select statements have many shared_blks_dirtied and written

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От James Pang
Тема select statements have many shared_blks_dirtied and written
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Msg-id CAHgTRfftPv9NmWBxfxCZMZAL3_bxP8HthyNbZxXKHN=Uagt3jg@mail.gmail.com
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Ответы Re: select statements have many shared_blks_dirtied and written
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     We have several sql "select ... from ... where  ..." ,from pg_stat_statements, we found the select sql has many shared_blks_dirtied, shared_blks_written. is it by  "hint bits" updates ?  when checkpoint just completed, we saw many wal_fpi , wal_bytes with this select sql too.
     
  Thanks,

James 

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