[GitHub] spark pull request #19717: [SPARK-22646] [Submission] Spark on Kubernetes - ...

[echarles <gi...@git.apache.org>]

Github user echarles commented on a diff in the pull request:

    https://github.com/apache/spark/pull/19717#discussion_r159282180
  
    --- Diff: resource-managers/kubernetes/docker/src/main/dockerfiles/spark-base/Dockerfile ---
    @@ -0,0 +1,47 @@
    +#
    +# 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.
    +#
    +
    +FROM openjdk:8-alpine
    --- End diff --
    
    @yangw1234 Adding `libc6-compat` on the spark-k8s base image works for me. I read and write parquet without issue. May be you had it only on the 'driver` image or made other changes that override the correct behavior (just random guess...)?


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