EATS | pytroch implementation of the EETS : End-to-End Adversarial | Machine Learning library

 by   yanggeng1995 Python Version: Current License: No License

kandi X-RAY | EATS Summary

kandi X-RAY | EATS Summary

EATS is a Python library typically used in Artificial Intelligence, Machine Learning, Deep Learning, Pytorch applications. EATS has no bugs, it has no vulnerabilities and it has low support. However EATS build file is not available. You can download it from GitHub.

A pytorch implementation of the EATS: End-to-End Adversarial Text-to-Speech (
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            kandi-support Support

              EATS has a low active ecosystem.
              It has 103 star(s) with 14 fork(s). There are 14 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 2 open issues and 2 have been closed. On average issues are closed in 2 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of EATS is current.

            kandi-Quality Quality

              EATS has no bugs reported.

            kandi-Security Security

              EATS has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              EATS does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
              OutlinedDot
              Without a license, all rights are reserved, and you cannot use the library in your applications.

            kandi-Reuse Reuse

              EATS releases are not available. You will need to build from source code and install.
              EATS has no build file. You will be need to create the build yourself to build the component from source.

            Top functions reviewed by kandi - BETA

            kandi has reviewed EATS and discovered the below as its top functions. This is intended to give you an instant insight into EATS implemented functionality, and help decide if they suit your requirements.
            • Train the model
            • Attempts to restore a checkpoint from a checkpoint
            • Update learning rate
            • Get the learning rate based on the current learning rate
            • Preprocess training data
            • Return a list of all files in the given directory
            • Process audio files
            • Write metadata to out_dir
            • Prepare the audio data
            • Compute the melspectrogram
            • Convert audio file to melspectrogram
            • Convert a linear system to mel spectrum
            • Calculate the audio synthesis
            • Decode the inverse mu - law of a signal
            • Compute the mu - law of a signal
            • Add audio to the log file
            • Plot a waveform to a numpy array
            • Save the figure to a numpy array
            • Applies a moving average
            • Update the shadow with the given value
            • Compute the sc_loss between predictions and targets
            • Compute the STFT
            • Forward computation
            • Perform preprocessing
            • Compute the spectrogram
            • Register model to ema
            Get all kandi verified functions for this library.

            EATS Key Features

            No Key Features are available at this moment for EATS.

            EATS Examples and Code Snippets

            Breaks up and eats up .
            javadot img1Lines of Code : 10dot img1no licencesLicense : No License
            copy iconCopy
            public void eat() {
            		System.out.println("Philosopher " + index + ": start eating");
            		if (pickUp()) {
            			chew();
            			putDown();
            			System.out.println("Philosopher " + index + ": done eating");
            		} else {
            			System.out.println("Philosopher " + index +  
            Eats this index .
            javadot img2Lines of Code : 7dot img2no licencesLicense : No License
            copy iconCopy
            public void eat() {
            		System.out.println("Philosopher " + index + ": start eating");
            		pickUp();
            		chew();
            		putDown();
            		System.out.println("Philosopher " + index + ": done eating");
            	}  
            Eats the current element .
            javadot img3Lines of Code : 6dot img3License : Non-SPDX
            copy iconCopy
            public void eat() throws InterruptedException {
                requests.put(() -> {
                  logger.info("{} is eating!",name());
                  logger.info("{} has finished eating!",name());
                });
              }  

            Community Discussions

            QUESTION

            I want to solve the javascript OOP problems, but my code isn't complete
            Asked 2021-Jun-13 at 13:15

            In this challenge, using javaScript you will create 3 classes

            1. Super class called Animal.
            2. Dog and Cat class which both extends Animal class (a dog is an animal and a cat is an animal)
            3. Dog and Cat class should only have 1 function, which is their own implementation of the sound() function. This is polymorphism
            4. a Home class. But we’ll talk about that later
            ...

