Merge branch '10.2' into 10.3

cmake/cpack_rpm.cmake

@@ -105,6 +105,8 @@ SET(ignored
   "%ignore /etc/systemd/system"
   "%ignore /lib"
   "%ignore /lib/security"
+  "%ignore /lib64"
+  "%ignore /lib64/security"
   "%ignore ${CMAKE_INSTALL_PREFIX}"
   "%ignore ${CMAKE_INSTALL_PREFIX}/bin"
   "%ignore ${CMAKE_INSTALL_PREFIX}/include"

cmake/install_layout.cmake

@@ -163,7 +163,7 @@ SET(INSTALL_UNIX_ADDRDIR_RPM            "${INSTALL_MYSQLDATADIR_RPM}/mysql.sock"
 SET(INSTALL_SYSTEMD_UNITDIR_RPM         "/usr/lib/systemd/system")
 SET(INSTALL_SYSTEMD_SYSUSERSDIR_RPM     "/usr/lib/sysusers.d")
 SET(INSTALL_SYSTEMD_TMPFILESDIR_RPM     "/usr/lib/tmpfiles.d")
-SET(INSTALL_PAMDIR_RPM                  "/lib/security")
+SET(INSTALL_PAMDIR_RPM                  "/${INSTALL_LIBDIR_RPM}/security")
 
