hi:
i found a capability problem about h2, we project used h2, and the
mode is TCP, JDK(64 bit), server: windows 2003 server,
1、use connection pool like this :
JdbcConnectionPool.create("jdbc:h2:tcp://10.52.2.87:9123/mem:riskmem;DB_CLOSE_ON_EXIT=FALSE;CACHE_SIZE=65536",
"sa", "ygba");
2、beacuse requirement we need to add table
we use link table by way of temp table to import table from oracle or
sqlserver, like this
a. CREATE LINKED TABLE
LINK_RC_MONITOR_RESULT('oracle.jdbc.driver.OracleDriver','jdbc:oracle:thin:@10.1.252.112:1521:cwvpd','user0100','123456','(SELECT
* FROM RC_MONITOR_RESULT)')
b. CREATE TABLE RC_MONITOR_RESULT AS SELECT * FROM
LINK_RC_MONITOR_RESULT
c. DROP TABKE LINK_RC_MONITOR_RESULT
3、some times later we need to drop table ,like this
DROP TABLE RC_MONITOR_RESULT
4、repeat 2 and 3 high frequency, we found not any table in h2 console,but
the java process used 5G virtual memory, and then we execute "select
MEMORY_FREE()" , is not effect, why has't any table and then used 5G
virtual memory?
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