diff --git a/serverless/index-serverless-elasticsearch.asciidoc b/serverless/index-serverless-elasticsearch.asciidoc index 17c141ec..de5d353c 100644 --- a/serverless/index-serverless-elasticsearch.asciidoc +++ b/serverless/index-serverless-elasticsearch.asciidoc @@ -11,6 +11,7 @@ include::{asciidoc-dir}/../../shared/attributes.asciidoc[] ++++ include::./pages/what-is-elasticsearch-serverless.asciidoc[leveloffset=+2] +include::./pages/serverless-differences.asciidoc[leveloffset=+2] include::./pages/pricing.asciidoc[leveloffset=+2] @@ -51,8 +52,4 @@ include::./pages/explore-your-data-discover-your-data.asciidoc[leveloffset=+3] include::./pages/explore-your-data-visualize-your-data.asciidoc[leveloffset=+3] include::./pages/explore-your-data-alerting.asciidoc[leveloffset=+3] -include::./pages/search-playground.asciidoc[leveloffset=+2] - -include::./pages/serverless-differences.asciidoc[leveloffset=+2] - -include::./pages/technical-preview-limitations.asciidoc[leveloffset=+2] +include::./pages/search-playground.asciidoc[leveloffset=+2] \ No newline at end of file diff --git a/serverless/pages/serverless-differences.asciidoc b/serverless/pages/serverless-differences.asciidoc index 6deffb93..77b2f0ee 100644 --- a/serverless/pages/serverless-differences.asciidoc +++ b/serverless/pages/serverless-differences.asciidoc @@ -1,17 +1,105 @@ [[elasticsearch-differences]] = Differences from other Elasticsearch offerings - -// :description: Understand how serverless Elasticsearch differs from Elastic Cloud Hosted and self-managed offerings. -// :keywords: serverless, elasticsearch - ++++ Serverless differences ++++ -preview:[] +Elasticsearch Serverless abstracts away infrastructure management from users, providing a fully managed Elasticsearch service. +If you've used Elasticsearch before, you'll notice some differences in how you work with the service on serverless, because a number of APIs and settings are not required for serverless projects. +This guide helps you understand what's different, what's available, and how to work effectively when running Elasticsearch on Elastic Cloud Serverless. + +[discrete] +[[elasticsearch-differences-serverless-infrastructure-management]] +== Infrastructure management overview + +Elasticsearch Serverless handles infrastructure management automatically, including: + +* Cluster scaling and optimization +* Node management and allocation +* Shard distribution and replication +* Resource utilization and monitoring + +[discrete] +[[elasticsearch-differences-serverless-aps-settings]] +== APIs and settings + +Because Elasticsearch Serverless manages infrastructure automatically, certain APIs and settings are not available, while others remain fully accessible. + +[TIP] +==== +Refer to the Elasticsearch Serverless https://www.elastic.co/docs/api/[API Reference] for a complete list of available APIs. +==== + +[discrete] +[[elasticsearch-differences-serverless-api-availability]] +=== API availability + +The following categories of operations are *unavailable* since they are managed by the serverless platform: + +Infrastructure operations:: +* All `_nodes/*` operations +* All `_cluster/*` operations +* Most `_cat/*` operations, except for index-related operations such as `/_cat/indices` and `/_cat/aliases` + +Storage and backup:: +* All `_snapshot/*` operations +* Repository management operations + +Index management:: +* `indices/close` operations +* `indices/open` operations +* Recovery and stats operations +* Force merge operations + +[discrete] +[[elasticsearch-differences-serverless-settings-availability]] +=== Settings availability + +In Elasticsearch Serverless, you can only configure index-level settings. +Cluster-level settings and node-level settings are not required by end users and the `elasticsearch.yml` file is fully managed by Elastic. + +Available settings:: +* *Index-level settings*. Settings that control how Elasticsearch documents are processed, stored, and searched are available to end users, including: +** Analysis configuration +** Mapping parameters +** Search/query settings +** Indexing settings such as `refresh_interval` + +Managed settings:: +* *Infrastructure-related settings*. Settings that affect cluster resources or data distribution are not available to end users, including: +** Node configurations +** Cluster topology +** Shard allocation +** Resource management + +[discrete] +[[elasticsearch-differences-serverless-api-errors]] +=== API error handling -Some features that are available in Elastic Cloud Hosted and self-managed