 #
 # DEB layout

mysql-test/main/mysqld--help,win.rdiff

@@ -1,6 +1,6 @@
 --- a/mysql-test/r/mysqld--help.result
 +++ b/mysql-test/r/mysqld--help.result
-@@ -381,7 +381,6 @@ The following options may be given as the first argument:
+@@ -395,7 +395,6 @@
   The number of segments in a key cache
   -L, --language=name Client error messages in given language. May be given as
   a full path. Deprecated. Use --lc-messages-dir instead.
@@ -8,7 +8,7 @@
   --lc-messages=name  Set the language used for the error messages.
   -L, --lc-messages-dir=name 
   Directory where error messages are
-@@ -603,6 +602,7 @@ The following options may be given as the first argument:
+@@ -617,6 +616,7 @@
   Use MySQL-5.6 (instead of MariaDB-5.3) format for TIME,
   DATETIME, TIMESTAMP columns.
   (Defaults to on; use --skip-mysql56-temporal-format to disable.)
@@ -16,7 +16,7 @@
   --net-buffer-length=# 
   Buffer length for TCP/IP and socket communication
   --net-read-timeout=# 
-@@ -1048,6 +1048,9 @@ The following options may be given as the first argument:
+@@ -1073,6 +1073,9 @@
   characteristics (isolation level, read only/read
   write,snapshot - but not any work done / data modified
   within the transaction).
@@ -26,7 +26,7 @@
   --show-slave-auth-info 
   Show user and password in SHOW SLAVE HOSTS on this
   master.
-@@ -1171,6 +1174,10 @@ The following options may be given as the first argument:
+@@ -1196,6 +1199,10 @@
   Log slow queries to given log file. Defaults logging to
   'hostname'-slow.log. Must be enabled to activate other
   slow log options
@@ -37,15 +37,15 @@
   --socket=name       Socket file to use for connection
   --sort-buffer-size=# 
   Each thread that needs to do a sort allocates a buffer of
-@@ -1190,6 +1197,7 @@ The following options may be given as the first argument:
+@@ -1219,6 +1226,7 @@
-  EMPTY_STRING_IS_NULL, SIMULTANEOUS_ASSIGNMENT
+  deleting or updating every row in a table.
   --stack-trace       Print a symbolic stack trace on failure
   (Defaults to on; use --skip-stack-trace to disable.)
 + --standalone        Dummy option to start as a standalone program (NT).
   --standard-compliant-cte 
   Allow only CTEs compliant to SQL standard
   (Defaults to on; use --skip-standard-compliant-cte to disable.)
-@@ -1257,6 +1265,11 @@ The following options may be given as the first argument:
+@@ -1286,6 +1294,11 @@
   --thread-pool-max-threads=# 
   Maximum allowed number of worker threads in the thread
   pool
@@ -57,7 +57,7 @@
   --thread-pool-oversubscribe=# 
   How many additional active worker threads in a group are
   allowed.
-@@ -1295,8 +1308,8 @@ The following options may be given as the first argument:
+@@ -1324,8 +1337,8 @@
   automatically convert it to an on-disk MyISAM or Aria
   table.
   -t, --tmpdir=name   Path for temporary files. Several paths may be specified,
@@ -68,7 +68,7 @@
   --transaction-alloc-block-size=# 
   Allocation block size for transactions to be stored in
   binary log
-@@ -1430,7 +1443,6 @@ key-cache-block-size 1024
+@@ -1462,7 +1475,6 @@
  key-cache-division-limit 100
  key-cache-file-hash-size 512
  key-cache-segments 0
@@ -76,7 +76,7 @@
  lc-messages en_US
  lc-messages-dir MYSQL_SHAREDIR/
  lc-time-names en_US
-@@ -1502,6 +1514,7 @@ myisam-sort-buffer-size 134216704
+@@ -1534,6 +1546,7 @@
  myisam-stats-method NULLS_UNEQUAL
  myisam-use-mmap FALSE
  mysql56-temporal-format TRUE
@@ -84,7 +84,7 @@
  net-buffer-length 16384
  net-read-timeout 30
  net-retry-count 10
-@@ -1612,6 +1625,8 @@ session-track-schema TRUE
+@@ -1645,6 +1658,8 @@
  session-track-state-change FALSE
  session-track-system-variables autocommit,character_set_client,character_set_connection,character_set_results,time_zone
  session-track-transaction-info OFF
@@ -93,15 +93,15 @@
  show-slave-auth-info FALSE
  silent-startup FALSE
  skip-grant-tables TRUE
-@@ -1638,6 +1653,7 @@ slave-transaction-retry-interval 0
+@@ -1671,6 +1686,7 @@
  slave-type-conversions 
  slow-launch-time 2
  slow-query-log FALSE
 +slow-start-timeout 15000
  sort-buffer-size 2097152
  sql-mode STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
- stack-trace TRUE
+ sql-safe-updates FALSE
-@@ -1652,9 +1668,9 @@ sync-relay-log 10000
+@@ -1686,10 +1702,10 @@
  sync-relay-log-info 10000
  sysdate-is-now FALSE
  system-versioning-alter-history ERROR
@@ -109,11 +109,13 @@
 +table-cache 2000
  table-definition-cache 400
 -table-open-cache 421
+-table-open-cache-instances 1
 +table-open-cache 2000
- table-open-cache-instances 8
++table-open-cache-instances 8
  tc-heuristic-recover OFF
  tcp-keepalive-interval 0
-@@ -1663,6 +1679,8 @@ tcp-keepalive-time 0
+ tcp-keepalive-probes 0
+@@ -1697,6 +1713,8 @@
  thread-cache-size 151
  thread-pool-idle-timeout 60
  thread-pool-max-threads 65536

mysql-test/main/mysqld--help.result

@@ -1689,7 +1689,7 @@ system-versioning-alter-history ERROR
 table-cache 421
 table-definition-cache 400
 table-open-cache 421
-table-open-cache-instances 8
+table-open-cache-instances 1
 tc-heuristic-recover OFF
 tcp-keepalive-interval 0
 tcp-keepalive-probes 0

mysql-test/mysql-test-run.pl

@@ -4732,8 +4732,8 @@ sub extract_warning_lines ($$) {
      qr/InnoDB: See also */,
      qr/InnoDB: Cannot open .*ib_buffer_pool.* for reading: No such file or directory*/,
      qr/InnoDB: Table .*mysql.*innodb_table_stats.* not found./,
-     qr/InnoDB: User stopword table .* does not exist./
+     qr/InnoDB: User stopword table .* does not exist./,
-
+     qr/Detected table cache mutex contention at instance .* waits. Additional table cache instance cannot be activated: consider raising table_open_cache_instances. Number of active instances/
     );
 
   my $matched_lines= [];

mysql-test/suite/innodb/r/innodb-blob.result

@@ -153,3 +153,9 @@ a
 SELECT * FROM t2;
 a
 DROP TABLE t1,t2,t3;
+CREATE TABLE t1(f1 INT PRIMARY KEY, f2 TEXT)ENGINE=InnoDB
+ROW_FORMAT=REDUNDANT;
+SET @fill_amount = (@@innodb_page_size / 2 ) + 1 ;
+INSERT INTO t1 VALUES(1, REPEAT(2, @fill_amount));
+UPDATE t1 SET f1 = 2;
+DROP TABLE t1;

mysql-test/suite/innodb/t/innodb-blob.test

@@ -206,3 +206,10 @@ SELECT a FROM t3;
 SELECT * FROM t2;
 
