464 lines
21 KiB
Plaintext
464 lines
21 KiB
Plaintext
[[release-notes-5.0.0-alpha5]]
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== 5.0.0-alpha5 Release Notes
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Also see <<breaking-changes-5.0>>.
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IMPORTANT: This is an alpha release and is intended for _testing purposes only_. Indices created in this version will *not be compatible with Elasticsearch 5.0.0 GA*. Upgrading 5.0.0-alpha5 to any other version is not supported.
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[IMPORTANT]
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.Known networking bug in 5.0.0-alpha5
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======================================================
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There is a major bug in the new Netty4 implementation in this release which
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affects any REST requests greater than 1024 bytes in size, and which will
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generate an exception similar to the following:
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[source,txt]
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----
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[WARN ][http.netty4] [wtOV9Vb] caught exception while handling client http traffic, closing connection [id: 0x1320b717, L:/0:0:0:0:0:0:0:1:9200 - R:/0:0:0:0:0:0:0:1:54732]
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java.lang.UnsupportedOperationException: unsupported message type: DefaultFullHttpResponse (expected: ByteBuf, FileRegion)
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----
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This is due to incorrect handling of the `Expect` HTTP header, and it can be
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worked around in one of three ways:
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* Use a client which does not add `Expect` headers (including the official clients).
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* Pass a blank `Except` header, e.g.
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+
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[source,sh]
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----
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curl -H 'Expect:' ...
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----
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* Use Netty3 for the HTTP layer by passing the following setting at startup:
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+
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[source,sh]
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----
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./bin/elasticsearch -Ehttp.type=netty3
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----
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======================================================
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[[breaking-5.0.0-alpha5]]
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[float]
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=== Breaking changes
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CAT API::
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* Improve cat thread pool API {pull}19721[#19721] (issue: {issue}19590[#19590])
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Cluster::
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* Persistent Node Ids {pull}19140[#19140] (issue: {issue}17811[#17811])
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Core::
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* Keep input time unit when parsing TimeValues {pull}19102[#19102]
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Exceptions::
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* Die with dignity {pull}19272[#19272] (issue: {issue}19231[#19231])
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Index APIs::
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* Removes write consistency level across replication action APIs in favor of wait_for_active_shards {pull}19454[#19454] (issue: {issue}18985[#18985])
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Scripting::
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* Remove deprecated 1.x script and template syntax {pull}19387[#19387] (issue: {issue}13729[#13729])
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Search::
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* Rename `fields` to `stored_fields` and add `docvalue_fields` {pull}18992[#18992] (issue: {issue}18943[#18943])
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Settings::
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* Persistent Node Names {pull}19456[#19456] (issue: {issue}19140[#19140])
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* Remove support for properties {pull}19398[#19398] (issues: {issue}19388[#19388], {issue}19391[#19391])
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[[breaking-java-5.0.0-alpha5]]
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[float]
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=== Breaking Java changes
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CRUD::
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* Removing isCreated and isFound from the Java API {pull}19645[#19645] (issues: {issue}19566[#19566], {issue}19631[#19631])
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Internal::
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* Clean up BytesReference {pull}19196[#19196]
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Java API::
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* Add a dedicated client/transport project for transport-client {pull}19435[#19435] (issue: {issue}19412[#19412])
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Network::
