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Lightning Fast I/O via zHyperLink and Db2 for z/OS Exploitation – Part 2

Lightning Fast I/O via zHyperLink and Db2 for z/OS Exploitation – Part 2

by Akiko Hoshikawa | Aug 22, 2019

Last week we ended with Db2 Performance of zHyperLink Read. Now let’s look at the CPU cost of zHyperLink read. As explained last week, I/O operation is now synchronous to CPU with zHyperLink and SQL processing spins while waiting for the I/O to complete. At the same...

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Lightning Fast I/O via zHyperLink and Db2 for z/OS Exploitation

Lightning Fast I/O via zHyperLink and Db2 for z/OS Exploitation

by Akiko Hoshikawa | Aug 15, 2019

As the size of database and the volume of transactions increase, many of Db2 transactions tend to spend significant amount of wait time in database read and log write I/Os. zHyperLink is introduced to help reduce b2 transaction latency. zHyperLink is a new short...

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