 DROP TABLE t1,t2,t3;
+
+CREATE TABLE t1(f1 INT PRIMARY KEY, f2 TEXT)ENGINE=InnoDB
+		ROW_FORMAT=REDUNDANT;
+SET @fill_amount = (@@innodb_page_size / 2 ) + 1 ;
+INSERT INTO t1 VALUES(1, REPEAT(2, @fill_amount));
+UPDATE t1 SET f1 = 2;
+DROP TABLE t1;

mysql-test/suite/innodb_fts/r/misc_debug2.result

@@ -0,0 +1,6 @@
+call mtr.add_suppression("InnoDB: Tablespace for table .* is set as discarded");
+CREATE TABLE mdev21563(f1 VARCHAR(100), FULLTEXT idx(f1))ENGINE=InnoDB;
+set debug_dbug="+d,fts_instrument_sync_request";
+INSERT INTO mdev21563 VALUES('This is a test');
+ALTER TABLE mdev21563 DISCARD TABLESPACE;
+DROP TABLE mdev21563;

mysql-test/suite/innodb_fts/t/misc_debug2.test

@@ -0,0 +1,11 @@
+--source include/have_innodb.inc
+--source include/have_debug.inc
+--source include/not_embedded.inc
+call mtr.add_suppression("InnoDB: Tablespace for table .* is set as discarded");
+
+CREATE TABLE mdev21563(f1 VARCHAR(100), FULLTEXT idx(f1))ENGINE=InnoDB;
+set debug_dbug="+d,fts_instrument_sync_request";
+INSERT INTO mdev21563 VALUES('This is a test');
+ALTER TABLE mdev21563 DISCARD TABLESPACE;
+--source include/restart_mysqld.inc
+DROP TABLE mdev21563;

mysql-test/suite/sys_vars/r/host_cache_size_auto.result

@@ -1,3 +1,3 @@
 select @@global.host_cache_size;
 @@global.host_cache_size
-632
+653

sql/mysqld.cc

@@ -4495,7 +4495,7 @@ static int init_common_variables()
     min_connections= 10;
     /* MyISAM requires two file handles per table. */
     wanted_files= (extra_files + max_connections + extra_max_connections +
-                   tc_size * 2);
+                   tc_size * 2 * tc_instances);
 #if defined(HAVE_POOL_OF_THREADS) && !defined(__WIN__)
     // add epoll or kevent fd for each threadpool group, in case pool of threads is used
     wanted_files+= (thread_handling > SCHEDULER_NO_THREADS) ? 0 : threadpool_size;
@@ -4524,6 +4524,14 @@ static int init_common_variables()
     if (files < wanted_files && global_system_variables.log_warnings)
       sql_print_warning("Could not increase number of max_open_files to more than %u (request: %u)", files, wanted_files);
 
+    /* If we required too much tc_instances than we reduce */
+    SYSVAR_AUTOSIZE_IF_CHANGED(tc_instances,
+                               (uint32) MY_MIN(MY_MAX((files - extra_files -
+                                                      max_connections)/
+                                                      2/tc_size,
+                                                     1),
+                                              tc_instances),
+                               uint32);
     /*
       If we have requested too much file handles than we bring
       max_connections in supported bounds. Still leave at least
@@ -4531,7 +4539,7 @@ static int init_common_variables()
     */
     SYSVAR_AUTOSIZE_IF_CHANGED(max_connections,
                                (ulong) MY_MAX(MY_MIN(files- extra_files-
-                                                     min_tc_size*2,
+                                                     min_tc_size*2*tc_instances,
                                                      max_connections),
                                               min_connections),
                                ulong);
@@ -4544,7 +4552,7 @@ static int init_common_variables()
     */
     SYSVAR_AUTOSIZE_IF_CHANGED(tc_size,
                                (ulong) MY_MIN(MY_MAX((files - extra_files -
-                                                      max_connections) / 2,
+                                                      max_connections) / 2 / tc_instances,
                                                      min_tc_size),
                                               tc_size), ulong);
     DBUG_PRINT("warning",

