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HBASE-22622 - WALKey Extended Attributes - #352
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Apache-HBase
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Jul 3, 2019
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gjacoby126
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Jul 3, 2019
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Pushed fixes for checkstyle nits. |
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gjacoby126
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Jul 8, 2019
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@apurtell@saintstack@Apache9 - adding extended attributes to WALKey as discussed in HBASE-22622. I wasn't able to use a protobuf map class because the "public" protobuf version doesn't support it so it wouldn't be backwards compatible, so I went back to @apurtell 's original suggestion of a repeated key/value attribute. Keys are strings rather than bytes because Java uses reference equality for hashmaps with byte[] keys, and it seemed better than littering the code with ByteBuffers or ImmutableBytesWritable everywhere. I've fixed the checkstyle issues, and the test failures appear to be flapping replication tests (each run gives different results even when only trivial formatting changes have been made) Related coprocessor changes will be in HBASE-22623, unless the community feels it would be better to consolidate the two patches. Thanks for taking a look! |
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Jul 12, 2019
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HorizonNet
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Jul 14, 2019
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@gjacoby126 It seems that the change doesn't compile. Could you please take a look at it?
gjacoby126
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Jul 15, 2019
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@HorizonNet - rebased on master, and was able to build successfully locally. Hopefully now that I've pushed again that will fix it. |
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apurtell
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Jul 15, 2019
| /** | ||
| * Returns a map of all extended attributes injected into this WAL key. | ||
| */ | ||
| default Map<String, byte[]> getExtendedAttributes() { |
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@apurtell - WALKey's interface comments specifically say that setters aren't permitted. They're meant to be immutable, so the extended attributes will be set during construction of the WALKeyImpl
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Jul 16, 2019
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apurtell
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Jul 19, 2019
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Test failures in latest precommit look environmental in nature. Will check locally before merging this. |
| if (walKey.getExtendedAttributesCount() > 0){ | ||
| this.extendedAttributes = new HashMap<>(walKey.getExtendedAttributesCount()); | ||
| for (WALProtos.Attribute attr : walKey.getExtendedAttributesList()){ | ||
| extendedAttributes.put(attr.getKey(), attr.getValue().toByteArray()); |
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Noticed while backporting. Attribute values may have been compressed and need to be decompressed. Will fix up for commit.
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Signed-off-by: Andrew Purtell <apurtell@apache.org> Co-authored-by: Andrew Purtell <apurtell@apache.org>
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Signed-off-by: Andrew Purtell <apurtell@apache.org>
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Signed-off-by: Andrew Purtell <apurtell@apache.org>
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Signed-off-by: Andrew Purtell <apurtell@apache.org>
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