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This is collected information related to

• https://internals.rust-lang.org/t/why-rustc-1-71-no-longer-eliminates-box-allocations/22376/9
• rust-lang/rust#128854

See 20_bench_code.rs for the code under study. See 21_bench_results.md for benchmark results (detailed results on a laptop and a baseline results from EC2 Graviton). The benchmarks were run with a release version of rustc.

See 30_rustc_patch.diff for the compiler patch addressing the rust-lang/rust#128854 issue.

findepi

quick build

cargo build

full build

findepi

1. Intellij Preferences > Live Templates > group Java
2. Add a new one with
   • abbreviation log
   • Description Add airlift Logger
   • Template text private static final io.airlift.log.Logger log = io.airlift.log.Logger.get($CLASS_NAME$.class);
   • Applicable contexts: Java > Declaration
   • check Shorten FQ names

• Edit variables button and there add CLASS_NAME variable with className() expression

findepi

#bash

set -euo pipefail

sleep_before_reruns_seconds=$[10 * 60]

while true; do
    slept=false
    for pr_link in $(gh pr list --search 'author:@me' --limit 999 --json 'url' --jq '.[].url'); do
        echo "checking PR ${pr_link}"

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# store as docky/Dockerfile to match references in the other script

FROM ubuntu:latest

RUN true && \
        export DEBIAN_FRONTEND=noninteractive && \
        apt-get update && \
        apt-get install -y openssl && \
        apt-get clean && \
        echo OK

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quick build

./gradlew build -x test -x integrationTest -x spotlessJavaCheck -x checkstyleTest

full build, like mvn install

By default only modules for one Spark/Flink/Scala versions are built. To get the full build, component versions need to be enumerated.

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mvn clean release:clean && mvn release:prepare

# `env GPG_TTY=$(tty)` may help with some sort of GPG problems
mvn release:perform

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1. Intellij Preferences > Live Templates > group Java
2. Add a new one with
   • abbreviation rnn
   • Description requireNonNull
   • Template text java.util.Objects.requireNonNull($var$, "$var$ is null")
   • Applicable contexts: Java > Expression
   • check use static imports if possible

• Edit variables button and there add var variable with variableOfType("Object") expression

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Certificates

CA and trust keystore

keytool -genkeypair -keyalg RSA -keysize 2048 -validity 365 -alias ca -dname "CN=ca,O=HMS,S=SE" -keystore ca.jks -storepass password
keytool -exportcert -rfc -alias ca -keystore ca.jks -storepass password > ca.pem
cat ca.pem | keytool -importcert -alias ca -noprompt -keystore trust.jks -storepass password

server cert

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# To regenerate the test key and certificates

# Generate an RSA private key and convert it to PKCS8 wraped in PEM
openssl genrsa 2048 | openssl pkcs8 -topk8 -inform pem -outform pem -nocrypt -out rsa.key
# Generate a certificate signing request with the private key
openssl req -new -key rsa.key -out rsa.csr
# Sign request with private key
openssl x509 -req -days 10000 -in rsa.csr -signkey rsa.key -out rsa.crt