            ANSWER

            Answered 2021-Jun-05 at 13:48

            Since 2015 there should be no more need to go through the pain of assigning prototype properties like that, and establish inheritance between two classes with such assignments.

            I would suggest rewriting your code completely, and using the class syntax, where you don't need to explicitly do this inheritance fiddling with the prototype property:

            Source https://stackoverflow.com/questions/67850125

            QUESTION

            Non-overridden subclass method with same name calling
            Asked 2021-Jun-06 at 16:13
            class Animal{
                void eat(Animal animal){
                    System.out.println("animal eats animal");
                }
            }
            
            public class Dog extends Animal{
                void eat(Dog dog){
                    System.out.println("dog eats dog");
                }
            
                public static void main(String[] args) {
                    Animal a = new Dog();
                    Dog b = new Dog();
                    a.eat(b);
                    b.eat(b);
                }
            }
            
            ...

            ANSWER

            Answered 2021-Jun-06 at 16:13

            It's based on the concept of Inheritance and Polymorphism

            Overriding happens when the sub-class has the same signature methods as that of the superclass. In your code, in the below subclass *method, the parameter being passed is a Dog type object and in the superclass i.e Animal, the parameter passed is an Animal type object.

            Source https://stackoverflow.com/questions/67860406

            QUESTION

            Sending commands to screen: limits of "stuff", quirks w/ newlines
            Asked 2021-Jun-04 at 06:45

            Trying to pass a long command string to Screen via the "stuff" option. Have done this successfully in many scripts when the string is short and it exists in the in bash, like so:

            ...

            ANSWER

            Answered 2021-Jun-03 at 18:42

            As you already found out $(cmd) removes trailing newlines from cmd's output and there is no way to stop this behavior.

            However, you can use append the trailing newline after the $().

            Source https://stackoverflow.com/questions/67826311

            QUESTION

            Different vertical alignment in VStack
            Asked 2021-May-28 at 11:15

            My goal is make Text("Headline") at the same level of Image top and Divider() at same level of Image bottom without loosing space for content between them. I tried default alignment of VStack and HStack, .frame and .alignmentGuide but nothing didn't help me. I'm avoiding use Spacer() in VStack because it eats space and content in Text("Add info") is missing.

            ...

            ANSWER

            Answered 2021-May-28 at 11:15

            Tested. Works perfectly:

            Source https://stackoverflow.com/questions/67734635

            QUESTION

            Using derived values to filter gremlin traversals
            Asked 2021-May-25 at 18:35

            Good morning!

            I have the following data model where actions follow a journey that can be uniquely identified by the connecting edges having a label that matches a Journey ID. See below for a sample.

            Data Model

            What I'm trying to achieve is that I can group each unique journey together and give them a count. For example, in the data above, if Jeremy woke up in the morning and ate eggs, and then in the evening ate toast, I would want to see:

            Jeremy/Morn->Eats->Eggs->JourneyEnd, count: 1

            Jeremy/Eve->Eats->Toast->JourneyEnd, count: 1

            Instead I (understandably) get:

            Jeremy/Morn->Eats->Eggs->JourneyEnd

            Jeremy/Eve->Eats->Toast->JourneyEnd

            Jeremy/Morn->Eats->Toast->JourneyEnd

            Jeremy/Eve->Eats->Eggs->JourneyEnd

            I've tried filtering using repeat, and statements like:

            ...

            ANSWER

            Answered 2021-May-25 at 18:35

            You can use the path, from and where...by steps to achieve what you need.

            Source https://stackoverflow.com/questions/67677855

            QUESTION

            Codename One sound Media.play() memory leak?
            Asked 2021-May-23 at 01:40

            My app uses some short sounds for user feedback. I use the following code:

            ...