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* Factor out abstract TCPTransport* classes to reduce the netty footprint {pull}19096[#19096]
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Plugins::
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* Migrate query registration from push to pull {pull}19376[#19376]
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* Add components getter as bridge between guice and new plugin init world {pull}19371[#19371]
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* Remove CustomNodeAttributes extension point {pull}19348[#19348]
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* Add RepositoryPlugin interface for registering snapshot repositories {pull}19324[#19324]
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* Simplified repository api for snapshot/restore {pull}19292[#19292]
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* Switch most search extensions from push to pull {pull}19238[#19238]
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* Move RestHandler registration to ActionModule and ActionPlugin {pull}19165[#19165]
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* Pull actions from plugins {pull}19108[#19108]
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* Switch analysis from push to pull {pull}19073[#19073]
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* Remove guice from Mapper plugins {pull}19018[#19018]
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Scripting::
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* Remove o.e.script.Template class and move template query to lang-mustache module {pull}19425[#19425] (issue: {issue}16314[#16314])
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Settings::
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* Remove `node.mode` and `node.local` settings {pull}19428[#19428]
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Snapshot/Restore::
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* Removes extra writeBlob method in BlobContainer {pull}19727[#19727] (issue: {issue}18528[#18528])
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[[deprecation-5.0.0-alpha5]]
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[float]
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=== Deprecations
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CRUD::
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* Deprecate found and created in delete and index rest responses {pull}19633[#19633]
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Plugin Discovery Azure Classic::
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* Deprecate discovery-azure and rename it to discovery-azure-classic {pull}19186[#19186] (issue: {issue}19144[#19144])
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Templates::
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* Deprecate template query {pull}19607[#19607] (issue: {issue}19390[#19390])
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[[feature-5.0.0-alpha5]]
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[float]
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=== New features
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Aggregations::
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* Split regular histograms from date histograms. {pull}19551[#19551] (issues: {issue}4847[#4847], {issue}8082[#8082])
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Circuit Breakers::
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* Circuit break on aggregation bucket numbers with request breaker {pull}19394[#19394] (issue: {issue}14046[#14046])
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Ingest::
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* ingest-useragent plugin {pull}19074[#19074]
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Java REST Client::
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* Introduce async performRequest method {pull}19400[#19400]
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Mapping::
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* Add `scaled_float`. {pull}19264[#19264] (issues: {issue}15939[#15939], {issue}1941[#1941])
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Plugin Repository S3::
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* Add support for path_style_access {pull}15114[#15114]
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Reindex API::
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* Reindex from remote {pull}18585[#18585] (issue: {issue}17447[#17447])
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Translog::
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* Add `elasticsearch-translog` CLI tool with `truncate` command {pull}19342[#19342] (issue: {issue}19123[#19123])
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[[enhancement-5.0.0-alpha5]]
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[float]
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=== Enhancements
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Aggregations::
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* Make the heuristic to compute the default shard size less aggressive. {pull}19659[#19659]
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* Add _bucket_count option to buckets_path {pull}19571[#19571] (issue: {issue}19553[#19553])
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* Remove AggregationStreams {pull}19507[#19507]
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* Migrate serial_diff aggregation to NamedWriteable {pull}19483[#19483]
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* Migrate most remaining pipeline aggregations to NamedWriteable {pull}19480[#19480]
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* Migrate moving_avg pipeline aggregation to NamedWriteable {pull}19420[#19420]
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* Migrate matrix_stats to NamedWriteable {pull}19418[#19418]
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* Migrate derivative pipeline aggregation to NamedWriteable {pull}19407[#19407]
