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MySQL Compressed Backup
[root@test zwc]# ls -lh total 953M -rw-rw---- 1 mysql mysql 61 Nov 3 22:03 db.opt -rw-rw---- 1 mysql mysql 8.5K Nov 3 22:10 t1.frm -rw-rw---- 1 mysql mysql 191M Nov 3 22:25 t1.MYD -rw-rw---- 1 mysql mysql 295M Nov 3 22:42 t1.MYI -rw-rw---- 1 mysql mysql 8.4K Nov 3 22:11 t2.frm -rw-rw---- 1 mysql mysql 468M Nov 3 22:40 t2.ibd Using MEBnormal backup[root@test backup]# time /service/mysql5.5/bin/mysqlbackup --user=root --backup-dir=/backup/meb_normal backup-and-apply-log --socket=/data/mysql5.5/mysql.sock --password MySQL Enterprise Backup version 3.8.2 [2013/06/18] Copyright (c) 2003, 2012, Oracle and/or its affiliates. All Rights Reserved. mysqlbackup: INFO: Starting with following command line ... /service/mysql5.5/bin/mysqlbackup --user=root --backup-dir=/backup/meb_normal backup-and-apply-log --socket=/data/mysql5.5/mysql.sock --password
Enter password:
mysqlbackup: INFO: MySQL server version is '5.5.25-log'.
mysqlbackup: INFO: Got some server configuration information from running server.
IMPORTANT: Please check that mysqlbackup run completes successfully.
At the end of a successful 'backup-and-apply-log' run mysqlbackup
prints "mysqlbackup completed OK!".
-------------------------------------------------------------------- Server Repository Options: -------------------------------------------------------------------- datadir = /data/mysql5.5/ innodb_data_home_dir = innodb_data_file_path = ibdata1:10M:autoextend innodb_log_group_home_dir = /data/mysql5.5/ innodb_log_files_in_group = 3 innodb_log_file_size = 536870912 innodb_page_size = Null innodb_checksum_algorithm = innodb -------------------------------------------------------------------- Backup Config Options: -------------------------------------------------------------------- datadir = /backup/meb_normal/datadir innodb_data_home_dir = /backup/meb_normal/datadir innodb_data_file_path = ibdata1:10M:autoextend innodb_log_group_home_dir = /backup/meb_normal/datadir innodb_log_files_in_group = 3 innodb_log_file_size = 536870912 innodb_page_size = 16384 innodb_checksum_algorithm = innodb
mysqlbackup: INFO: Unique generated backup id for this is 13834928576619365 mysqlbackup: INFO: Uses posix_fadvise() for performance optimization. mysqlbackup: INFO: Creating 14 buffers each of size 16777216. 131103 23:34:19 mysqlbackup: INFO: Full Backup operation starts with following threads 1 read-threads 6 process-threads 1 write-threads 131103 23:34:19 mysqlbackup: INFO: System tablespace file format is Antelope. 131103 23:34:19 mysqlbackup: INFO: Starting to copy all innodb files... 131103 23:34:19 mysqlbackup: INFO: Copying /data/mysql5.5/ibdata1 (Antelope file format). 131103 23:34:19 mysqlbackup: INFO: Found checkpoint at lsn 3406071002. 131103 23:34:19 mysqlbackup: INFO: Starting log scan from lsn 3406070784. 131103 23:34:19 mysqlbackup: INFO: Copying log... 131103 23:34:19 mysqlbackup: INFO: Log copied, lsn 3406071002. 131103 23:34:19 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/_global_qs_variables.ibd (Antelope file format). 131103 23:34:19 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/_global_script_report_data.ibd (Antelope file format). 131103 23:34:19 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/_global_split_column_names_table.ibd (Antelope file format). 131103 23:34:19 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/_global_sql_tokens.ibd (Antelope file format). 131103 23:34:19 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/_known_thread_states.ibd (Antelope file format). 131103 23:34:19 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/_named_scripts.ibd (Antelope file format). 131103 23:34:19 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/_script_statements.ibd (Antelope file format). 131103 23:34:19 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/_waits.ibd (Antelope file format). 131103 23:34:19 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/help_content.ibd (Antelope file format). 131103 23:34:19 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/metadata.ibd (Antelope file format). 