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Kafka Connect is a scalable and reliable tool for streaming data between Apache Kafka and other systems. It allows to quickly define connectors that move data into and out of Kafka. Luckily for us, there is an open-source connector that sends data from Kafka topics to Elasticsearch indices.
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The error above looks as though we simply sent too much data to Elasticsearch at once. Normally, this can be easily mitigated, for example by reducing the batch.size parameter in the connector or decreasing indexing concurrency. However, the error still didn't disappear. After some investigation we discovered that the problem was being caused by a bug in Elasticsearch client nodes.
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InfluxDB
Build time-series-based applications quickly and at scale.. InfluxDB is the Time Series Platform where developers build real-time applications for analytics, IoT and cloud-native services. Easy to start, it is available in the cloud or on-premises.
