> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/gridgain/gridgain-8/gridgain8-get-started/how-to-guides.md).

# How-To Guides

Task-focused guides for GridGain 8: security, monitoring, performance, operations, and integrations.

Each guide solves one task from start to finish.

## Security and operations

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[How to Configure SSL/TLS/HTTPS Security](/docs/gridgain/gridgain-8/gridgain8-get-started/how-to-guides/ssl-tls-step-by-step.md)
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Set up SSL/TLS to secure GridGain node-to-node, thin-client (ODBC/JDBC), and HTTPS REST traffic with a self-signed certificate authority.
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[How to Encrypt Cluster Traffic With Istio mTLS on Kubernetes](/docs/gridgain/gridgain-8/gridgain8-get-started/how-to-guides/encrypt-traffic-istio.md)
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Enforce mutual TLS across GridGain 8 cluster, thin-client, and external traffic with an Istio service mesh, without changing the cluster's own configuration.
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[How to Encrypt Inter-Node Cluster Traffic With Linkerd on Kubernetes](/docs/gridgain/gridgain-8/gridgain8-get-started/how-to-guides/encrypt-traffic-linkerd.md)
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Encrypt GridGain 8 discovery and communication traffic with automatic mTLS from a Linkerd service mesh, with no keystores and no cluster configuration changes.
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[How to Monitor GridGain 8 With Prometheus and Grafana](/docs/gridgain/gridgain-8/gridgain8-get-started/how-to-guides/prometheus-grafana-step-by-step.md)
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Export GridGain 8 metrics to Prometheus with the OpenCensus exporter, then connect Prometheus to Grafana and import a prebuilt dashboard.
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[How to Monitor GridGain Clusters With New Relic](/docs/gridgain/gridgain-8/gridgain8-get-started/how-to-guides/new-relic.md)
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Export GridGain 8 metrics and logs to New Relic using the OpenTelemetry Java agent, then visualize them with a prebuilt dashboard.
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## Performance

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[How to Choose a Partition Count for Your Workload](/docs/gridgain/gridgain-8/gridgain8-get-started/how-to-guides/choose-partition-count.md)
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Pick a partition count for a partitioned cache on GridGain 8. Default is 1024.
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[How to Debug a Hot Partition](/docs/gridgain/gridgain-8/gridgain8-get-started/how-to-guides/debug-hot-partition.md)
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Diagnose and fix a hot partition on GridGain 8. Three-step procedure identifies the partition, its owner, and the skew pattern.
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[How to Configure NUMA-Aware Memory Allocation](/docs/gridgain/gridgain-8/gridgain8-get-started/how-to-guides/numa-memory-allocation.md)
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Enable NUMA-aware memory allocation in GridGain 8 so data regions optimize memory access patterns on multiprocessor Linux hardware for higher performance.
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## Development

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[How to Deploy Code With UriDeploymentSpi](/docs/gridgain/gridgain-8/gridgain8-get-started/how-to-guides/uri-deployment-spi.md)
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Deploy and redeploy Java compute tasks, services, and POJOs to a running GridGain 8 cluster without restarting nodes, using UriDeploymentSpi.
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## Integrations

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[How to run the GridGain Kafka Connector on Amazon MSK](/docs/gridgain/gridgain-8/gridgain8-get-started/how-to-guides/example-running-on-amazon-msk.md)
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Run Kafka on Amazon MSK with the GridGain Kafka Connector on EC2 to source and sink data between MSK and a GridGain cluster in AWS.
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[How to Export Data to Apache Iceberg on AWS](/docs/gridgain/gridgain-8/gridgain8-get-started/how-to-guides/export-data-iceberg-aws.md)
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Batch-export GridGain 8 data to an Apache Iceberg table in AWS Glue and Amazon S3 with COPY FROM ... INTO, query it in Athena, then import it back.
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## AI and machine learning

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[How to Build Retrieval-Augmented Generation With GridGain and LangChain](/docs/gridgain/gridgain-8/gridgain8-get-started/how-to-guides/langchain-rag-tutorial.md)
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Use GridGain 8 distributed vector search as the unified backend for a LangChain RAG application, with a working laptop-recommendation demo.
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[How to Build a Low-Code RAG Application With GridGain and Langflow](/docs/gridgain/gridgain-8/gridgain8-get-started/how-to-guides/langflow-rag-tutorial.md)
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Build a visual RAG application on Langflow, using GridGain 8 vector search with HNSW as the vector store and chat memory, no code required.
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[How to Build a Machine Learning Feature Store With GridGain and Feast](/docs/gridgain/gridgain-8/gridgain8-get-started/how-to-guides/feast-feature-store-tutorial.md)
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Use GridGain 8 as a low-latency Feast online store for real-time machine learning feature serving, illustrated with a CGM glucose-prediction demo.
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[How to Cache Machine Learning Predictions With GridGain and BigQuery](/docs/gridgain/gridgain-8/gridgain8-get-started/how-to-guides/cache-ml-predictions-bigquery.md)
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Serve BigQuery ML predictions with sub-millisecond latency by caching them in GridGain 8, using a Google Analytics product recommendation demo as the reference.
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