            ANSWER

            Answered 2021-May-23 at 01:40

            We generally recommend keeping the Media instance for this sort of use case. But if you can't just make sure to call cleanup when you're done:

            Source https://stackoverflow.com/questions/67650096

            QUESTION

            how can I remove point numbers: '(i)', '(ii)', '(iii)' in answers with regex from pandas dataframe?
            Asked 2021-May-22 at 17:30

            Suppose, I have a pandas dataframe consisting many rows for product name and columns describing their respective features. And they add some numbering system like 1., 2.,3.,... or a),b),c)....or (i),(ii),(iii),... etc. Now I want to remove them in data frame.

            ...

            ANSWER

            Answered 2021-May-22 at 11:26

            QUESTION

            Ansible search a list and if a match is found append value as a new value to the dict
            Asked 2021-May-05 at 06:53

            I've a dictionary that I'm gathering through an API that looks like below,

            ...

            ANSWER

            Answered 2021-May-05 at 06:53

            Create a dictionary of the hostnames, e.g.

            Source https://stackoverflow.com/questions/67366394

            QUESTION

            Why does it instantly have the player lose
            Asked 2021-May-04 at 12:54
            var playerX;
            var playerY;
            var playerSize = 15;
            var playerSpeed = (playerSize / Math.pow(playerSize, 1.44)) * 10;
            var Newcelltimer = 0;
            var cell = []
            var cellEaten = 0;
            var celliseaten = false;
            var eaten = false;
            var zoom = 1;
            var n = 0;
            var Xgrid = 600;
            var Ygrid = 600;
            var cpu = [];
            var x = 0;
            var y = 10;
            var z = 100;
            var OffSetX = [];
            var OffSetY = [];
            var lost = false;
            var CPUteam = 2;
            
            function setup() {
              smooth();
              frameRate(999)
              createCanvas(600, 450);
              playerX = 500;
              playerY = 100;
            
            }
            
            function draw() {
              var TotalBlue = 0;
              var TotalRed = 0;
              var Total = 0;
              var cellDist = [];
              if (lost) {
                noLoop()
                fill(255)
                textSize(40)
                background(0)
                text("You lost", width / 2.5, height / 2)
                textSize(20)
                text("Final Board: ", 350, 60)
              } else {
                background(220);
                push();
            
                var Newzoom = 10 / playerSize
                let newnewZoom = 1.3 * lerp(0.9, 10 / playerSize, 0.5)
                Newzoom = lerp(zoom, Newzoom, 0.3)
                translate(Xgrid / 2, Ygrid / 2 - 50);
                scale(newnewZoom)
                translate(-playerX, -playerY);
            
            
                playerSpeed = round((playerSize / Math.pow(playerSize, 1.44)) * 10000) / 1000
                Newcelltimer++;
            
                if (Newcelltimer % 40 == 0) {
                  cell.push(ceil(random(0 - Xgrid, 2 * Xgrid)),
                    ceil(random(0 - Ygrid, 2 * Ygrid)))
                }
            
                if (Newcelltimer % 200 == 0) {
                  cpu.push(ceil(random(-Xgrid, 2 * Xgrid)), ceil(random(-Ygrid, 2 * Ygrid)), 20, CPUteam)
                  OffSetX.push(ceil(random(0, 1000000)))
                  OffSetY.push(ceil(random(1000000, 2000000)))
                  CPUteam++;
                }
                if (Newcelltimer == 1 || Newcelltimer == 2) {
                  cpu.push(ceil(random(-Xgrid, 2 * Xgrid)), ceil(random(-Ygrid, 2 * Ygrid)), 20, CPUteam)
                  OffSetX.push(ceil(random(0, 1000000)))
                  OffSetY.push(ceil(random(1000000, 2000000)))
                  CPUteam++;
                }
                //Checks if player Ate cell
                for (var i = 0; i < cell.length / 2; i++) {
                  let d = int(dist(cell[i * 2], cell[i * 2 + 1], playerX, playerY))
                  if (d <= playerSize / 2) {
                    playerSize += 5;
                    cell.splice(i * 2, 2)
                    celliseaten = true;
                  }
                }
                if (keyIsDown(UP_ARROW) && playerY > 0 - Ygrid) {
                  playerY -= playerSpeed;
                }
                if (keyIsDown(RIGHT_ARROW) && playerX < 2 * Xgrid) {
                  playerX += playerSpeed;
                }
                if (keyIsDown(DOWN_ARROW) && playerY < 2 * Ygrid) {
                  playerY += playerSpeed;
                }
                if (keyIsDown(LEFT_ARROW) && playerX > 0 - Xgrid) {
                  playerX -= playerSpeed;
                }
            
