This is a documentation-only patch discussed on the mailing list. The
intent is to have these changes propagated to the protocol wiki
(https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol) .
Author: Dana Powers <dana.powers@gmail.com>
Reviewers: Grant Henke <granthenke@gmail.com>, Ismael Juma <ismael@juma.me.uk>
Closes#918 from dpkp/produce_response_errors
`FileChannel.read` may not fill the destination buffer even if there
are enough bytes in the channel to do so. Add a couple of utility
methods that ensure this and use them from all the relevant places.
Author: huxi <huxi@zhenrongbao.com>
Author: amethystic <huxi_2b@hotmail.com>
Author: Ismael Juma <ismael@juma.me.uk>
Reviewers: Jun Rao <junrao@gmail.com>, Jason Gustafson <jason@confluent.io>, Ismael Juma <ismael@juma.me.uk>
Closes#2304 from amethystic/kafka4576_FileChannel_read
1. In StreamThread, always use subscribe(Pattern, ..) function in order to avoid sending MetadataRequest with specific topic names and cause brokers to possibly auto-create subscribed topics; the pattern is generated as "topic-1|topic-2..|topic-n".
2. In ConsumerCoordinator, let the leader to refresh its metadata if the generated assignment contains some topics that is not contained in the subscribed topics; also in SubscriptionState, modified the verification for regex subscription to against the regex pattern instead of the matched topics since the returned assignment may contain some topics not yet created when joining the group but existed after the rebalance; also modified some unit tests in `KafkaConsumerTest` to accommodate the above changes.
3. Minor cleanup: changed String[] to List<String> to avoid overloaded functions.
4. Minor cleanup: enforced strong typing in SinkNodeFactory and removed unnecessary unchecked tags.
5. Minor cleanup: augmented unit test error message and fixed a potential transient failure in KafkaStreamTest.
Author: Guozhang Wang <wangguoz@gmail.com>
Reviewers: Damian Guy <damian.guy@gmail.com>, Matthias J. Sax <matthias@confluent.io>, Jason Gustafson <jason@confluent.io>
Closes#2379 from guozhangwang/K4633-regex-pattern
Author: Colin P. Mccabe <cmccabe@confluent.io>
Reviewers: Ewen Cheslack-Postava <ewen@confluent.io>, Apurva Mehta <apurva.1618@gmail.com>, Ismael Juma <ismael@juma.me.uk>
Closes#2184 from cmccabe/KAFKA-4457
1. Added javadoc to public classes
2. Removed `s` from config name for consistency with interface name
3. The policy interface now implements Configurable and AutoCloseable as per the KIP
4. Use `null` instead of `-1` in `RequestMetadata`
5. Perform all broker validation before invoking the policy
6. Add tests
Author: Ismael Juma <ismael@juma.me.uk>
Reviewers: Jason Gustafson <jason@confluent.io>
Closes#2388 from ijuma/create-topic-policy-docs-and-config-name-change
Author: Jason Gustafson <jason@confluent.io>
Reviewers: Vahid Hashemian <vahidhashemian@us.ibm.com>, Ismael Juma <ismael@juma.me.uk>
Closes#2383 from hachikuji/minor-cleanup-kip-88
Author: Jason Gustafson <jason@confluent.io>
Reviewers: Ewen Cheslack-Postava <ewen@confluent.io>, Ismael Juma <ismael@juma.me.uk>
Closes#2384 from hachikuji/KAFKA-4622
Author: Vahid Hashemian <vahidhashemian@us.ibm.com>
Reviewers: Ismael Juma <ismael@juma.me.uk>, Ewen Cheslack-Postava <ewen@confluent.io>, Jason Gustafson <jason@confluent.io>
Closes#2074 from vahidhashemian/KAFKA-3853
Author: Ismael Juma <ismael@juma.me.uk>
Reviewers: Gwen Shapira <cshapi@gmail.com>, Jason Gustafson <jason@confluent.io>
Closes#2354 from ijuma/kafka-4565-separation-of-internal-and-external-traffic
Validate and fail client connection if multiple login modules are specified in sasl.jaas.config to avoid harder-to-debug authentication failures later on.
Author: Rajini Sivaram <rajinisivaram@googlemail.com>
Reviewers: Ismael Juma <ismael@juma.me.uk>
Closes#2356 from rajinisivaram/KAFKA-4581
Author: Jason Gustafson <jason@confluent.io>
Reviewers: Rajini Sivaram <rajinisivaram@googlemail.com>, Ismael Juma <ismael@juma.me.uk>
Closes#2348 from hachikuji/minor-cleanup-for-kip-102
Besides API and runtime changes, this PR also includes 2 data transformations (`InsertField`, `HoistToStruct`) and 1 routing transformation (`TimestampRouter`).
