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  1. Core Server
  2. SERVER-28630

Mongo zero size db folder is not clear on the disk

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Duplicate
    • Affects Version/s: 3.2 Required
    • Fix Version/s: None
    • Component/s: None
    • Labels:
      None
    • Environment:
      Operate System: CentOS 6.3 2.6.32-642.13.1.el6.x86_64
    • Backwards Compatibility:
      Fully Compatible

      Description

      Hi There,

      We using Mongo DB 3.2.6 to store log information, and store the log in db by its persistent time. After we drop the expired database, the database will not show by command "show dbs". The database folder size is zero, and it is still exist on the disk.
      Why the db.dropDatabase() cannot purge the zero folder on the disk?

      ========================
      106M diagnostic.data
      300M journal
      72K local
      64K _mdb_catalog.wt
      4.0K mongod.lock
      84K sizeStorer.wt
      4.0K storage.bson
      0 TrackingLogDB_2016121700_2017031700
      0 TrackingLogDB_2016121800_2017031800
      0 TrackingLogDB_2016121900_2017031900
      0 TrackingLogDB_2016122000_2017032000
      0 TrackingLogDB_2016122100_2017032100
      0 TrackingLogDB_2016122200_2017032200
      0 TrackingLogDB_2016122300_2017032300
      0 TrackingLogDB_2016122400_2017032400
      0 TrackingLogDB_2016122500_2017032500
      0 TrackingLogDB_2016122600_2017032600
      0 TrackingLogDB_2016122700_2017032700
      0 TrackingLogDB_2016122800_2017032800
      0 TrackingLogDB_2016122900_2017032900
      0 TrackingLogDB_2016123000_2017033000
      0 TrackingLogDB_2016123100_2017033100
      0 TrackingLogDB_2017010100_2017040100
      0 TrackingLogDB_2017010200_2017040200
      0 TrackingLogDB_2017010300_2017040300
      0 TrackingLogDB_2017010400_2017040400
      3.7M TrackingLogDB_2017010500_2017040500
      3.7M TrackingLogDB_2017010600_2017040600
      3.7M TrackingLogDB_2017010700_2017040700
      3.6M TrackingLogDB_2017010800_2017040800
      3.5M TrackingLogDB_2017010900_2017040900
      ========================

      Regards
      Eric Huang

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              Assignee:
              Unassigned Unassigned
              Reporter:
              eric_huang eric_huang
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                Created:
                Updated:
                Resolved: