Symptom
You get errors like:
- HANA Alert ID 106 with Alert name 'ASYNC replication in-memory buffer overflow' frequently:
- On host <host:port> local in-memory buffer in ASYNC replication mode ran full ### time(s)
- Parameter 'logshipping_async_buffer_size' doesn't take effect in secondary site of a 3-teris landscape
- Mini check ID: M1818 - Async log shipping buffer full (last day) from 1999993 - How-To: Interpreting SAP HANA Mini Check Results
Trace of the affected service can show the following:
- w sr_dataaccess DisasterRecoveryConfiguration.cpp(00870) : Configured async replication buffer size too small: 16777216 -> setting to min size 16777216
- i PersistenceManag DisasterRecoveryProtocol.cpp(05762) : Asynchronous replication buffer full, accumulated count = 12031, trace cooldown = 300 s
- exception 3000321: Asynchronous Replication Buffer is Overloaded
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Environment
- SAP Hana Platform Edition 1.0
- SAP Hana Platform Edition 2.0
Product
SAP HANA 1.0, platform edition ; SAP HANA, platform edition 2.0
Keywords
logshipping_async_buffer_size, logshipping_async_wait_on_buffer_full, reconnect_time_interval, Asynchronous log shipping buffer full, network throughput, network latency, M1818, secondary, HANA replication, offline, online parameter , KBA , HAN-DB-HA , SAP HANA High Availability (System Replication, DR, etc.) , Problem
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