                if (Newcelltimer % 200 == 0) {
                  cell.splice(0, 2)
                }
                for (var j = 0; j < (cpu.length / 4); j++) {
                  var cpuDist = [];
                  //Checks if AI ate cell
                  for (var n = 0; n < cell.length / 2; n++) {
            
                    let dis = int(dist(cell[n * 2], cell[n * 2 + 1], cpu[j * 4], cpu[j * 4 + 1]))
                    if (dis <= cpu[j * 4 + 2] / 2) {
                      cpu[j * 4 + 2] += 5;
                      cell.splice(n * 2, 2)
                    } else {
                      cellDist.push(dis)
                    }
                  }
                  var ClosestCell = min(cellDist);
                  var ClosestCellpos;
                  for (var r = 0; r < cell.length / 2; r++) {
                    if (ClosestCell == dist(cpu[j * 4], cpu[j * 4 + 1], cell[r * 2], cell[r * 2 + 1])) {
                      ClosestCellpos = r;
                      break;
                    }
                  }
            
                  let amp = round((cpu[j * 4 + 2] / Math.pow(cpu[j * 4 + 2], 1.44)) * 10000) / 1000;
                  if (r < 100 && dist(playerX, playerY, cpu[j * 4], cpu[j * 4 + 1]) > 100 || cpu[j * 4 + 2] > playerSize) {
                    var disXpos = cell[r * 2] - cpu[j * 4];
                    var disYpos = cell[r * 2 + 1] - cpu[j * 4 + 1];
            
                    disXpos = map(disXpos, -100, 100, -1, 1);
                    disYpos = map(disYpos, -100, 100, -1, 1);
                    cpu[j * 4] += disXpos * amp;
                    cpu[j * 4 + 1] += disYpos * amp;
                  } else {
                    x += 0.003;
                    y += 0.003;
                    let offsetX = map(noise(x + OffSetX[j]), 0, 1, -1, 1) * amp;
                    let offsetY = map(noise(y + OffSetY[j]), 0, 1, -1, 1) * amp;
                    cpu[j * 4] += offsetX;
                    cpu[j * 4 + 1] += offsetY;
                  }
                  //Draws the AI's
                  if (cpu[j * 4 + 3] % 2 == 0) {
                    fill(0, 0, 255)
                    circle(cpu[j * 4], cpu[j * 4 + 1], cpu[j * 4 + 2]);
                  } else {
                    fill(255, 0, 0)
                    circle(cpu[j * 4], cpu[j * 4 + 1], cpu[j * 4 + 2])
                  }
                  //Checks if player ate AI or vice versa
                  let distance = int(dist(cpu[j * 4], cpu[j * 4 + 1], playerX, playerY))
                  if (distance <= playerSize / 2 && cpu[j * 4 + 2] < playerSize) {
                    playerSize += floor(cpu[j * 4 + 2]);
                    cpu.splice(j * 4, 4)
                  }
                  if (distance <= cpu[j * 4 + 2] && cpu[j * 4 + 2] > playerSize) {
                    lost = true;
                  }
            
                  //Checks if one AI eats another
                  for (var m = 0; m < cpu.length / 4; m++) {
                    if (m != j) {
                      if (cpu[j * 4 + 3] % 2 != cpu[m * 4 + 3] % 2) {
                        distant = dist(cpu[m * 4], cpu[m * 4 + 1], cpu[j * 4], cpu[j * 4 + 1])
                        let higher = (cpu[m * 4 + 2] > cpu[j * 4 + 2]) ? cpu[m * 4 + 2] : cpu[j * 4 + 2]
            
