Currently, the sibling component must activate native pooling of OpenJPA's EntityManagerFactory so that JESTServlet can obtain a handle to the same unit from the pool.

目前，同级组件必须激活openjpa的EntityManagerFactory的原生池，这样JESTServlet就可以从池中获得同一个单元的句柄。

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We'll call this pool a processing unit, with one pool hosted in each shard.

我们将这个线程池称为一个处理单元，每个shard中托管一个线程池。

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The threads are maintained in a cached pool of threads per persistence unit.

这些线程根据每个持久性单元保存在线程的缓存池内。

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According to a report by the Congressional Research Service, there are more fuel rods in the Unit 4 fuel pool than at any of the five other reactors.

FORBES: New Video From Fukushima Shows Containment Vessel Dome Amid Debris

Engineers and workers so far have managed to stave off a complete meltdown in Fukushima Daiichi's reactors 1-3 and in the spent fuel pool of unit 4.

CNN: STORY HIGHLIGHTS

The charity aims to fundraise over the summer to improve its seal unit by making the pool bigger and fitting a pump system in case any further rescues are needed.

BBC: Guernsey