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* Migrate top_hits, histogram, and ip_range aggregations to NamedWriteable {pull}19375[#19375]
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* Migrate nested, reverse_nested, and children aggregations to NamedWriteable {pull}19374[#19374]
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* Migrate geohash_grid and geo_bounds aggregations to NamedWriteable {pull}19372[#19372]
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* Clean up significant terms aggregation results {pull}19365[#19365]
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* Migrate range, date_range, and geo_distance aggregations to NamedWriteable {pull}19321[#19321]
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* Migrate terms aggregation to NamedWriteable {pull}19277[#19277]
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* Migrate sampler and missing aggregations to NamedWriteable {pull}19259[#19259]
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* Migrate global, filter, and filters aggregation to NamedWriteable {pull}19220[#19220]
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* Migrate the cardinality, scripted_metric, and geo_centroid aggregations to NamedWriteable {pull}19219[#19219]
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* Use a static default precision for the cardinality aggregation. {pull}19215[#19215]
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* Migrate more aggregations to NamedWriteable {pull}19199[#19199]
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* Migrate stats and extended stats to NamedWriteable {pull}19198[#19198]
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* Migrate sum, min, and max aggregations over to NamedWriteable {pull}19194[#19194]
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* Start migration away from aggregation streams {pull}19097[#19097]
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Analysis::
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* Specify custom char_filters/tokenizer/token_filters in the analyze API {pull}15671[#15671] (issue: {issue}8878[#8878])
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CAT API::
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* Includes the index UUID in the _cat/indices API {pull}19204[#19204] (issue: {issue}19132[#19132])
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CRUD::
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* #19664 Renaming operation to result and reworking responses {pull}19704[#19704] (issue: {issue}19664[#19664])
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* Adding _operation field to index, update, delete response. {pull}19566[#19566] (issues: {issue}19267[#19267], {issue}9642[#9642], {issue}9736[#9736])
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Cache::
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* Enable option to use request cache for size > 0 {pull}19472[#19472]
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Cluster::
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* Batch process node left and node failure {pull}19289[#19289] (issue: {issue}19282[#19282])
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* Index creation waits for write consistency shards {pull}18985[#18985]
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* Inline reroute with process of node join/master election {pull}18938[#18938] (issue: {issue}17270[#17270])
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Core::
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* Makes index creation more friendly {pull}19450[#19450] (issue: {issue}9126[#9126])
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* Clearer error when handling fractional time values {pull}19158[#19158] (issue: {issue}19102[#19102])
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Discovery::
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* Do not log cluster service errors at after joining a master {pull}19705[#19705]
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Exceptions::
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* Make NotMasterException a first class citizen {pull}19385[#19385]
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* Do not catch throwable {pull}19231[#19231]
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Geo::
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* GeoBoundingBoxQueryBuilder should throw IAE when topLeft and bottomRight are the same coordinate {pull}18668[#18668] (issues: {issue}18458[#18458], {issue}18631[#18631])
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Ingest::
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* Add REST _ingest/pipeline to get all pipelines {pull}19603[#19603] (issue: {issue}19585[#19585])
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* Show ignored errors in verbose simulate result {pull}19404[#19404] (issue: {issue}19319[#19319])
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* update foreach processor to only support one applied processor. {pull}19402[#19402] (issue: {issue}19345[#19345])
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* Skip the execution of an empty pipeline {pull}19200[#19200] (issue: {issue}19192[#19192])
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Internal::
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* Make Priority an enum {pull}19448[#19448]
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* Snapshot UUIDs in blob names {pull}19421[#19421] (issues: {issue}18156[#18156], {issue}18815[#18815], {issue}19002[#19002], {issue}7540[#7540])
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* Add RestController method for deprecating in one step {pull}19343[#19343]
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* Tighten ensure atomic move cleanup {pull}19309[#19309] (issue: {issue}19036[#19036])
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* Enable checkstyle ModifierOrder {pull}19214[#19214]
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* Expose task information from NodeClient {pull}19189[#19189]
