Visor | time Apache log monitor using Kafka & Spark Streaming
kandi X-RAY | Visor Summary
kandi X-RAY | Visor Summary
Visor is designed to be highly modular. Easly to be configured, and extended if you want.
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Top functions reviewed by kandi - BETA
- Analyze the log file
- Called when data is received
- Log error message
- Print the error report
- Handle access log messages
- Start the event loop
- Generate info lines
- Generate random error lines
- Generate random lines
- Heartbeat lines
- Start the checkpoint
- Send an error message
- Function to create a SparkContext
- Generate a summary report
- Start monitoring
- Generate heartbeat lines
- Start the server
- Initialize the producer
Visor Key Features
Visor Examples and Code Snippets
Community Discussions
Trending Discussions on Visor
QUESTION
I am trying to write a program that will create a link to the API. To do this, I use bs4
, with which I search for the div I need, but I get an error due to the program not working correctly. I want to find only this coin name
that are in the coin list
. How I can fix it? Please, give me a hand.
My code:
...ANSWER
Answered 2022-Jan-02 at 00:11There are two issues with your code:
- This:
if check_name == coins_list:
will always return false, sincecheck_name
is a string andcoins_list
is a list. You wantif check_name in coins_list:
. baseurl
isn't defined in the code snippet. Change it tourl
.
Perform both these changes, and you should have a nonempty output in your text file. The URLs in this file appear to be well-formed.
QUESTION
I am very new to using Javascript + CSS + React, and badly stuck. Appreciate any help!! Described below is a stripped down version, to highlight the key request
Description of my react component:
A dot that vertically moves from point A to point B infinitely on screen. Point A and Point B are randomly assigned dots on my screen plane. The two points have same x coordinates but different y coordinates to enable the vertical motion. So each journey from A to B has three random parameters: x, y1, and y2. Once it reaches B it restarts at A.
Desired state:
Ask 1 - Once the dot reaches finishing point B, I hope to be able to re-randomise x, y1, and y2 for my component.
Ask 2 - I need to have several instances of this component (say 20), each of which has their own random thing going on independently.
My approach so far:
Step 1: In the component's css file, I write the animation code with --x
, --y1
, and --y2
as variables in the :root
class:
ANSWER
Answered 2021-Sep-10 at 21:33Lets start of by stating that React (out of the box) doesn't have a straightforward way to add animations that take variables from the react component.
If you're plan on doing anything complexer that this, I urge you to have a look at the libraries that aid with that. Some options are discussed here
The main problem you seem to face is how to apply an animation per dot.
That doesn't interfere with the logic of the other dots.
In order to do that we'll create a separate animation per Spark and feed a random x, y1 and y2 created in the component.
The second problem you seem to face is how to assign new random values when the animation is done, react provides hooks for that, we can use onAnimationIteration
to trigger some code to handle that.
In this codepen you can find the entire piece working together.
QUESTION
I have followed the instructions for Azure Kubernetes deploying in the ignite 2.9 documentation https://ignite.apache.org/docs/latest/installation/kubernetes/azure-deployment. But I can't use the ignitevisorcmd.sh
If I run it I can't select the config file using the open command as it loads the config from the url https://raw.githubusercontent.com/apache/ignite/master/modules/kubernetes/config/example-kube-persistence-and-wal.xml. So I placed the config file to some location on the ignite cluster (/opt/ignite/apache-ignite/custom-config/cm-ignite.xml). I connect to one of the nodes and run the ingitevisorcmd on it. I select the config file for the open command but have the error message:
...ANSWER
Answered 2020-Dec-10 at 19:11It's not possible to run the ignitevisorcmd from the same pod in the Kubernetes that runs the ignite service node, because the TcpDiscoveryKubernetesIpFinder can't be used with different discovery ports (From the javadocs: Make sure that all Ignite pods occupy a similar discovery port, otherwise they will not be able to discover each other using this IP finder.). The discovery port is already used by the ignite server, so the visor can only be run as a separate pod.
Also the library ignite-kubernetes should be installed in order to use ignite visor:
QUESTION
I am trying to create multiple csv from a given source (i.e array).
It works with sample data but it does not work with the actual data.
here is the code :-
...ANSWER
Answered 2020-Dec-02 at 08:46There are a few problems with the script, I've changed the way it loops over the data and now it loops over the $arraysource
using a foreach
loop. Then for each loop it outputs that set of data to the CSV file. I've also changed the file name to include the corresponding value from $keycompare
so the file name is more relevant. You can change the values in $headers
to be the actual names of the fields, these are just to show how to do it...
QUESTION
I've been stuck on trying to make this test pass for awhile. I want it to return an array of 3 objects of mockExpectedResult
Step 1: Reduce scheduled operations array (omit items that don't have path). This should return array of strings of InventoryItemPath
Step 2: Reduce over InventoryItemPath array (freeRewardsInventory), make async call to service (getItem is a mock of this async GET request) which returns Promise.
Step 3: Reducer over freeRewardsRaw Promises, format into mockExpectedResult
Step 4: Return output (Array of mockExpectedResults)
I think my main issue is that I'm not awaiting all of these promises (missing one await maybe?)
Thanks for helping.
...ANSWER
Answered 2020-Nov-19 at 19:21I have tried to simplify your code and the issue in the reduce
. I have replace the reduce
s with filter
s and map
s. Please check this out and let me know if this would help.
QUESTION
OS: Ubuntu 18.04
Apache Ignite: 2.8.1
Other info: Flask Application - for API endpoints pyignite - as thin client for Apache Ignite
Data Loaded:
5 tables:
A: 10 million records
B: 37.5 million records
C: 10 million records
D: 25.3 million records
E: 5.5 million records
Total taking up 29GB of space in Ignite Persistence.
