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--source include/have_innodb.inc
--source include/have_sequence.inc
--echo #
--echo # MDEV-29445: Reorganize buffer pool (and remove chunks)
--echo #
--disable_query_log
call mtr.add_suppression("InnoDB: Over 67 percent of the buffer pool is occupied by lock heaps");
call mtr.add_suppression("innodb_buffer_pool_size change aborted");
set @old_innodb_buffer_pool_size = @@innodb_buffer_pool_size;
set @old_innodb_adaptive_hash_index = @@innodb_adaptive_hash_index;
--enable_query_log
set global innodb_adaptive_hash_index=ON;
select @@innodb_buffer_pool_size;
# Expand buffer pool
set global innodb_buffer_pool_size = 9437184;
set global innodb_buffer_pool_size = 10485760;
select @@innodb_buffer_pool_size;
let $kbs=`SELECT CAST(@@innodb_page_size / 1024 AS INT)`;
# fill buffer pool
--disable_query_log
SET @save_innodb_read_only_compressed=@@GLOBAL.innodb_read_only_compressed;
SET GLOBAL innodb_read_only_compressed=OFF;
--enable_query_log
create table t1 (id int primary key, val int not null)
ENGINE=InnoDB ROW_FORMAT=COMPRESSED;
evalp create table t2 (id int primary key, val int not null)
ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=$kbs;
SET STATEMENT foreign_key_checks=0, unique_checks=0 FOR
INSERT INTO t1 SELECT seq*4,seq*4 FROM seq_1_to_262144;
SET STATEMENT foreign_key_checks=0, unique_checks=0 FOR
INSERT INTO t2 SELECT seq*4,seq*4 FROM seq_1_to_16384;
--disable_query_log
SET GLOBAL innodb_read_only_compressed=@save_innodb_read_only_compressed;
--enable_query_log
# Attempt to shrink the buffer pool. This may occasionally fail.
--error 0,ER_WRONG_USAGE
set global innodb_buffer_pool_size = 7340032;
select count(val) from t1;
select count(val) from t2;
set global innodb_adaptive_hash_index=OFF;
# Expand buffer pool to 23 and then 24 MiB (requesting 25 MiB)
set global innodb_buffer_pool_size = 24117248;
set global innodb_buffer_pool_size = 26214400;
select @@innodb_buffer_pool_size;
select count(val) from t1;
select count(val) from t2;
drop table t1,t2;
SET GLOBAL innodb_max_purge_lag_wait = 0;
SET @save_pct= @@GLOBAL.innodb_max_dirty_pages_pct;
SET @save_pct_lwm= @@GLOBAL.innodb_max_dirty_pages_pct_lwm;
SET GLOBAL innodb_max_dirty_pages_pct_lwm = 0.0;
SET GLOBAL innodb_max_dirty_pages_pct = 0.0;
let $wait_condition =
SELECT variable_value = 0
FROM information_schema.global_status
WHERE variable_name = 'INNODB_BUFFER_POOL_PAGES_DIRTY';
--source include/wait_condition.inc
SET GLOBAL innodb_buffer_pool_size = @old_innodb_buffer_pool_size;
SET GLOBAL innodb_adaptive_hash_index = @old_innodb_adaptive_hash_index;
SET GLOBAL innodb_max_dirty_pages_pct = @save_pct;
SET GLOBAL innodb_max_dirty_pages_pct_lwm = @save_pct_lwm;
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