                        if (higher > distant) {
                          if (cpu[m * 4 + 2] > cpu[j * 4 + 2]) {
                            cpu[m * 4 + 2] += cpu[j * 4 + 2]
                            cpu.splice(j * 4, 4)
                          } else {
                            cpu[j * 4 + 2] += cpu[m * 4 + 2]
                            cpu.splice(m * 4, 4)
                          } //Else
                        } // If
                      } //If
                    } //If
                  } //If
                } //Nested For
              } // For
              //Draws all the "cells"
              for (var k = 0; k < cell.length / 2; k++) {
            
                fill(0, 255, 255, 100)
                circle(cell[k * 2], cell[k * 2 + 1], 7)
              }
              //Nothing important, drawing the smiley face character
              fill(255, 255, 0)
              circle(playerX, playerY, playerSize)
              fill(0)
              ellipse(playerX - playerSize / 5, playerY - playerSize / 10, playerSize / 5, playerSize / 3)
              ellipse(playerX + playerSize / 5, playerY - playerSize / 10, playerSize / 5, playerSize / 3)
              arc(playerX, playerY + playerSize / 5, playerSize / 2, playerSize / 5, 0, 3.2, PIE)
              fill(255, 255, 0)
              noStroke()
              arc(playerX, (playerY + playerSize / 5) - 1, playerSize / 2, playerSize / 5, 0, 3.2, PIE)
              stroke(0)
              //Limits the max player size
              if (playerSize >= 3 * Xgrid | playerSize >= 3 * Ygrid) {
                if (Xgrid > Ygrid) {
                  playerSize = 3 * Ygrid;
                } else {
                  playerSize = 3 * Xgrid;
                }
              }
            }
            
            VS
            
            
            var playerX;
            var playerY;
            var playerSize = 15;
            var playerSpeed = (playerSize / Math.pow(playerSize, 1.44)) * 10;
            var Newcelltimer = 0;
            var cell = []
            var cellEaten = 0;
            var celliseaten = false;
            var eaten = false;
            var zoom = 1;
            var n = 0;
            var Xgrid = 600;
            var Ygrid = 600;
            var cpu = [];
            var x = 0;
            var y = 10;
            var z = 100;
            var OffSetX = [];
            var OffSetY = [];
            var lost = false;
            var CPUteam = 2;
            
            function setup() {
              smooth();
              frameRate(999)
              createCanvas(600, 450);
              playerX = 500;
              playerY = 100;
            
            }
            
            function draw() {
              var TotalBlue = 0;
              var TotalRed = 0;
              var Total = 0;
              var cellDist = [];
              if (lost) {
                noLoop()
                fill(255)
                textSize(40)
                background(0)
                text("You lost", width / 2.5, height / 2)
                textSize(20)
                text("Final Board: ", 350, 60)
              } else {
                background(220);
                push();
            
                var Newzoom = 10 / playerSize
                let newnewZoom = 1.3 * lerp(0.9, 10 / playerSize, 0.5)
                Newzoom = lerp(zoom, Newzoom, 0.3)
                translate(Xgrid / 2, Ygrid / 2 - 50);
                scale(newnewZoom)
                translate(-playerX, -playerY);
            
            
                playerSpeed = round((playerSize / Math.pow(playerSize, 1.44)) * 10000) / 1000
                Newcelltimer++;
            
                if (Newcelltimer % 40 == 0) {
                  cell.push(ceil(random(0 - Xgrid, 2 * Xgrid)),
                    ceil(random(0 - Ygrid, 2 * Ygrid)))
                }
            