I'm performing two simple SQL queries:
Query 1:
ANSWER
Answered 2020-Oct-21 at 19:56It's quite possible that you are running out of heap. With that query, especially if you don't have correct indexes, you're going to use a lot of heap, and when you run out, Java will virtually freeze trying to reclaim more memory in the loop.
What indexes do you have? Also, what does "order by column1" mean to you if you're selecting sum(column1)?
Can you show logs from the Ignite node(s)? I would especially look for "JVM pause" messages.
QUESTION
My model doesn´t learn.. It is supposed to do a softmax calculation in the end. I want as a result a classification (quit or no-quit). The model should predict if the customer will quit. I am giving the quit-column as label and have 196 input-features.
My visor says there is no learning at all. But then I am not certain, how the visor will get information, if my model learns. I am very new to javascript and would appreciate any help.
...ANSWER
Answered 2020-May-19 at 14:54The number of units for the last layer is the number of categories. There are two categories quit
and no-quit
. Additionnaly your labels should be one-hot encoded. More general answers on why a model is not learning can be found here.
QUESTION
The challenge is to do a simple mini calculator with one input, 4 buttons, and an output. The input is to add a number that will appear in the output immediately, next I will choose one of the four buttons (+,-,*,/)to do the math and next write again another number on the input. In the output will appear the result of that operation, further will continuing to do maths by clicking again in the buttons and add another number, and actualizing always the result.
I have done this before with onclick event in each button and using a prompt to write the numbers. now I want to use an input to write the numbers and using one event listener to all the buttons. Can anybody help me with the solution and explain to me each step?
This is my code so far :
...ANSWER
Answered 2020-Apr-25 at 14:05Term you are looking for is called event delegation.
QUESTION
This is the scenario
- I started the Server node.
- I started Client Ignite node which will be done via a Java application say "X".
- In visor I could see two nodes one is client and one is server when given command "node".
- I killed the Java app "X" by doing "kill -9 pid".
- Now when I go to visor terminal and enter "node" it still shows "client" and "server" nodes in the list. when asked about client node details it throws error obviously.
- Now, when I restart the Java app "X", in that Java code again there will be an attempt to connect to Ignite server. But instead of connecting it is printing these logs so many times
"org.apache.ignite.logger.java.JavaLogger" "info" "INFO" "" "284" "Accepted incoming communication connection [locAddr=/0:0:0:0:0:0:0:1:47101, rmtAddr=/0:0:0:0:0:0:0:1:62856]" "" "" "" "" "" "" "1587013526124" "" "" "" "" "" "" "ROOT" "{""service"":"""",""logger_name"":""org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi""}"
- It's not connecting and continuing to execute the code in Java. So the application is not resuming. And I found this is Ignite server log
[10:37:57] Possible failure suppressed accordingly to a configured handler [hnd=StopNodeOrHaltFailureHandler [tryStop=false, timeout=0, super=AbstractFailureHandler [ignoredFailureTypes=UnmodifiableSet [SYSTEM_WORKER_BLOCKED, SYSTEM_CRITICAL_OPERATION_TIMEOUT]]], failureCtx=FailureContext [type=SYSTEM_CRITICAL_OPERATION_TIMEOUT, err=class o.a.i.IgniteException: Checkpoint read lock acquisition has been timed out.]] [10:37:57,739][SEVERE][exchange-worker-#46][GridCacheDatabaseSharedManager] Checkpoint read lock acquisition has been timed out. class org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager$CheckpointReadLockTimeoutException: Checkpoint read lock acquisition has been timed out. at org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager.failCheckpointReadLock(GridCacheDatabaseSharedManager.java:1708) at org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager.checkpointReadLock(GridCacheDatabaseSharedManager.java:1640) at org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.initTopologies(GridDhtPartitionsExchangeFuture.java:1078) at org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.init(GridDhtPartitionsExchangeFuture.java:944) at org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$ExchangeWorker.body0(GridCachePartitionExchangeManager.java:3258) at org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$ExchangeWorker.body(GridCachePartitionExchangeManager.java:3104) at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:119) at java.lang.Thread.run(Thread.java:748) [10:39:21,547][SEVERE][tcp-disco-msg-worker-[693d29cd 0:0:0:0:0:0:0:1%lo0:47501 crd]-#2][G] Blocked system-critical thread has been detected. This can lead to cluster-wide undefined behaviour [workerName=db-checkpoint-thread, threadName=db-checkpoint-thread-#59, blockedFor=209s]
I am assuming here that since I am force shutting down the Java application which starts Ignite Client node, it's possible that there would be some topology imbalance that might happen.
Can someone please suggest, if at all I force kill the Client application, is there a correct way to restart the Client application such that it'll continue re-establishing the connection with Ignite server and continue working?
...ANSWER
Answered 2020-Apr-16 at 13:13This scenario is possible when you have very long timeouts.
You should not expect node to be dropped, and a new one to join, before all timeout runs off, such as, network timeout, socket write timeout, failure detection timeout. That, unless you do graceful shutdown.
QUESTION
I am trying to load and delete images when loading an image I create a status bar to tell me the name of the file and if I delete it, the bar is cleaned, I get this error and I do not know what it may be, luckily they load me the images but in the console, it throws me that error and it does not show me the status bar (I leave part of the code), thanks...
Error
Traceback (most recent call last): File "lol.py", line 220, in self.animacionMostar.finished.connect(lambda: (self.statusBar.showMessage(nombre))) AttributeError: 'VentanaVISUALIZAR' object has no attribute 'statusBar'
Code:
...ANSWER
Answered 2020-Apr-11 at 07:07VentanaVISUALIZAR
is a subclass of QDialog
which does not have a status bar by default. You can add one by adding something like this to VentanaVISUALIZAR.__init__
:
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Install Visor
You can use Visor 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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