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  1. WiredTiger
  2. WT-2253

eviction could prioritize any page with a WT_READGEN_OLDEST generation

    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Minor - P4
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: WT2.7.0
    • Labels:
      None
    • # Replies:
      6
    • Last comment by Customer:
      true

      Description

      Eviction currently doesn't aggressively select internal pages that have been emptied (that is, oplog internal pages). Those pages are marked WT_READGEN_OLDEST, so can be easily identified.

        Issue Links

          Activity

          Hide
          keith.bostic Keith Bostic added a comment -

          This one has been merged into develop, but I mis-titled it so the GitHub merge wasn't reflected into the JIRA ticket; see the GitHub link for more information.

          Show
          keith.bostic Keith Bostic added a comment - This one has been merged into develop, but I mis-titled it so the GitHub merge wasn't reflected into the JIRA ticket; see the GitHub link for more information.
          Hide
          xgen-internal-githook Githook User added a comment -

          Author:

          {u'username': u'michaelcahill', u'name': u'Michael Cahill', u'email': u'michael.cahill@mongodb.com'}

          Message: Import wiredtiger-wiredtiger-mongodb-3.2-rc4-70-g197eef0.tar.gz from wiredtiger branch mongodb-3.2

          ref: 7a4f325..197eef0

          bff6525 SERVER-21553 Free blocks during reverse splits.
          c70b097 WT-2253: prioritize WT_READGEN_OLDEST pages for eviction.
          4fc3e39 WT-2253 Evict pages left behind by in-memory splits.
          Branch: master
          https://github.com/mongodb/mongo/commit/f4309efa6d478c1dae79d2483d756c00a069175f

          Show
          xgen-internal-githook Githook User added a comment - Author: {u'username': u'michaelcahill', u'name': u'Michael Cahill', u'email': u'michael.cahill@mongodb.com'} Message: Import wiredtiger-wiredtiger-mongodb-3.2-rc4-70-g197eef0.tar.gz from wiredtiger branch mongodb-3.2 ref: 7a4f325..197eef0 bff6525 SERVER-21553 Free blocks during reverse splits. c70b097 WT-2253 : prioritize WT_READGEN_OLDEST pages for eviction. 4fc3e39 WT-2253 Evict pages left behind by in-memory splits. Branch: master https://github.com/mongodb/mongo/commit/f4309efa6d478c1dae79d2483d756c00a069175f
          Hide
          xgen-internal-githook Githook User added a comment -

          Author:

          {u'username': u'michaelcahill', u'name': u'Michael Cahill', u'email': u'michael.cahill@mongodb.com'}

          Message: Import wiredtiger-wiredtiger-mongodb-3.2-rc4-70-g197eef0.tar.gz from wiredtiger branch mongodb-3.2

          ref: 7a4f325..197eef0

          bff6525 SERVER-21553 Free blocks during reverse splits.
          c70b097 WT-2253: prioritize WT_READGEN_OLDEST pages for eviction.
          4fc3e39 WT-2253 Evict pages left behind by in-memory splits.
          Branch: master
          https://github.com/mongodb/mongo/commit/f4309efa6d478c1dae79d2483d756c00a069175f

          Show
          xgen-internal-githook Githook User added a comment - Author: {u'username': u'michaelcahill', u'name': u'Michael Cahill', u'email': u'michael.cahill@mongodb.com'} Message: Import wiredtiger-wiredtiger-mongodb-3.2-rc4-70-g197eef0.tar.gz from wiredtiger branch mongodb-3.2 ref: 7a4f325..197eef0 bff6525 SERVER-21553 Free blocks during reverse splits. c70b097 WT-2253 : prioritize WT_READGEN_OLDEST pages for eviction. 4fc3e39 WT-2253 Evict pages left behind by in-memory splits. Branch: master https://github.com/mongodb/mongo/commit/f4309efa6d478c1dae79d2483d756c00a069175f
          Hide
          xgen-internal-githook Githook User added a comment -

          Author:

          {u'username': u'michaelcahill', u'name': u'Michael Cahill', u'email': u'michael.cahill@mongodb.com'}

          Message: Merge pull request #2426 from wiredtiger/WT-2253-backport

          WT-2253 Backport to 3.0. Evict pages left behind by in-memory splits.
          Branch: mongodb-3.0
          https://github.com/wiredtiger/wiredtiger/commit/2182e6291977a8bf6b9ad21561f86700b3117bad

          Show
          xgen-internal-githook Githook User added a comment - Author: {u'username': u'michaelcahill', u'name': u'Michael Cahill', u'email': u'michael.cahill@mongodb.com'} Message: Merge pull request #2426 from wiredtiger/ WT-2253 -backport WT-2253 Backport to 3.0. Evict pages left behind by in-memory splits. Branch: mongodb-3.0 https://github.com/wiredtiger/wiredtiger/commit/2182e6291977a8bf6b9ad21561f86700b3117bad
          Hide
          xgen-internal-githook Githook User added a comment -

          Author:

          {u'username': u'michaelcahill', u'name': u'Michael Cahill', u'email': u'michael.cahill@mongodb.com'}

          Message: Merge pull request #2426 from wiredtiger/WT-2253-backport

          WT-2253 Backport to 3.0. Evict pages left behind by in-memory splits.
          Branch: mongodb-3.0
          https://github.com/wiredtiger/wiredtiger/commit/2182e6291977a8bf6b9ad21561f86700b3117bad

          Show
          xgen-internal-githook Githook User added a comment - Author: {u'username': u'michaelcahill', u'name': u'Michael Cahill', u'email': u'michael.cahill@mongodb.com'} Message: Merge pull request #2426 from wiredtiger/ WT-2253 -backport WT-2253 Backport to 3.0. Evict pages left behind by in-memory splits. Branch: mongodb-3.0 https://github.com/wiredtiger/wiredtiger/commit/2182e6291977a8bf6b9ad21561f86700b3117bad
          Hide
          xgen-internal-githook Githook User added a comment -

          Author:

          {u'name': u'Ramon Fernandez', u'email': u'ramon@mongodb.com'}

          Message: Import wiredtiger-wiredtiger-mongodb-3.0.8-15-gcae5fcf.tar.gz from wiredtiger branch mongodb-3.0

          ref: a1ddc5e..cae5fcf

          WT-2193 Handle read-committed checkpoints during snapshot transactions
          WT-2196 Fix size only statistics cursors with LSM
          WT-2253 eviction could prioritize any page with a WT_READGEN_OLDEST generation
          Branch: v3.0
          https://github.com/mongodb/mongo/commit/f23290ec159ca606a65da76654703f1210118726

          Show
          xgen-internal-githook Githook User added a comment - Author: {u'name': u'Ramon Fernandez', u'email': u'ramon@mongodb.com'} Message: Import wiredtiger-wiredtiger-mongodb-3.0.8-15-gcae5fcf.tar.gz from wiredtiger branch mongodb-3.0 ref: a1ddc5e..cae5fcf WT-2193 Handle read-committed checkpoints during snapshot transactions WT-2196 Fix size only statistics cursors with LSM WT-2253 eviction could prioritize any page with a WT_READGEN_OLDEST generation Branch: v3.0 https://github.com/mongodb/mongo/commit/f23290ec159ca606a65da76654703f1210118726

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              Dates

              • Created:
                Updated:
                Resolved:
                Days since reply:
                1 year, 10 weeks, 4 days ago
                Date of 1st Reply: