Use java.util.concurrent in TransactionTable and XactFactory to improve
scalability
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Key: DERBY-3092
URL: https://issues.apache.org/jira/browse/DERBY-3092
Project: Derby
Issue Type: Improvement
Components: Performance, Store
Affects Versions: 10.3.1.4
Reporter: Dyre Tjeldvoll
Running scalability tests with the client and buffer manager from DERBY-2911
shows that access to the TransactionTable.trans (a Hashtable) and
XactFactory.tranId (a shared long) are the next major sources of contention.
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