numCommits = new LongStat(stats, TXN_COMMITS);
numAborts = new LongStat(stats, TXN_ABORTS);
numXAPrepares = new LongStat(stats, TXN_XAPREPARES);
numXACommits = new LongStat(stats, TXN_XACOMMITS);
numXAAborts = new LongStat(stats, TXN_XAABORTS);
activeTxns = new ActiveTxnArrayStat(stats, TXN_ACTIVE_TXNS);
}