Adds a new parameter to regression and classification that enables computation
of importance for the top most important features. The computation of the importance
is based on SHAP (SHapley Additive exPlanations) method.
Backport of #50914
Generally speaking, deprecated analysis components in elasticsearch will issue deprecation
warnings when they are first used. However, this means that no warnings are emitted when
indexes are created with deprecated components, and users have to actually index a document
to see warnings. This makes it much harder to see these warnings and act on them at
appropriate times.
This is worse in the case where components throw exceptions on upgrade. In this case, users
will not be aware of a problem until a document is indexed, instead of at index creation time.
This commit adds a new check that pushes an empty string through all user-defined analyzers
and normalizers when an IndexAnalyzers object is built for each index; deprecation warnings
and exceptions are now emitted when indexes are created or opened.
Fixes#42349
Updates a snippet to use the `s` query string parameter rather than
piping the output to a separate `sort` command.
This ensures the snippet is tested and available in clients other than
curl (Kibana console, etc.).
Issue was originally raised by @hackaholic in #40926.
This adds a new "http" sub-command to the certutil CLI tool.
The http command generates certificates/CSRs for use on the http
interface of an elasticsearch node/cluster.
It is designed to be a guided tool that provides explanations and
sugestions for each of the configuration options. The generated zip
file output includes extensive "readme" documentation and sample
configuration files for core Elastic products.
Backport of: #49827
* Move metadata storage to Lucene (#50907)
Today we split the on-disk cluster metadata across many files: one file for the metadata of each
index, plus one file for the global metadata and another for the manifest. Most metadata updates
only touch a few of these files, but some must write them all. If a node holds a large number of
indices then it's possible its disks are not fast enough to process a complete metadata update before timing out. In severe cases affecting master-eligible nodes this can prevent an election
from succeeding.
This commit uses Lucene as a metadata storage for the cluster state, and is a squashed version
of the following PRs that were targeting a feature branch:
* Introduce Lucene-based metadata persistence (#48733)
This commit introduces `LucenePersistedState` which master-eligible nodes
can use to persist the cluster metadata in a Lucene index rather than in
many separate files.
Relates #48701
* Remove per-index metadata without assigned shards (#49234)
Today on master-eligible nodes we maintain per-index metadata files for every
index. However, we also keep this metadata in the `LucenePersistedState`, and
only use the per-index metadata files for importing dangling indices. However
there is no point in importing a dangling index without any shard data, so we
do not need to maintain these extra files any more.
This commit removes per-index metadata files from nodes which do not hold any
shards of those indices.
Relates #48701
* Use Lucene exclusively for metadata storage (#50144)
This moves metadata persistence to Lucene for all node types. It also reenables BWC and adds
an interoperability layer for upgrades from prior versions.
This commit disables a number of tests related to dangling indices and command-line tools.
Those will be addressed in follow-ups.
Relates #48701
* Add command-line tool support for Lucene-based metadata storage (#50179)
Adds command-line tool support (unsafe-bootstrap, detach-cluster, repurpose, & shard
commands) for the Lucene-based metadata storage.
Relates #48701
* Use single directory for metadata (#50639)
Earlier PRs for #48701 introduced a separate directory for the cluster state. This is not needed
though, and introduces an additional unnecessary cognitive burden to the users.
Co-Authored-By: David Turner <david.turner@elastic.co>
* Add async dangling indices support (#50642)
Adds support for writing out dangling indices in an asynchronous way. Also provides an option to
avoid writing out dangling indices at all.
Relates #48701
* Fold node metadata into new node storage (#50741)
Moves node metadata to uses the new storage mechanism (see #48701) as the authoritative source.
* Write CS asynchronously on data-only nodes (#50782)
Writes cluster states out asynchronously on data-only nodes. The main reason for writing out
the cluster state at all is so that the data-only nodes can snap into a cluster, that they can do a
bit of bootstrap validation and so that the shard recovery tools work.
