Mysql工作笔记006---Mysql服务器磁盘爆满了_java.sql.SQLException: Error writing file ‘tmp/MYfXO41p‘

### Error querying database. Cause. java.sql.SQLException: Error writing file 'tmp/MYfXO41p' (Errcode.28 - No space left on device) ### The eror may exist in URL iar.file./optimodule/iars/gxszsn-bigdata-platform-system.jar!/B00T-NF/classes!/mapper/system/BigResdirMapper.xmll ### The error mayinvolve defaultParameterlMap ### The error occurred while setting parameters # SQL: select cata titleas name, t2.num as total from big resdir t1 LEFT JOlN (select cata id as resDirld, count(id) as num frombig resource where del flag = "0" group by cata id ) t2 on t1.id = t2.resDirld ORDER BY't2.num desclimit 3 ### Cause. java.sal.$QLException: Eror writing file '/tmp/MYfXO41p'(Errcode. 28 - No space lefton device) . uncategorized SQLException, SQL state HY000], error code [3], Eror writing file"tmp/