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create table t1 (
a int primary key,
b int,
c int,
key t1x1 (b),
key t1x2 (c)
) engine=ndb
partition by key (a) partitions 1;
insert into t1 values (1,1,1),(2,1,1),(3,2,1),(4,2,1);
Waiting for the index stats to be updated
Index stats updated
select count(*) from t1 where b = 1;
count(*)
2
select count(*) from t1 where c = 1;
count(*)
4
show status like 'ndb_index_stat_cache%';
Variable_name Value
Ndb_index_stat_cache_query 81
Ndb_index_stat_cache_clean 0
# restart cluster --initial
# wait for mysqld
set global ndb_dbg_check_shares=1;
drop table if exists t1;
Warnings:
Note 1051 Unknown table 'test.t1'
create table t1 (
a int primary key,
b int,
c int,
key t1x1 (b),
key t1x2 (c)
) engine=ndb
partition by key (a) partitions 1;
insert into t1 values (1,1,1),(2,1,1),(3,2,1),(4,2,1);
Waiting for the index stats to be updated
Index stats updated
select count(*) from t1 where b = 1;
count(*)
2
select count(*) from t1 where c = 1;
count(*)
4
show status like 'ndb_index_stat_cache%';
Variable_name Value
Ndb_index_stat_cache_query 81
Ndb_index_stat_cache_clean 0
Check if events were detected in the other MySQL Server as well
Waiting for the index stats to be updated
Index stats updated
select count(*) from t1 where b = 1;
count(*)
2
select count(*) from t1 where c = 1;
count(*)
4
show status like 'ndb_index_stat_cache%';
Variable_name Value
Ndb_index_stat_cache_query 81
Ndb_index_stat_cache_clean 0
drop table t1;
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