August 2011
Intermediate to advanced
280 pages
6h 50m
English
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Synchronization Damns Concurrency
Synchronization has some fundamental flaws.
If we use it improperly or forget it totally, the changes made by a thread may not be visible to other threads. We often learn the hard way where we need to synchronize in order to ensure visibility and avoid race conditions.
Unfortunately, when we synchronize, we force contending threads to wait. Concurrency is affected by the granularity of synchronization, so placing this in the hands of programmers increases the opportunity to make it less efficient or outright wrong.
Synchronization can lead to a number of liveness problems. It’s easy to deadlock an application if it holds locks while waiting for others. It’s also easy to run into livelock issues where threads ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.