arp7 commented on a change in pull request #830: HDDS-1530. Freon support big
files larger than 2GB and add --bufferSize and --validateWrites options.
URL: https://github.com/apache/hadoop/pull/830#discussion_r285780568
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File path:
hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/freon/RandomKeyGenerator.java
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@@ -228,8 +243,20 @@ public Void call() throws Exception {
init(freon.createOzoneConfiguration());
}
- keyValue =
- DFSUtil.string2Bytes(RandomStringUtils.randomAscii(keySize - 36));
+ keyValueBuffer = DFSUtil.string2Bytes(
+ RandomStringUtils.randomAscii(bufferSize));
Review comment:
Let's just write zeroes by default. Random data generation may itself become
a bottleneck. We could add. a separate option for random data later.
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