131103 23:34:19 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/numbers.ibd (Antelope file format). 131103 23:34:19 mysqlbackup: INFO: Copying /data/mysql5.5/zwc/t2.ibd (Antelope file format). mysqlbackup: Progress in MB: 200 400 131103 23:34:31 mysqlbackup: INFO: Completing the copy of innodb files. 131103 23:34:32 mysqlbackup: INFO: Preparing to lock tables: Connected to mysqld server. 131103 23:34:32 mysqlbackup: INFO: Starting to lock all the tables... 131103 23:34:32 mysqlbackup: INFO: All tables are locked and flushed to disk 131103 23:34:32 mysqlbackup: INFO: Opening backup source directory '/data/mysql5.5/' 131103 23:34:32 mysqlbackup: INFO: Starting to backup all non-innodb files in subdirectories of '/data/mysql5.5/' 131103 23:34:32 mysqlbackup: INFO: Copying the database directory 'common_schema' 131103 23:34:32 mysqlbackup: INFO: Copying the database directory 'mysql' 131103 23:34:32 mysqlbackup: INFO: Copying the database directory 'performance_schema' 131103 23:34:32 mysqlbackup: INFO: Copying the database directory 'test' 131103 23:34:32 mysqlbackup: INFO: Copying the database directory 'zwc' mysqlbackup: Progress in MB: 600 800 131103 23:34:43 mysqlbackup: INFO: Completing the copy of all non-innodb files. 131103 23:34:46 mysqlbackup: INFO: A copied database page was modified at 3406071002. (This is the highest lsn found on page) Scanned log up to lsn 3406074168. Was able to parse the log up to lsn 3406074168. Maximum page number for a log record 312 131103 23:34:46 mysqlbackup: INFO: All tables unlocked 131103 23:34:46 mysqlbackup: INFO: All MySQL tables were locked for 14.202 seconds. 131103 23:34:46 mysqlbackup: INFO: Full Backup operation completed successfully. 131103 23:34:46 mysqlbackup: INFO: Backup created in directory '/backup/meb_normal' 131103 23:34:46 mysqlbackup: INFO: MySQL binlog position: filename ZWC-TEST.000015, position 11153
------------------------------------------------------------- Parameters Summary ------------------------------------------------------------- Start LSN : 3406070784 End LSN : 3406074168 ------------------------------------------------------------- mysqlbackup: INFO: Creating 14 buffers each of size 65536. 131103 23:34:46 mysqlbackup: INFO: Apply-log operation starts with following threads 1 read-threads 1 process-threads 131103 23:34:46 mysqlbackup: INFO: ibbackup_logfile's creation parameters: start lsn 3406070784, end lsn 3406074168, start checkpoint 3406071002. mysqlbackup: INFO: InnoDB: Starting an apply batch of log records to the database... InnoDB: Progress in percent: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 Setting log file size to 536870912 InnoDB: Progress in MB: 100 200 300 400 500 Setting log file size to 536870912 InnoDB: Progress in MB: 100 200 300 400 500 Setting log file size to 536870912 InnoDB: Progress in MB: 100 200 300 400 500 131103 23:35:08 mysqlbackup: INFO: We were able to parse ibbackup_logfile up to lsn 3406074168. mysqlbackup: INFO: Last MySQL binlog file position 0 11153, file name ./ZWC-TEST.000015 131103 23:35:08 mysqlbackup: INFO: The first data file is '/backup/meb_normal/datadir/ibdata1' and the new created log files are at '/backup/meb_normal/datadir' 131103 23:35:08 mysqlbackup: INFO: Apply-log operation completed successfully. 131103 23:35:08 mysqlbackup: INFO: Full backup prepared for recovery successfully. mysqlbackup completed OK! real 0m54.611s user 0m1.119s sys 0m3.415s [root@test backup]# [root@test backup]# [root@test backup]# du -sh /backup/meb_normal 2.5G /backup/meb_normal compressed backup[root@test backup]# time /service/mysql5.5/bin/mysqlbackup --user=root --backup-dir=/backup/meb_compressed --compress --socket=/data/mysql5.5/mysql.sock --password backup MySQL Enterprise Backup version 3.8.2 [2013/06/18] Copyright (c) 2003, 2012, Oracle and/or its affiliates. All Rights Reserved. mysqlbackup: INFO: Starting with following command line ... /service/mysql5.5/bin/mysqlbackup --user=root --backup-dir=/backup/meb_compressed --compress --socket=/data/mysql5.5/mysql.sock --password backup
Enter password:
mysqlbackup: INFO: MySQL server version is '5.5.25-log'.
