SAP Knowledge Base Article - Preview

2994966 - Rep Agent rapidly switching between modes 'sync' and 'async' - SAP ASE

Symptom

  • The messages "Rep Agent on database '<database-name>' switched from mode 'async' to mode 'sync' because scanner reached end of log" and "Rep Agent on database '<database-name>' switched from mode 'sync' to mode 'async' because timer on commit expired." are reported almost at the same time in the SAP Adaptive Server error log.
  • The call stack of the Rep Agent scanner spid will show the modules 'ra__ci_stream_pkg_stats_pool_almost_exhausted' or 'ra__ci_stream_pkg_stats_shrink_pool'


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Environment

  • SAP Adaptive Server Enterprise (ASE)
  • High Availability Disaster Recovery (HADR)
  • Heavy HADR workload

Product

SAP Adaptive Server Enterprise 12.5 ; SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 15.7 Cluster Edition ; SAP Adaptive Server Enterprise 16.0 ; SAP Adaptive Server Enterprise 16.0 Cluster Edition ; Sybase Adaptive Server Enterprise 12.5 ; Sybase Adaptive Server Enterprise 15.0 ; Sybase Adaptive Server Enterprise 15.5 ; Sybase Adaptive Server Enterprise Cluster Edition 15.0 ; Sybase Adaptive Server Enterprise Cluster Edition 15.5 ; Sybase Adaptive Server Enterprise Cluster Edition 15.7

Keywords

Sybase, ASEServer, SAPASE, dataserver, CR822164, CR#822164, 822164 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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