diff --git a/extra/mariabackup/xtrabackup.cc b/extra/mariabackup/xtrabackup.cc index 220fe450ec445..103aee8b64fd7 100644 --- a/extra/mariabackup/xtrabackup.cc +++ b/extra/mariabackup/xtrabackup.cc @@ -421,6 +421,9 @@ uint opt_safe_slave_backup_timeout = 0; const char *opt_history = NULL; +/* Whether xtrabackup_binlog_info should be created on recovery */ +static bool recover_binlog_info; + char mariabackup_exe[FN_REFLEN]; char orig_argv1[FN_REFLEN]; @@ -2340,6 +2343,7 @@ xtrabackup_read_metadata(char *filename) { FILE *fp; my_bool r = TRUE; + int t; fp = fopen(filename,"r"); if(!fp) { @@ -2370,6 +2374,9 @@ xtrabackup_read_metadata(char *filename) } /* Optional fields */ + if (fscanf(fp, "recover_binlog_info = %d\n", &t) == 1) { + recover_binlog_info = (t == 1); + } end: fclose(fp); @@ -2388,11 +2395,13 @@ xtrabackup_print_metadata(char *buf, size_t buf_len) "backup_type = %s\n" "from_lsn = " UINT64PF "\n" "to_lsn = " UINT64PF "\n" - "last_lsn = " UINT64PF "\n", + "last_lsn = " UINT64PF "\n" + "recover_binlog_info = %d\n", metadata_type, metadata_from_lsn, metadata_to_lsn, - metadata_last_lsn); + metadata_last_lsn, + MY_TEST(opt_binlog_info == BINLOG_INFO_LOCKLESS)); } /*********************************************************************** @@ -6036,6 +6045,26 @@ static ibool prepare_handle_del_files(const char *datadir, const char *db, const return TRUE; } + +/************************************************************************** +Store the current binary log coordinates in a specified file. +@return 'false' on error. */ +static bool +store_binlog_info(const char *filename, const char* name, ulonglong pos) +{ + FILE *fp = fopen(filename, "w"); + + if (!fp) { + msg("mariabackup: failed to open '%s'\n", filename); + return(false); + } + + fprintf(fp, "%s\t%llu\n", name, pos); + fclose(fp); + + return(true); +} + /** Implement --prepare @return whether the operation succeeded */ static bool xtrabackup_prepare_func(char** argv) @@ -6275,6 +6304,20 @@ static bool xtrabackup_prepare_func(char** argv) msg("Last binlog file %s, position %lld", trx_sys.recovered_binlog_filename, longlong(trx_sys.recovered_binlog_offset)); + + /* output to xtrabackup_binlog_pos_innodb and (if + backup_safe_binlog_info was available on the server) to + xtrabackup_binlog_info. In the latter case + xtrabackup_binlog_pos_innodb becomes redundant and is created + only for compatibility. */ + ok = store_binlog_info( + "xtrabackup_binlog_pos_innodb", + trx_sys.recovered_binlog_filename, + trx_sys.recovered_binlog_offset) + && (!recover_binlog_info || store_binlog_info( + XTRABACKUP_BINLOG_INFO, + trx_sys.recovered_binlog_filename, + trx_sys.recovered_binlog_offset)); } /* Check whether the log is applied enough or not. */ diff --git a/extra/mariabackup/xtrabackup.h b/extra/mariabackup/xtrabackup.h index df2f766aedbc4..fe8d36a2ed08a 100644 --- a/extra/mariabackup/xtrabackup.h +++ b/extra/mariabackup/xtrabackup.h @@ -171,7 +171,7 @@ extern uint opt_safe_slave_backup_timeout; extern const char *opt_history; -enum binlog_info_enum { BINLOG_INFO_OFF, BINLOG_INFO_ON, +enum binlog_info_enum { BINLOG_INFO_OFF, BINLOG_INFO_LOCKLESS, BINLOG_INFO_ON, BINLOG_INFO_AUTO}; extern ulong opt_binlog_info;