New TokuDB 2.2.0 feature: more query progress information

New TokuDB 2.2.0 feature: more query progress information

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Last spring, we added a feature that allows the user to see the progress of writes in a statement. Vadim liked it. In 2.2.0, in “show processlist”, we add progress information on reads.

Here is an example of what “show processlist” displays on an update:

Here is an example of what “show processlist” displays on an insert that requires a query:

And here is an example of what show processlist displays in a query:

As we see in the examples above, the work required to execute some statements are a combination of reads and writes. Having progress information on both helps provide the user with a better understanding of what is going on in the system.

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