Cluster states that are written asynchronously have their voting configuration adapted to a non
existing configuration so that these nodes cannot mistakenly become master even if their node
role is changed back and forth.
Relates #48701
* Remove persistent cluster settings tool (#50694)
Adds the elasticsearch-node remove-settings tool to remove persistent settings from the on
disk cluster state in case where it contains incompatible settings that prevent the cluster from
forming.
Relates #48701
* Make cluster state writer resilient to disk issues (#50805)
Adds handling to make the cluster state writer resilient to disk issues. Relates to #48701
* Omit writing global metadata if no change (#50901)
Uses the same optimization for the new cluster state storage layer as the old one, writing global
metadata only when changed. Avoids writing out the global metadata if none of the persistent
fields changed. Speeds up server:integTest by ~10%.
Relates #48701
* DanglingIndicesIT should ensure node removed first (#50896)
These tests occasionally failed because the deletion was submitted before the
restarting node was removed from the cluster, causing the deletion not to be
fully acked. This commit fixes this by checking the restarting node has been
removed from the cluster.
Co-authored-by: David Turner <david.turner@elastic.co>
* fix tests
Co-authored-by: David Turner <david.turner@elastic.co>
The Document Level Security BitSet Cache (see #43669) had a default
configuration of "small size, long lifetime". However, this is not
a very useful default as the cache is most valuable for BitSets that
take a long time to construct, which is (generally speaking) the same
ones that operate over a large number of documents and contain many
bytes.
This commit changes the cache to be "large size, short lifetime" so
that it can hold bitsets representing billions of documents, but
releases memory quickly.
The new defaults are 10% of heap, and 2 hours.
This also adds some logging when a single BitSet exceeds the size of
the cache and when the cache is full.
Backport of: #50535
Previously custom realms were limited in what services and components
they had easy access to. It was possible to work around this because a
security extension is packaged within a Plugin, so there were ways to
store this components in static/SetOnce variables and access them from
the realm, but those techniques were fragile, undocumented and
difficult to discover.
This change includes key services as an argument to most of the methods
on SecurityExtension so that custom realm / role provider authors can
have easy access to them.
Backport of: #50534
Currently, the connection manager is configured with a default profile
for both the sniff and proxy connection stratgies. This profile
correctly reflects the expected number of connection (6 for sniff, 18
for proxy). This commit removes the proxy strategy usages of the per
connection attempt profile configuration.
Additionally, it refactors other unnecessary code around the connection
manager. The connection manager now can always be built inside the
remote connection.
The Document Level Security BitSet cache stores a secondary "lookup
map" so that it can determine which cache entries to invalidate when
a Lucene index is closed (merged, etc).
There was a memory leak because this secondary map was not cleared
when entries were naturally evicted from the cache (due to size/ttl
limits).
This has been solved by adding a cache removal listener and processing
those removal events asyncronously.
Backport of: #50635
Currently we reuse the same test connection for all connection attempts
in the testConcurrentConnectsAndDisconnects test. This means that if the
connection fails due to a pre-existing connection, the connection will
be closed impacting the state of all connection attempts. This commit
fixes the test, by returning a unique connection for each attempt.
Fixes#49903.
When creating a role, we do not check if the exceptions for
the field permissions are a subset of granted fields. If such
a role is assigned to a user then that user's authentication fails
for this reason.
We added a check to validate role query in #46275 and on the same lines,
this commit adds check if the exceptions for the field
permissions is a subset of granted fields when parsing the
index privileges from the role descriptor.
Backport of: #50212
Co-authored-by: Yogesh Gaikwad <bizybot@users.noreply.github.com>
The enterprise license type must have "max_resource_units" and may not
have "max_nodes".
This change adds support for this new field, validation that the field
is present if-and-only-if the license is enterprise and bumps the
license version number to reflect the new field.
