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Comment: Update roadmap after 8.7 and 8.8 releases

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They are listed here separately on this page: Deprecations

Solr 8.

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Autumn 2020

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Jira
serverASF JIRA
columnskey,summary,type,created,updated,due,assignee,reporter,priority,status,resolution
serverId5aa69414-a9e9-3523-82ec-879b028fb15b
keySOLR-14615

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9

Solr 8.8

End of 2020? Last version before 9.0?

ItemDescriptionContributorsThemeJira
Alternate SolrJ APIs without using NamedList/SimpleOrderedMap/MapGet rid of concrete classes such as NamedList,SimpleOrderedMap, Map, etc and build our public APIs with interfacesNoble PaulClean-API

Jira
serverASF JIRA
columnskey,summary,type,created,updated,due,assignee,reporter,priority,status,resolution
serverId5aa69414-a9e9-3523-82ec-879b028fb15b
keySOLR-14730

New Cluster APIStandard set of APIs which consists of only interfaces. We should ensure that They are used wherever possible in server/client code. We should expose these interfaces to our plugins. They should be well -documented and we must always strive to maintain backward compatibility on these interfaces between versionsNoble PaulClean-API

Jira
serverASF JIRA
columnskey,summary,type,created,updated,due,assignee,reporter,priority,status,resolution
serverId5aa69414-a9e9-3523-82ec-879b028fb15b
keySOLR-14680

New Remote Call APIRemote Calls should have simple constructs and they must be public interfaces. This should be used in all inter-node/client-server communicationsNoble PaulClean-API

Jira
serverASF JIRA
columnskey,summary,type,created,updated,due,assignee,reporter,priority,status,resolution
serverId5aa69414-a9e9-3523-82ec-879b028fb15b
keySOLR-14712

Multi-threaded search (SOLR-13350)

Multi threaded search across multiple segments at once, using CollectorManagers


Ishan Chattopadhyaya, Atri SharmaOptimization

Jira
serverASF JIRA
columnskey,summary,type,created,updated,due,assignee,reporter,priority,status,resolution
serverId5aa69414-a9e9-3523-82ec-879b028fb15b
keySOLR-13350

Ishan Chattopadhyaya, Atri Sharma

Optimization

SOLR-13350

SIP-9

Advanced Query parser and supporting lucene filters


Mike Nibeck (LOC contributor), Gus HeckFeature

Jira
serverASF JIRA
columnskey,summary,type,created,updated,due,assignee,reporter,priority,status,resolution
serverId5aa69414-a9e9-3523-82ec-879b028fb15b
keySOLR-14597

Mike Nibeck (LOC contributor), Gus Heck

Feature

SOLR-14597

Establish Solr TLP

The git repo is split, gradle build adapted, release process separated etc. See Solr TLP needed changes for all related tasks.

The 9.0 release will be the first release after the TLP split.

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Solr 9.0

Early 2021. First release as TLP. The theme of this release is to use Lucene 9.0 and to introduce some major frameworks.

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Lean Solr CoreTech-debt
ItemDescriptionContributorsThemeJira
First party packages & Slim Solr distributionSolr should have first party packages, and a slim Solr tarball that doesn't have the first party packagesIshan, Noble, Jan, et. al.Lean Solr Core
V2 API to be the defaultRef guide docs should use V2, where necessary we build V2 APIs, switch SolrJ to use V2 APIs, etc.
Usability
Autoscaling / Replica assignment V2

A new pluggable framework replaces current autoscaling


Andrzej, Ilan, NobleLean Solr Core
Jira
serverASF JIRA
columnskey,summary,type,created,updated,due,assignee,reporter,priority,status,resolution
serverId5aa69414-a9e9-3523-82ec-879b028fb15b
keySOLR-14749

Jira
serverASF JIRA
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serverId5aa69414-a9e9-3523-82ec-879b028fb15b
key

SOLR-14613Andrzej, Ilan, Noble

SOLR-

14749SOLR-

14613

HDFS moved away from Solr-CoreBuild a first party package out of HDFS supportIstvan Farkas, GezapetiLean Solr Core
Remove Ant support



Tech-debt

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serverASF JIRA
columnskey,summary,type,created,updated,due,assignee,reporter,priority,status,resolution
serverId5aa69414-a9e9-3523-82ec-879b028fb15b
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LUCENE-9433

LUCENE-9433

Index Lifecycle ManagementAutomatically move indices between hot, warm and cold phasesAtri SharmaFeature
POJOs instead of loosely typed objectsStart using POJOs/interfaces wherever possible in public APIs where ever possibleNoble Paul

Remove Filter.java from SolrFilter.java is a legacy relic from earlier Lucene days.  Solr uses Filter in a variety of places where it can use other constructs or in some cases we need to make new constructs.  In some cases like TwoPhaseIterator, this is an optimization.David SmileyTech-debt

Jira
serverASF JIRA
columnskey,summary,type,created,updated,due,assignee,reporter,priority,status,resolution
serverId5aa69414-a9e9-3523-82ec-879b028fb15b
keySOLR-12336

Solr 9.1

Soon after 9.0. The main theme of this release is to solidify all the new frameworks.

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