Elasticsearch 7.9.2 释出

Infra/Plugins

• Deprecate xpack.eql.enabled setting and make it a no-op #61375 (issue: #54745)

Mapping

• Improve error messages on bad [format] and [null_value] params for date mapper #61932 (issue: #61712)

Aggregations

• Cardinality request breaker leak #62685 (issue: #62439)
• Fix bug with terms’ min_doc_count #62130 (issue: #62084)

Analysis

• Fix standard filter BWC check to allow for cacheing bug #62649 (issues: #33310, #51092, #62644)

Authentication

• Ensure domain_name setting for AD realm is present #61859
• Update authc failure headers on license change #61734 (issue: #56318)

Authorization

• Ensure authz operation overrides transient authz headers #61621

CCR

• CCR should retry on CircuitBreakingException #62013 (issue: #55633)

EQL

• Create the search request with a list of indices #62005 (issue: #60793)

Engine

• Allow enabling soft-deletes on restore from snapshot #62018 (issue: #61969)

Features/Data streams

• Always validate that only a create op is allowed in bulk api for data streams #62766 (issue: #62762)
• Fix NPE when deleting multiple backing indices on a data stream #62274 (issue: #62272)
• Fix data stream wildcard resolution bug in eql search api. #61904 (issue: #60828)
• Prohibit the usage of create index api in namespaces managed by data stream templates #62527

Features/ILM+SLM

• Fix condition in ILM step that cannot be met #62377

Features/Ingest

• Add Missing NamedWritable Registration for ExecuteEnrichPolicyStatus #62364

Features/Java High Level REST Client

• Drop assertion that rest client response warnings conform to RFC 7234 #61365 (issues: #60889, #61259)

Infra/Packaging

• Check glibc version #62728 (issue: #62709)

Machine Learning

• Add null checks for C++ log handler #62238
• Persist progress when setting data frame analytics task to failed #61782
• Fix reporting of peak memory usage in memory stats for data frame analytics #1468
• Fix reporting of peak memory usage in model size stats for anomaly detection #1484

Mapping

• Allow empty null values for date and IP field mappers #62487 (issues: #57666, #62363)
• Take resolution into account when parsing date null value #61994

Network

• Log alloc description after netty processors set #62741

SQL

• Do not resolve self-referencing aliases #62382 (issue: #62296)

Search

• Fix disabling allow_leading_wildcard #62300 (issues: #60959, #62267)
• Search memory leak #61788

Transform

• Disable optimizations when using scripts in group_by #60724 (issue: #57332)

Infra/Packaging

• Upgrade the bundled JDK to JDK 15 #62580

转自 https://www.elastic.co/guide/en/elasticsearch/reference/7.9/release-notes-7.9.2.html