- 1972 Views
- 1 replies
- 0 kudos
Azure Databricks with Storage Account as data layer and DBFS understanding
What is the difference between ADLS mounted ON DataBricks and dbfs does the Mount of ADLS on databricks make gives any performance benefit , is the mounted ADLS still behave as object storage or it become simple storage
- 1972 Views
- 1 replies
- 0 kudos
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DBFS is just an abstraction on cloud storage By default when you create a workspace, you get an instance of DBFS - so-called DBFS Root. Plus you can mount additional storage accounts under the /mnt folder. Data written to mount point paths (/mnt) is...
- 0 kudos
- 6721 Views
- 1 replies
- 0 kudos
How to conver Dataframe into JSON on Databricks?
Can I convert my jdbc Dataframe into JSON ? Because when I tried it, it got an error. I'm using a script as Pandas DataFrame function df.to_json()
- 6721 Views
- 1 replies
- 0 kudos
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df.toJSON()
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- 7219 Views
- 3 replies
- 1 kudos
- 7219 Views
- 3 replies
- 1 kudos
- 1 kudos
The answer varies depending on the cloud provider (as of June 2021) . In GCP, since the architecture is based on GKE , there are additional ip requirements. For more details see
- 1 kudos
- 1335 Views
- 0 replies
- 0 kudos
Escaped quotes mess up table records
When table content is dumped from the RDBMS (e.g. Oracle), some column values may contain escaped double quotes (\") in the column values, which may cause the values from multiple columns to be concatenated into one value and result in corrupted reco...
- 1335 Views
- 0 replies
- 0 kudos
- 50481 Views
- 6 replies
- 0 kudos
Resolved! Job fails with "The spark driver has stopped unexpectedly and is restarting. Your notebook will be automatically reattached."
No other output is available, not even output from cells that did run successfully. Also, I'm unable to connect to spark ui or view the logs. It makes an attempt to load each of them, but after some time an error message appears saying it's unable ...
- 50481 Views
- 6 replies
- 0 kudos
- 0 kudos
most of the time it's out of memory on driver node. check over all the drive log, data node log in Spark UI. And check if u r collecting huge data to drive node, e.g. collect()
- 0 kudos
- 1416 Views
- 1 replies
- 0 kudos
Delta - open source?
Delta is open source but certain features such as OPTIMIZE, ZORDER are only available on managed DBR. So how open sourced is it really?
- 1416 Views
- 1 replies
- 0 kudos
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Some of the feature is exclusively added by datbricks on top of delta not by comunity so comapny has right whether it wants to open source or not
- 0 kudos
- 6360 Views
- 2 replies
- 1 kudos
- 6360 Views
- 2 replies
- 1 kudos
- 1 kudos
Bucketing is physical partition of the the table but the Zordering is arrangement of records in a file , in most optimal manner
- 1 kudos
- 1893 Views
- 1 replies
- 0 kudos
- 1893 Views
- 1 replies
- 0 kudos
- 0 kudos
There isn’t a problem purging old data. When using auto loader it’ll take into account new data being added.
- 0 kudos
- 1798 Views
- 1 replies
- 2 kudos
What is the best practice for generating jobs in an automated fashion?
What is the best practice for generating jobs in an automated fashion?
- 1798 Views
- 1 replies
- 2 kudos
- 2 kudos
There are several approaches here. You can write an automation script that programmatically accesses Databricks API’s to generate configured jobs. You can also utilize the Databricks Terraform provider. The benefit of the latter approach is that Terr...
- 2 kudos
- 1056 Views
- 1 replies
- 0 kudos
How can I reduce the risk of data exfiltration while using Databricks
How can I reduce the risk of data exfiltration while using Databricks
- 1056 Views
- 1 replies
- 0 kudos
- 0 kudos
Databricks enterprise security and admin features allow customers to deploy Databricks using their own managed VPC/ VNET. This enables them to have greater flexibility and control over the configuration of their deployment architectureFor Azure follo...
- 0 kudos
- 1766 Views
- 0 replies
- 0 kudos
- 1766 Views
- 0 replies
- 0 kudos
- 1836 Views
- 0 replies
- 0 kudos
Newline characters mess up the table records
When creating tables from text files containing newline characters in the middle of the lines, the table records will null column values because the newline characters in the middle of the lines break the lines into two different records and fill up ...
- 1836 Views
- 0 replies
- 0 kudos
- 1309 Views
- 0 replies
- 0 kudos
SQL notebooks not seeing the latest table schema / content.
When we run the sql statements "DROP TABLE .... CREATE TABLE" for the same table in multiple places (different notebooks, jobs, ...) some notebooks may not see the most recent schema / content.
- 1309 Views
- 0 replies
- 0 kudos
- 1552 Views
- 1 replies
- 0 kudos
How do you deploy Container Services to a Cluster Pool?
To speed up cluster provisioning in the case of use Container Services, how do you pre-install it to a pool.
- 1552 Views
- 1 replies
- 0 kudos
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Using Pools APIs.
- 0 kudos
- 2074 Views
- 1 replies
- 0 kudos
how often should I vacuum my Delta table?
I would like to know how often do I need to vacuum my delta table to clean old files?
- 2074 Views
- 1 replies
- 0 kudos
- 0 kudos
The requirements for Vacuum will depend on your application needs and the rate of arrival of new data. Vacuuming removes old versions of data.If you need to be able to query earlier versions of data many months after the original ingest time, then i...
- 0 kudos
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