niwinz

Enable native memory tracking in JVM by specifying the following flag

-XX:NativeMemoryTracking=detail

Know the <PID> of the java process

jps

To print ps based RSS

ps -p <PID> -o pcpu,rss,size,vsize

To print native memory tracking summary

niwinz

---
version: "3.5"

networks:
  penpot:

volumes:
  penpot_postgres_v15:
  penpot_assets:
  # penpot_traefik:

niwinz

(ns user
  (:require
   [clojure.tools.namespace.repl :as r]
   [clojure.core.async :as a]
   [promesa.core :as p]
   [promesa.exec :as px]
   [promesa.exec.csp :as sp]
   [promesa.protocols :as pt]
   [promesa.util :as pu])
  (:import

niwinz

README

How to compile:

clang example.c --target=wasm32 -O3 -msimd128 -nostdlib -Wl,--export-all -Wl,--no-entry -Wl,--allow-undefined --output example.wasm

How to run:

niwinz

/**
 @class BroadcastChannel
 A simple BroadcastChannel polyfill that works with all major browsers.
 Please refer to the official MDN documentation of the Broadcast Channel API.
 @see <a href="https://developer.mozilla.org/en-US/docs/Web/API/Broadcast_Channel_API">Broadcast Channel API on MDN</a>
 @author Alessandro Piana
 @version 0.0.6
 */

/*

niwinz

DROP TABLE task;
CREATE TABLE task (id bigint not null, parent_id bigint null);

-- Create many unrelated linked lists in the same table

INSERT INTO task values (1, null);
INSERT INTO task (id, parent_id)
  SELECT i, i-1 FROM generate_series(2, 50000) AS t(i);

INSERT INTO task values (50001, null);

niwinz

#include <time.h>
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <stdint.h>
#include <sys/random.h>

#define UUID_T_LENGTH (16)
#define UNIX_TS_LENGTH (6)

niwinz

#!/usr/bin/env bash
set -x

DOCKER_CLI_EXPERIMENTAL=enabled
ORG=${PENPOT_DOCKER_NAMESPACE:-penpotapp};
PLATFORM=${PENPOT_BUILD_PLATFORM:-linux/amd64};
IMAGE=${1:-backend};

DOCKER_IMAGE="$ORG/$IMAGE";
OPTIONS="--platform $PLATFORM -t $DOCKER_IMAGE:$PENPOT_BUILD_BRANCH";

niwinz

EBS Volume Type Benchmark

Tested volumes:

• /dev/nvme1n1 (type: st1, size: 125gb, defaults)
• /dev/nvme2n1 (type: gp3, size: 15gb, iops:3000, tp: 125MB/s)
• /dev/nvme3n1 (type: gp2, size: 15gb, defaults (iops:100 burstable until 3000))

All volumes created from scrach, no gp2->gp3 conversion.

niwinz

#!/bin/bash

# Get temp dir
tmpdir=$(mktemp -d)

# Generate test
cat > ${tmpdir}/ListenToSignal.java <<EOF
import sun.misc.Signal;
import sun.misc.SignalHandler;
public class ListenToSignal {