Includes a BWC layer to return "max_nodes: ${max_resource_units}" in
the GET license API.
Backport of: #50735
* ILM action to wait for SLM policy execution (#50454)
This change add new ILM action to wait for SLM policy execution to ensure that index has snapshot before deletion.
Closes#45067
* Fix flaky TimeSeriesLifecycleActionsIT#testWaitForSnapshot test
This change adds some randomness and cleanup step to TimeSeriesLifecycleActionsIT#testWaitForSnapshot and testWaitForSnapshotSlmExecutedBefore tests in attempt to make them stable.
Reletes to #50781
* Formatting changes
* Longer timeout
* Fix Map.of in Java8
* Unused import removed
This commit moves the packaging tests for elasticsearch-certgen
to java from bats. Although certgen is deprecated, the tests are
moved rather than just deleted, and the tests themselves should be
easily adaptable to certutil. One note is that the test is simplified to
use a single node, rather than the two node test from bats, which was
problematic given how the newer distro tests only operate with a single
distribution.
relates #46005
* Refresh cached phase policy definition if possible on new policy
There are some cases when updating a policy does not change the
structure in a significant way. In these cases, we can reread the
policy definition for any indices using the updated policy.
This commit adds this refreshing to the `TransportPutLifecycleAction`
to allow this. It allows us to do things like change the configuration
values for a particular step, even when on that step (for example,
changing the rollover criteria while on the `check-rollover-ready` step).
There are more cases where the phase definition can be reread that just
the ones checked here (for example, removing an action that has already
been passed), and those will be added in subsequent work.
Relates to #48431
* SQL: Optimisation fixes for conjunction merges
This commit fixes the following issues around the way comparisions are
merged with ranges in conjunctions:
* the decision to include the equality of the lower limit is corrected;
* the selection of the upper limit is corrected to use the upper bound
of the range;
* the list of terms in the conjunction is sorted to have the ranges at
the bottom; this allows subsequent binary comarisions to find compatible
ranges and potentially be merged away. The end guarantee being that the
optimisation takes place irrespective of the order of the conjunction
terms in the statement.
Some comments are also corrected.
* adress review observation on anon. comparator
Replace anonymous comparator of split AND Expressions with a lambda.
(cherry picked from commit 9828cb143a41f1bda1219541f3a8fdc03bf6dd14)
This commit adds retries for windows cleanup after tests, which may fail
due to file locks not being immediately released after a windows process
exits.
closes#50825
This commit improves the performance of warning value extraction in the
low-level REST client, and is similar to the approach taken in
#24114. There are some differences since the low-level REST client might
be connected to Elasticsearch through a proxy that injects its own
warnings.
This commit changes the default behavior for
xpack.security.ssl.diagnose.trust when running in a FIPS 140 JVM.
More specifically, when xpack.security.fips_mode.enabled is true:
- If xpack.security.ssl.diagnose.trust is not explicitly set, the
default value of it becomes false and a log message is printed
on info level, notifying of the fact that the TLS/SSL diagnostic
messages are not enabled when in a FIPS 140 JVM.
- If xpack.security.ssl.diagnose.trust is explicitly set, the value of
it is honored, even in FIPS mode.
This is relevant only for 7.x where we support Java 8 in which
SunJSSE can still be used as a FIPS 140 provider for TLS. SunJSSE
in FIPS mode, disallows the use of other TrustManager implementations
than the one shipped with SunJSSE.
Follow up to #50692 that starts writing a `min_version` field to
the `RepositoryData` so that pre-7.6 ES versions can not read it
(and potentially corrupt it if they attempt to modify the repo contents)
after the repository moved to the new metadata format.
The system created and models we provide now use the `_xpack` user for uniformity with our other features
The `PUT` action is now an admin cluster action
And XPackClient class now references the action instance.
Hide the `.async-search-*` in Security by making it a restricted index namespace.
The namespace is hard-coded.