sql/sql_parse.cc

@@ -1858,7 +1858,6 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
     while (!thd->killed && (parser_state.m_lip.found_semicolon != NULL) &&
            ! thd->is_error())
     {
-      thd->get_stmt_da()->set_skip_flush();
       /*
         Multiple queries exist, execute them individually
       */

sql/table.cc

@@ -4251,7 +4251,6 @@ bool check_column_name(const char *name)
   been opened.
 
   @param[in] table             The table to check
-  @param[in] table_f_count     Expected number of columns in the table
   @param[in] table_def         Expected structure of the table (column name
                                and type)
 

storage/innobase/buf/buf0buf.cc

@@ -2253,8 +2253,8 @@ buf_page_realloc(
 		ut_d(block->page.in_page_hash = FALSE);
 		ulint	fold = block->page.id.fold();
 		ut_ad(fold == new_block->page.id.fold());
-		HASH_DELETE(buf_page_t, hash, buf_pool->page_hash, fold, (&block->page));
+		HASH_REPLACE(buf_page_t, hash, buf_pool->page_hash, fold,
-		HASH_INSERT(buf_page_t, hash, buf_pool->page_hash, fold, (&new_block->page));
+			     &block->page, &new_block->page);
 
 		ut_ad(new_block->page.in_page_hash);
 
@@ -3372,8 +3372,8 @@ buf_relocate(
 	/* relocate buf_pool->page_hash */
 	ulint	fold = bpage->id.fold();
 	ut_ad(fold == dpage->id.fold());
-	HASH_DELETE(buf_page_t, hash, buf_pool->page_hash, fold, bpage);
+	HASH_REPLACE(buf_page_t, hash, buf_pool->page_hash, fold, bpage,
-	HASH_INSERT(buf_page_t, hash, buf_pool->page_hash, fold, dpage);
+		     dpage);
 }
 
 /** Hazard Pointer implementation. */

storage/innobase/buf/buf0lru.cc

@@ -1,7 +1,7 @@
 /*****************************************************************************
 
 Copyright (c) 1995, 2016, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2017, 2019, MariaDB Corporation.
+Copyright (c) 2017, 2020, MariaDB Corporation.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -59,6 +59,7 @@ static const ulint BUF_LRU_OLD_TOLERANCE = 20;
 @see buf_LRU_old_adjust_len */
 #define BUF_LRU_NON_OLD_MIN_LEN	5
 
+#ifdef BTR_CUR_HASH_ADAPT
 /** When dropping the search hash index entries before deleting an ibd
 file, we build a local array of pages belonging to that tablespace
 in the buffer pool. Following is the size of that array.
@@ -67,6 +68,7 @@ flush_list when dropping a table. This is to ensure that other threads
 are not blocked for extended period of time when using very large
 buffer pools. */
 static const ulint BUF_LRU_DROP_SEARCH_SIZE = 1024;
+#endif /* BTR_CUR_HASH_ADAPT */
 
 /** We scan these many blocks when looking for a clean page to evict
 during LRU eviction. */
@@ -376,7 +378,6 @@ drop_ahi:
 
 	return true;
 }
-#endif /* BTR_CUR_HASH_ADAPT */
 
 /******************************************************************//**
 While flushing (or removing dirty) pages from a tablespace we don't
@@ -465,6 +466,7 @@ buf_flush_try_yield(
 
 	return(false);
 }
+#endif /* BTR_CUR_HASH_ADAPT */
 
 /******************************************************************//**
 Removes a single page from a given tablespace inside a specific
@@ -640,6 +642,7 @@ rescan:
 			goto rescan;
 		}
 
+#ifdef BTR_CUR_HASH_ADAPT
 		++processed;
 