mysqlbackup: INFO: Got some server configuration information from running server.
IMPORTANT: Please check that mysqlbackup run completes successfully.
At the end of a successful 'backup' run mysqlbackup
prints "mysqlbackup completed OK!".
-------------------------------------------------------------------- Server Repository Options: -------------------------------------------------------------------- datadir = /data/mysql5.5/ innodb_data_home_dir = innodb_data_file_path = ibdata1:10M:autoextend innodb_log_group_home_dir = /data/mysql5.5/ innodb_log_files_in_group = 3 innodb_log_file_size = 536870912 innodb_page_size = Null innodb_checksum_algorithm = innodb -------------------------------------------------------------------- Backup Config Options: -------------------------------------------------------------------- datadir = /backup/meb_compressed/datadir innodb_data_home_dir = /backup/meb_compressed/datadir innodb_data_file_path = ibdata1:10M:autoextend innodb_log_group_home_dir = /backup/meb_compressed/datadir innodb_log_files_in_group = 3 innodb_log_file_size = 536870912 innodb_page_size = 16384 innodb_checksum_algorithm = innodb mysqlbackup: INFO: Unique generated backup id for this is 13834930694674075 mysqlbackup: INFO: Uses posix_fadvise() for performance optimization. mysqlbackup: INFO: Creating 18 buffers each of size 16794070. 131103 23:37:51 mysqlbackup: INFO: Compress Backup operation starts with following threads 1 read-threads 6 process-threads 1 write-threads 131103 23:37:51 mysqlbackup: INFO: System tablespace file format is Antelope. 131103 23:37:51 mysqlbackup: INFO: Starting to copy all innodb files... 131103 23:37:51 mysqlbackup: INFO: Copying /data/mysql5.5/ibdata1 (Antelope file format). 131103 23:37:51 mysqlbackup: INFO: Found checkpoint at lsn 3406075519. 131103 23:37:51 mysqlbackup: INFO: Starting log scan from lsn 3406075392. 131103 23:37:51 mysqlbackup: INFO: Copying log... 131103 23:37:51 mysqlbackup: INFO: Log copied, lsn 3406075519. 131103 23:37:51 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/_global_qs_variables.ibd (Antelope file format). 131103 23:37:51 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/_global_script_report_data.ibd (Antelope file format). 131103 23:37:51 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/_global_split_column_names_table.ibd (Antelope file format). 131103 23:37:51 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/_global_sql_tokens.ibd (Antelope file format). 131103 23:37:51 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/_known_thread_states.ibd (Antelope file format). 131103 23:37:51 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/_named_scripts.ibd (Antelope file format). 131103 23:37:51 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/_script_statements.ibd (Antelope file format). 131103 23:37:51 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/_waits.ibd (Antelope file format). 131103 23:37:51 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/help_content.ibd (Antelope file format). 131103 23:37:51 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/metadata.ibd (Antelope file format). 131103 23:37:51 mysqlbackup: INFO: Copying /data/mysql5.5/common_schema/numbers.ibd (Antelope file format). 