To grant privileges on restricted indices, one must explicitly toggle the
`allow_restricted_indices` flag in the indices permission in the role definition.
As is the case with any other index, if a certain user lacks all permissions for an
index, that index is effectively nonexistent for that user.
When deserializing time zones in the Rounding classes we used to include a tiny
normalization step via `DateUtils.of(in.readString())` that was lost in #50609.
Its at least necessary for some tests, e.g. the cause of #50827 is that when
sending the default time zone ZoneOffset.UTC on a stream pre 7.0 we convert it
to a "UTC" string id via `DateUtils.zoneIdToDateTimeZone`. This gets then read
back as a UTC ZoneRegion, which should behave the same but fails the equality
tests in our serialization tests. Reverting to the previous behaviour with an
additional normalization step on 7.x.
Co-authored-by: Nik Everett <nik9000@gmail.com>
Closes#50827
The OpenIdConnectRealm had a bug which would cause it not to populate
User metadata for collections contained in the user JWT claims.
This commit fixes that bug.
Backport of: #50521
* [ML][Inference] PUT API (#50852)
This adds the `PUT` API for creating trained models that support our format.
This includes
* HLRC change for the API
* API creation
* Validations of model format and call
* fixing backport
Today we make multiple attempts to corrupt the translog header in
`TranslogHeaderTests#testCurrentHeaderVersion`, but if we are extraordinarily
unlucky then this sequence of corruptions may restore the file to its original
state. This change adjusts the test to only corrupt the file once, which is
certain not to leave the file in its original state.
The test checked queue size and active count, however,
ThreadPoolExecutor pulls out the request from the queue before marking
the worker active, risking that we think all tasks are done when they
are not. Now check on completed-tasks metric instead, which is
guaranteed to be monotonic.
Relates #50769
Today we periodically check the indexing buffer memory every 5 seconds
or after we have used 1/30 of the configured memory. If the total used
memory is over the threshold, then we refresh the "largest" shards. If
refreshing takes longer these intervals (i.e., 5s or 1/30 buffer), then
we continue to enqueue refreshes to these shards. This leads to two
issues:
- The refresh thread pool can be exhausted and other shards can't refresh
- Execute too many refreshes for the "largest" shards
With this change, we only refresh the largest shards if they are not refreshing.
Here we rely on the periodic check to trigger another refresh if needed. We can
harden this by making the ongoing refresh triggers the memory check when
it's completed. I opted out this option in this PR for simplicity.
See: https://discuss.elastic.co/t/write-queue-continue-to-rise/213652/
* Fix SLM check for restore in progress (#50868)
* Fix SLM check for restore in progress
This commit fixes the check in SLM where the `RestoreInProgress`
metadata was checked for existence. Rather than check existence we
should instead check the `isEmpty` method. Prior to this, a successful
restore for a repository that used SLM retention would prevent SLM
retention from running in subsequent invocations, due to SLM thinking
that a restore was still running.
* Fix 7.x-isms
When a composite aggregation is reduced using the results from an
index that has one of the fields unmapped we were throwing away the
formatter. This is mildly annoying, except in the case of IP addresses
which were coming out as non-utf-8-characters. And tripping assertions.
This carefully preserves the formatter from the working bucket.
Closes#50600
Alan Woodward
Dimitris Athanasiou
Hendrik Muhs
Yannick Welsch
Przemysław Witek
James Rodewig
David Kyle
Florian Kelbert
Daniel Mitterdorfer
Tim Vernum
Tim Brooks
Nhat Nguyen
Przemko Robakowski
Peter Dyson
Ryan Ernst
Lee Hinman
Lisa Cawley
Bogdan Pintea
Mark Vieira
Darren Foong
Ioannis Kakavas
junmuz
Armin Braun
Larry Gregory
Benjamin Trent
Albert Zaharovits
Christoph Büscher
David Turner
Henning Andersen
Nik Everett
Julie Tibshirani