- 11790 Views
- 1 replies
- 2 kudos
"Detected a data update", what changed?
In streaming flows I periodically get a "Detected a data update" error. This error generally seem to indicate that something has changed in the source table schema, but it's not immediately apparent what. In one case yesterday I pulled the source tab...
- 11790 Views
- 1 replies
- 2 kudos
- 2 kudos
@Kaniz Fatma​ , Thanks, that helps. I was assuming this warning indicated a schema evolution, and based on what you say it likely wasn't and I just have to turn on IgnoreChanges any time I have a stream from a table that receives updates/upserts.To b...
- 2 kudos
- 1525 Views
- 1 replies
- 2 kudos
Unable to create account in Databricks community Edition
Unable to login to the community edition as the verification email is not delivered.
- 1525 Views
- 1 replies
- 2 kudos
- 2 kudos
Hi sraj, facing same issue. Is your issue resolved. Please guide me also. That will be of great help.
- 2 kudos
- 5423 Views
- 2 replies
- 2 kudos
Mult task - restart of the failed jobs
Hi Team I am using Multitask and I am trying to restart only the failed task but seems like I have to restart complete workflow again and again , is there any way or workaround
- 5423 Views
- 2 replies
- 2 kudos
- 2 kudos
One way that works is to go to your task definition, click advanced options, and set retry policy. The task will restart per those instructions. Does that work for you?
- 2 kudos
- 10822 Views
- 3 replies
- 0 kudos
Specifying a Managed Resource Group name
Azure Databricks provisions a Managed Resource Group when you create your Workspace. Is there a way to specify the name of the Managed Resource Group and its resources during creation?The defaults created by the Workspace violate my company's standar...
- 10822 Views
- 3 replies
- 0 kudos
- 0 kudos
Hey there @Robert Biddle​ Hope you are well. Just wanted to see if you were able to find an answer to your question and would you like to mark an answer as best? It would be really helpful for the other members too.Cheers!
- 0 kudos
- 7053 Views
- 3 replies
- 3 kudos
Resolved! Dealing with updates to a delta table being used as a streaming source
Hi AllI have a requirement to perform updates on a delta table that is the source for a streaming query.I would like to be able to update the table and have the stream continue to work while also not ending up with duplicates.From my research it se...
- 7053 Views
- 3 replies
- 3 kudos
- 3 kudos
Hey @Mathew Walters​ Hope you are doing great.Just wanted to check in if you were able to resolve your issue and would you be happy to share the solution? Else please let us know if you need more help. We'd love to hear from you.Thanks!
- 3 kudos
- 8235 Views
- 4 replies
- 0 kudos
Resolved! ValueError: numpy.ndarray size changed, may indicate binary incompatibility. Expected 88 from C header, got 80 from PyObject
After the new release of numpy 1.22.0 on Dec 31st, Databricks failed with this error for my existing Databricks Notebook Version 10.1 and numpy 1.20.0Qn: Why did the earlier releases after 1.20.0 uptil 1.22.0 did not raise the same exception. ?
- 8235 Views
- 4 replies
- 0 kudos
- 0 kudos
Hi @Janani Mohan​ Hope you are doing well.Just wanted to check in if you were able to resolve your issue or do you need more help? We'd love to hear from you.Thanks!
- 0 kudos
- 6305 Views
- 9 replies
- 1 kudos
Resolved! Migrating DB from 7.3 LTS to 9.1 LTS
Hi All,I have a code in the dev and production using DB 7.3 LTS. Now, I would like to update the environment to 9.1 LTS as support is going to finish. I have gone through the documentation given in the following link. https://docs.databricks.com/rele...
- 6305 Views
- 9 replies
- 1 kudos
- 1 kudos
@Kiran Chalasani​ Hey Have you ever been able to run 7.3run time with multi_gpus before you migrated to 9.1?
- 1 kudos
- 3886 Views
- 1 replies
- 1 kudos
Databricks dashboard removing order, incorrectly sorted.
I created a table that aggregates data by year and week of year and display this in a chart over time. As part of the query, I order by the year, then week columns. In the visualization on the query (in the SQL editor), I disabled the sort, because i...
- 3886 Views
- 1 replies
- 1 kudos
- 1 kudos
Hi @Mr. E (Customer)​ , did you get a chance to check Kaniz's previous comments ? is this issue resolved or do you need any further help here ?
