# ElasticRAM — Split-Pane jvm.options (-Xmx31g OOPs) & opensearch.yml Shard Studio

> Bilingual (EN/VI) engineering config generator for OpenSearch 2.x, Elasticsearch 8.x, and Wazuh 4.x SIEM: deterministic HotSpot -Xmx31g Compressed OOPs ceilings, 50%+ Linux Lucene mmap page caches, 20–50 GB primary shard targets, 85%-watermark PCIe NVMe sizing, and public vendor pricing retrieved 2026-11-12.

## Interactive Split-Pane Studio & Syndication Feeds
- [English Split-Pane jvm.options & opensearch.yml Studio](https://elasticram.pages.dev/en/)
- [Vietnamese Split-Pane Studio (Tiếng Việt)](https://elasticram.pages.dev/vi/)
- [RSS Feed (EN)](https://elasticram.pages.dev/feed-en.xml)
- [RSS Feed (VI)](https://elasticram.pages.dev/feed-vi.xml)

## 8 OpenSearch, Elasticsearch & Wazuh SIEM Cluster Blueprints
- [ElasticRAM 31 GB JVM Heap Rule: Compressed OOPs & Lucene 50/50 Memory Split Explained](https://elasticram.pages.dev/en/clusters/jvm-31gb-compressed-oops-rule/) | [VI](https://elasticram.pages.dev/vi/clusters/jvm-31gb-compressed-oops-rule/)
- [ElasticRAM Wazuh 4.x SIEM Indexer Blueprint: Agents, EPS, Hot NVMe & ISM Retention](https://elasticram.pages.dev/en/clusters/wazuh-siem-indexer-sizing/) | [VI](https://elasticram.pages.dev/vi/clusters/wazuh-siem-indexer-sizing/)
- [ElasticRAM Magento 2.4.7 & Shopware 6 OpenSearch Sizer: Isolate JVM From PHP-FPM](https://elasticram.pages.dev/en/clusters/magento2-opensearch-ram/) | [VI](https://elasticram.pages.dev/vi/clusters/magento2-opensearch-ram/)
- [ElasticRAM Oversharding Remediation: The 20–50 GB/Shard & 20 Shards/GB Heap Formula](https://elasticram.pages.dev/en/clusters/oversharding-20gb-50gb-rule/) | [VI](https://elasticram.pages.dev/vi/clusters/oversharding-20gb-50gb-rule/)
- [ElasticRAM OpenSearch 2.x vs Elasticsearch 8.15+ Audit: Apache 2.0 SSO, RBAC & Alerting](https://elasticram.pages.dev/en/clusters/opensearch-vs-elasticsearch-license/) | [VI](https://elasticram.pages.dev/vi/clusters/opensearch-vs-elasticsearch-license/)
- [ElasticRAM ILM / ISM Hot-Warm-Cold Tiering: Local PCIe NVMe + S3 Snapshot Lifecycle](https://elasticram.pages.dev/en/clusters/ilm-hot-warm-cold-nvme/) | [VI](https://elasticram.pages.dev/vi/clusters/ilm-hot-warm-cold-nvme/)
- [ElasticRAM Graylog 6.x + OpenSearch 2.x Stack Sizer: Disk Journal & Dual-JVM Split](https://elasticram.pages.dev/en/clusters/graylog-opensearch-log-stack/) | [VI](https://elasticram.pages.dev/vi/clusters/graylog-opensearch-log-stack/)
- [ElasticRAM OpenSearch k-NN Vector & Hybrid RAG Sizer: Off-Heap HNSW RAM & Quantization](https://elasticram.pages.dev/en/clusters/knn-vector-lucene-mmap/) | [VI](https://elasticram.pages.dev/vi/clusters/knn-vector-lucene-mmap/)

## 4 Search & Cloud SIEM Public Rate Comparisons (2026-11-12)
- [ElasticRAM Audit: Self-Hosted OpenSearch 2.x on NVMe VDS vs Elastic Cloud 12-Month Cost](https://elasticram.pages.dev/en/compare/self-hosted-opensearch-vs-elastic-cloud/) | [VI](https://elasticram.pages.dev/vi/compare/self-hosted-opensearch-vs-elastic-cloud/)
- [ElasticRAM Cost & Spec Audit: UltaHost 64GB VDS vs AWS OpenSearch Service (r6g.2xlarge)](https://elasticram.pages.dev/en/compare/ultahost-64gb-vds-vs-aws-opensearch/) | [VI](https://elasticram.pages.dev/vi/compare/ultahost-64gb-vds-vs-aws-opensearch/)
- [ElasticRAM Architecture Comparison: OpenSearch 2.x vs ClickHouse for Log & SIEM Workloads](https://elasticram.pages.dev/en/compare/opensearch-vs-clickhouse-logs-ram/) | [VI](https://elasticram.pages.dev/vi/compare/opensearch-vs-clickhouse-logs-ram/)
- [ElasticRAM SIEM Cost Audit: InterServer Ryzen Bare-Metal (2TB+ NVMe) vs Per-GB Cloud SIEM](https://elasticram.pages.dev/en/compare/interserver-ryzen-vs-managed-siem/) | [VI](https://elasticram.pages.dev/vi/compare/interserver-ryzen-vs-managed-siem/)

## Methodology, Ownership & Governance
- [31GB Compressed OOPs, Lucene Cache & Shard Methodology](https://elasticram.pages.dev/en/methodology/) | [VI](https://elasticram.pages.dev/vi/methodology/)
- [About ElasticRAM & Ownership](https://elasticram.pages.dev/en/about/) | [VI](https://elasticram.pages.dev/vi/about/)
- [Contact Editorial Desk](https://elasticram.pages.dev/en/contact/) | [VI](https://elasticram.pages.dev/vi/contact/)
- [FTC Affiliate Disclosure](https://elasticram.pages.dev/en/disclosure/) | [VI](https://elasticram.pages.dev/vi/disclosure/)
- [Privacy Policy](https://elasticram.pages.dev/en/privacy/) | [VI](https://elasticram.pages.dev/vi/privacy/)
- [Terms of Use](https://elasticram.pages.dev/en/terms/) | [VI](https://elasticram.pages.dev/vi/terms/)