MySQL Compressed Backup_MySQL
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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
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InnoDB의 전체 텍스트 검색 기능은 매우 강력하여 데이터베이스 쿼리 효율성과 대량의 텍스트 데이터를 처리 할 수있는 능력을 크게 향상시킬 수 있습니다. 1) InnoDB는 기본 및 고급 검색 쿼리를 지원하는 역 색인화를 통해 전체 텍스트 검색을 구현합니다. 2) 매치 및 키워드를 사용하여 검색, 부울 모드 및 문구 검색을 지원합니다. 3) 최적화 방법에는 워드 세분화 기술 사용, 인덱스의 주기적 재건 및 캐시 크기 조정, 성능과 정확도를 향상시키는 것이 포함됩니다.

이 기사는 MySQL의 Alter Table 문을 사용하여 열 추가/드롭 테이블/열 변경 및 열 데이터 유형 변경을 포함하여 테이블을 수정하는 것에 대해 설명합니다.

전체 테이블 스캔은 MySQL에서 인덱스를 사용하는 것보다 빠를 수 있습니다. 특정 사례는 다음과 같습니다. 1) 데이터 볼륨은 작습니다. 2) 쿼리가 많은 양의 데이터를 반환 할 때; 3) 인덱스 열이 매우 선택적이지 않은 경우; 4) 복잡한 쿼리시. 쿼리 계획을 분석하고 인덱스 최적화, 과도한 인덱스를 피하고 정기적으로 테이블을 유지 관리하면 실제 응용 프로그램에서 최상의 선택을 할 수 있습니다.

예, MySQL은 Windows 7에 설치 될 수 있으며 Microsoft는 Windows 7 지원을 중단했지만 MySQL은 여전히 호환됩니다. 그러나 설치 프로세스 중에 다음 지점이 표시되어야합니다. Windows 용 MySQL 설치 프로그램을 다운로드하십시오. MySQL의 적절한 버전 (커뮤니티 또는 기업)을 선택하십시오. 설치 프로세스 중에 적절한 설치 디렉토리 및 문자를 선택하십시오. 루트 사용자 비밀번호를 설정하고 올바르게 유지하십시오. 테스트를 위해 데이터베이스에 연결하십시오. Windows 7의 호환성 및 보안 문제에 주목하고 지원되는 운영 체제로 업그레이드하는 것이 좋습니다.

기사는 인증서 생성 및 확인을 포함하여 MySQL에 대한 SSL/TLS 암호화 구성에 대해 설명합니다. 주요 문제는 자체 서명 인증서의 보안 영향을 사용하는 것입니다. [문자 수 : 159]

기사는 MySQL Workbench 및 Phpmyadmin과 같은 인기있는 MySQL GUI 도구에 대해 논의하여 초보자 및 고급 사용자를위한 기능과 적합성을 비교합니다. [159 자].

기사는 MySQL에서 파티셔닝, 샤딩, 인덱싱 및 쿼리 최적화를 포함하여 대규모 데이터 세트를 처리하기위한 전략에 대해 설명합니다.

클러스터 인덱스와 비 클러스터 인덱스의 차이점은 1. 클러스터 된 인덱스는 인덱스 구조에 데이터 행을 저장하며, 이는 기본 키 및 범위별로 쿼리에 적합합니다. 2. 클러스터되지 않은 인덱스는 인덱스 키 값과 포인터를 데이터 행으로 저장하며 비 예산 키 열 쿼리에 적합합니다.
