To eliminate any skepticism around whether cpu is a good performance metric
for this workload, I did a couple comparison runs of an example job to
demonstrate a more universal change in performance metrics (stage/job time)
between coarse and fine-grained mode on mesos.
The workload is identical he
You should never use the training data to measure your prediction accuracy.
Always use a fresh dataset (test data) for this purpose.
On Sun, Nov 29, 2015 at 8:36 AM, Jeff Zhang wrote:
> I think this should represent the label of LabledPoint (0 means negative 1
> means positive)
> http://spark.ap
Hi,
My limited understanding of Spark tells me that a task is the least
possible working unit and Spark itself won't give you much. It
wouldn't expect so since "acount" is a business entity not Spark's
one.
What about using mapPartitions* to know the details of partitions and
do whatever you want
In these scenarios it's fairly standard to report the metrics either
directly or through accumulators (
http://spark.apache.org/docs/latest/programming-guide.html#accumulators-a-nameaccumlinka)
to a time series database such as Graphite (http://graphite.wikidot.com/)
or OpenTSDB (http://opentsdb.ne
This looks interesting, thanks Ruslan. But, compaction with Hive is as
simple as an insert overwrite statement as Hive
supports CombineFileInputFormat, is it possible to do the same with Spark?
On Thu, Nov 26, 2015 at 9:47 AM, Ruslan Dautkhanov
wrote:
> An interesting compaction approach of smal
The workaround is have your code in the same package, or write some
utility wrapper in the same package so you can use them in your code.
Mostly we implement those BLAS for our own need, and we don't have
general use-case in mind. As a result, if we open them up prematurely,
it will add our api mai
Hi Adam,
Thanks for the graphs and the tests, definitely interested to dig a
bit deeper to find out what's could be the cause of this.
Do you have the spark driver logs for both runs?
Tim
On Mon, Nov 30, 2015 at 9:06 AM, Adam McElwee wrote:
> To eliminate any skepticism around whether cpu is a
The JDBC drivers are currently being pulled in as test-scope dependencies
of the `sql/core` module:
https://github.com/apache/spark/blob/f2fbfa444f6e8d27953ec2d1c0b3abd603c963f9/sql/core/pom.xml#L91
In SBT, these wind up on the Docker JDBC tests' classpath as a transitive
dependency of the `spark-
Or you could also use reflection like in this Spark Package:
https://github.com/brkyvz/lazy-linalg/blob/master/src/main/scala/com/brkyvz/spark/linalg/BLASUtils.scala
Best,
Burak
On Mon, Nov 30, 2015 at 12:48 PM, DB Tsai wrote:
> The workaround is have your code in the same package, or write som
I used reflection initially, but I found it's very slow especially in
a tight loop. Maybe caching the reflection can help which I never try.
Sincerely,
DB Tsai
--
Web: https://www.dbtsai.com
PGP Key ID: 0xAF08DF8D
On Mon, Nov 30, 2015 at 2
model.predict should return a 0/1 predicted label. The example code is
misleading when it calls the prediction a "score."
On Mon, Nov 30, 2015 at 9:13 AM, Fazlan Nazeem wrote:
> You should never use the training data to measure your prediction
> accuracy. Always use a fresh dataset (test data)
It should work with 1.5+.
On Thu, Nov 26, 2015 at 12:53 PM, Ndjido Ardo Bar wrote:
>
> Hi folks,
>
> Does anyone know whether the Grid Search capability is enabled since the
> issue spark-9011 of version 1.4.0 ? I'm getting the "rawPredictionCol
> column doesn't exist" when trying to perform a g
Hi Joseph,
Yes Random Forest support Grid Search on Spark 1.5.+ . But I'm getting a
"rawPredictionCol field does not exist exception" on Spark 1.5.2 for
Gradient Boosting Trees classifier.
Ardo
On Tue, 1 Dec 2015 at 01:34, Joseph Bradley wrote:
> It should work with 1.5+.
>
> On Thu, Nov 26, 2
As most of you probably know FOSDEM 2016 (the biggest,
100% free open source developer conference) is right
around the corner:
https://fosdem.org/2016/
We hope to have an ASF booth and we would love to see as
many ASF projects as possible present at various tracks
(AKA Developer rooms):
htt
Hi Ndjido,
This is because GBTClassifier doesn't yet have a rawPredictionCol like the.
RandomForestClassifier has.
Cf:
http://spark.apache.org/docs/latest/ml-ensembles.html#output-columns-predictions-1
On 1 Dec 2015 3:57 a.m., "Ndjido Ardo BAR" wrote:
> Hi Joseph,
>
> Yes Random Forest support G
just want to follow up
On Nov 25, 2015 9:19 PM, "Alexander Pivovarov" wrote:
> Hi Everyone
>
> I noticed that spark ec2 script is outdated.
> How to add 1.5.2 support to ec2/spark_ec2.py?
> What else (except of updating spark version in the script) should be done
> to add 1.5.2 support?
>
> We al
Hi Benjamin,
Thanks, the documentation you sent is clear.
Is there any other way to perform a Grid Search with GBT?
Ndjido
On Tue, 1 Dec 2015 at 08:32, Benjamin Fradet
wrote:
> Hi Ndjido,
>
> This is because GBTClassifier doesn't yet have a rawPredictionCol like
> the. RandomForestClassifier h
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