Re: Spark-SQL - Query Hanging, How To Troubleshoot

No, the driver memory was not set explicitly. So it was likely the default value, which appears to be 1GB. On Thu, Aug 17, 2023, 16:49 Mich Talebzadeh wrote: > One question, what was the driver memory before setting it to 4G? Did you > have it set at all before? > > HTH > > Mich Talebzadeh, >

Re: Spark-SQL - Query Hanging, How To Troubleshoot

One question, what was the driver memory before setting it to 4G? Did you have it set at all before? HTH Mich Talebzadeh, Solutions Architect/Engineering Lead London United Kingdom view my Linkedin profile

Re: Spark-SQL - Query Hanging, How To Troubleshoot

Hi Mich, Here are my config values from spark-defaults.conf: spark.eventLog.enabled true spark.eventLog.dir hdfs://10.0.50.1:8020/spark-logs spark.history.provider org.apache.spark.deploy.history.FsHistoryProvider spark.history.fs.logDirectory hdfs://10.0.50.1:8020/spark-logs

Re: Spark-SQL - Query Hanging, How To Troubleshoot

Hello Paatrick, As a matter of interest what parameters and their respective values do you use in spark-submit. I assume it is running in YARN mode. HTH Mich Talebzadeh, Solutions Architect/Engineering Lead London United Kingdom view my Linkedin profile

Re: Spark-SQL - Query Hanging, How To Troubleshoot

Hi Mich, Yes, that's the sequence of events. I think the big breakthrough is that (for now at least) Spark is throwing errors instead of the queries hanging. Which is a big step forward. I can at least troubleshoot issues if I know what they are. When I reflect on the issues I faced and the

Re: Spark-SQL - Query Hanging, How To Troubleshoot

Hi Patrik, glad that you have managed to sort this problem out. Hopefully it will go away for good. Still we are in the dark about how this problem is going away and coming back :( As I recall the chronology of events were as follows: 1. The Issue with hanging Spark job reported 2.

Re: Spark-SQL - Query Hanging, How To Troubleshoot

Hi Everyone, I just wanted to follow up on this issue. This issue has continued since our last correspondence. Today I had a query hang and couldn't resolve the issue. I decided to upgrade my Spark install from 3.4.0 to 3.4.1. After doing so, instead of the query hanging, I got an error message