THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Fast tests are critical! Imagine the main test thread is a runner and he must complete a race. Sleeping or polling for that runner are viciously costly. All of the threads and resources around that runner should be clearing the way and reacting quickly and efficiently, so he can run from point a to b in the fastest way possible, with little blocking, or unnecessary waiting. A test will often have a storm of activity, but we must remember the key is that one runner. Of course when he completes, everything has to be ready and quickly close as well, but first thing is first. |
Gradle
ZooKeeper
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multi api: This is known to be the fastest api but also a little thickier trickier with handling responses properly. It also only succeeds if all of the individual operations succeed. You can use a multi to only write data if a certain znode has a given version as another use case.
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