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74f80b3499
This changes variable wsrep_max_ws_size so that its value is linked to the value of provider option repl.max_ws_size. That is, changing the value of variable wsrep_max_ws_size will change the value of provider option repl.max_ws_size, and viceversa. The writeset size limit is always enforced in the provider, regardless of which option is used.
56 lines
2 KiB
C
56 lines
2 KiB
C
/* Copyright (C) 2013 Codership Oy <info@codership.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 02110-1301 USA. */
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#ifndef WSREP_BINLOG_H
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#define WSREP_BINLOG_H
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#include "sql_class.h" // THD, IO_CACHE
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#define HEAP_PAGE_SIZE 65536 /* 64K */
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#define WSREP_MAX_WS_SIZE 2147483647 /* 2GB */
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/*
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Write the contents of a cache to a memory buffer.
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This function quite the same as MYSQL_BIN_LOG::write_cache(),
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with the exception that here we write in buffer instead of log file.
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*/
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int wsrep_write_cache_buf(IO_CACHE *cache, uchar **buf, size_t *buf_len);
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/*
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Write the contents of a cache to wsrep provider.
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This function quite the same as MYSQL_BIN_LOG::write_cache(),
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with the exception that here we write in buffer instead of log file.
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@param len total amount of data written
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@return wsrep error status
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*/
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int wsrep_write_cache (wsrep_t* wsrep,
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THD* thd,
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IO_CACHE* cache,
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size_t* len);
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/* Dump replication buffer to disk */
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void wsrep_dump_rbr_buf(THD *thd, const void* rbr_buf, size_t buf_len);
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/* Dump replication buffer to disk without intermediate buffer */
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void wsrep_dump_rbr_direct(THD* thd, IO_CACHE* cache);
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int wsrep_binlog_close_connection(THD* thd);
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int wsrep_binlog_savepoint_set(THD *thd, void *sv);
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int wsrep_binlog_savepoint_rollback(THD *thd, void *sv);
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#endif /* WSREP_BINLOG_H */
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