streamparse | Run Python in Apache Storm topologies | Database library
kandi X-RAY | streamparse Summary
kandi X-RAY | streamparse Summary
Run Python in Apache Storm topologies. Pythonic API, CLI tooling, and a topology DSL.
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Top functions reviewed by kandi - BETA
- Submit a topology
- Resolve storm options
- Create a nimbus client
- Get the list of worker workers
- Visualize a topology
- Write the Thrift topology to stream
- Return display class
- Return a graphviz representation of a topology class
- Run storm topology
- Returns the Storm version of the project
- Print the status of the given environment
- Monitor pids of processes
- Determine Storm version
- Seed kafka topic
- Load subparsers
- Create a custom object grouping
- Process a Tuple
- Run a topology command
- Run log files on the topology
- Unpack source files into a temporary directory
- Helper function to remove log files
- Remove artifacts from an environment
- List topologies for a given environment
- Query Storm UI for slot usage stats
- Add subparsers to subparsers
- Creates a new project
- Displays the worker uptime of a given environment
streamparse Key Features
streamparse Examples and Code Snippets
Community Discussions
Trending Discussions on streamparse
QUESTION
I am parsing embedded KLV data in an MPEG-TS video stream sent to a UDP port from a UAV to use in a real time map. I am getting 25 packets per second (tied to the video frame rate) at the moment and can save all of this data but I want to only save the data once a second. Every 40ms is too much. I have attempted using threading to run 2 functions. One to get the data and write to a global variable and one to read that variable every second and print/save.
...ANSWER
Answered 2021-May-29 at 17:54I can't test it but I would use metadata = None
and if metadata is not None:
to control if there is new data or not.
QUESTION
I have this JSON String that comes from a Kafka topic
...ANSWER
Answered 2020-Jul-29 at 10:21This seems to be an open issue on github introduced in 1.3.0. You could try downgrading to 1.2.6 or use another json lib like circe
QUESTION
I've got a Lambda function that is triggered by a write to an S3 bucket. It reads the JSON file that is written to the bucket, parses out the individual records, and writes them to a database.
Problem is; I'm not sure what I'm doing wrong, because the stream ends and the Lambda exits before all the data is written.
I'm in "flowing mode" on my readable stream, and I'm pausing/resuming during the db write. According to the docs, this should do the trick, but it's not working as expected.
Lambda handler:
...ANSWER
Answered 2019-Aug-08 at 21:18Got it working by simply swapping-out stream-json with JSONStream, which is a more widely-used package anyhow. Works like a charm now!
QUESTION
I wanna make my own Java streams to easily parse some strings. But I can't convert an object array to a T-array.
What I have already tried:
...ANSWER
Answered 2019-Apr-24 at 12:32ArrayList.toArray()
always returns exactly Object[]
, never some subtype.
For this to work, you need to pass in a T[]
or IntFunction
as a parameter (either to the constructor of StreamParser
, or to the method), and use this in the toArray()
call:
QUESTION
I've implemented a simple builder pattern - code below. The code executes and runs but every 'with..' method in the builder class displays a warning with 'Return value of the method is never used'
...ANSWER
Answered 2018-Jan-09 at 12:28Better design would be if StreamParser doesn't know anything about its builder. I mean, constructor StreamParser doesn't take builder as parameter. Better usage is:
QUESTION
This node script hangs after the last line with records written: 442
.
This means the the finish
event has fired, but I don't know how to end the whole script.
ANSWER
Answered 2018-Mar-03 at 10:42According to the documentation, the driver should be closed, which can be done like this:
QUESTION
I am using h2o package for modelling in R. For this I want to read a dataset which has a size of about 1.5 GB using h2o.importfile(). I start the h2o server using the lines
...ANSWER
Answered 2017-Jun-18 at 21:20You are running with 32-bit java, which is limiting the memory that you are able to start H2O with. One clue is that it won't start with a higher max_mem_size. Another clue is that it says "Client VM".
You want 64-bit java instead. The 64-bit version will say "Server VM". You can download the Java 8 SE JDK from here:
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
Based on what you've described, I recommend setting max_mem_size = '6g' or more, which will work fine on your system once you have the right version of Java installed.
QUESTION
in my php code I get this error
...ANSWER
Answered 2017-Mar-07 at 15:18The problem is that you are attempting to access the $header
element of the $browserHeader
array, without ever defining the $browserHeader
array:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install streamparse
You can use streamparse like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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