SET @transaction_isolation= @@global.transaction_isolation;
SET GLOBAL TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
INSERT INTO cache_policies VALUES("cache_policy", "innodb_only",
"innodb_only", "innodb_only", "innodb_only");
INSERT INTO config_options VALUES("separator", "|");
INSERT INTO containers VALUES ("desc_t1", "test", "t1",
"c1", "c2",  "c3", "c4", "c5", "PRIMARY");
USE test;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1        (c1 VARCHAR(32),
c2 VARCHAR(1024),
c3 INT, c4 BIGINT UNSIGNED, c5 INT, primary key(c1))
ENGINE = INNODB;
INSERT INTO t1 VALUES ('D', 'Darmstadt', 0, 0, 0);
INSERT INTO t1 VALUES ('B', 'Berlin', 0, 0, 0);
INSERT INTO t1 VALUES ('C', 'Cottbus', 0, 0 ,0);
INSERT INTO t1 VALUES ('H', 'Hamburg', 0, 0, 0);
INSTALL PLUGIN daemon_memcached SONAME 'libmemcached.so';
SELECT c1,c2 FROM t1;
c1	c2
B	Berlin
C	Cottbus
D	Darmstadt
H	Hamburg
Set E|Essen:
SELECT c1,c2 FROM t1;
c1	c2
B	Berlin
C	Cottbus
D	Darmstadt
E	Essen
H	Hamburg
Here are the memcached results with E:
Essen
SELECT c1,c2 FROM t1;
c1	c2
B	Berlin
C	Cottbus
D	Darmstadt
E	Essen
H	Hamburg
Here are the memcached results with E,H:
Essen
Hamburg
DROP TABLE t1;
UNINSTALL PLUGIN daemon_memcached;
DROP DATABASE innodb_memcache;
SET @@global.transaction_isolation= @transaction_isolation;