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doris/docs
AKIRA 290070074a [refactor](stats) refactor collection logic and opt some config (#26163)
1. not collect partition stats anymore
2. merge insert of stats
3. delete period collector since it is useless
4. remove enable_auto_sample
5. move some config related to stats to global session variable

Before this PR, when analyze  a table, the insert count equals column count times 2

After this PR, insert count of analyze table would reduce to column count / insert_merge_item_count.

According to my test, when analyzing  tpch lineitem, the insert sql count is 1
2023-11-08 11:03:44 +08:00
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2023-08-22 10:49:54 +08:00