kerneltime commented on code in PR #3728:
URL: https://github.com/apache/ozone/pull/3728#discussion_r959816981
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hadoop-ozone/s3gateway/src/main/java/org/apache/hadoop/ozone/s3/endpoint/EndpointBase.java:
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@@ -240,6 +252,46 @@ private Iterator<? extends OzoneBucket> iterateBuckets(
}
}
+ protected Map<String, String> getCustomMetadataFromHeaders(
+ MultivaluedMap<String, String> requestHeaders) {
+ Map<String, String> customMetadata = new HashMap<>();
+ if (requestHeaders == null || requestHeaders.isEmpty()) {
+ return customMetadata;
+ }
+
+ Set<String> customMetadataKeys = requestHeaders.keySet().stream()
+ .filter(k -> k.startsWith(CUSTOM_METADATA_HEADER_PREFIX))
+ .collect(Collectors.toSet());
+ long sizeInBytes = 0;
+ if (!customMetadataKeys.isEmpty()) {
+ for (String key : customMetadataKeys) {
+ String mapKey =
+ key.substring(CUSTOM_METADATA_HEADER_PREFIX.length());
+ List<String> values = requestHeaders.get(key);
+ String value = StringUtils.join(values, ",");
+ sizeInBytes += mapKey.getBytes(UTF_8).length;
+ sizeInBytes += value.getBytes(UTF_8).length;
+ if (sizeInBytes > 2 * KB) {
Review Comment:
This value in the original PR is coming from S3's limit. It would be good to
make it to `OzoneConsts.java`
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