This test fails several times due to timeout when asserting the number
of docs on the following and leading indices. This change reduces
the number of docs to index and increases the timeout.
These response classes did not add any value and in that case just AcknowledgedResponse should be used.
I also changed the formatting of methods to take one line per parameter in
FollowIndexAction.java and UnfollowIndexAction.java files to make
reviewing diffs in the future easier.
This commit makes primary-replica resyncer use Lucene as the source of
history operation instead of translog if soft-deletes is enabled. With
this change, we no longer expose translog snapshot directly in IndexShard.
Relates #29530
These were broken when fetch exceptions were introduced to the status
object but equals and hash code were not updated then. This commit
addresses that.
Today we fetch the mapping from the leader and apply it as a mapping
update whenever the index metadata version on the leader changes. Yet,
the index metadata can change for many reasons other than a mapping
update (e.g., settings updates, adding an alias, or a replica being
promoted to a primary among many other reasons). This commit builds on
the addition of a mapping version to the index metadata to only fetch
mapping updates when the mapping version increases. This reduces the
number of these fetches and application of mappings on the follower to
the bare minimum.
* master:
Adjust BWC version on mapping version
Token API supports the client_credentials grant (#33106)
Build: forked compiler max memory matches jvmArgs (#33138)
Introduce mapping version to index metadata (#33147)
SQL: Enable aggregations to create a separate bucket for missing values (#32832)
Fix grammar in contributing docs
SECURITY: Fix Compile Error in ReservedRealmTests (#33166)
APM server monitoring (#32515)
Support only string `format` in date, root object & date range (#28117)
[Rollup] Move toBuilders() methods out of rollup config objects (#32585)
Fix forbiddenapis on java 11 (#33116)
Apply publishing to genreate pom (#33094)
Have circuit breaker succeed on unknown mem usage
Do not lose default mapper on metadata updates (#33153)
Fix a mappings update test (#33146)
Reload Secure Settings REST specs & docs (#32990)
Refactor CachingUsernamePassword realm (#32646)
This commit adds tracking and reporting for fetch exceptions. We track
fetch exceptions per fetch, keeping track of up to the maximum number of
concurrent fetches. With each failing fetch, we associate the from
sequence number with the exception that caused the fetch. We report
these in the CCR stats endpoint, and add some testing for this tracking.
Welp, I broke this. I merged a change to auto-discover the CCR QA tests
by making :x-pack:plugin:ccr:check auto-discover the check tasks in the
qa sub-project. Yet, the check tasks for these sub-projects did not
depend on the necessary test tasks (as we were previously doing this
directly from the ccr build file. This commit fixes this!
Today we are by-hand maintaining a list of CCR QA sub-projects that the
check task depends on. This commit simplifies this by finding these
sub-projects automatically and adding their check task as dependencies
of the CCR check task.
This commit implements licensing for CCR. CCR will require a platinum
license, and administrative endpoints will be disabled when a license is
non-compliant.
If a leader index is deleted while there is an active follower, the
follower will send shard changes requests bound for the leader
index. Today this will result in a null pointer exception because there
will not be an index routing table for the index. A null pointer
exception looks like a bug to a user so this commit addresses this by
throwing an index not found exception instead.
For a new feature like CCR we will go without this extra layer of
indirection. This commit replaces all /_xpack/ccr/_(\S+) endpoints by
/_ccr/$1 endpoints.
Today ShardFollowNodeTask might fetch some operations more than once.
This happens because we ask the leading for up to max_batch_count
operations (instead of the left-over size) for the left-over request.
The leading then can freely respond up to the max_batch_count, and at
the same time, if one of the previous requests completed, we might issue
another read request whose range overlaps with the response of the
left-over request.
Closes#32453
Today we do not check if the `following_index` setting of the follower
is enabled or not when processing a follow-request. If that setting is
disabled, the follower will use the default engine, not the following
engine. This change checks and rejects such invalid follow requests.
Relates #30086
Today it's possible to encounter an Index operation in Lucene whose
_source is disabled, and _recovery_source was pruned by the MergePolicy.
If it's the case, we create a Translog#Index without source and let the
caller validate it later. However, this approach is challenging for the
caller.
Deletes and No-Ops don't allow invoking "source()" method. The caller
has to make sure to call "source()" only on index operations. The
current implementation in CCR does not follow this and fail to replica
deletes or no-ops. Moreover, it's easier to reason if a Translog#Index
always has the source.
Today we consider a read request is exhausted if from_seqno is equal to
or greater than the max_required_seqno. However, if we stop when
from_seqno equals to the max_required_seqno, we will miss an operation
whose seqno is max_required_seqno because we have not seen that
operation yet.
We modified the way we calculate to_seqno in #32121 but did not adjust
this test accordingly. If min_seqno equals to max_seqno, the size should be
one instead of zero.
Relates #32121
Normally translog operations will not be replayed on the primary.
Following engine is an exception where we replay translog on both
primary and replica as a non-primary strategy. Even though we won't use
the version_type in the following engine, we still need to pass a valid
value for the primary operation in order not to trip assertions in an
engine.