                if (Newcelltimer % 200 == 0) {
                  cpu.push(ceil(random(-Xgrid, 2 * Xgrid)), ceil(random(-Ygrid, 2 * Ygrid)), 20, CPUteam)
                  OffSetX.push(ceil(random(0, 1000000)))
                  OffSetY.push(ceil(random(1000000, 2000000)))
                  CPUteam++;
                }
                if (Newcelltimer == 1 || Newcelltimer == 2) {
                  cpu.push(ceil(random(-Xgrid, 2 * Xgrid)), ceil(random(-Ygrid, 2 * Ygrid)), 20, CPUteam)
                  OffSetX.push(ceil(random(0, 1000000)))
                  OffSetY.push(ceil(random(1000000, 2000000)))
                  CPUteam++;
                }
                //Checks if player Ate cell
                for (var i = 0; i < cell.length / 2; i++) {
                  let d = int(dist(cell[i * 2], cell[i * 2 + 1], playerX, playerY))
                  if (d <= playerSize / 2) {
                    playerSize += 5;
                    cell.splice(i * 2, 2)
                    celliseaten = true;
                  }
                }
                if (keyIsDown(UP_ARROW) && playerY > 0 - Ygrid) {
                  playerY -= playerSpeed;
                }
                if (keyIsDown(RIGHT_ARROW) && playerX < 2 * Xgrid) {
                  playerX += playerSpeed;
                }
                if (keyIsDown(DOWN_ARROW) && playerY < 2 * Ygrid) {
                  playerY += playerSpeed;
                }
                if (keyIsDown(LEFT_ARROW) && playerX > 0 - Xgrid) {
                  playerX -= playerSpeed;
                }
            
                if (Newcelltimer % 200 == 0) {
                  cell.splice(0, 2)
                }
                for (var j = 0; j < (cpu.length / 4); j++) {
                  var cpuDist = [];
                  //Checks if AI ate cell
                  for (var n = 0; n < cell.length / 2; n++) {
            
                    let dis = int(dist(cell[n * 2], cell[n * 2 + 1], cpu[j * 4], cpu[j * 4 + 1]))
                    if (dis <= cpu[j * 4 + 2] / 2) {
                      cpu[j * 4 + 2] += 5;
                      cell.splice(n * 2, 2)
                    }
                  }
            
                  let amp = round((cpu[j * 4 + 2] / Math.pow(cpu[j * 4 + 2], 1.44)) * 10000) / 1000;
                  x += 0.003;
                  y += 0.003;
                  let offsetX = map(noise(x + OffSetX[j]), 0, 1, -1, 1) * amp;
                  let offsetY = map(noise(y + OffSetY[j]), 0, 1, -1, 1) * amp;
                  cpu[j * 4] += offsetX;
                  cpu[j * 4 + 1] += offsetY;
                  //Draws the AI's
                  if (cpu[j * 4 + 3] % 2 == 0) {
                    fill(0, 0, 255)
                    circle(cpu[j * 4], cpu[j * 4 + 1], cpu[j * 4 + 2]);
                  } else {
                    fill(255, 0, 0)
                    circle(cpu[j * 4], cpu[j * 4 + 1], cpu[j * 4 + 2])
                  }
                  //Checks if player ate AI or vice versa
                  let distance = int(dist(cpu[j * 4], cpu[j * 4 + 1], playerX, playerY))
                  if (distance <= playerSize / 2 && cpu[j * 4 + 2] < playerSize) {
                    playerSize += floor(cpu[j * 4 + 2]);
                    cpu.splice(j * 4, 4)
                  }
                  if (distance <= cpu[j * 4 + 2] && cpu[j * 4 + 2] > playerSize) {
                    lost = true;
                  }
            
                  //Checks if one AI eats another
                  for (var m = 0; m < cpu.length / 4; m++) {
                    if (m != j) {
                      if (cpu[j * 4 + 3] % 2 != cpu[m * 4 + 3] % 2) {
                        distant = dist(cpu[m * 4], cpu[m * 4 + 1], cpu[j * 4], cpu[j * 4 + 1])
                        let higher = (cpu[m * 4 + 2] > cpu[j * 4 + 2]) ? cpu[m * 4 + 2] : cpu[j * 4 + 2]
            