- 1 kudos
- 6757 Views
- 7 replies
- 10 kudos
Resolved! Delta Upsert performance on empty table
Hello all,I was just wandering, performance wise how does it compare a plain write operation with a merge operation on an EMPTY delta table. Do we really risk to get significant performance drop?The use case would be to have the same pipeline for ini...
- 6757 Views
- 7 replies
- 10 kudos
- 10 kudos
Hello @Kaniz Fatma​ ,Unfortunately I did not do any further investigation on the subject. Given that the merge on an empty table will only be done once at the creation of a table, it wouldn't really matter to be honest.
- 10 kudos
- 2465 Views
- 1 replies
- 2 kudos
Resolved! Databricks Clusters on GCP stop working "Environment directory not found" issue - waitForEnvironmentFileSystem
Starting from yesterday 17/5/2022 i start getting errors while running notebooks or jobs on clusters of Databricks GCP. The error is: SparkException: Environment directory not found at /local_disk0/.ephemeral_nfs/cluster_libraries/pythonThe job/noteb...
- 2465 Views
- 1 replies
- 2 kudos
- 2 kudos
Databricks supports detected an issue with the NFS mounts on GCP. Looks like DBR 10.X versions were affected. After several hours they fixed it and now the same clusters are back to normal.
- 2 kudos
- 8403 Views
- 3 replies
- 5 kudos
Resolved! IllegalArgumentException: requirement failed: Result for RPC Some(e100cace-3836-4461-8902-80b3744fcb6b) lost, please retry your request.
I'm using databricks connect to talk to a cluster on Azure. When doing a count on a dataframe I sometimes get this error message. Once I've gotten it once I don't seem to be able to get rid of it even if I restart my dev environment. ----------------...
- 8403 Views
- 3 replies
- 5 kudos
- 5 kudos
Hi @Johan Rex​ We checked with databricks connect team, this issue can happen when the library is too large to upload, Databricks recommends that you use dbx by Databricks Labs for local development instead of Databricks Connect. Databricks plans no ...
- 5 kudos
- 8094 Views
- 4 replies
- 6 kudos
Resolved! Rest API invocation for databricks notebook fails while invoking from ADF pipeline
In the current implementation a streaming databricks notebook needs to be started based on the configuration passed. Since the rest of databricks notebooks are being invoked by using ADF,it was decided to use ADF for starting these notebooks. Since t...
- 8094 Views
- 4 replies
- 6 kudos
- 6 kudos
@Prasanth KP​ ,clearly, the rest call is invalid. What endpoint do you call?Also do not forget to authenticate.May I ask why you use the REST API instead of the available notebook functionality of ADF?
- 6 kudos
- 7297 Views
- 2 replies
- 3 kudos
Databricks 2.6.25 JDBC driver can't create tables with `GENERATED` columns
I'm using the Databricks JDBC driver recently made available via Maven:https://mvnrepository.com/artifact/com.databricks/databricks-jdbc/2.6.25While trying to create a table with `GENERATED` columns I receive the following exception:Caused by: java.s...
- 7297 Views
- 2 replies
- 3 kudos
- 3 kudos
I was under the impression that this has been recognised as a BUG and is being handled by Databricks.What do I need to do for reporting the issue officially as a BUG?
- 3 kudos
- 15681 Views
- 4 replies
- 5 kudos
Resolved! How can I backup my Databricks instance?
We have a Databricks instance on Azure that has somewhat organically grow with dozens of users and hundreds of notebooks. How do I conveniently backup this env so in case disaster strikes the notebooks aren't lost? The data itself is backed by Azure ...
- 15681 Views
- 4 replies
- 5 kudos
- 5 kudos
@Kaniz Fatma​ All good thanks, combination of CLI + gradually migrating everything to git is a viable solution
- 5 kudos
- 8432 Views
- 2 replies
- 5 kudos
Resolved! How to add a select all option in a Databricks SQL parameter? I would like to use a query-based drop-down list.
So I want to create a select all button in a parameter. The actual parameter has around 200 options because of the size of the database. However, if I want a general summary where you can see all the options I would have to select one by one and that...
- 8432 Views
- 2 replies
- 5 kudos
- 5 kudos
You could add '--- All Stores ---' to your list. Here is the query I would use to populate the drop-down. S.O. answer hereSELECT store as store_name FROM ( Select Distinct store From Table UNION ALL SELECT ...
- 5 kudos
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