offerings are not available in serverless {es}. -These features have either been replaced by a new feature, or are not applicable in the new Serverless architecture: +When attempting to use an unavailable API or setting, you'll receive a clear error message: + +[source,json] +---- +{ + "error": { + "root_cause": [ + { + "type": "api_not_available_exception", + "reason": "Request for uri [/] with method [] exists but is not available when running in serverless mode" + } + ], + "status": 410 + } +} +---- + +[discrete] +[[elasticsearch-differences-serverless-feature-categories]] +== Feature availability + +Some features that are available in Elastic Cloud Hosted and self-managed offerings are not available in serverless {es}, while others are planned for future support. + +The following features have been replaced by a new feature: * **Index lifecycle management ({ilm-init})** is not available, in favor of <>. + @@ -26,17 +114,46 @@ hardware-centric concepts like data tiers. + Kibana Alerts allows rich integrations across use cases like APM, metrics, security, and uptime. Prepackaged rule types simplify setup and hide the details of complex, domain-specific detections, while providing a consistent interface across Kibana. -+ -* Certain APIs, API parameters, index, cluster and node level settings are not available. Refer to our -<> for a list of available APIs. -+ -Serverless Elasticsearch manages the underlying Elastic cluster for you, optimizing nodes, shards, and replicas for your use case. -Because of this, various management and monitoring APIs, API parameters and settings are not available on Serverless. -+ + +[discrete] +[[elasticsearch-differences-serverless-feature-planned]] +=== Planned features + +The following core features are planned for future support: + +* Reindexing from remote clusters +* Cross-cluster search and replication +* Snapshot and restore +* Migrations from non-serverless deployments +* Audit logging +* Authentication realms (native/SAML/OIDC/Kerberos/JWT) +* Clone index API + +The following Search features are planned for future support: + +* {ref}/behavioral-analytics-overview.html[Behavioral Analytics] +* {ref}/search-application-overview.html[Search Applications] +* {enterprise-search-ref}/crawler.html[Managed web crawler] +** You can use the https://github.com/elastic/crawler[self-managed web crawler] in the meantime. +* {ref}/es-native-connectors.html[Elastic managed Search connectors] +** You can use the {ref}/es-build-connector.html[self-managed Search connectors] in the meantime. + +[discrete] +[[elasticsearch-differences-serverless-feature-unavailable]] +=== Permanently unavailable features + +The following features are not available in Elasticsearch Serverless and are not planned for future support: + +* https://www.elastic.co/guide/en/cloud/current/ec-custom-bundles.html[Custom plugins and bundles] +* https://www.elastic.co/guide/en/elasticsearch/hadoop/current/reference.html[Elasticsearch for Apache Hadoop] * {ref}/search-aggregations-metrics-scripted-metric-aggregation.html[Scripted metric aggregations] are not available. -.Other limitations -[IMPORTANT] -==== -For serverless technical preview limitations, refer to <>. -==== +[discrete] +[[elasticsearch-differences-serverless-workloads]] +== Workloads + +Currently, workloads outside of the following ranges may experience higher latencies (greater than sub-second): + +* Search queries on indices greater than 150GB +* Index queries per second (QPS) greater than 1000 +* Search queries per second (QPS) greater than 1800 \ No newline at end of file diff --git a/serverless/pages/what-is-elasticsearch-serverless.asciidoc b/serverless/pages/what-is-elasticsearch-serverless.asciidoc index 61a8afc6..1644186e 100644 --- a/serverless/pages/what-is-elasticsearch-serverless.asciidoc +++ b/serverless/pages/what-is-elasticsearch-serverless.asciidoc @@ -9,11 +9,11 @@ preview:[] Elasticsearch allows you to build custom applications. Whether you have structured or unstructured text, numerical data, or geospatial data, Elasticsearch can efficiently store and index it in a way that supports fast searches. -.Understanding Elasticsearch on serverless -[IMPORTANT] -==== -Refer to <> and <> for important details, including features and limitations specific to {es} on serverless. -==== +// .Understanding Elasticsearch on serverless +// [IMPORTANT] +// ==== +// Refer to <> and <> for important details, including features and limitations specific to {es} on serverless. +// ==== [discrete] == Get started