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02e1853c89
Problem is that default path for SST is datadir and if there is not enough space for all datafiles it fails. In this patch wsrep_sst_tmp_dir configuration parameter is introduced. User can now configure path where SST transfers datafiles in joiner while operation is running. Additionally, if available transfer size is compared to available disk space and if not necessary big error is produced. When transfer is completed MariaBackup will move datafiles to their correct locations. Current rules for wsrep_sst_tmp_dir * can be nullptr or empty and will not be used * must be existing path and directory or not used * may not be same as datadir or not used * if total estimated SST payload available it should have enough available space * similar to current behaviour temporal .sst directory is created on path and this directory is removed after SST has finished
126 lines
4.5 KiB
C++
126 lines
4.5 KiB
C++
/* Copyright (C) 2013-2025 Codership Oy <info@codership.com>
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Copyright (C) 2025-2026 MariaDB plc <http://www.mariadb.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA. */
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#ifndef WSREP_VAR_H
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#define WSREP_VAR_H
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#include <my_config.h>
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#ifdef WITH_WSREP
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#define WSREP_CLUSTER_NAME "my_wsrep_cluster"
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#define WSREP_NODE_INCOMING_AUTO "AUTO"
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#define WSREP_START_POSITION_ZERO "00000000-0000-0000-0000-000000000000:-1"
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#define WSREP_START_POSITION_ZERO_GTID "00000000-0000-0000-0000-000000000000:-1,0-0-0"
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// MySQL variables funcs
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#include "sql_priv.h"
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#include <sql_plugin.h>
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#include <mysql/plugin.h>
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class sys_var;
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class set_var;
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class THD;
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int wsrep_init_vars();
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void wsrep_set_wsrep_on(THD *thd);
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void wsrep_free_status_vars();
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bool wsrep_refresh_provider_options();
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#define CHECK_ARGS (sys_var *self, THD* thd, set_var *var)
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#define UPDATE_ARGS (sys_var *self, THD* thd, enum_var_type type)
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#define DEFAULT_ARGS (THD* thd, enum_var_type var_type)
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#define INIT_ARGS (const char* opt)
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extern bool wsrep_on_check CHECK_ARGS;
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extern bool wsrep_on_update UPDATE_ARGS;
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extern bool wsrep_start_position_check CHECK_ARGS;
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extern bool wsrep_start_position_update UPDATE_ARGS;
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extern bool wsrep_start_position_init INIT_ARGS;
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extern bool wsrep_provider_check CHECK_ARGS;
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extern bool wsrep_provider_update UPDATE_ARGS;
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extern void wsrep_provider_init INIT_ARGS;
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extern bool wsrep_provider_options_check CHECK_ARGS;
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extern bool wsrep_provider_options_update UPDATE_ARGS;
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extern void wsrep_provider_options_init INIT_ARGS;
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extern bool wsrep_cluster_address_check CHECK_ARGS;
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extern bool wsrep_cluster_address_update UPDATE_ARGS;
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extern void wsrep_cluster_address_init INIT_ARGS;
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extern bool wsrep_cluster_name_check CHECK_ARGS;
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extern bool wsrep_cluster_name_update UPDATE_ARGS;
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extern bool wsrep_node_name_check CHECK_ARGS;
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extern bool wsrep_node_name_update UPDATE_ARGS;
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extern bool wsrep_node_address_check CHECK_ARGS;
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extern bool wsrep_node_address_update UPDATE_ARGS;
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extern void wsrep_node_address_init INIT_ARGS;
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extern bool wsrep_sst_method_check CHECK_ARGS;
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extern bool wsrep_sst_method_update UPDATE_ARGS;
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extern void wsrep_sst_method_init INIT_ARGS;
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extern bool wsrep_sst_receive_address_check CHECK_ARGS;
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extern bool wsrep_sst_receive_address_update UPDATE_ARGS;
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extern bool wsrep_sst_auth_check CHECK_ARGS;
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extern bool wsrep_sst_auth_update UPDATE_ARGS;
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extern bool wsrep_sst_donor_check CHECK_ARGS;
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extern bool wsrep_sst_donor_update UPDATE_ARGS;
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extern bool wsrep_slave_threads_check CHECK_ARGS;
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extern bool wsrep_slave_threads_update UPDATE_ARGS;
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extern bool wsrep_desync_check CHECK_ARGS;
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extern bool wsrep_desync_update UPDATE_ARGS;
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extern bool wsrep_trx_fragment_size_check CHECK_ARGS;
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extern bool wsrep_trx_fragment_size_update UPDATE_ARGS;
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extern bool wsrep_trx_fragment_unit_check CHECK_ARGS;
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extern bool wsrep_trx_fragment_unit_update UPDATE_ARGS;
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extern bool wsrep_max_ws_size_check CHECK_ARGS;
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extern bool wsrep_max_ws_size_update UPDATE_ARGS;
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extern bool wsrep_max_ws_rows_check CHECK_ARGS;
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extern bool wsrep_reject_queries_update UPDATE_ARGS;
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extern bool wsrep_debug_update UPDATE_ARGS;
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extern bool wsrep_gtid_seq_no_check CHECK_ARGS;
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extern bool wsrep_gtid_domain_id_update UPDATE_ARGS;
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extern bool wsrep_mode_check CHECK_ARGS;
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extern bool wsrep_forced_binlog_format_check CHECK_ARGS;
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extern void wsrep_sst_tmp_dir_check(void);
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#else /* WITH_WSREP */
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#define wsrep_provider_init(X)
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#define wsrep_init_vars() (0)
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#define wsrep_start_position_init(X)
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#endif /* WITH_WSREP */
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#endif /* WSREP_VAR_H */
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