There is some gnarliness in `ConnectorConfig` / `ConfigDef` around creating, parsing and validating a dynamic `ConfigDef`.
Author: Shikhar Bhushan <shikhar@confluent.io>
Reviewers: Ewen Cheslack-Postava <ewen@confluent.io>
Closes#2299 from shikhar/smt-2017
Changed caching in LoginManager to allow one LoginManager per client
JAAS configuration.
Added test to End2EndAuthorization for SASL Plain and GSSAPI with two
consumers with different credentials.
Developed with mimaison.
Author: Edoardo Comar <ecomar@uk.ibm.com>
Reviewers: Rajini Sivaram <rajinisivaram@googlemail.com>, Ismael Juma <ismael@juma.me.uk>
Closes#2293 from edoardocomar/KAFKA-4180d
Kafka Streams: add granular metrics per node and per task, also expose ability to register non latency metrics in StreamsMetrics
Also added different recording levels to Metrics.
This is joint contribution from Eno Thereska and Aarti Gupta.
from https://github.com/apache/kafka/pull/1362#issuecomment-218326690-------
We can consider adding metrics for process / punctuate / commit rate at the granularity of each processor node in addition to the global rate mentioned above. This is very helpful in debugging.
We can consider adding rate / total cumulated metrics for context.forward indicating how many records were forwarded downstream from this processor node as well. This is helpful in debugging.
We can consider adding metrics for each stream partition timestamp.
This is helpful in debugging.
## Besides the latency metrics, we can also add throughput latency in terms of source records consumed.
More discussions here https://issues.apache.org/jira/browse/KAFKA-3715, KIP-104, KIP-105
Author: Eno Thereska <eno@confluent.io>
Author: Aarti Gupta <aartiguptaa@gmail.com>
Reviewers: Greg Fodor, Ismael Juma, Damian Guy, Guozhang Wang
Closes#1446 from aartigupta/trunk
The client should send older versions of requests to the broker if necessary.
Author: Colin P. Mccabe <cmccabe@confluent.io>
Reviewers: Jason Gustafson <jason@confluent.io>, Jun Rao <junrao@gmail.com>, Ismael Juma <ismael@juma.me.uk>
Closes#2264 from cmccabe/KAFKA-4507
Author: yaojuncn <yaojuncn@users.noreply.github.com>
Reviewers: Guozhang Wang <wangguoz@gmail.com>, Vahid Hashemian <vahidhashemian@us.ibm.com>, Konstantin <konstantin@tubemogul.com>, Ismael Juma <ismael@juma.me.uk>, Ewen Cheslack-Postava <ewen@confluent.io>
Closes#2128 from yaojuncn/KAFKA-4402-client-producer-round-robin-fix
Removed the extra ',' character while printing the replicas / in-sync replicas
array.
Author: Kamal <kamal@nmsworks.co.in>
Reviewers: Ismael Juma <ismael@juma.me.uk>
Closes#2306 from Kamal15/trunk
ProducerConfig calls AbstractConfig.init where does the logs. KafkaProducer init will inovoke ProducerConfig.init twice that leads to logging twice.
Author: huxi <huxi@zhenrongbao.com>
Reviewers: Ismael Juma <ismael@juma.me.uk>
Closes#2307 from amethystic/kafka-4434_Kafkaproducer_log_twice
Jason recently cleaned things up significantly by consolidating the Message/Record classes
into the common Java code in the clients module. While reviewing that, I noticed a few things
that could be improved a little more. To make reviewing easier, there will be multiple PRs.
Author: Ismael Juma <ismael@juma.me.uk>
Reviewers: Ewen Cheslack-Postava <me@ewencp.org>, Jason Gustafson <jason@confluent.io>
Closes#2271 from ijuma/records-minor-fixes
Author: Dong Lin <lindong28@gmail.com>
Reviewers: Ewen Cheslack-Postava <me@ewencp.org>, Jason Gustafson <jason@confluent.io>
Closes#2155 from lindong28/KAFKA-4429
The original Javadoc description for `ConsumerRecord` is slightly confusing in that it can be read in a way such that an object is a key value pair received from Kafka, but (only) consists of the metadata associated with the record. This PR makes it clearer that the metadata is _included_ with the record, and moves the comma so that the phrase "topic name and partition number" in the sentence is more closely associated with the phrase "from which the record is being received".
Author: LoneRifle <LoneRifle@users.noreply.github.com>
Reviewers: Ismael Juma <ismael@juma.me.uk>, Ewen Cheslack-Postava <ewen@confluent.io>
Closes#2290 from LoneRifle/patch-1
Author: MURAKAMI Masahiko <fossamagna2@gmail.com>
Reviewers: Jun Rao <junrao@gmail.com>, Ismael Juma <ismael@juma.me.uk>
Closes#2265 from fossamagna/fix-lz4outputstream-close
This was changed in b58b6a1bef0 and caused the `ReplicaVerificationToolTest.test_replica_lags`
system test to start failing.
