AHeise commented on a change in pull request #12575:
URL: https://github.com/apache/flink/pull/12575#discussion_r440772079
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/io/CheckpointBarrierAligner.java
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@@ -46,14 +49,8 @@
private static final Logger LOG =
LoggerFactory.getLogger(CheckpointBarrierAligner.class);
- /** Used to get InputGate by channel index. */
- private final InputGate[] channelIndexToInputGate;
-
- /** Used to get channel index offset by InputGate. */
- private final Map<InputGate, Integer> inputGateToChannelIndexOffset;
-
/** Flags that indicate whether a channel is currently
blocked/buffered. */
- private final boolean[] blockedChannels;
+ private final Map<InputChannelInfo, Boolean> blockedChannels;
Review comment:
Never mind, I misread the code. It's only used while calling
LinkedHashSet -> super(HashSet).
Anyways, the current way is used to avoid dynamic reallocations. I can also
write a small wrapper Set implementation (similar to EnumSet) if it's too hard
to read right now.
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