131103 23:37:51 mysqlbackup: INFO: Copying /data/mysql5.5/zwc/t2.ibd (Antelope file format). mysqlbackup: Progress in MB: 200 400 131103 23:37:59 mysqlbackup: INFO: Completing the copy of innodb files. 131103 23:38:02 mysqlbackup: INFO: Preparing to lock tables: Connected to mysqld server. 131103 23:38:02 mysqlbackup: INFO: Starting to lock all the tables... 131103 23:38:02 mysqlbackup: INFO: All tables are locked and flushed to disk 131103 23:38:02 mysqlbackup: INFO: Opening backup source directory '/data/mysql5.5/' 131103 23:38:02 mysqlbackup: INFO: Starting to backup all non-innodb files in subdirectories of '/data/mysql5.5/' 131103 23:38:02 mysqlbackup: INFO: Copying the database directory 'common_schema' 131103 23:38:02 mysqlbackup: INFO: Copying the database directory 'mysql' 131103 23:38:03 mysqlbackup: INFO: Copying the database directory 'performance_schema' 131103 23:38:03 mysqlbackup: INFO: Copying the database directory 'test' 131103 23:38:03 mysqlbackup: INFO: Copying the database directory 'zwc' mysqlbackup: Progress in MB: 600 800 131103 23:38:14 mysqlbackup: INFO: Completing the copy of all non-innodb files. 131103 23:38:16 mysqlbackup: INFO: A copied database page was modified at 3406075519. (This is the highest lsn found on page) Scanned log up to lsn 3406078687. Was able to parse the log up to lsn 3406078687. Maximum page number for a log record 316 131103 23:38:16 mysqlbackup: INFO: All tables unlocked 131103 23:38:16 mysqlbackup: INFO: All MySQL tables were locked for 13.426 seconds. 131103 23:38:16 mysqlbackup: INFO: Compressed 496 MB of data files to 200573 kbytes (compression 60.51%). 131103 23:38:16 mysqlbackup: INFO: Compress Backup operation completed successfully. 131103 23:38:16 mysqlbackup: INFO: Backup created in directory '/backup/meb_compressed' 131103 23:38:16 mysqlbackup: INFO: MySQL binlog position: filename ZWC-TEST.000015, position 16895
------------------------------------------------------------- Parameters Summary ------------------------------------------------------------- Start LSN : 3406075392 End LSN : 3406078687 ------------------------------------------------------------- mysqlbackup completed OK! real 0m29.922s user 0m9.333s sys 0m1.924s [root@test backup]# [root@test backup]# [root@test backup]# du -sh /backup/meb_compressed 684M /backup/meb_compressed [root@test zwc]# ll -h /backup/meb_compressed/datadir/zwc total 680M -rw-r--r-- 1 root root 61 Nov 3 23:38 db.opt -rw-r--r-- 1 root root 8.5K Nov 3 23:38 t1.frm -rw-r--r-- 1 root root 191M Nov 3 23:38 t1.MYD -rw-r--r-- 1 root root 295M Nov 3 23:38 t1.MYI -rw-r--r-- 1 root root 8.4K Nov 3 23:38 t2.frm -rw-r--r-- 1 root root 195M Nov 3 23:38 t2.ibz Innodb Tablespace compressed independently .ibz suffix, MyISAM uncompressed!Using XtraBackupnormal backup[root@test backup]# time innobackupex --defaults-file=/service/mysql5.5/my.cnf --rsync --user=root --no-timestamp --password=root /backup/xtra_normal InnoDB Backup Utility v1.5.1-xtrabackup; Copyright 2003, 2009 Innobase Oy and Percona LLC and/or its affiliates 2009-2013. All Rights Reserved. This software is published under the GNU GENERAL PUBLIC LICENSE Version 2, June 1991. 