FileStore | 莫提网盘-使用Spring写的一个小项目,可以提供在线存储服务
kandi X-RAY | FileStore Summary
kandi X-RAY | FileStore Summary
莫提网盘-使用Spring写的一个小项目,可以提供在线存储服务
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QUESTION
I'm using spark SQL and have a data frame with user IDs & reviews of products. I need to filter stop words from the reviews, and I have a text file with stop words to filter.
I managed to split the reviews to lists of strings, but don't know how to filter.
this is what I tried to do:
...ANSWER
Answered 2022-Apr-16 at 18:28You are a little vague in that you do not allude to the flatMap approach, which is more common.
Here an alternative just examining the dataframe column.
QUESTION
I'm able to save a Great_Expectations suite to the tmp folder on my Databricks Community Edition as follows:
...ANSWER
Answered 2022-Apr-01 at 09:52The save_expectation_suite
function uses the local Python API and storing the data on the local disk, not on DBFS - that's why file disappeared.
If you use full Databricks (on AWS or Azure), then you just need to prepend /dbfs
to your path, and file will be stored on the DBFS via so-called DBFS fuse (see docs).
On Community edition you will need to to continue to use to local disk and then use dbutils.fs.cp
to copy file from local disk to DBFS.
Update for visibility, based on comments:
To refer local files you need to append file://
to the path. So we have two cases:
- Copy generated suite from local disk to DBFS:
QUESTION
I'm a beginner to Spark and just picked up the highly recommended 'Spark - the Definitive Edition' textbook. Running the code examples and came across the first example that needed me to upload the flight-data csv files provided with the book. I've uploaded the files at the following location as shown in the screenshot:
/FileStore/tables/spark_the_definitive_guide/data/flight-data/csv
I've in the past used Azure Databricks to upload files directly onto DBFS and access them using ls
command without any issues. But now in community edition of Databricks (Runtime 9.1) I don't seem to be able to do so.
When I try to access the csv files I just uploaded into dbfs using the below command:
%sh ls /dbfs/FileStore/tables/spark_the_definitive_guide/data/flight-data/csv
I keep getting the below error:
ls: cannot access '/dbfs/FileStore/tables/spark_the_definitive_guide/data/flight-data/csv': No such file or directory
I tried finding out a solution and came across the suggested workaround of using dbutils.fs.cp()
as below:
dbutils.fs.cp('C:/Users/myusername/Documents/Spark_the_definitive_guide/Spark-The-Definitive-Guide-master/data/flight-data/csv', 'dbfs:/FileStore/tables/spark_the_definitive_guide/data/flight-data/csv')
dbutils.fs.cp('dbfs:/FileStore/tables/spark_the_definitive_guide/data/flight-data/csv/', 'C:/Users/myusername/Documents/Spark_the_definitive_guide/Spark-The-Definitive-Guide-master/data/flight-data/csv/', recurse=True)
Neither of them worked. Both threw the error: java.io.IOException: No FileSystem for scheme: C
This is really blocking me from proceeding with my learning. It would be supercool if someone can help me solve this soon. Thanks in advance.
...ANSWER
Answered 2022-Mar-25 at 15:47I believe the way you are trying to use is the wrong one, use it like this
to list the data:
display(dbutils.fs.ls("/FileStore/tables/spark_the_definitive_guide/data/flight-data/"))
to copy between databricks directories:
dbutils.fs.cp("/FileStore/jars/d004b203_4168_406a_89fc_50b7897b4aa6/databricksutils-1.3.0-py3-none-any.whl","/FileStore/tables/new.whl")
For local copy you need the premium version where you create a token and configure the databricks-cli to send from the computer to the dbfs of your databricks account:
databricks fs cp C:/folder/file.csv dbfs:/FileStore/folder
QUESTION
I have pandas
dataframe column that has string values in the format YYYY-MM-DD HH:MM:SS:mmmmmmm
, for example 2021-12-26 21:10:18.6766667
. I have verified that all values are in this format where milliseconds are in 7 digits. But the following code throws conversion error (shown below) when it tries to insert data into an Azure Databricks SQL database:
Conversion failed when converting date and/or time from character string
Question: What could be a cause of the error and how can we fix it?
Remark: After conversion the initial value (for example 2021-12-26 21:10:18.6766667
) even adds two more digits at the end to make it 2021-12-26 21:10:18.676666700
- with 9 digits milliseconds.
ANSWER
Answered 2022-Mar-07 at 01:48Keep the dates as plain strings without converting to_datetime
.
This is because DataBricks SQL is based on SQLite, and SQLite expects date strings:
In the case of SQLite, date and time types are stored as strings which are then converted back to
datetime
objects when rows are returned.
