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2905297 - HANA Primary site is slow, hangs or is unresponsive when HANA System Replication is enabled

Symptom

  • Primary site is slow, hangs or is unresponsive when HANA System Replication is enabled
  • The script HANA_Configuration_MiniChecks_* from the note 1969700 finds no IO issues in the output for the 'DISKS' section of the report
  • But the checks below, from the 'SQL' section do find IO issues in the output of the report:
    • 'M1160 Average commit time (ms)'
    • 'M1161 Maximum commit I/O time (s)' OR
    • 'M1162 Average commit I/O time (ms)' 
  • The script HANA_Configuration_MiniChecks_* from the note 1969700 finds issues in the output of the 'SYSTEM REPLICATION' section of the report, for example, for the check 'Avg. sync log shipping time (ms/req, last day)' or 'M1818 Async log shipping buffer full (last day)'


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Environment

SAP HANA Database

Product

SAP HANA 1.0, platform edition ; SAP HANA, platform edition 2.0

Keywords

Bandwidth, latency, firewall, Network , KBA , HAN-DB-HA , SAP HANA High Availability (System Replication, DR, etc.) , HAN-DB , SAP HANA Database , Problem

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