131104 00:17:55 innobackupex: Connecting to MySQL server with DSN 'dbi:mysql:;mysql_read_default_file=/service/mysql5.5/my.cnf;mysql_read_default_group=xtrabackup' as 'root' (using password: YES). 131104 00:17:55 innobackupex: Connected to MySQL server IMPORTANT: Please check that the backup run completes successfully. At the end of a successful backup run innobackupex prints "completed OK!". innobackupex: Using mysql server version 5.5.25-log innobackupex: Created backup directory /backup/xtra_normal 131104 00:17:55 innobackupex: Starting ibbackup with command: xtrabackup_55 --defaults-file="/service/mysql5.5/my.cnf" --defaults-group="mysqld" --backup --suspend-at-end --target-dir=/backup/xtra_normal --tmpdir=/tmp innobackupex: Waiting for ibbackup (pid=4569) to suspend innobackupex: Suspend file '/backup/xtra_normal/xtrabackup_suspended_2' xtrabackup_55 version 2.1.5 for Percona Server 5.5.31 Linux (x86_64) (revision id: 680) xtrabackup: uses posix_fadvise(). xtrabackup: cd to /data/mysql5.5 xtrabackup: using the following InnoDB configuration: xtrabackup: innodb_data_home_dir = ./ xtrabackup: innodb_data_file_path = ibdata1:10M:autoextend xtrabackup: innodb_log_group_home_dir = ./ xtrabackup: innodb_log_files_in_group = 3 xtrabackup: innodb_log_file_size = 536870912 xtrabackup: using O_DIRECT >> log scanned up to (3406079293) 131104 0:17:55 InnoDB: Warning: allocated tablespace 23, old maximum was 9 [01] Copying ./ibdata1 to /backup/xtra_normal/ibdata1 [01] ...done [01] Copying ./zwc/t2.ibd to /backup/xtra_normal/zwc/t2.ibd >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) [01] ...done [01] Copying ./common_schema/_global_script_report_data.ibd to /backup/xtra_normal/common_schema/_global_script_report_data.ibd [01] ...done [01] Copying ./common_schema/_named_scripts.ibd to /backup/xtra_normal/common_schema/_named_scripts.ibd [01] ...done [01] Copying ./common_schema/help_content.ibd to /backup/xtra_normal/common_schema/help_content.ibd [01] ...done [01] Copying ./common_schema/_waits.ibd to /backup/xtra_normal/common_schema/_waits.ibd [01] ...done [01] Copying ./common_schema/metadata.ibd to /backup/xtra_normal/common_schema/metadata.ibd [01] ...done [01] Copying ./common_schema/_known_thread_states.ibd to /backup/xtra_normal/common_schema/_known_thread_states.ibd [01] ...done [01] Copying ./common_schema/_global_sql_tokens.ibd to /backup/xtra_normal/common_schema/_global_sql_tokens.ibd [01] ...done [01] Copying ./common_schema/_script_statements.ibd to /backup/xtra_normal/common_schema/_script_statements.ibd [01] ...done [01] Copying ./common_schema/_global_split_column_names_table.ibd to /backup/xtra_normal/common_schema/_global_split_column_names_table.ibd [01] ...done [01] Copying ./common_schema/_global_qs_variables.ibd to /backup/xtra_normal/common_schema/_global_qs_variables.ibd [01] ...done >> log scanned up to (3406079293) [01] Copying ./common_schema/numbers.ibd to /backup/xtra_normal/common_schema/numbers.ibd [01] ...done xtrabackup: Creating suspend file '/backup/xtra_normal/xtrabackup_suspended_2' with pid '4569' 131104 00:18:13 innobackupex: Continuing after ibbackup has suspended 131104 00:18:13 innobackupex: Starting a prep copy of non-InnoDB tables and files innobackupex: in subdirectories of '/data/mysql5.5' innobackupex: Backing up file '/data/mysql5.5/zwc/t2.frm' innobackupex: Backing up file '/data/mysql5.5/zwc/db.opt' innobackupex: Backing up file '/data/mysql5.5/zwc/t1.MYI' innobackupex: Backing up file '/data/mysql5.5/zwc/t1.MYD' innobackupex: Backing up file '/data/mysql5.5/zwc/t1.frm' innobackupex: Backing up files '/data/mysql5.5/common_schema/*.