imay commented on issue #2167: Fix DB meta lost bug URL: https://github.com/apache/incubator-doris/pull/2167#issuecomment-552110884 > 1 when checkpoint, every time `loadCluster`, we will `new InfoSchemaDb`, the id for `InfoSchemaDb` will more and more larger，and finally will larger than 10000 > 2 when InfoSchemaDb id larger than 10000 and call `idToDb.put(db.getId(), db)`, the InfoSchemaDb meta will overwrite the normal db meta, (such as, the normal db id is 10001),so the normal db meta will lost when checkpoint generate the image file by `saveDb`. @kangkaisen Thanks for your detailed explanation. Could you please add this explaination to the code in order to make it clear for others?
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