pro-nt-log version_comment MySQL Pro (Commercial) version_compile_machine ia32 version_compile_os Win32 wait_timeout 86400 How to repeat: mysql> create database daves; Query OK, 1 row affected (0.01 sec) mysql> use daves; Database changed mysql> CREATE TABLE `dstransform` ( -> `dsTransformId` int(10) unsigned NOT NULL auto_increment, -> `dsName` char(64) NOT NULL default '', -> `dsDescr` char(128) NOT NULL default '', -> `dsClientData` blob, -> `dsInputTypeId` int(10) unsigned NOT NULL, -> `dsOutputTypeId` int(10) unsigned NOT NULL, -> PRIMARY KEY (`dsTransformId`), -> UNIQUE KEY `dsName` (`dsName`) -> ) ENGINE=MyISAM DEFAULT CHARSET=latin1; Query OK, 0 rows affected (0.05 sec) mysql> source ..\..\install\transform.sql ERROR 2006 (HY000): MySQL server has gone awaymysql> source ..\..\install\transform.sql ERROR 2006 (HY000): MySQL server has gone away