{frm,isl,MYD,MYI,MAD,MAI,MRG,TRG,TRN,ARM,ARZ,CSM,CSV,opt,par}' (95 files) innobackupex: Backing up files '/data/mysql5.5/mysql/*.{frm,isl,MYD,MYI,MAD,MAI,MRG,TRG,TRN,ARM,ARZ,CSM,CSV,opt,par}' (78 files) innobackupex: Backing up files '/data/mysql5.5/performance_schema/*.{frm,isl,MYD,MYI,MAD,MAI,MRG,TRG,TRN,ARM,ARZ,CSM,CSV,opt,par}' (18 files) 131104 00:18:13 Starting rsync as: rsync -t "/data/mysql5.5" --files-from="/tmp/xtrabackup_rsyncfiles_pass1" "/backup/xtra_normal" >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) 131104 00:18:22 rsync finished successfully. 131104 00:18:22 innobackupex: Finished a prep copy of non-InnoDB tables and files 131104 00:18:22 innobackupex: Starting to lock all tables... 131104 00:18:23 innobackupex: All tables locked and flushed to disk 131104 00:18:23 innobackupex: Starting to backup non-InnoDB tables and files innobackupex: in subdirectories of '/data/mysql5.5' innobackupex: Backing up file '/data/mysql5.5/zwc/t2.frm' innobackupex: Backing up file '/data/mysql5.5/zwc/db.opt' innobackupex: Backing up file '/data/mysql5.5/zwc/t1.MYI' innobackupex: Backing up file '/data/mysql5.5/zwc/t1.MYD' innobackupex: Backing up file '/data/mysql5.5/zwc/t1.frm' innobackupex: Backing up files '/data/mysql5.5/common_schema/*.{frm,isl,MYD,MYI,MAD,MAI,MRG,TRG,TRN,ARM,ARZ,CSM,CSV,opt,par}' (95 files) innobackupex: Backing up files '/data/mysql5.5/mysql/*.{frm,isl,MYD,MYI,MAD,MAI,MRG,TRG,TRN,ARM,ARZ,CSM,CSV,opt,par}' (78 files) innobackupex: Backing up files '/data/mysql5.5/performance_schema/*.{frm,isl,MYD,MYI,MAD,MAI,MRG,TRG,TRN,ARM,ARZ,CSM,CSV,opt,par}' (18 files) 131104 00:18:23 Starting rsync as: rsync -t "/data/mysql5.5" --files-from="/tmp/xtrabackup_rsyncfiles_pass2" "/backup/xtra_normal" 131104 00:18:23 rsync finished successfully. 131104 00:18:23 innobackupex: Finished backing up non-InnoDB tables and files 131104 00:18:23 innobackupex: Waiting for log copying to finish >> log scanned up to (3406079293) xtrabackup: The latest check point (for incremental): '3406079293' xtrabackup: Stopping log copying thread. .>> log scanned up to (3406079293) xtrabackup: Creating suspend file '/backup/xtra_normal/xtrabackup_log_copied' with pid '4569' xtrabackup: Transaction log of lsn (3406079293) to (3406079293) was copied. 131104 00:18:24 innobackupex: All tables unlocked innobackupex: Backup created in directory '/backup/xtra_normal' innobackupex: MySQL binlog position: filename 'ZWC-TEST.000015', position 20185 131104 00:18:24 innobackupex: Connection to database server closed 131104 00:18:24 innobackupex: completed OK! real 0m29.516s user 0m3.302s sys 0m3.911s [root@test backup]# [root@test backup]# [root@test backup]# du -sh /backup/xtra_normal 984M /backup/xtra_normal compressed backup[root@test backup]# time innobackupex --defaults-file=/service/mysql5.5/my.cnf --user=root --no-timestamp --password=idontcare --stream=tar ./ | gzip - > /backup/xtra_compressed.tar.gz InnoDB Backup Utility v1.5.1-xtrabackup; Copyright 2003, 2009 Innobase Oy and Percona LLC and/or its affiliates 2009-2013. All Rights Reserved. This software is published under the GNU GENERAL PUBLIC LICENSE Version 2, June 1991. 