I also added a unit test and a couple of other minor clean-ups.
Author: Ismael Juma <ismael@juma.me.uk>
Reviewers: Jason Gustafson <jason@confluent.io>
Closes#2280 from ijuma/kafka-4554-fix-replica-buffer-verify-checksum
In case of file record truncation during write due to improper types usage
(`AtomicInteger` in place of `int`) `IllegalFormatConversionException` would
be thrown instead of `KafkaException`
Author: Kamil Szymanski <kamil.szymanski.dev@gmail.com>
Reviewers: Ismael Juma <ismael@juma.me.uk>
Closes#2275 from kamilszymanski/file_record_truncation_during_write
Author: Ashish Singh <asingh@cloudera.com>
Reviewers: Jason Gustafson <jason@confluent.io>, Colin P. Mccabe <cmccabe@confluent.io>, Dana Powers <dana.powers@gmail.com>, Gwen Shapira <cshapi@gmail.com>, Grant Henke <granthenke@gmail.com>, Ismael Juma <ismael@juma.me.uk>
Closes#1251 from SinghAsDev/KAFKA-3600
The latter return `Iterable` instead of `Iterator` so that enhanced foreach can be used
in Java.
Author: Ismael Juma <ismael@juma.me.uk>
Reviewers: Jason Gustafson <jason@confluent.io>
Closes#2261 from ijuma/deepEntries-shallowEntries
Tasks that don't have any `StateStore`s wont have a `StandbyTask`, so `createStandbyTask` can return `null`. We need to check for this in `StandbyTaskCreator.createTask(...)`
Also, the checkpointed offsets for `StandbyTask`s are never loaded.
Author: Damian Guy <damian.guy@gmail.com>
Reviewers: Eno Thereska, Matthias J. Sax, Guozhang Wang
Closes#2255 from dguy/kafka-4539
Fix OffsetIndex overflow when replicating a highly compacted topic.
https://issues.apache.org/jira/browse/KAFKA-4451
Author: Michael Schiff <schiff.michael@gmail.com>
Author: Michael Schiff <michael.schiff@tubemogul.com>
Reviewers: Jun Rao <junrao@gmail.com>
Closes#2210 from michaelschiff/bug/4451
Author: Jason Gustafson <jason@confluent.io>
Reviewers: Ismael Juma <ismael@juma.me.uk>, Guozhang Wang <wangguoz@gmail.com>, Jun Rao <junrao@gmail.com>
Closes#2140 from hachikuji/KAFKA4390
Author: Eno Thereska <eno.thereska@gmail.com>
Reviewers: Ismael Juma <ismael@juma.me.uk>, Jason Gustafson <jason@confluent.io>
Closes#2193 from enothereska/KAFKA-4405-prefetch
Improve consumer metric collection by collecting and recording metrics per topic.
Author: Vahid Hashemian <vahidhashemian@us.ibm.com>
Reviewers: Jason Gustafson <jason@confluent.io>
Closes#1684 from vahidhashemian/KAFKA-4000
Collecting socket server metrics during shutdown may throw NullPointerException
Author: Xavier Léauté <xavier@confluent.io>
Reviewers: Ismael Juma <ismael@juma.me.uk>
Closes#2221 from xvrl/fix-metrics-npe-on-shutdown
Also:
* Make all implementations of `Time` thread-safe as they are accessed from multiple threads in some cases.
* Change default implementation of `MockTime` to use two separate variables for `nanoTime` and `currentTimeMillis` as they have different `origins`.
Author: Ismael Juma <ismael@juma.me.uk>
Reviewers: Ewen Cheslack-Postava <ewen@confluent.io>, Shikhar Bhushan <shikhar@confluent.io>, Jason Gustafson <jason@confluent.io>, Eno Thereska <eno.thereska@gmail.com>, Damian Guy <damian.guy@gmail.com>
Closes#2095 from ijuma/kafka-2247-consolidate-time-interfaces
Author: Jason Gustafson <jason@confluent.io>
Reviewers: Ismael Juma <ismael@juma.me.uk>, Guozhang Wang <wangguoz@gmail.com>
Closes#2190 from hachikuji/KAFKA-4469
Dana Powers
huxi
Guozhang Wang
Vahid Hashemian
Colin P. Mccabe
Ismael Juma
Jason Gustafson
Jiangjie Qin
Rajini Sivaram
Shikhar Bhushan
Edoardo Comar
Eno Thereska
yaojuncn
Kamal
Dong Lin
LoneRifle
MURAKAMI Masahiko
Rekha Joshi
Kamil Szymanski
Ashish Singh
Damian Guy
Michael Schiff
Eno Thereska
Stig Rohde Døssing
Jeff Widman
Xavier Léauté