tkuramoto33 opened a new pull request #2336:
URL: https://github.com/apache/hadoop/pull/2336
libzstd1-dev is a transitional package on Ubuntu 18.04. It is better to use
libzstd-dev instead of libzstd1-dev in the Dockerfile
(dev-support/docker/Dockerfile).
I have tested this patch in a docker container, and the results are as
follows:
1. zstd version
```
hadoop@ac937c1afb72:~/hadoop$ sudo apt search libzstd
Sorting... Done
Full Text Search... Done
libzstd-dev/bionic-updates,bionic-security,now 1.3.3+dfsg-2ubuntu1.1 amd64
[installed]
fast lossless compression algorithm -- development files
libzstd1/bionic-updates,bionic-security,now 1.3.3+dfsg-2ubuntu1.1 amd64
[installed]
fast lossless compression algorithm
libzstd1-dev/bionic-updates,bionic-security 1.3.3+dfsg-2ubuntu1.1 amd64
transitional package for libzstd-dev
```
2. Is zstd enabled?
The result of `cd hadoop-common-project/hadoop-common; mvn test
-Dtest=TestZStandard*` is shown below.
```
[INFO] --- maven-surefire-plugin:3.0.0-M1:test (default-test) @
hadoop-common ---
[INFO]
[INFO] -------------------------------------------------------
[INFO] T E S T S
[INFO] -------------------------------------------------------
[INFO] Running
org.apache.hadoop.io.compress.zstd.TestZStandardCompressorDecompressor
[INFO] Tests run: 19, Failures: 0, Errors: 0, Skipped: 0, Time elapsed:
0.467 s - in
org.apache.hadoop.io.compress.zstd.TestZStandardCompressorDecompressor
[INFO]
[INFO] Results:
[INFO]
[INFO] Tests run: 19, Failures: 0, Errors: 0, Skipped: 0
```
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