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ClickHouse® is a real-time analytics DBMS
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Azat Khuzhin 2f9a7cba8a Fix stack-use-after-scope in KafkaProducer::produce() 
ASan report:

    ==1==ERROR: AddressSanitizer: stack-use-after-scope on address 0x7f7540186b20 at pc 0x55656ef458ad bp 0x7f754114acf0 sp 0x7f754114a4b8
    READ of size 2 at 0x7f7540186b20 thread T2 (TCPHandler)
        0 0x55656ef458ac in __asan_memcpy (/usr/bin/clickhouse+0x11b028ac) (BuildId: 6ba63057df561f6dc16fb8fd7623fd858bf327d1)
        1 0x55659f62daf8 in rd_kafka_msg_new00 build_docker/./contrib/librdkafka/src/rdkafka_msg.c:192:3
        2 0x55659f62daf8 in rd_kafka_msg_new0 build_docker/./contrib/librdkafka/src/rdkafka_msg.c:257:8
        3 0x55659f630635 in rd_kafka_producev build_docker/./contrib/librdkafka/src/rdkafka_msg.c:642:23
        4 0x55659f4a865c in cppkafka::Producer::do_produce() build_docker/./contrib/cppkafka/src/producer.cpp:128:19
        5 0x55659f4a8306 in cppkafka::Producer::produce() build_docker/./contrib/cppkafka/src/producer.cpp:69:5
        6 0x5565961e748c in DB::KafkaProducer::produce() build_docker/./src/Storages/Kafka/KafkaProducer.cpp:70:23
        7 0x5565962155b2 in DB::MessageQueueSink::consume(DB::Chunk) build_docker/./src/Storages/MessageQueueSink.cpp:64:23
        8 0x5565980b9e8e in DB::SinkToStorage::onConsume(DB::Chunk) build_docker/./src/Processors/Sinks/SinkToStorage.cpp:18:5

Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
2023-05-10 12:15:17 +02:00
.github Merge remote-tracking branch 'u/master' into build/llvm-16 2023-05-08 22:33:52 +02:00
base Fix one-off error found by UBSan 2023-05-08 04:08:13 +02:00
benchmark Remove old file 2022-07-12 20:28:02 +02:00
cmake Get back -fno-sanitize-address-use-after-scope quirk for llvm/clang-15 2023-05-09 20:35:43 +02:00
contrib resolved conflict with master 2023-05-08 16:46:27 -04:00
docker Merge remote-tracking branch 'u/master' into build/llvm-16 2023-05-09 20:40:43 +02:00
docs Merge remote-tracking branch 'u/master' into build/llvm-16 2023-05-09 20:40:43 +02:00
packages Revert "Added tests for ClickHouse apps help and fixed help issues" 2023-04-21 01:54:34 +03:00
programs Merge pull request #48787 from ClickHouse/background-memory-tracker 2023-05-09 07:58:36 +03:00
rust Improve performance of BLAKE3 by 11% by enabling LTO for Rust 2023-05-06 22:28:56 +02:00
src Fix stack-use-after-scope in KafkaProducer::produce() 2023-05-10 12:15:17 +02:00
tests Fix 02417_opentelemetry_insert_on_distributed_table (wrong sed was used) 2023-05-10 09:20:37 +02:00
utils Merge pull request #49620 from ClickHouse/rs/utils-not-by-default 2023-05-08 06:18:50 +03:00
.clang-format remove duplicate indentwith 2023-04-19 00:05:52 +08:00
.clang-tidy Disable misc-use-anonymous-namespace check in clang-tidy 2023-05-09 20:43:52 +02:00
.editorconfig Changed tabs to spaces in editor configs and in style guide [#CLICKHOUSE-3]. 2017-04-01 11:35:09 +03:00
.exrc Fix vim settings (wrong group for autocmd) 2022-12-03 21:23:24 +01:00
.git-blame-ignore-revs Add files with revision to ignore for git blame 2022-09-13 23:05:56 +02:00
.gitattributes Ignore core.autocrlf for tests references 2022-10-05 09:13:27 +02:00
.gitignore Fix flakiness of expect tests for clickhouse-client by avoiding history overlap 2023-02-20 09:51:08 +01:00
.gitmodules refine content of cmake for qpl 2023-05-08 16:43:37 -04:00
.pylintrc Cover deprecated bad-* pylint options with black 2022-06-08 14:18:28 +02:00
.snyk Add exclusions from the Snyk scan 2022-10-31 17:47:02 +01:00
.yamllint Drop truthy.check-keys from yamllint (does not supported on CI) 2021-02-21 06:15:36 +03:00
AUTHORS Update AUTHORS 2021-09-22 11:38:03 +03:00
CHANGELOG.md Release 23.4 is not LTS 2023-04-27 11:22:11 +02:00
CMakeLists.txt Remove removed in clang 16 -fexperimental-new-pass-manager 2023-05-09 12:22:14 +02:00
CODE_OF_CONDUCT.md Add minimal code of conduct #9676 2020-03-16 12:44:28 +03:00
CONTRIBUTING.md Mention ClickHouse CLA in CONTRIBUTING.md (#32697) 2021-12-14 03:47:19 +03:00
format_sources allow several <graphite> targets (#603) 2017-03-21 23:08:09 +04:00
LICENSE Update LICENSE 2023-01-02 00:35:32 +01:00
PreLoad.cmake CMake cleanup: Remove configuration of CMAKE_SHARED_LINKER_FLAGS 2023-03-26 17:59:39 +00:00
README.md Update README.md 2023-04-21 13:45:24 +02:00
SECURITY.md Regenerate SECURITY.md to shorten it 2023-05-03 19:25:28 +02:00