131104 00:22:29 innobackupex: Connecting to MySQL server with DSN 'dbi:mysql:;mysql_read_default_file=/service/mysql5.5/my.cnf;mysql_read_default_group=xtrabackup' as 'root' (using password: YES). 131104 00:22:29 innobackupex: Connected to MySQL server IMPORTANT: Please check that the backup run completes successfully. At the end of a successful backup run innobackupex prints "completed OK!". innobackupex: Using mysql server version 5.5.25-log innobackupex: Created backup directory /backup 131104 00:22:29 innobackupex: Starting ibbackup with command: xtrabackup_55 --defaults-file="/service/mysql5.5/my.cnf" --defaults-group="mysqld" --backup --suspend-at-end --target-dir=/tmp --tmpdir=/tmp --stream=tar innobackupex: Waiting for ibbackup (pid=4648) to suspend innobackupex: Suspend file '/tmp/xtrabackup_suspended_2' xtrabackup_55 version 2.1.5 for Percona Server 5.5.31 Linux (x86_64) (revision id: 680) xtrabackup: uses posix_fadvise(). xtrabackup: cd to /data/mysql5.5 xtrabackup: using the following InnoDB configuration: xtrabackup: innodb_data_home_dir = ./ xtrabackup: innodb_data_file_path = ibdata1:10M:autoextend xtrabackup: innodb_log_group_home_dir = ./ xtrabackup: innodb_log_files_in_group = 3 xtrabackup: innodb_log_file_size = 536870912 xtrabackup: using O_DIRECT >> log scanned up to (3406079293) 131104 0:22:29 InnoDB: Warning: allocated tablespace 23, old maximum was 9 [01] Streaming ./ibdata1 [01] ...done [01] Streaming ./zwc/t2.ibd >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) [01] ...done [01] Streaming ./common_schema/_global_script_report_data.ibd [01] ...done [01] Streaming ./common_schema/_named_scripts.ibd [01] ...done [01] Streaming ./common_schema/help_content.ibd [01] ...done [01] Streaming ./common_schema/_waits.ibd [01] ...done [01] Streaming ./common_schema/metadata.ibd [01] ...done [01] Streaming ./common_schema/_known_thread_states.ibd [01] ...done [01] Streaming ./common_schema/_global_sql_tokens.ibd [01] ...done [01] Streaming ./common_schema/_script_statements.ibd [01] ...done [01] Streaming ./common_schema/_global_split_column_names_table.ibd [01] ...done [01] Streaming ./common_schema/_global_qs_variables.ibd [01] ...done [01] Streaming ./common_schema/numbers.ibd [01] ...done >> log scanned up to (3406079293) xtrabackup: Creating suspend file '/tmp/xtrabackup_suspended_2' with pid '4648' 131104 00:23:02 innobackupex: Continuing after ibbackup has suspended 131104 00:23:02 innobackupex: Starting to lock all tables... 131104 00:23:02 innobackupex: All tables locked and flushed to disk 131104 00:23:02 innobackupex: Starting to backup non-InnoDB tables and files innobackupex: in subdirectories of '/data/mysql5.5' innobackupex: Backing up file '/data/mysql5.5/zwc/t2.frm' innobackupex: Backing up file '/data/mysql5.5/zwc/db.opt' innobackupex: Backing up file '/data/mysql5.5/zwc/t1.MYI' >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) innobackupex: Backing up file '/data/mysql5.5/zwc/t1.MYD' >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) >> log scanned up to (3406079293) innobackupex: Backing up file '/data/mysql5.5/zwc/t1.frm' innobackupex: Backing up files '/data/mysql5.5/common_schema/*.