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https://issues.apache.org/jira/browse/BEAM-8564?focusedWorklogId=373222&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-373222
]
ASF GitHub Bot logged work on BEAM-8564:
----------------------------------------
Author: ASF GitHub Bot
Created on: 16/Jan/20 19:24
Start Date: 16/Jan/20 19:24
Worklog Time Spent: 10m
Work Description: lukecwik commented on pull request #10254: [BEAM-8564]
Add LZO compression and decompression support
URL: https://github.com/apache/beam/pull/10254#discussion_r367605058
##########
File path:
sdks/java/core/src/main/java/org/apache/beam/sdk/util/LzoCompressorInputStream.java
##########
@@ -0,0 +1,112 @@
+/*
+ * 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.
+ */
+package org.apache.beam.sdk.util;
+
+import io.airlift.compress.lzo.LzoCodec;
+import java.io.IOException;
+import java.io.InputStream;
+import org.apache.commons.compress.compressors.CompressorInputStream;
+import org.apache.commons.compress.utils.CountingInputStream;
+import org.apache.commons.compress.utils.IOUtils;
+import org.apache.commons.compress.utils.InputStreamStatistics;
+
+/**
+ * {@link CompressorInputStream} implementation to create LZO encoded stream.
Library relies on <a
+ * href="https://github.com/airlift/aircompressor/";>LZO</a>
+ *
+ * @since 1.18
+ */
+public class LzoCompressorInputStream extends CompressorInputStream
Review comment:
A class called LzoCompression in util is fine.
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Issue Time Tracking
-------------------
Worklog Id: (was: 373222)
Time Spent: 7.5h (was: 7h 20m)
> Add LZO compression and decompression support
> ---------------------------------------------
>
> Key: BEAM-8564
> URL: https://issues.apache.org/jira/browse/BEAM-8564
> Project: Beam
> Issue Type: New Feature
> Components: sdk-java-core
> Reporter: Amogh Tiwari
> Assignee: Amogh Tiwari
> Priority: Minor
> Time Spent: 7.5h
> Remaining Estimate: 0h
>
> LZO is a lossless data compression algorithm which is focused on compression
> and decompression speeds.
> This will enable Apache Beam sdk to compress/decompress files using LZO
> compression algorithm.
> This will include the following functionalities:
> # compress() : for compressing files into an LZO archive
> # decompress() : for decompressing files archived using LZO compression
> Appropriate Input and Output stream will also be added to enable working with
> LZO files.
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