If the raw date strings still don't work, convert them to_datetime
and reformat into a safe format using dt.strftime
:
QUESTION
I built a machine learning model:
...ANSWER
Answered 2022-Feb-14 at 13:33When you store file in DBFS (/FileStore/...
), it's in your account (data plane). While notebooks, etc. are in the Databricks account (control plane). By design, you can't import non-code objects into a workspace. But Repos now has support for arbitrary files, although only one direction - you can access files in Repos from your cluster running in data plane, but you can't write into Repos (at least not now). You can:
- Either export model to your local disk & commit, then pull changes into Repos
- Use Workspace API to put file (only source code as of right now) into Repos. Here is an answer that shows how to do that.
But really, you should use MLflow that is built-in into Azure Databricks, and it will help you by logging the model file, hyper-parameters, and other information. And then you can work with this model using APIs, command tools, etc., for example, to move the model between staging & production stages using Model Registry, deploy model to AzureML, etc.
QUESTION
Is there a way of identifying individual documents in a combined pdf and split it accordingly?
The pdf I am working on contains combined scans (with OCR, mostly) of individual documents. I would like to split it back into the original documents.
These original documents are of unstandardised length and size (hence, adobe's split by "Number of pages" or "File Size" are not an option). The "Top level bookmarks" seem to correspond to something different than individual documents, so splitting on them does not provide a useful result either.
I've created an xml version of the file. I'm not too familiar with it but having looked at it, I couldn't identify a standardised tag or something similar that indicates the start of a new document.
The answer to this question requires control over the merging process (which I don't have), while the answer to this question does not work because I have no standardised keyword on which to split.
Eventually, I would like to do this split for a few hundred pdfs. An example of a pdf to be split can be found here.
...ANSWER
Answered 2022-Feb-09 at 02:24As per discussions in comments one course of action is to parse the pages information (MediaBox) via python. However I prefer a few fast cmd line commands rather than write and test a heavier solution on this lightweight netbook.
Thus I would build a script to handle a loop of files and pass to windows console the files using Xpdf command line tools
Edit Actually most Python libs tend to include the poppler version (2022-01) of pdfinfo so you should be able to call or request feedback from that variant via your libs.
Using PDFinfo on your file and limit it to first 20 pages for a quick test is
pdfinfo -f 1 -l 20 yourfile.pdf
and the response will be a text output suitable for comparison:-
QUESTION
I have the following URLs with different types of protocol:
...ANSWER
Answered 2022-Feb-08 at 10:48You can use this extended glob matching:
QUESTION
I am trying to execute the Data Generator function provided my Microsoft to test streaming data to Event Hubs.
Unfortunately, I keep on getting the error
...ANSWER
Answered 2022-Jan-08 at 13:16This code will not work on the community edition because of this line:
QUESTION
I have to move a large Odoo(v13) database almost 1.2TB(DATABASE+FILESTORE), I can't use the UI for that(keeps loading for 10h+ without a result) and I dont want to only move postgresql database so I need file store too, What should I do? extract db and copy past the filestore folder? Thanks a lot.
...ANSWER
Answered 2022-Jan-14 at 16:59You can move database and filestore separately. Move your Odoo PostgreSQL database with normal Postgres backup/restore cycle (not the Odoo UI backup/restore), this will copy the database to your new server. Then move your Odoo filestore to new location as filesystem level copy. This is enough to get the new environment running.
I assume you mean moving to a new server, not just moving to a new location on same filesystem on the same server.
QUESTION
I am running into the following error when I try to run Automated ML through the studio on a GPU compute cluster:
Error: AzureMLCompute job failed. JobConfigurationMaxSizeExceeded: The specified job configuration exceeds the max allowed size of 32768 characters. Please reduce the size of the job's command line arguments and environment settings
The attempted run is on a registered tabulated dataset in filestore and is a simple regression case. Strangely, it works just fine with the CPU compute instance I use for my other pipelines. I have been able to run it a few times using that and wanted to upgrade to a cluster only to be hit by this error. I found online that it could be a case of having the following setting: AZUREML_COMPUTE_USE_COMMON_RUNTIME:false; but I am not sure where to put this in when just running from the web studio.
...ANSWER
Answered 2021-Dec-13 at 17:58This is a known bug. I am following up with product group to see if there any update for this bug. For the workaround you mentioned, it need you to go to the node failing with the JobConfigurationMaxSizeExceeded exception and manually set AZUREML_COMPUTE_USE_COMMON_RUNTIME:false in their Environment JSON field.
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You can use FileStore like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the FileStore component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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