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HBASE-20397 Make it more explicit that monkey.properties is found on CLASSPATH

This commit is contained in:
Michael Stack 2018-04-12 04:36:36 -07:00
parent d14a7ff187
commit 2912c95355
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2 changed files with 7 additions and 4 deletions
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2
hbase-it/src/test/java/org/apache/hadoop/hbase/IntegrationTestBase.java
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@ -100,7 +100,7 @@ public abstract class IntegrationTestBase extends AbstractHBaseTool {
monkeyProps.load(this.getClass().getClassLoader() monkeyProps.load(this.getClass().getClassLoader()
.getResourceAsStream(chaosMonkeyPropsFile)); .getResourceAsStream(chaosMonkeyPropsFile));
} catch (IOException e) { } catch (IOException e) {
LOG.warn(e.toString(), e); LOG.warn("Failed load of monkey properties {} from CLASSPATH", chaosMonkeyPropsFile, e);
System.exit(EXIT_FAILURE); System.exit(EXIT_FAILURE);
} }
} }

9
src/main/asciidoc/_chapters/developer.adoc
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@ -1465,9 +1465,8 @@ HBase ships with several ChaosMonkey policies, available in the
[[chaos.monkey.properties]] [[chaos.monkey.properties]]
==== Configuring Individual ChaosMonkey Actions ==== Configuring Individual ChaosMonkey Actions
Since HBase version 1.0.0 (link:https://issues.apache.org/jira/browse/HBASE-11348[HBASE-11348]),
ChaosMonkey integration tests can be configured per test run. ChaosMonkey integration tests can be configured per test run.
Create a Java properties file in the HBase classpath and pass it to ChaosMonkey using Create a Java properties file in the HBase CLASSPATH and pass it to ChaosMonkey using
the `-monkeyProps` configuration flag. Configurable properties, along with their default the `-monkeyProps` configuration flag. Configurable properties, along with their default
values if applicable, are listed in the `org.apache.hadoop.hbase.chaos.factories.MonkeyConstants` values if applicable, are listed in the `org.apache.hadoop.hbase.chaos.factories.MonkeyConstants`
class. For properties that have defaults, you can override them by including them class. For properties that have defaults, you can override them by including them
@ -1480,7 +1479,9 @@ The following example uses a properties file called <<monkey.properties,monkey.p
$ bin/hbase org.apache.hadoop.hbase.IntegrationTestIngest -m slowDeterministic -monkeyProps monkey.properties $ bin/hbase org.apache.hadoop.hbase.IntegrationTestIngest -m slowDeterministic -monkeyProps monkey.properties
---- ----
The above command will start the integration tests and chaos monkey passing the properties file _monkey.properties_. The above command will start the integration tests and chaos monkey. It will look for the
properties file _monkey.properties_ on the HBase CLASSPATH; e.g. inside the HBASE _conf_ dir.
Here is an example chaos monkey file: Here is an example chaos monkey file:
[[monkey.properties]] [[monkey.properties]]
@ -1495,6 +1496,8 @@ move.regions.sleep.time=80000
batch.restart.rs.ratio=0.4f batch.restart.rs.ratio=0.4f
---- ----
Periods/time are expressed in milliseconds.
HBase 1.0.2 and newer adds the ability to restart HBase's underlying ZooKeeper quorum or HBase 1.0.2 and newer adds the ability to restart HBase's underlying ZooKeeper quorum or
HDFS nodes. To use these actions, you need to configure some new properties, which HDFS nodes. To use these actions, you need to configure some new properties, which
have no reasonable defaults because they are deployment-specific, in your ChaosMonkey have no reasonable defaults because they are deployment-specific, in your ChaosMonkey