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https://issues.apache.org/jira/browse/KYLIN-4813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17235910#comment-17235910
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ASF GitHub Bot commented on KYLIN-4813:
---------------------------------------
hit-lacus commented on a change in pull request #1481:
URL: https://github.com/apache/kylin/pull/1481#discussion_r527427654
##########
File path: build/conf/spark-executor-log4j.properties
##########
@@ -0,0 +1,46 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# It's called spark-executor-log4j.properties so that it won't distract users
from the other more important log4j config file: kylin-server-log4j.properties
+# enable this by -Dlog4j.configuration=spark-executor-log4j.properties
+log4j.rootLogger=INFO,stderr,hdfs
+
+log4j.appender.stderr=org.apache.log4j.ConsoleAppender
+log4j.appender.stderr.layout=org.apache.kylin.common.logging.SensitivePatternLayout
+log4j.appender.stderr.target=System.err
+#Don't add line number (%L) as it's too costly!
+log4j.appender.stderr.layout.ConversionPattern=%d{ISO8601} %-5p [%t] %c{2} :
%m%n
+
+
+log4j.appender.hdfs=org.apache.kylin.engine.spark.common.logging.SparkExecutorHdfsLogAppender
+
+log4j.appender.hdfs.hdfsWorkingDir=${kylin.hdfs.working.dir}
+log4j.appender.hdfs.metadataIdentifier=${kylin.metadata.identifier}
+log4j.appender.hdfs.category=${kylin.spark.category}
+log4j.appender.hdfs.identifier=${kylin.spark.identifier}
+log4j.appender.hdfs.jobName=${kylin.spark.jobName}
+log4j.appender.hdfs.project=${kylin.spark.project}
+
+log4j.appender.hdfs.rollingPeriod=5
+log4j.appender.hdfs.logQueueCapacity=5000
+#flushPeriod count as millis
+log4j.appender.hdfs.flushInterval=5000
+
+log4j.appender.hdfs.layout=org.apache.kylin.engine.spark.common.logging.SensitivePatternLayout
Review comment:
Should be `org.apache.kylin.common.logging.SensitivePatternLayout` .
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> Refine spark logger for Kylin 4 build engine
> --------------------------------------------
>
> Key: KYLIN-4813
> URL: https://issues.apache.org/jira/browse/KYLIN-4813
> Project: Kylin
> Issue Type: Improvement
> Affects Versions: v4.0.0-alpha
> Reporter: Xiaoxiang Yu
> Assignee: Yaqian Zhang
> Priority: Major
> Fix For: v4.0.0-beta
>
>
> - Separate spark log from kylin log
> - Store driver/executor log into HDFS.
> - Provided a API to view driver log.
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