This commit passes version_type EXTERNAL for translog operation if its
origin is primary.
Relates #31945
The added tests are based on specific scenarios as described in the test plan.
Before this change the ShardFollowNodeTaskTests contained more random like tests,
but these have been removed and in a followup pr better random tests will
be added in a new test class as is described in the test plan.
* master:
Painless: Simplify Naming in Lookup Package (#32177)
Handle missing values in painless (#32207)
add support for write index resolution when creating/updating documents (#31520)
ECS Task IAM profile credentials ignored in repository-s3 plugin (#31864)
Remove indication of future multi-homing support (#32187)
Rest test - allow for snapshots to take 0 milliseconds
Make x-pack-core generate a pom file
Rest HL client: Add put watch action (#32026)
Build: Remove pom generation for plugin zip files (#32180)
Fix comments causing errors with Java 11
Fix rollup on date fields that don't support epoch_millis (#31890)
Detect and prevent configuration that triggers a Gradle bug (#31912)
[test] port linux package packaging tests (#31943)
Revert "Introduce a Hashing Processor (#31087)" (#32178)
Remove empty @return from JavaDoc
Adjust SSLDriver behavior for JDK11 changes (#32145)
[test] use randomized runner in packaging tests (#32109)
Add support for field aliases. (#32172)
Painless: Fix caching bug and clean up addPainlessClass. (#32142)
Call setReferences() on custom referring tokenfilters in _analyze (#32157)
Fix BwC Tests looking for UUID Pre 6.4 (#32158)
Improve docs for search preferences (#32159)
use before instead of onOrBefore
Add more contexts to painless execute api (#30511)
Add EC2 credential test for repository-s3 (#31918)
A replica can be promoted and started in one cluster state update (#32042)
Fix Java 11 javadoc compile problem
Fix CP for namingConventions when gradle home has spaces (#31914)
Fix `range` queries on `_type` field for singe type indices (#31756)
[DOCS] Update TLS on Docker for 6.3 (#32114)
ESIndexLevelReplicationTestCase doesn't support replicated failures but it's good to know what they are
Remove versionType from translog (#31945)
Switch distribution to new style Requests (#30595)
Build: Skip jar tests if jar disabled
Painless: Add PainlessClassBuilder (#32141)
Build: Make additional test deps of check (#32015)
Disable C2 from using AVX-512 on JDK 10 (#32138)
Build: Move shadow customizations into common code (#32014)
Painless: Fix Bug with Duplicate PainlessClasses (#32110)
Remove empty @param from Javadoc
Re-disable packaging tests on suse boxes
Docs: Fix missing example script quote (#32010)
[ML] Wait for aliases in multi-node tests (#32086)
[ML] Move analyzer dependencies out of categorization config (#32123)
Ensure to release translog snapshot in primary-replica resync (#32045)
Handle TokenizerFactory TODOs (#32063)
Relax TermVectors API to work with textual fields other than TextFieldType (#31915)
Updates the build to gradle 4.9 (#32087)
Mute :qa:mixed-cluster indices.stats/10_index/Index - all’
Check that client methods match API defined in the REST spec (#31825)
Enable testing in FIPS140 JVM (#31666)
Fix put mappings java API documentation (#31955)
Add exclusion option to `keep_types` token filter (#32012)
[Test] Modify assert statement for ssl handshake (#32072)
Tests shard follow task in the context of a leader and follower ReplicationGroup,
in order to test how the shard follow logic reacts to certain shard related
failure scenarios.
More tests will need to be added, but this indicates what changes need to be made
to have these tests.
Relates to #30102
The current shard follow mechanism is complex and does not give us easy ways the have visibility into the system (e.g. why we are falling behind).
The main reason why it is complex is because the current design is highly asynchronous. Also in the current model it is hard to apply backpressure
other than reducing the concurrent reads from the leader shard.
This PR has the following changes:
* Rewrote the shard follow task to coordinate the shard follow mechanism between a leader and follow shard in a single threaded manner.
This allows for better unit testing and makes it easier to add stats.
* All write operations read from the shard changes api should be added to a buffer instead of directly sending it to the bulk shard operations api.
This allows to apply backpressure. In this PR there is a limit that controls how many write ops are allowed in the buffer after which no new reads
will be performed until the number of ops is below that limit.
* The shard changes api includes the current global checkpoint on the leader shard copy. This allows reading to be a more self sufficient process;
instead of relying on a background thread to fetch the leader shard's global checkpoint.
* Reading write operations from the leader shard (via shard changes api) is a separate step then writing the write operations (via bulk shards operations api).
Whereas before a read would immediately result into a write.
* The bulk shard operations api returns the local checkpoint on the follow primary shard, to keep the shard follow task up to date with what has been written.
* Moved the shard follow logic that was previously in ShardFollowTasksExecutor to ShardFollowNodeTask.
* Moved over the changes from #31242 to make shard follow mechanism resilient from node and shard failures.
Relates to #30086
Nhat Nguyen
Alpar Torok
Martijn van Groningen
Jason Tedor
Tanguy Leroux