 		/* Yield if we have hogged the CPU and mutexes for too long. */
@@ -649,6 +652,7 @@ rescan:
 
 			processed = 0;
 		}
+#endif /* BTR_CUR_HASH_ADAPT */
 
 		/* The check for trx is interrupted is expensive, we want
 		to check every N iterations. */

storage/innobase/handler/i_s.cc

@@ -1,7 +1,7 @@
 /*****************************************************************************
 
 Copyright (c) 2007, 2016, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2014, 2019, MariaDB Corporation.
+Copyright (c) 2014, 2020, MariaDB Corporation.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -9050,6 +9050,8 @@ i_s_innodb_mutexes_fill_table(
 			~Locking() { mutex_exit(&rw_lock_list_mutex); }
 		} locking;
 
+		char lock_name[sizeof "buf0dump.cc:12345"];
+
 		for (lock = UT_LIST_GET_FIRST(rw_lock_list); lock != NULL;
 		     lock = UT_LIST_GET_NEXT(list, lock)) {
 			if (lock->count_os_wait == 0) {
@@ -9062,11 +9064,16 @@ i_s_innodb_mutexes_fill_table(
 				continue;
 			}
 
-			//OK(field_store_string(fields[MUTEXES_NAME],
+			const char* basename = innobase_basename(
-			//			lock->lock_name));
+				lock->cfile_name);
-			OK(field_store_string(
+
-				   fields[MUTEXES_CREATE_FILE],
+			snprintf(lock_name, sizeof lock_name, "%s:%u",
-				   innobase_basename(lock->cfile_name)));
+				 basename, lock->cline);
+
+			OK(field_store_string(fields[MUTEXES_NAME],
+					      lock_name));
+			OK(field_store_string(fields[MUTEXES_CREATE_FILE],
+					      basename));
 			OK(fields[MUTEXES_CREATE_LINE]->store(lock->cline,
 							      true));
 			fields[MUTEXES_CREATE_LINE]->set_notnull();
@@ -9082,8 +9089,8 @@ i_s_innodb_mutexes_fill_table(
 			snprintf(buf1, sizeof buf1, "combined %s",
 				 innobase_basename(block_lock->cfile_name));
 
-			//OK(field_store_string(fields[MUTEXES_NAME],
+			OK(field_store_string(fields[MUTEXES_NAME],
-			//			block_lock->lock_name));
+					      "buf_block_t::lock"));
 			OK(field_store_string(fields[MUTEXES_CREATE_FILE],
 					      buf1));
 			OK(fields[MUTEXES_CREATE_LINE]->store(block_lock->cline,

storage/innobase/include/hash0hash.h

@@ -184,6 +184,18 @@ do {\
 	HASH_INVALIDATE(DATA, NAME);\
 } while (0)
 
+#define HASH_REPLACE(TYPE, NAME, TABLE, FOLD, DATA_OLD, DATA_NEW)             \
+	do {                                                                  \
+		(DATA_NEW)->NAME = (DATA_OLD)->NAME;                          \
+                                                                              \
+		hash_cell_t& cell3333                                         \
+			= TABLE->array[hash_calc_hash(FOLD, TABLE)];          \
+		TYPE** struct3333 = (TYPE**)&cell3333.node;                   \
+		while (*struct3333 != DATA_OLD) {                             \
+			struct3333 = &((*struct3333)->NAME);                  \
+		}                                                             \
+		*struct3333 = DATA_NEW;                                       \
+	} while (0)
 /*******************************************************************//**
 Gets the first struct in a hash chain, NULL if none. */
 

storage/innobase/include/mem0mem.h

@@ -291,13 +291,6 @@ mem_heap_printf(
 	const char*	format,	/*!< in: format string */
 	...) MY_ATTRIBUTE ((format (printf, 2, 3)));
 
-/** Checks that an object is a memory heap (or a block of it)
-@param[in]	heap	Memory heap to check */
-UNIV_INLINE
-void
-mem_block_validate(
-	const mem_heap_t*	heap);
-
 #ifdef UNIV_DEBUG
 /** Validates the contents of a memory heap.
 Asserts that the memory heap is consistent
@@ -312,7 +305,6 @@ mem_heap_validate(
 
 /** The info structure stored at the beginning of a heap block */
 struct mem_block_info_t {
-	ulint	magic_n;/* magic number for debugging */
 #ifdef UNIV_DEBUG
 	char	file_name[8];/* file name where the mem heap was created */
 	unsigned line;	/*!< line number where the mem heap was created */
@@ -347,9 +339,6 @@ struct mem_block_info_t {
 			otherwise, this is NULL */
 };
 
