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Questions tagged [ozone]

20 questions
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Apache Ozone Java API: PERMISSION_DENIED for read and create keys of file-type

I configure Ozone connection as follows: OzoneConfiguration ozoneConfiguration = new OzoneConfiguration(); ozoneConfiguration.addResource(new Path("/etc/hadoop/conf/ozone-site.xml")); ozoneConfiguration.set("ozone.om.address",…
Jelly
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I fire a create table statement on hive catalog from trino, the query gets stuck

We are using trino (391) and hive metastore (2.1.1) with apache ozone without HA. (1.2.1) When I fire a create table statement on hive catalog from trino, the query gets stuck. The query neither shows progress nor ends. What would be the problem?
Hazal ÖZBEY
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Prometheus Integration with Hadoop (Ozone Cluster)

I am trying to follow the Apache documentation in order to integrate Prometheus with Apache Hadoop. One of the preliminary steps is to setup Apache Ozone cluster. However, I am finding issues in running the ozone cluster concurrently with Hadoop. It…
Sitakant Mishra
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Using Apache Ozone FileSystem API results in error

I want to upload a file to Apache Ozone. I use the FileSystem interface. The Java code is as follows java code: Configuration conf = new Configuration(); conf.addResource(new OzoneConfiguration()); …
brantniu
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Apache Ozone + AWS S3 .Net API: PutObject is creating a bucket instead of a key

I am trying to create keys in apache OZone using AWS S3 API for .NET. The key I am trying to create must be inside a bucket called "test" that I created using AWS S3 CLI. My code: static async Task WriteFile() { AmazonS3Config…
dhalfageme
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How to calculate maximum 8-h moving (rolling) averages in R?

I am using R. I know calculating moving average is a topic with several answers in this site, but I have some problems that make my question unique. I have a data frame including 8784 hourly concentrations (366 days * 24 hours) of an air pollutant…
Oscar
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chromium headless ozone build on linux x86_64 failed

I'm trying to perform an GN buld on Linux. and i get the folloging error: obj/content/browser/browser/browser_main_loop.o:../../content/browser/browser_main_loop.cc:function content::BrowserMainLoop::PreMainMessageLoopRun(): error: undefined…
Thomas Maierhofer
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Breakpoint in HardFault_Handler doesn't work

I am hitting a HardFault in code on an STM32G0B0 MCU (i.e. Cortex-M0+ processor, but I suspect the issue may be more widespread). The codebase supports a number of our custom boards, and works on a number of different Cortex-Mx processors. The…
Bob
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How to achieve data locality with Spark and Apache Ozone? Is it possible?

If we deploy both Apache Ozone and Apache Spark on kubernetes, is it possible to achieve data locality? Or will data always have to be shuffled upon read?
pavel_orekhov
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Calculate SOMO35 from netcdf file

I have this netcdf file (with ozone, lat&long variables), from my simulations processes: 3 variables (excluding dimension variables): float XLAT[west_east,south_north] (Contiguous storage) standard_name: latitude long_name:…
Beatrice
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Apache ozone adapter for hadoop client not resolving HA leader nodes when leader changes on kubernetes

I'm running Apache Ozone with high availability manager nodes on kubernetes. I was able to get the leader auto-election working, but the Hadoop client running on my Accumulo pod won't resolve the new leader. Right now I have one service that…
Adrian Corey
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How to access data from ozone using flink?

When I use Flink to access the ozone file system, I configure the relevant configuration files and place the relevant jars in the hadoop classpath. An error is reported when accessing the file system using…
lpgad
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a tool or library that can be controlled by the .NET Framework Library (.DLL) to edit an .elf file

I will use the Jlink Plus in Automated test applications for the ECU (NXP S32K312). I'm in the process of developing a .NET Framework Library (.dll) (API) that is used to control the SEGGER Jlink plus remotely from Test Automation .NET Framework. I…
Abdul
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How to get that particular line of code in MCU (NXP controller), which is executed before Reset

During my debugging of code, facing one issue regarding Reset. In debug mode, whenever I am putting breakpoint, after getting hit and clicking on Run (Command), getting Software Reset. This is not occurring, when I am not putting any breakpoint in…
Hitesh Kumar Tiwari
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How to access data from ozone using spark?

How to access data from ozone using spark-shell/spark-submit
Ranga Reddy
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