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2414702 - Tempdb system tables space continues to grow and has not been cleared out - SAP ASE

Symptom

  • The size of system tables in tempdb or user tempdb continues to grow
  • Large size of index for system tables in tempdb

  • Optdiag output shows large number of "Empty leaf page count" pages:

    Specified database:                     "tempdb_1"
    ...
    Table name:                               "syspartitions"

    Statistics for index:                   "csyspartitions" (clustered)
     Index column list:                      "id", "indid", "partitionid"
          Leaf count:                               1786
          Empty data page count:             136

    Statistics for index:                   "ncsyspartitions" (nonclustered)
     Index column list:                      "partitionid", "indid"
          Leaf count:                              1756
          Empty leaf page count:             1195      

    Statistics for index:                   "nc2syspartitions" (nonclustered)
     Index column list:                      "id", "indid", "name"
          Leaf count:                              4862
          Empty leaf page count:             48892

  • Output from sp_spaceused shows large index sizes:

sp_spaceused syspartitions, 1

index_name           size                reserved
----------------------    ----------------   -----------------
csyspartitions                196 KB          1128 KB
ncsyspartitions        586824 KB      587944 KB
nc2syspartitions    2647056 KB    2647944 KB


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Environment

  • SAP Adaptive Server Enterprise (ASE)  ASE 15.7 & 16.0

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0

Keywords

1105, tempdb, reorg reclaim_space , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Product Enhancement

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