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I recommend using a bounded queue instead of checking the size and soing the if 
else everytime  
something like this might work
```java
 BlockingQueue<Runnable> linkedBlockingDeque = new 
LinkedBlockingDeque<Runnable>(
        1);
    ExecutorService service = new ThreadPoolExecutor(1, 1, 30, 
TimeUnit.SECONDS, linkedBlockingDeque,
                                                             new 
ThreadPoolExecutor.DiscardPolicy());

```

- Slim Bouguerra


On Nov. 19, 2019, 3:43 p.m., Attila Magyar wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/71784/
> -----------------------------------------------------------
> 
> (Updated Nov. 19, 2019, 3:43 p.m.)
> 
> 
> Review request for hive, Laszlo Bodor, Harish Jaiprakash, Mustafa Iman, and 
> Panos Garefalakis.
> 
> 
> Bugs: HIVE-22514
>     https://issues.apache.org/jira/browse/HIVE-22514
> 
> 
> Repository: hive-git
> 
> 
> Description
> -------
> 
> HiveProtoLoggingHook uses a ScheduledThreadPoolExecutor to submit writer 
> tasks and to periodically handle rollover. The builtin 
> ScheduledThreadPoolExecutor uses a unbounded queue which cannot be replaced 
> from the outside. If log events are generated at a very fast rate this queue 
> can grow large.
> 
> Since ScheduledThreadPoolExecutor does not support changing the default 
> unbounded queue to a bounded one, the queue capacity is checked manually by 
> the patch.
> 
> 
> Diffs
> -----
> 
>   common/src/java/org/apache/hadoop/hive/conf/HiveConf.java a7687d59004 
>   ql/src/java/org/apache/hadoop/hive/ql/hooks/HiveProtoLoggingHook.java 
> 8eab54859bf 
>   ql/src/test/org/apache/hadoop/hive/ql/hooks/TestHiveProtoLoggingHook.java 
> 450a0b544d6 
> 
> 
> Diff: https://reviews.apache.org/r/71784/diff/1/
> 
> 
> Testing
> -------
> 
> unittest
> 
> 
> Thanks,
> 
> Attila Magyar
> 
>

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