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3618683 - Checkpoint not progressing since upgrading to 16.0 SP04 PL07 - SAP ASE

Symptom

  • Upgrade from 16.0 SP04 PL06 HF1 to 16.0 SP04 PL07
  • Housekeeper GC in latch sleep

spid 12, HKGC is in latch sleep.  It is waiting for a latch held by spid 19279. 

  • The latch holder is sleeping on the PLC (user log cache) held by the Housekeeper GC

  • One or more databases has run out of space, raising an 1105 error.

00:0202:00000:15621:2025/05/27 19:13:36.92 server  Space available in segment 'logsegment' has fallen critically low in database 'tempdb_sa'. All future modifications to this database will be aborted until the transaction log is successfully dumped and space becomes available.

  • Latch sleep process is blocking other processes


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Environment

  • SAP Adaptive Server Enterprise (ASE) 16.0 SP04
  • SAP Adaptive Server Enterprise (ASE) 16.1 SP00 PL00

Product

SAP Adaptive Server Enterprise 16.0.4

Keywords

CR 830801, 830801, latch, sleep, blocking, Housekeeper, HK, deadlock , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Product Enhancement

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