{frm,isl,MYD,MYI,MAD,MAI,MRG,TRG,TRN,ARM,ARZ,CSM,CSV,opt,par}' (95 files) >> log scanned up to (3406079293) innobackupex: Backing up files '/data/mysql5.5/mysql/*.{frm,isl,MYD,MYI,MAD,MAI,MRG,TRG,TRN,ARM,ARZ,CSM,CSV,opt,par}' (78 files) innobackupex: Backing up files '/data/mysql5.5/performance_schema/*.{frm,isl,MYD,MYI,MAD,MAI,MRG,TRG,TRN,ARM,ARZ,CSM,CSV,opt,par}' (18 files) 131104 00:23:30 innobackupex: Finished backing up non-InnoDB tables and files 131104 00:23:30 innobackupex: Waiting for log copying to finish xtrabackup: The latest check point (for incremental): '3406079293' xtrabackup: Stopping log copying thread. .>> log scanned up to (3406079293) xtrabackup: Creating suspend file '/tmp/xtrabackup_log_copied' with pid '4648' xtrabackup: Transaction log of lsn (3406079293) to (3406079293) was copied. 131104 00:23:31 innobackupex: All tables unlocked innobackupex: Backup created in directory '/backup' innobackupex: MySQL binlog position: filename 'ZWC-TEST.000015', position 20185 131104 00:23:31 innobackupex: Connection to database server closed innobackupex: You must use -i (--ignore-zeros) option for extraction of the tar stream. 131104 00:23:31 innobackupex: completed OK! real 1m2.854s user 0m45.188s sys 0m9.802s [root@test backup]# [root@test backup]# [root@test backup]# ls -lh /backup/xtra_compressed.tar.gz -rw-r--r-- 1 root root 255M Nov 4 00:23 /backup/xtra_compressed.tar.gz [root@test tmp]# tar xvfzi xtra_compressed.tar.gz Uncompressed need add "-i" parameter
bitsCN.com

如何有效监控MySQL性能?使用mysqladmin、SHOWGLOBALSTATUS、PerconaMonitoringandManagement(PMM)和MySQLEnterpriseMonitor等工具。1.使用mysqladmin查看连接数。2.用SHOWGLOBALSTATUS查看查询数。3.PMM提供详细性能数据和图形化界面。4.MySQLEnterpriseMonitor提供丰富的监控功能和报警机制。

MySQL和SQLServer的区别在于:1)MySQL是开源的,适用于Web和嵌入式系统,2)SQLServer是微软的商业产品,适用于企业级应用。两者在存储引擎、性能优化和应用场景上有显着差异,选择时需考虑项目规模和未来扩展性。

在需要高可用性、高级安全性和良好集成性的企业级应用场景下,应选择SQLServer而不是MySQL。1)SQLServer提供企业级功能,如高可用性和高级安全性。2)它与微软生态系统如VisualStudio和PowerBI紧密集成。3)SQLServer在性能优化方面表现出色,支持内存优化表和列存储索引。

mySqlManagesCharacterSetsetSandCollationsyutusututf-8asthEdeFault,允许ConfigurationAtdataBase,table和columnlevels,AndrequiringCarefullageLignmentToavoidMismatches.1)setDefeaultCharactersetTercharactersetEtCollacterSeteTandColletationForAdataBase.2)conformentcollecharactersettersetertersetcollatertersetcollationcollation

MySQL触发器是与表相关联的自动执行的存储过程,用于在特定数据操作时执行一系列操作。1)触发器定义与作用:用于数据校验、日志记录等。2)工作原理:分为BEFORE和AFTER,支持行级触发。3)使用示例:可用于记录薪资变更或更新库存。4)调试技巧:使用SHOWTRIGGERS和SHOWCREATETRIGGER命令。5)性能优化:避免复杂操作,使用索引,管理事务。

在MySQL中创建和管理用户账户的步骤如下:1.创建用户:使用CREATEUSER'newuser'@'localhost'IDENTIFIEDBY'password';2.分配权限:使用GRANTSELECT,INSERT,UPDATEONmydatabase.TO'newuser'@'localhost';3.修正权限错误:使用REVOKEALLPRIVILEGESONmydatabase.FROM'newuser'@'localhost';然后重新分配权限;4.优化权限:使用SHOWGRA

MySQL适合快速开发和中小型应用,Oracle适合大型企业和高可用性需求。1)MySQL开源、易用,适用于Web应用和中小型企业。2)Oracle功能强大,适合大型企业和政府机构。3)MySQL支持多种存储引擎,Oracle提供丰富的企业级功能。

MySQL相比其他关系型数据库的劣势包括:1.性能问题:在处理大规模数据时可能遇到瓶颈,PostgreSQL在复杂查询和大数据处理上表现更优。2.扩展性:水平扩展能力不如GoogleSpanner和AmazonAurora。3.功能限制:在高级功能上不如PostgreSQL和Oracle,某些功能需要更多自定义代码和维护。


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