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https://issues.apache.org/jira/browse/HBASE-6201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13396347#comment-13396347
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Enis Soztutar commented on HBASE-6201:
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bq. Are you saying that you would like the tests themeselves to get involved in
the lifecycle of each service? Like bringing them up and down, etc?
Yes. At the current state, most of our unit tests, which are candidates to be
upgraded to be system tests does start a mini-cluster of n-nodes, load some
data, kill a few nodes, verify, etc. We are converting/reimplementing them to
do the same things on the actual cluster. A particular test case, for example,
starts 4 region servers, put some data, kills 1 RS, checks whether the regions
are balanced, kills one more, checks agains, etc.
Some basic functionality we can use from itest are:
- Starting / stopping / sending a signal to daemons (start a region server on
host1, kill master on host2, etc). For both HBase and Hadoop processes.
- Basic cluster/node discovery (give me the nodes running hmaster)
- Run this command on host3 (SSH)
> HBase integration/system tests
> ------------------------------
>
> Key: HBASE-6201
> URL: https://issues.apache.org/jira/browse/HBASE-6201
> Project: HBase
> Issue Type: Bug
> Components: test
> Affects Versions: 0.96.0
> Reporter: Enis Soztutar
> Assignee: Enis Soztutar
>
> Integration and general system tests have been discussed previously, and the
> conclusion is that we need to unify how we do "release candidate" testing
> (HBASE-6091).
> In this issue, I would like to discuss and agree on a general plan, and open
> subtickets for execution so that we can carry out most of the tests in
> HBASE-6091 automatically.
> Initially, here is what I have in mind:
> 1. Create hbase-it (or hbase-tests) containing forward port of HBASE-4454
> (without any tests). This will allow integration test to be run with
> {code}
> mvn verify
> {code}
> 2. Add ability to run all integration/system tests on a given cluster. Smt
> like:
> {code}
> mvn verify -Dconf=/etc/hbase/conf/
> {code}
> should run the test suite on the given cluster. (Right now we can launch some
> of the tests (TestAcidGuarantees) from command line). Most of the system
> tests will be client side, and interface with the cluster through public
> APIs. We need a tool on top of MiniHBaseCluster or improve
> HBaseTestingUtility, so that tests can interface with the mini cluster or the
> actual cluster uniformly.
> 3. Port candidate unit tests to the integration tests module. Some of the
> candidates are:
> - TestAcidGuarantees / TestAtomicOperation
> - TestRegionBalancing (HBASE-6053)
> - TestFullLogReconstruction
> - TestMasterFailover
> - TestImportExport
> - TestMultiVersions / TestKeepDeletes
> - TestFromClientSide
> - TestShell and src/test/ruby
> - TestRollingRestart
> - Test**OnCluster
> - Balancer tests
> These tests should continue to be run as unit tests w/o any change in
> semantics. However, given an actual cluster, they should use that, instead of
> spinning a mini cluster.
> 4. Add more tests, especially, long running ingestion tests (goraci, BigTop's
> TestLoadAndVerify, LoadTestTool), and chaos monkey style fault tests.
> All suggestions welcome.
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