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Articole: 10

  1. A high-throughput Java OLTP system may need a bigger heap

    (CHEN Jian's Java Blog)

    Your system just does some basic work.

  2. A list of things I changed in a Scala 2->3 upgrade

    (CHEN Jian's Java Blog)

    implicit parameter -> using variables explicitly passed-in parameters will be passed like this: foo(using someVariable) implicit variables -> given variables implicit class -> extension Pureconfig com.github.pureconfig:pureconfig_2.13 -> com.github.pureco…

  3. Let request dispatcher have its own thread

    (CHEN Jian's Java Blog)

    Say there is 1 request dispatcher and multiple request consumers.

  4. Note: Doobie’s row->case class mapping is not based on case class property name

    (CHEN Jian's Java Blog)

    Instead it’s based on position.

  5. In Cats-effect, when is xxx inside IO.pure(xxx) executed?

    (CHEN Jian's Java Blog)

    It’s said IO.pure() means eager evaluation.

  6. Please catch Throwable in a task submitted to a thread pool

    (CHEN Jian's Java Blog)

    Exceptions thrown in a task submitted to a thread pool will just disappear.

  7. Condition variable related code is hard to understand. So let me explain

    (CHEN Jian's Java Blog)

    There are a few strange things about Condition related code in Java concurrency.

  8. Fetch-and-add Primitive and Ticket Lock

    (CHEN Jian's Java Blog)

    What does the primitive do?

  9. Test-and-set Primitive

    (CHEN Jian's Java Blog)

    First of all, it’s not the same as “compare-and-swap”.

  10. Lock striping vs Lock splitting

    (CHEN Jian's Java Blog)

    Lock stripping: Use different locks for different purposes on the whole data structure.