-#define MEM_BLOCK_MAGIC_N	764741555
-#define MEM_FREED_BLOCK_MAGIC_N	547711122
-
 /* Header size for a memory heap block */
 #define MEM_BLOCK_HEADER_SIZE	UT_CALC_ALIGN(sizeof(mem_block_info_t),\
 					      UNIV_MEM_ALIGNMENT)

storage/innobase/include/mem0mem.ic

@@ -1,7 +1,7 @@
 /*****************************************************************************
 
 Copyright (c) 1994, 2014, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2017, MariaDB Corporation.
+Copyright (c) 2017, 2020, MariaDB Corporation.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -144,16 +144,6 @@ mem_block_get_start(mem_block_t* block)
 	return(block->start);
 }
 
-/** Checks that an object is a memory heap block
-@param[in]	block	Memory block to check. */
-UNIV_INLINE
-void
-mem_block_validate(
-	const mem_block_t*	block)
-{
-	ut_a(block->magic_n == MEM_BLOCK_MAGIC_N);
-}
-
 /** Allocates and zero-fills n bytes of memory from a memory heap.
 @param[in]	heap	memory heap
 @param[in]	n	number of bytes; if the heap is allowed to grow into
@@ -186,8 +176,6 @@ mem_heap_alloc(
 	byte*		buf;
 	ulint		free;
 
-	ut_d(mem_block_validate(heap));
-
 	block = UT_LIST_GET_LAST(heap->base);
 
 	n += REDZONE_SIZE;
@@ -230,8 +218,6 @@ mem_heap_get_heap_top(
 	mem_block_t*	block;
 	byte*		buf;
 
-	ut_d(mem_block_validate(heap));
-
 	block = UT_LIST_GET_LAST(heap->base);
 
 	buf = (byte*) block + mem_block_get_free(block);
@@ -322,8 +308,6 @@ mem_heap_get_top(
 	mem_block_t*	block;
 	byte*		buf;
 
-	ut_d(mem_block_validate(heap));
-
 	block = UT_LIST_GET_LAST(heap->base);
 
 	buf = (byte*) block + mem_block_get_free(block) - MEM_SPACE_NEEDED(n);
@@ -343,8 +327,6 @@ mem_heap_free_top(
 {
 	mem_block_t*	block;
 
-	ut_d(mem_block_validate(heap));
-
 	n += REDZONE_SIZE;
 
 	block = UT_LIST_GET_LAST(heap->base);
@@ -420,8 +402,6 @@ mem_heap_free(
 	mem_block_t*	block;
 	mem_block_t*	prev_block;
 
-	ut_d(mem_block_validate(heap));
-
 	block = UT_LIST_GET_LAST(heap->base);
 
 	if (heap->free_block) {
@@ -448,11 +428,7 @@ mem_heap_get_size(
 /*==============*/
 	mem_heap_t*	heap)	/*!< in: heap */
 {
-	ulint		size	= 0;
+	ulint size = heap->total_size;
-
-	ut_d(mem_block_validate(heap));
-
-	size = heap->total_size;
 
 	if (heap->free_block) {
 		size += srv_page_size;

storage/innobase/include/rem0rec.ic

@@ -1410,7 +1410,11 @@ rec_get_converted_size(
 
 	data_size = dtuple_get_data_size(dtuple, 0);
 
-	ut_ad(n_ext == dtuple_get_n_ext(dtuple));
+	/* If primary key is being updated then the new record inherits
+	externally stored fields from the delete-marked old record.
+	In that case, n_ext may be less value than
+	dtuple_get_n_ext(tuple). */
+	ut_ad(n_ext <= dtuple_get_n_ext(dtuple));
 	extra_size = rec_get_converted_extra_size(
 		data_size, dtuple_get_n_fields(dtuple), n_ext);
 

storage/innobase/mem/mem0mem.cc

@@ -210,8 +210,6 @@ mem_heap_validate(
 		block != NULL;
 		block = UT_LIST_GET_NEXT(list, block)) {
 
