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3581104 - On secondary site many log shipping timeouts occurring

Symptom

In a system replication setup, on the secondary site there are many dumps of log shipping timeouts are generated/occurred.

In the secondary indexserver log, the following entries can be seen:

 e sr_dataaccess    DisasterRecoverySecondaryImpl.cpp(01121) : Trying to reconnect data handler to primary (1)
 w PersistenceManag DisasterRecoveryProtocol.cpp(04578) : log buffer takes more than 30000000 us to process and write, this could be caused by write-IO peak.
 w PersistenceManag DisasterRecoveryProtocol.cpp(04579) : This trace is intended to clarify frequent "logshipping timeout" situation. If this is the case, then it's probably by write-IO, not by network.


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Environment

SAP HANA, platform edition

Keywords

logshipping timeout, write-IO, network, replication, secondary, IO values, hardware , KBA , HAN-DB-HA , SAP HANA High Availability (System Replication, DR, etc.) , Problem

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