Alex Sorokoumov

WIP: KAFKA-12549 Prototype for transactional state stores

2

[KIP-844 Transactional state stores](https://cwiki.apache.org/confluence/display/KAFKA/WIP%3A+KIP-844%3A+Transactional+State+Stores) *Summary of testing strategy (including rationale) for the feature or bug fix. Unit and/or integration tests are expected for any behaviour change and system tests should...

Right now if the allocation failed before starting (e.g. docker driver could not pull the image) users have no way to find out what actually happened. Two suggestions on how...

Error messages should stick to the top

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Currently navigation bar and error messages are visible only at the top of the page. In case you create a new instance in the middle of the page and you...

Add support for PostgreSQL

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Thank you for opensourcing hunter! This PR adds support to using PostgreSQL as a data source for benchmark results. See the usage example below. Configuration: ```yaml postgres: hostname: ${POSTGRES_HOST} port:...

WIP: Increase http client's max chunk size

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### Description _What behavior do you want to change, why, how does your patch achieve the changes?_ ### Testing done _Describe the testing strategy. Unit and integration tests are expected...

While working on #133 I checked `Check.hasNumRows` type signature and was curious why it is `expected: Column => Column`. Wouldn't it be simpler to use `Long => Boolean` or something...

``` $ sbt clean assembly [info] Loading project definition from /Users/gerrrr/Work/ddq/project [info] Updating {file:/Users/gerrrr/Work/ddq/project/}ddq-build... [info] Resolving org.fusesource.jansi#jansi;1.4 ... [info] Done updating. /Users/gerrrr/Work/ddq/build.sbt:39: warning: `