presto-main/src/main/java/io/prestosql/transaction/TransactionManagerConfig.java/TransactionManagerConfig/setMaxFinishingConcurrency
class TransactionManagerConfig:    @Config("transaction.max-finishing-concurrency")
    @ConfigDescription("Maximum parallelism for committing or aborting a transaction")
    public TransactionManagerConfig setMaxFinishingConcurrency(int maxFinishingConcurrency)
    {
        this.maxFinishingConcurrency = maxFinishingConcurrency;
        return this;
    }