Product Documentation

FairCom ISAM for C

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Transaction Log Numbering

The limit for transaction log numbering is high enough that it is unlikely any production system will encounter it. FairCom DB allows transaction log numbers to reach values over 2 billion. Notice that this limit refers to the numbering of transaction log files, which is not related to transaction numbering (see Transaction High-Water Marks). If a system should get close to the 2-billion mark, the Server Transaction Logs can be reset by safely removing the logs, following the FairCom DB Server Best Practice Upgrade Procedure, documented in the section of the Knowledgebase titled Upgrading from Previous Editions.