monsoon | BitTorrent client using BitSharp
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kandi X-RAY | monsoon Summary
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QUESTION
Currently, google dataproc does not have spark 3.2.0 as an image. The latest available is 3.1.2. I want to use the pandas on pyspark functionality that spark has released with 3.2.0.
I am doing the following steps to use spark 3.2.0
- Created an environment 'pyspark' locally with pyspark 3.2.0 in it
- Exported the environment yaml with
conda env export > environment.yaml
- Created a dataproc cluster with this environment.yaml. The cluster gets created correctly and the environment is available on master and all the workers
- I then change environment variables.
export SPARK_HOME=/opt/conda/miniconda3/envs/pyspark/lib/python3.9/site-packages/pyspark
(to point to pyspark 3.2.0),export SPARK_CONF_DIR=/usr/lib/spark/conf
(to use dataproc's config file) and,export PYSPARK_PYTHON=/opt/conda/miniconda3/envs/pyspark/bin/python
(to make the environment packages available)
Now if I try to run the pyspark shell I get:
...ANSWER
Answered 2022-Jan-15 at 07:17One can achieve this by:
- Create a dataproc cluster with an environment (
your_sample_env
) that contains pyspark 3.2 as a package - Modify
/usr/lib/spark/conf/spark-env.sh
by adding
QUESTION
I have a time Series DataFrame:
[https://www.dropbox.com/s/elaxfuvqyip1eq8/SampleDF.csv?dl=0][1]
My intention is to divide this DataFrame into different seasons according to:
- winter: Dec Jan Feb
- Pre-monsoon: Mar Apr May Jun15 (i.e. till 15th of June)
- Monsoon: 15Jun Jul Aug Sep (i.e. from 15th of June)
- Post-monsoon: Oct Nov.
I tried using openair
package function
selectByDate()
But no luck yet. Being novice in R. Any help would be highly appreciated.
Thanks!
...ANSWER
Answered 2022-Mar-01 at 19:09Please see the lubridate
package which makes working with date/time a bit easier.
For your problem, I guess you can use sapply
:
QUESTION
- standard dataproc image 2.0
- Ubuntu 18.04 LTS
- Hadoop 3.2
- Spark 3.1
I am testing to run a very simple script on dataproc pyspark cluster:
testing_dep.py
...ANSWER
Answered 2022-Jan-19 at 21:26The error is expected when running Spark in YARN cluster mode but the job doesn't create Spark context. See the source code of ApplicationMaster.scala.
To avoid this error, you need to create a SparkContext or SparkSession, e.g.:
QUESTION
There is a lot of empty space between two plots of the same row. I tried to rectify this by changing the outer margins and plot margins using par() but it isn't working. Another solution I thought of was to increase the size of individual plots but I don't know how to.
...ANSWER
Answered 2022-Jan-15 at 11:16You can save the plot by controlling with overall width and height of the image i.e. plot page size, for example, as a png file.
The argument pty = "s"
forces a square plot. So by playing around with the width and height arguments of the plot page size you can get the appearance you want.
Alternatively you can use the respect
argument of layout
and use cex.lab
to vary the axis label size.
QUESTION
I am relatively new to python and programming and have been trying to make some initial plots of precipitation data for the Indian subcontinent specifically for the indian winter monsoon through the period of December, January, February, March.
I have noticed that in groupby('time.season').mean(dim='time') only work for DJF
is there a way to get 4 month (DJFM) seasonal average?
...ANSWER
Answered 2022-Jan-11 at 08:30If you want the average for a specific set of months over the whole dataset, you can select the months using the time accessor dt and isin, then apply mean. So in your case:
QUESTION
I am a spark amateur as you will notice in the question. I am trying to run very basic code on a spark cluster. (created on dataproc)
- I SSH into the master
Create a pyspark shell with
pyspark --master yarn
and run the code - SuccessRun the exact same code with
spark-submit --master yarn code.py
- Fails
I have provided some basic details below. Please do let me know whatever additional details I might provide for you to help me.
Details:
code to be run :
testing_dep.py
...ANSWER
Answered 2022-Jan-07 at 21:22I think the error message is clear:
Class com.google.cloud.hadoop.fs.gcs.GoogleHadoopFileSystem not found
You need to add the Jar file which contains the above class to SPARK_CLASSPATH
Please see Issues Google Cloud Storage connector on Spark or DataProc for complete solutions.
QUESTION
I have this table:
...ANSWER
Answered 2021-Dec-06 at 14:40Prepared an example, right? screenshot Since the data contains commas, made tab delimiters
QUESTION
I have created a 7 nodes cluster on dataproc (1 master and 6 executors. 3 primary executors and 3 secondary preemptible executors). I can see in the console the cluster is created corrected. I have all 6 ips and VM names. I am trying to test the cluster but it seems the code is not running on all the executors but just 2 at max. Following is the code I am using to check the number of executors that the code executed on:
...ANSWER
Answered 2021-Dec-02 at 07:56You have many executer to work, but not enough data partitions to work on. You can add the parameter numSlices
in the parallelize() method to define how many partitions should be created:
QUESTION
There are two tables fruits and fruits_seasons in the schema and I wanted to get all the monsoon fruits. While trying so I noticed a weird response.
https://dbfiddle.uk/?rdbms=mysql_8.0&fiddle=77d52b2736a04a5adf4ffe80881cd4ab
Monsoon months
...ANSWER
Answered 2021-Sep-25 at 17:57GROUP_CONCAT()
returns a string which is a comma separated list of values, so your code is equivalent to:
QUESTION
I implemented an observer pattern in the below code. However, I am not sure how to create SeasonSubject class's instance in order to call addObserver() function? I don't want to create it inside my view controller. Please refer to below code.
...ANSWER
Answered 2021-Jul-11 at 10:32You can create SeasonSubject
as a singleton instance, it already maintains an array of observers so multiple observers can use this same instance throughout the app.
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