本节主要介绍存储池(集群版)的错误码。 HTTP status错误码错误信息描述400CanNotAddNodeToPoolThe node nodeName has no available paths added to storage pool poolname.该节点没有可用的path节点添加到存储池。400CanNotDeleteBasePoolThe storage pool with name poolName can not be deleted.
batch insert 较快 3.16s for (int i = 0; i < total_row; i++) {stmt.setInt(1, i);stmt.setString(2, "test_prepared");stmt.addBatch();if (i % g_batch == 0) {stmt.executeBatch();stmt.clearBatch();}} 批量插入类似于多值插入,减少了数据库交互:insert into test values(1,'test'),(2,'