                        if (higher > distant) {
                          if (cpu[m * 4 + 2] > cpu[j * 4 + 2]) {
                            cpu[m * 4 + 2] += cpu[j * 4 + 2]
                            cpu.splice(j * 4, 4)
                          } else {
                            cpu[j * 4 + 2] += cpu[m * 4 + 2]
                            cpu.splice(m * 4, 4)
                          } //Else
                        } // If
                      } //If
                    } //If
                  } //If
                } //Nested For
              } // For
              //Draws all the "cells"
              for (var k = 0; k < cell.length / 2; k++) {
            
                fill(0, 255, 255, 100)
                circle(cell[k * 2], cell[k * 2 + 1], 7)
              }
              //Nothing important, drawing the smiley face character
              fill(255, 255, 0)
              circle(playerX, playerY, playerSize)
              fill(0)
              ellipse(playerX - playerSize / 5, playerY - playerSize / 10, playerSize / 5, playerSize / 3)
              ellipse(playerX + playerSize / 5, playerY - playerSize / 10, playerSize / 5, playerSize / 3)
              arc(playerX, playerY + playerSize / 5, playerSize / 2, playerSize / 5, 0, 3.2, PIE)
              fill(255, 255, 0)
              noStroke()
              arc(playerX, (playerY + playerSize / 5) - 1, playerSize / 2, playerSize / 5, 0, 3.2, PIE)
              stroke(0)
              //Limits the max player size
              if (playerSize >= 3 * Xgrid | playerSize >= 3 * Ygrid) {
                if (Xgrid > Ygrid) {
                  playerSize = 3 * Ygrid;
                } else {
                  playerSize = 3 * Xgrid;
                }
              }
            }
            
            ...

            ANSWER

            Answered 2021-May-04 at 01:49

            The reason the player instantly loses is because the code that the code that checks AI "cpu" distance to player doesn't work correctly.

            Source https://stackoverflow.com/questions/67377039

            QUESTION

            Mongos memory usage in constant augmentation
            Asked 2021-May-03 at 14:06

            We chose to deploy the mongos router in the same VM as our applications, but we're running into some issues where the application gets OOM Killed because the mongos eats up a lot more RAM than we'd expect / want to.

            After a reboot, the mongos footprint is a bit under 2GB, but from here it constantly requires more memory. About 500MB per week. It went up to 4.5+GB

            This is the stats for one of our mongos for the past 2 weeks and it clearly looks like it's leaking memory...

            So my question is: how to investigate such behavior? We've not really been able to find explanations as of why the router might require more RAM, or how to diagnosis the behavior much. Or even how to set a memory usage limit to the mongos.

            With a db.serverStatus on the mongos we can see the allocations:

            ...

            ANSWER

            Answered 2021-May-03 at 04:04

            Why the router would require more memory?

            If there is any query in the sharded cluster where the system needs to do a scatter gather then merging activity is taken care of by the mongos itself.

            For example I am running a query db.collectionanme.find({something : 1})

            If this something field here is not the shard key itself then by default it will do a scatter gather, use explainPlan to check the query. It does a scatter gather because mongos interacts with config server and realises that it doesn't have information for this respective field. {This is applicable for a collection which is sharded}

            To make things worse, if you have sorting operations where the index cannot be used then even that now has to be done on the mongos itself. Sorting operations have to block the memory segment to get the pages together based on volume of data then sort works, imagine the best possible Big O for a sorting operation here. Till that is done the memory is blocked for that operation.

            What you should do?

            Based on settings (your slowms setting, default should be 100ms), check the logs, take a look at your slow queries in the system. If you see a lot of SHARD_MERGE & in memory sorts taking place then you have your culprit right there.

            And for quick fix increase the Swap memory availability and make sure settings are apt.

            All the best.

            Source https://stackoverflow.com/questions/67261839

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