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	<title>Event Processing &#8211; Noise</title>
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		<title>Evaluating performance impact of removing Redis-cache from a Scylla-backed service</title>
		<link>https://noise.getoto.net/2025/04/11/evaluating-performance-impact-of-removing-redis-cache-from-a-scylla-backed-service/</link>
		
		<dc:creator><![CDATA[Grab Tech]]></dc:creator>
		<pubDate>Fri, 11 Apr 2025 00:23:00 +0000</pubDate>
				<category><![CDATA[database]]></category>
		<category><![CDATA[Engineering]]></category>
		<category><![CDATA[Event Processing]]></category>
		<category><![CDATA[Optimisation]]></category>
		<category><![CDATA[Redis]]></category>
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					<description><![CDATA[Introduction

At Grab, we operate a set of services that manage and provide counts of various items. While this may seem straightforward, the scale at which this feature operates—benefiting millions of Grab users daily—introduces complexity. This featu...]]></description>
		
		
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		<title>Evaluating performance impact of removing Redis-cache from a Scylla-backed service</title>
		<link>https://noise.getoto.net/2025/04/11/evaluating-performance-impact-of-removing-redis-cache-from-a-scylla-backed-service-2/</link>
		
		<dc:creator><![CDATA[Grab Tech]]></dc:creator>
		<pubDate>Fri, 11 Apr 2025 00:23:00 +0000</pubDate>
				<category><![CDATA[database]]></category>
		<category><![CDATA[Engineering]]></category>
		<category><![CDATA[Event Processing]]></category>
		<category><![CDATA[Optimisation]]></category>
		<category><![CDATA[Redis]]></category>
		<guid isPermaLink="false">https://engineering.grab.com/evaluate-performance-remove-redis-from-scylla-service</guid>

					<description><![CDATA[Introduction

At Grab, we operate a set of services that manage and provide counts of various items. While this may seem straightforward, the scale at which this feature operates—benefiting millions of Grab users daily—introduces complexity. This featu...]]></description>
		
		
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		<title>Abacus &#8211; Issuing points for multiple sources</title>
		<link>https://noise.getoto.net/2022/03/01/abacus-issuing-points-for-multiple-sources/</link>
		
		<dc:creator><![CDATA[Grab Tech]]></dc:creator>
		<pubDate>Tue, 01 Mar 2022 00:20:00 +0000</pubDate>
				<category><![CDATA[Engineering]]></category>
		<category><![CDATA[Event Processing]]></category>
		<category><![CDATA[Optimisation]]></category>
		<category><![CDATA[stream-processing]]></category>
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					<description><![CDATA[Introduction
Earlier in 2021 we published an article on Trident, Grab’s in-house real-time if this, then that (IFTTT) engine which manages campaigns for the Grab Loyalty Programme. The Grab Loyalty Programme encourages consumers to make Grab transactio...]]></description>
		
		
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		<title>Trident &#8211; Real-time event processing at scale</title>
		<link>https://noise.getoto.net/2021/01/13/trident-real-time-event-processing-at-scale/</link>
		
		<dc:creator><![CDATA[Grab Tech]]></dc:creator>
		<pubDate>Wed, 13 Jan 2021 00:23:00 +0000</pubDate>
				<category><![CDATA[a-b-testing]]></category>
		<category><![CDATA[Engineering]]></category>
		<category><![CDATA[Event Processing]]></category>
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					<description><![CDATA[Ever wondered what goes behind the scenes when you receive advisory messages on a confirmed booking? Or perhaps how you are awarded with rewards or points after completing a GrabPay payment transaction? At Grab, thousands of such campaigns targeting mi...]]></description>
		
		
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