Follow me on TwitterIt is not often that we get great things for free; there is often a catch. In the case of the new “Read Currently Committed” semantics, there is no catch. It is a great feature that is not to be missed by anyone who needs to develop and support high volume transactional applications. The best part is there is nothing to pay for, no code to change, nothing to tune or administer. It is on by default and it just works.
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We are in the process of refreshing free DB2 Express-C to the new level i.e. v9.5.2. There are lots of enhancements that you will get as a result of this refresh. Customers that had DB2 Express-C subscription did have these enhancements delivered as part of FixPack 1 and FixPack 2. Now those of you that are using the free version of DB2 Express-C can also take advantage of all the goodness that the latest version of DB2 Express-C has to offer. Recently IBM published a new TPC-C benchmark and to make a point took out a series of full page ads to tell the world about it. The result is 1.2 million of TPC-C transactions per minute. This is by no means the fastest TPC-C performance. The fastest TPC-C result so far is 5 times better i.e. about 6 million transactions per minute and it is also posted by DB2. So, what is so great about a this benchmark result? The important point here is that this result was achieved on an x86-64 PC server i.e. the same class of hardware that [...] |
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