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* Changed rest handler interface to take NodeClient {pull}19170[#19170]
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* Deprecate ExceptionsHelper.detailedMessage {pull}19160[#19160] (issue: {issue}19069[#19069])
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* Factor out ChannelBuffer from BytesReference {pull}19129[#19129]
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* Cleanup Compressor interface {pull}19125[#19125]
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* Require executor name when calling scheduleWithFixedDelay {pull}17538[#17538]
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Java API::
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* Start from a random node number so that clients do not overload the first node configured {pull}14143[#14143]
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Java REST Client::
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* Add response body to ResponseException error message {pull}19653[#19653] (issue: {issue}19653[#19653])
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* Simplify Sniffer initialization and automatically create the default HostsSniffer {pull}19599[#19599]
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* Remove duplicate dependency declaration for http client {pull}19580[#19580] (issue: {issue}19281[#19281])
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* Add callback to customize http client settings {pull}19373[#19373]
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* Rest Client: add short performRequest method variants without params and/or body {pull}19340[#19340] (issue: {issue}19312[#19312])
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Logging::
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* Add log message about enforcing bootstrap checks {pull}19451[#19451]
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* Improve logging for batched cluster state updates {pull}19255[#19255]
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* Send HTTP Warning Header(s) for any Deprecation Usage from a REST request {pull}17804[#17804] (issue: {issue}17687[#17687])
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Mapping::
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* Elasticsearch should reject dynamic templates with unknown `match_mapping_type`. {pull}17285[#17285] (issue: {issue}16945[#16945])
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Network::
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* Explicitly tell Netty to not use unsafe {pull}19786[#19786] (issues: {issue}19562[#19562], {issue}5624[#5624])
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* Enable Netty 4 extensions {pull}19767[#19767] (issue: {issue}19526[#19526])
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* Modularize netty {pull}19392[#19392]
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* Simplify TcpTransport interface by reducing send code to a single send method {pull}19223[#19223]
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Percolator::
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* Also support query term extract for queries wrapped inside a FunctionScoreQuery {pull}19184[#19184]
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* Add support for synonym query to percolator query term extraction {pull}19066[#19066]
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Plugin Discovery EC2::
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* Use `DefaultAWSCredentialsProviderChain` AWS SDK class for credentials {pull}19561[#19561] (issue: {issue}19556[#19556])
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* Support new Asia Pacific (Mumbai) ap-south-1 AWS region {pull}19112[#19112] (issue: {issue}19110[#19110])
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Plugin Discovery GCE::
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* Allow `_gce_` network when not using discovery gce {pull}15765[#15765] (issue: {issue}15724[#15724])
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Plugin Lang Painless::
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* Change Painless Tree Structure for Variable/Method Chains {pull}19459[#19459]
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* Add replaceAll and replaceFirst {pull}19070[#19070]
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Plugin Mapper Size::
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* Add doc values support to the _size field in the mapper-size plugin {pull}19217[#19217] (issue: {issue}18334[#18334])
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Plugins::
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* Add ScriptService to dependencies available for plugin components {pull}19770[#19770]
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* Log one plugin info per line {pull}19441[#19441]
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* Make rest headers registration pull based {pull}19440[#19440]
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* Add resource watcher to services available for plugin components {pull}19401[#19401]
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* Add some basic services to createComponents for plugins {pull}19380[#19380]
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* Make plugins closeable {pull}19137[#19137]
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* Plugins: Add status bar on download {pull}18695[#18695]
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Query DSL::
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* Allow empty json object in request body in `_count` API {pull}19595[#19595] (issue: {issue}19422[#19422])
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REST::
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* Add Location header to the index, update, and create APIs {pull}19509[#19509] (issue: {issue}19079[#19079])
