Re: [Beowulf] [External] Re: Clustering vs Hadoop/spark [EXT]

2020-11-25 Thread Prentice Bisbal via Beowulf
So "automatic garbage collection" is a lie? On 11/25/20 6:40 AM, Tim Cutts wrote: Except of course, you do really.  Java applications can end up with huge memory leaks because the programmers really need to understand the mechanism when objects get moved from Eden and Survivor space into Tenur

Re: [Beowulf] [External] Re: Clustering vs Hadoop/spark [EXT]

2020-11-25 Thread Jonathan Aquilina via Beowulf
: Jonathan Aquilina Cc: Prentice Bisbal ; Beowulf Subject: Re: [Beowulf] [External] Re: Clustering vs Hadoop/spark [EXT] It depends on how long the object lives. If it’s still being used after a certain number of garbage collection cycles, it gets moved to tenured space, and will never be garbage

Re: [Beowulf] [External] Re: Clustering vs Hadoop/spark [EXT]

2020-11-25 Thread Tim Cutts
mailto:pbis...@pppl.gov>> Cc: Beowulf mailto:beowulf@beowulf.org>> Subject: Re: [Beowulf] [External] Re: Clustering vs Hadoop/spark [EXT] Except of course, you do really. Java applications can end up with huge memory leaks because the programmers really need to understand the mec

Re: [Beowulf] [External] Re: Clustering vs Hadoop/spark [EXT]

2020-11-25 Thread Jonathan Aquilina via Beowulf
: 25 November 2020 12:40 To: Prentice Bisbal Cc: Beowulf Subject: Re: [Beowulf] [External] Re: Clustering vs Hadoop/spark [EXT] Except of course, you do really. Java applications can end up with huge memory leaks because the programmers really need to understand the mechanism when objects get

Re: [Beowulf] [External] Re: Clustering vs Hadoop/spark [EXT]

2020-11-25 Thread Tim Cutts
Except of course, you do really. Java applications can end up with huge memory leaks because the programmers really need to understand the mechanism when objects get moved from Eden and Survivor space into Tenured space. Tenured space never decreases, so every object which ends up there is allo

Re: [Beowulf] [External] Re: Clustering vs Hadoop/spark

2020-11-24 Thread Prentice Bisbal via Beowulf
On 11/24/20 11:45 AM, Jonathan Aquilina via Beowulf wrote: When I learned java as part of my degree I used to see it as clunky why go for an interpreted language such as java over something more low level like c/c++ on a traditional cluster? Technically Java isn't really an interpreted langu