Re: memory size for caching RDD

2014-09-04 Thread 牛兆捷
But is it possible to make t resizable? When we don't have many RDD to cache, we can give some memory to others. 2014-09-04 13:45 GMT+08:00 Patrick Wendell pwend...@gmail.com: Changing this is not supported, it si immutable similar to other spark configuration settings. On Wed, Sep 3, 2014

Re: memory size for caching RDD

2014-09-04 Thread 牛兆捷
Thanks raymond. I duplicated the question. Please see the reply here. [?] 2014-09-04 14:27 GMT+08:00 牛兆捷 nzjem...@gmail.com: But is it possible to make t resizable? When we don't have many RDD to cache, we can give some memory to others. 2014-09-04 13:45 GMT+08:00 Patrick Wendell

RE: memory size for caching RDD

2014-09-04 Thread Liu, Raymond
limit. Best Regards, Raymond Liu From: 牛兆捷 [mailto:nzjem...@gmail.com] Sent: Thursday, September 04, 2014 2:27 PM To: Patrick Wendell Cc: user@spark.apache.org; d...@spark.apache.org Subject: Re: memory size for caching RDD But is it possible to make t resizable? When we don't have many RDD to cache

Re: memory size for caching RDD

2014-09-04 Thread 牛兆捷
. spark.shuffle.memoryFraction which you also set the up limit. Best Regards, *Raymond Liu* *From:* 牛兆捷 [mailto:nzjem...@gmail.com] *Sent:* Thursday, September 04, 2014 2:27 PM *To:* Patrick Wendell *Cc:* user@spark.apache.org; d...@spark.apache.org *Subject:* Re: memory size for caching RDD

RE: memory size for caching RDD

2014-09-04 Thread Liu, Raymond
Regards, Raymond Liu From: 牛兆捷 [mailto:nzjem...@gmail.com] Sent: Thursday, September 04, 2014 2:57 PM To: Liu, Raymond Cc: Patrick Wendell; user@spark.apache.org; d...@spark.apache.org Subject: Re: memory size for caching RDD Oh I see. I want to implement something like this: sometimes I need

Re: memory size for caching RDD

2014-09-04 Thread 牛兆捷
@spark.apache.org; d...@spark.apache.org Subject: Re: memory size for caching RDD Oh I see. I want to implement something like this: sometimes I need to release some memory for other usage even when they are occupied by some RDDs (can be recomputed with the help of lineage when they are needed

resize memory size for caching RDD

2014-09-03 Thread 牛兆捷
Dear all: Spark uses memory to cache RDD and the memory size is specified by spark.storage.memoryFraction. One the Executor starts, does Spark support adjusting/resizing memory size of this part dynamically? Thanks. -- *Regards,* *Zhaojie*

RE: resize memory size for caching RDD

2014-09-03 Thread Liu, Raymond
AFAIK, No. Best Regards, Raymond Liu From: 牛兆捷 [mailto:nzjem...@gmail.com] Sent: Thursday, September 04, 2014 11:30 AM To: user@spark.apache.org Subject: resize memory size for caching RDD Dear all: Spark uses memory to cache RDD and the memory size is specified

Re: memory size for caching RDD

2014-09-03 Thread Patrick Wendell
Changing this is not supported, it si immutable similar to other spark configuration settings. On Wed, Sep 3, 2014 at 8:13 PM, 牛兆捷 nzjem...@gmail.com wrote: Dear all: Spark uses memory to cache RDD and the memory size is specified by spark.storage.memoryFraction. One the Executor starts,