-		mem_block_validate(block);
-
 		switch (block->type) {
 		case MEM_HEAP_DYNAMIC:
 			break;
@@ -266,7 +264,6 @@ mem_heap_create_block_func(
 	      || (type == MEM_HEAP_BUFFER + MEM_HEAP_BTR_SEARCH));
 
 	if (heap != NULL) {
-		mem_block_validate(heap);
 		ut_d(mem_heap_validate(heap));
 	}
 
@@ -308,7 +305,6 @@ mem_heap_create_block_func(
 	block->buf_block = buf_block;
 	block->free_block = NULL;
 
-	block->magic_n = MEM_BLOCK_MAGIC_N;
 	ut_d(ut_strlcpy_rev(block->file_name, file_name,
 			    sizeof(block->file_name)));
 	ut_d(block->line = line);
@@ -356,8 +352,6 @@ mem_heap_add_block(
 	mem_block_t*	new_block;
 	ulint		new_size;
 
-	ut_d(mem_block_validate(heap));
-
 	block = UT_LIST_GET_LAST(heap->base);
 
 	/* We have to allocate a new block. The size is always at least
@@ -410,8 +404,6 @@ mem_heap_block_free(
 
 	buf_block = static_cast<buf_block_t*>(block->buf_block);
 
-	mem_block_validate(block);
-
 	UT_LIST_REMOVE(heap->base, block);
 
 	ut_ad(heap->total_size >= block->len);
@@ -419,7 +411,6 @@ mem_heap_block_free(
 
 	type = heap->type;
 	len = block->len;
-	block->magic_n = MEM_FREED_BLOCK_MAGIC_N;
 
 	if (type == MEM_HEAP_DYNAMIC || len < srv_page_size / 2) {
 		ut_ad(!buf_block);

storage/innobase/row/row0mysql.cc

@@ -1,7 +1,7 @@
 /*****************************************************************************
 
 Copyright (c) 2000, 2018, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2015, 2019, MariaDB Corporation.
+Copyright (c) 2015, 2020, MariaDB Corporation.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -3142,6 +3142,16 @@ row_discard_tablespace_for_mysql(
 	} else {
 		ut_ad(!table->n_foreign_key_checks_running);
 
+		bool fts_exist = (dict_table_has_fts_index(table)
+				  || DICT_TF2_FLAG_IS_SET(
+					  table, DICT_TF2_FTS_HAS_DOC_ID));
+
+		if (fts_exist) {
+			row_mysql_unlock_data_dictionary(trx);
+			fts_optimize_remove_table(table);
+			row_mysql_lock_data_dictionary(trx);
+		}
+
 		/* Do foreign key constraint checks. */
 
 		err = row_discard_tablespace_foreign_key_checks(trx, table);
@@ -3149,6 +3159,10 @@ row_discard_tablespace_for_mysql(
 		if (err == DB_SUCCESS) {
 			err = row_discard_tablespace(trx, table);
 		}
+
+		if (fts_exist && err != DB_SUCCESS) {
+			fts_optimize_add_table(table);
+		}
 	}
 
 	return(row_discard_tablespace_end(trx, table, err));

storage/innobase/srv/srv0srv.cc

@@ -3,7 +3,7 @@
 Copyright (c) 1995, 2017, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2008, 2009 Google Inc.
 Copyright (c) 2009, Percona Inc.
-Copyright (c) 2013, 2019, MariaDB Corporation.
+Copyright (c) 2013, 2020, MariaDB Corporation.
 
 Portions of this file contain modifications contributed and copyrighted by
 Google, Inc. Those modifications are gratefully acknowledged and are described
@@ -487,7 +487,9 @@ current_time % 60 == 0 and no tasks will be performed when
 current_time % 5 != 0. */
 
 # define	SRV_MASTER_CHECKPOINT_INTERVAL		(7)
-# define	SRV_MASTER_PURGE_INTERVAL		(10)
+#ifdef MEM_PERIODIC_CHECK
+# define	SRV_MASTER_MEM_VALIDATE_INTERVAL	(13)
+#endif /* MEM_PERIODIC_CHECK */
 # define	SRV_MASTER_DICT_LRU_INTERVAL		(47)
 
 /** Simulate compression failures. */