索引的总大小太大或者索引中有太多的部分

@GBase用户18503：select distinct t.dbsname database, d.name dbspace,c.pagesize pagesize
from sysmaster:sysdbstab d,sysmaster:syschunks c,sysmaster:sysextents t
where t.chunk = c.chknum
and c.dbsnum=d.dbsnum
and t.dbsname='testdb'
and t.tabname='test';