Nugget Post: “429 Too Many Requests” on Elasticsearch/Opensearch

In high volume environments, you may encounter the following error when ingesting data into your Open/Elasticsearch cluster: Error HTTP 429: Too Many Requests In NiFi, this would crop up as an uncaught exception: Digging into the Opensearch and client logs, you'd see errors along the lines of: Data too large, data for [<http_request>] would be … Continue reading Nugget Post: “429 Too Many Requests” on Elasticsearch/Opensearch

Nugget Post: Upgrading an OpenSearch cluster

In this case, from 1.x to 2.1.0... Upgrading OpenSearch Download and extract the relevant tar file from the opensearch websiteCopy the /config/opensearch.yml from the directory containing your older opensearch to the new directory you just extracted in step (1)If present, copy all /config/*.pem files from the old directory to the new directoryCopy the opensearch.keystore from … Continue reading Nugget Post: Upgrading an OpenSearch cluster