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【DM版本】:DM8
【操作系统】：Centos
【CPU】:ARMv8
【问题描述】*：服务器有空闲内存，使用DM管理工具可以连接目标数据库，但项目启动提示“服务器内存不足”

服务器内存情况

DM数据库日志

checkpoint end, 0 pages flushed, used_space[30208], free_space[536832512].
out of memory, fail to allocate memory from OS
out of memory, fail to allocate memory from OS
out of memory, fail to allocate memory from OS
out of memory, fail to allocate memory from mem pool: BACKUP POOL
out of memory, fail to allocate memory from OS
out of memory, fail to allocate memory from mem pool: BACKUP POOL
out of memory, fail to allocate memory from OS
out of memory, fail to allocate memory from OS
out of memory, fail to allocate memory from OS
out of memory, fail to allocate memory from mem pool: BACKUP POOL
out of memory, fail to allocate memory from OS
out of memory, fail to allocate memory from mem pool: BACKUP POOL

应用日志

Caused by: dm.jdbc.driver.DMException: Server is out of memory
        at dm.jdbc.driver.DBError.throwException(DBError.java:711)
        at dm.jdbc.a.b.o.x(MSG.java:591)
        at dm.jdbc.a.b.o.C(MSG.java:526)
        at dm.jdbc.a.b.o.B(MSG.java:507)
        at dm.jdbc.a.a.a(DBAccess.java:245)
        at dm.jdbc.a.a.a(DBAccess.java:729)
        at dm.jdbc.driver.DmdbStatement.executeInner(DmdbStatement.java:730)
        at dm.jdbc.driver.DmdbStatement.do_executeQuery(DmdbStatement.java:220)
        at dm.jdbc.driver.DmdbStatement.executeQuery(DmdbStatement.java:1078)
        at com.alibaba.druid.filter.FilterChainImpl.statement_executeQuery(FilterChainImpl.java:2883)
        at com.alibaba.druid.filter.FilterAdapter.statement_executeQuery(FilterAdapter.java:2514)
        at com.alibaba.druid.filter.FilterEventAdapter.statement_executeQuery(FilterEventAdapter.java:302)
        at com.alibaba.druid.filter.FilterChainImpl.statement_executeQuery(FilterChainImpl.java:2880)
        at com.alibaba.druid.filter.FilterAdapter.statement_executeQuery(FilterAdapter.java:2514)
        at com.alibaba.druid.filter.FilterEventAdapter.statement_executeQuery(FilterEventAdapter.java:302)
        at com.alibaba.druid.filter.FilterChainImpl.statement_executeQuery(FilterChainImpl.java:2880)
        at com.alibaba.druid.proxy.jdbc.StatementProxyImpl.executeQuery(StatementProxyImpl.java:221)
        at com.alibaba.druid.pool.DruidAbstractDataSource.validateConnection(DruidAbstractDataSource.java:1434)
        at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1733)
        at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:927)
        at com.citycloud.ccuap.datasource.config.AbstractDataSourceBuilder.build(AbstractDataSourceBuilder.java:158)
        at com.citycloud.ccuap.datasource.config.DataSourceFactory.createDataSource(DataSourceFactory.java:74)
        at com.citycloud.ccuap.datasource.route.RoutingDataSource.createDataSource(RoutingDataSource.java:75)
        at com.citycloud.ccuap.datasource.route.RoutingDataSource.initialize(RoutingDataSource.java:52)
        at com.citycloud.ccuap.datasource.config.CcuapDataSourceAutoConfiguration.routingDataSource(CcuapDataSourceAutoConfiguration.java:59)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
        ... 82 more