Our ride to peak season frontend performance

    Edwin van der Graaf, on 25-02-2020
    Category: Development

    We can imagine that at a regular company your colleagues might become very nervous when you worsen the frontend performance by more than a second on the onload, just before the peak season. In this story we’d like to share our journey from experiencing a setback in performance that was caused by us innovating, to the point where we became the retailer with the second fastest frontend response times (Twinkle and Computest benchmark study) in the Netherlands. Before diving into the details, it’s worth mentioning that we as software engineers…

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    Performance testing the chat app

    Peter Paul van de Beek, Peter Brouwers, on 12-02-2020
    Category: Podcast

    With only a few weeks to go to our peak season, we wanted to ensure that the chat app on our webshop was performing up to par. An important part of our customers’ questions is answered via this chat app. You can feel the importance of it to be able to handle a load of questions during our peak season. Both our customers and our customer service experts couldn’t be let down. Given the short notice, we asked Ymor to help us with their knowledge and experience to perform a…

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    PostgreSQL – Migration and Performance

    Peter Paul van de Beek, Peter Brouwers, on 5-02-2020
    Category: Podcast

    This episode has 2 subjects: PostgreSQL migration and performance. The two guests of our show will present during the PostgreSQL User group meetup at bol.com which started shortly after this recording. The topic of the meetup is introduced as PG ConfEU – The Dutch talks. Guests Martijn Dashorst –  a software engineer for over 20 years and has worked with various databases over the years, including DB2, Oracle, Sqlserver, SABDB and PostgreSQL. As a Java (enterprise) developer, he has worked in the education sector for over 12 years and developed…

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    Performance boost the pick algorithm in the warehouse

    Peter Brouwers, Peter Paul van de Beek, on 29-05-2019
    Category: Podcast

    In this episode we dive into the world were e-commerce becomes physical. We talk about the bol.com Fulfilment Center (BFC). Within these centres, we have several challenges and one of these challenges has to do with the picking algorithm. The pick algorithm determines the route in a warehouse that is performed to pick all the products for a set of customers. As bol.com we have very high volumes of products that we must send from our warehouses to customers every day. So, it makes sense to optimize the distance that…

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