README.md

ClickHouse — open source distributed column-oriented DBMS

ClickHouse® is an open-source column-oriented database management system that allows generating analytical data reports in real-time.

How To Install (Linux, macOS, FreeBSD)

curl https://clickhouse.com/ | sh

Useful Links

  • Official website has a quick high-level overview of ClickHouse on the main page.
  • ClickHouse Cloud ClickHouse as a service, built by the creators and maintainers.
  • Tutorial shows how to set up and query a small ClickHouse cluster.
  • Documentation provides more in-depth information.
  • YouTube channel has a lot of content about ClickHouse in video format.
  • Slack and Telegram allow chatting with ClickHouse users in real-time.
  • Blog contains various ClickHouse-related articles, as well as announcements and reports about events.
  • Code Browser (Woboq) with syntax highlight and navigation.
  • Code Browser (github.dev) with syntax highlight, powered by github.dev.
  • Contacts can help to get your questions answered if there are any.

Upcoming Events

  • ClickHouse Spring Meetup in Manhattan - April 26 - It's spring, and it's time to meet again in the city! Talks include: "Building a domain specific query language on top of Clickhouse", "A Galaxy of Information", "Our Journey to ClickHouse Cloud from Redshift", and a ClickHouse update!
  • v23.4 Release Webinar - April 26 - 23.4 is rapidly approaching. Original creator, co-founder, and CTO of ClickHouse Alexey Milovidov will walk us through the highlights of the release.
  • ClickHouse Meetup in Berlin - May 16 - Save the date! ClickHouse is coming back to Berlin. We’re excited to announce an upcoming ClickHouse Meetup that you won’t want to miss. Join us as we gather together to discuss the latest in the world of ClickHouse and share user stories.

Recent Recordings

  • Recent Meetup Videos: Meetup Playlist Whenever possible recordings of the ClickHouse Community Meetups are edited and presented as individual talks. Current featuring "Modern SQL in 2023", "Fast, Concurrent, and Consistent Asynchronous INSERTS in ClickHouse", and "Full-Text Indices: Design and Experiments"
  • Recording available: v23.3 Release Webinar UNDROP TABLE, server settings introspection, nested dynamic disks, MySQL compatibility, parseDate Time, Lightweight Deletes, Parallel Replicas, integrations updates, and so much more! Watch it now!
  • All release webinar recordings: YouTube playlist