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* Add support for `wait_for_events` to the `_cluster/health` REST endpoint {pull}19432[#19432] (issue: {issue}19419[#19419])
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* Rename Search Template REST spec names {pull}19178[#19178]
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Recovery::
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* Non-blocking primary relocation hand-off {pull}19013[#19013] (issues: {issue}15900[#15900], {issue}18553[#18553])
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Reindex API::
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* Only ask for `_version` we need it {pull}19693[#19693] (issue: {issue}19135[#19135])
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* Use fewer threads when reindexing-from-remote {pull}19636[#19636]
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* Support authentication with reindex-from-remote {pull}19310[#19310]
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* Support requests_per_second=-1 to mean no throttling in reindex {pull}19101[#19101] (issue: {issue}19089[#19089])
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Scripting::
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* Remove ClusterState from compile api {pull}19136[#19136]
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* Mustache: Render Map as JSON {pull}18856[#18856] (issue: {issue}18970[#18970])
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Search::
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* Limit batch size when scrolling {pull}19367[#19367] (issue: {issue}19249[#19249])
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* Record method counts while profiling query components {pull}18302[#18302]
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Settings::
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* Validates new dynamic settings from the current state {pull}19122[#19122] (issue: {issue}19046[#19046])
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Snapshot/Restore::
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* BlobContainer#writeBlob no longer can overwrite a blob {pull}19749[#19749] (issue: {issue}15579[#15579])
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* More resilient blob handling in snapshot repositories {pull}19706[#19706] (issues: {issue}18156[#18156], {issue}18815[#18815], {issue}19421[#19421], {issue}7540[#7540])
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* Adding repository index generational files {pull}19002[#19002] (issue: {issue}18156[#18156])
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* Raised IOException on deleteBlob {pull}18815[#18815] (issue: {issue}18530[#18530])
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Stats::
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* Add missing field type in the FieldStats response. {pull}19241[#19241] (issue: {issue}17750[#17750])
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* Expose the ClusterInfo object in the allocation explain output {pull}19106[#19106] (issue: {issue}14405[#14405])
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[[bug-5.0.0-alpha5]]
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[float]
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=== Bug fixes
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Aggregations::
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* Undeprecates `aggs` in the search request {pull}19674[#19674] (issue: {issue}19504[#19504])
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* Change how `nested` and `reverse_nested` aggs know about their nested depth level {pull}19550[#19550] (issues: {issue}11749[#11749], {issue}12410[#12410])
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* Make ExtendedBounds immutable {pull}19490[#19490] (issue: {issue}19481[#19481])
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* Fix potential AssertionError with include/exclude on terms aggregations. {pull}19252[#19252] (issue: {issue}18575[#18575])
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* Pass resolved extended bounds to unmapped histogram aggregator {pull}19085[#19085] (issue: {issue}19009[#19009])
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* Fix "key_as_string" for date histogram and epoch_millis/epoch_second format with time zone {pull}19043[#19043] (issue: {issue}19038[#19038])
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Allocation::
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* Fix NPE when initializing replica shard has no UnassignedInfo {pull}19491[#19491] (issue: {issue}19488[#19488])
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* Make shard store fetch less dependent on the current cluster state, both on master and non data nodes {pull}19044[#19044] (issue: {issue}18938[#18938])
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Analysis::
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* Fix analyzer alias processing {pull}19506[#19506] (issue: {issue}19163[#19163])
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CAT API::
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* Fixes cat tasks operation in detailed mode {pull}19759[#19759] (issue: {issue}19755[#19755])
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* Add index pattern wildcards support to _cat/shards {pull}19655[#19655] (issue: {issue}19634[#19634])
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Cluster::
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* Allow routing table to be filtered by index pattern {pull}19688[#19688]
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* Use executor's describeTasks method to log task information in cluster service {pull}19531[#19531]
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Core::
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* Makes `m` case sensitive in TimeValue {pull}19649[#19649] (issue: {issue}19619[#19619])
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* Guard against negative result from FileStore.getUsableSpace when picking data path for a new shard {pull}19554[#19554]
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* Handle rejected execution exception on reschedule {pull}19505[#19505]
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Dates::
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* Make sure TimeIntervalRounding is monotonic for increasing dates {pull}19020[#19020]
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Geo::
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* Incomplete results when using geo_distance for large distances {pull}17578[#17578]
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Highlighting::
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* Plain highlighter should ignore parent/child queries {pull}19616[#19616] (issue: {issue}14999[#14999])
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* Let fast vector highlighter also extract terms from the nested query's inner query. {pull}19337[#19337] (issue: {issue}19265[#19265])
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Index APIs::
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* Fixes active shard count check in the case of `all` shards {pull}19760[#19760]
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* Add zero-padding to auto-generated rollover index name increment {pull}19610[#19610] (issue: {issue}19484[#19484])
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Ingest::
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* Fix NPE when simulating a pipeline with no id {pull}19650[#19650]
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* Change foreach processor to use ingest metadata for array element {pull}19609[#19609] (issue: {issue}19592[#19592])
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* No other processors should be executed after on_failure is called {pull}19545[#19545]
|
|
* rethrow script compilation exceptions into ingest configuration exceptions {pull}19318[#19318]
|
|
* Rename from `ingest-useragent` plugin to `ingest-user-agent` and its processor from `useragent` to `user_agent` {pull}19261[#19261]
|
|
|
|
Inner Hits::
|
|
* Ensure that that InnerHitBuilder uses rewritten queries {pull}19360[#19360] (issue: {issue}19353[#19353])
|
|
|
|
Internal::
|
|
* Priority values should be unmodifiable {pull}19447[#19447]
|
|
* Extract AbstractBytesReferenceTestCase {pull}19141[#19141]
|
|
|
|
Java REST Client::
|
|
* Rest Client: add slash to log line when missing between host and uri {pull}19325[#19325] (issue: {issue}19314[#19314])
|
|
* Rest Client: HostsSniffer to set http as default scheme {pull}19306[#19306]
|
|
|
|
Logging::
|
|
* Only log running out of slots when out of slots {pull}19637[#19637]
|
|
|
|
Mapping::
|
|
* Mappings: Fix detection of metadata fields in documents {pull}19765[#19765]
|
|
* Fix not_analyzed string fields to error when position_increment_gap is set {pull}19510[#19510]
|
|
* Automatically created indices should honor `index.mapper.dynamic`. {pull}19478[#19478] (issue: {issue}17592[#17592])
|
|
|
|
Network::
|
|
* Verify lower level transport exceptions don't bubble up on disconnects {pull}19518[#19518] (issue: {issue}19096[#19096])
|
|
|
|
Packaging::
|
|
* Disable service in pre-uninstall {pull}19328[#19328]
|
|
|
|
Parent/Child::
|
|
* Make sure that no `_parent#null` gets introduces as default _parent mapping {pull}19470[#19470] (issue: {issue}19389[#19389])
|
|
|
|
Plugin Discovery Azure Classic::
|
|
* Make discovery-azure plugin work again {pull}19062[#19062] (issues: {issue}15630[#15630], {issue}18637[#18637])
|
|
|
|
Plugin Discovery EC2::
|
|
* Fix EC2 discovery settings {pull}18690[#18690] (issues: {issue}18652[#18652], {issue}18662[#18662])
|
|
|
|
Plugin Discovery GCE::
|
|
* Fix NPE when GCE region is empty {pull}19176[#19176] (issue: {issue}16967[#16967])
|
|
|
|
Plugin Repository Azure::
|
|
* Register group setting for repository-azure accounts {pull}19086[#19086]
|
|
|
|
Plugin Repository S3::
|
|
* Add missing permission to repository-s3 {pull}19128[#19128] (issues: {issue}18539[#18539], {issue}19121[#19121])
|
|
* Fix repository S3 Settings and add more tests {pull}18703[#18703] (issues: {issue}18662[#18662], {issue}18690[#18690])
|
|
|
|
Query DSL::
|
|
* Throw ParsingException if a query is wrapped in an array {pull}19750[#19750] (issue: {issue}12887[#12887])
|
|
* Restore parameter name auto_generate_phrase_queries {pull}19514[#19514] (issue: {issue}19512[#19512])
|
|
|
|
REST::
|
|
* Fixes CORS handling so that it uses the defaults {pull}19522[#19522] (issue: {issue}19520[#19520])
|
|
|
|
Recovery::
|
|
* Move `reset recovery` into RecoveriesCollection {pull}19466[#19466] (issue: {issue}19473[#19473])
|
|
* Fix replica-primary inconsistencies when indexing during primary relocation with ongoing replica recoveries {pull}19287[#19287] (issue: {issue}19248[#19248])
|
|
|
|
Search::
|
|
* Don't recursively count children profile timings {pull}19397[#19397] (issue: {issue}18693[#18693])
|
|
* fix explain in function_score if no function filter matches {pull}19185[#19185]
|
|
* Fix NPEs due to disabled source {pull}18957[#18957]
|
|
|
|
Settings::
|
|
* Validate settings against dynamic updaters on the master {pull}19088[#19088] (issue: {issue}19046[#19046])
|
|
|
|
Stats::
|
|
* Fix serialization bug in allocation explain API. {pull}19494[#19494]
|
|
* Allocation explain: Also serialize `includeDiskInfo` field {pull}19492[#19492]
|
|
|
|
Store::
|
|
* Tighten up concurrent store metadata listing and engine writes {pull}19684[#19684] (issue: {issue}19416[#19416])
|
|
* Make static Store access shard lock aware {pull}19416[#19416] (issue: {issue}18938[#18938])
|
|
* Catch assertion errors on commit and turn it into a real exception {pull}19357[#19357] (issue: {issue}19356[#19356])
|
|
|
|
|
|
|
|
[[upgrade-5.0.0-alpha5]]
|
|
[float]
|
|
=== Upgrades
|
|
|
|
Network::
|
|
* Dependencies: Upgrade to netty 4.1.4 {pull}19689[#19689]
|
|
* Introduce Netty 4 {pull}19526[#19526] (issue: {issue}3226[#3226])
|
|
* Upgrade to netty 3.10.6.Final {pull}19235[#19235]
|
|
|