poorbarcode commented on code in PR #16758:
URL: https://github.com/apache/pulsar/pull/16758#discussion_r938024949
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pulsar-transaction/coordinator/src/main/java/org/apache/pulsar/transaction/coordinator/impl/TxnLogBufferedWriter.java:
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@@ -201,30 +213,93 @@ public void asyncAddData(T data, AddDataCallback
callback, Object ctx){
singleThreadExecutorForWrite.execute(() -> internalAsyncAddData(data,
callback, ctx));
}
+ /**
+ * Append data to queue, if reach {@link #batchedWriteMaxRecords} or
{@link #batchedWriteMaxSize}, do flush. And if
+ * accept a request that {@param data} is too large (larger than {@link
#batchedWriteMaxSize}), then two flushes
+ * are executed:
+ * 1. Write the data cached in the queue to BK.
+ * 2. Direct write the large data to BK.
+ * This ensures the sequential nature of multiple writes to BK.
+ */
private void internalAsyncAddData(T data, AddDataCallback callback, Object
ctx){
if (state == State.CLOSING || state == State.CLOSED){
callback.addFailed(BUFFERED_WRITER_CLOSED_EXCEPTION, ctx);
return;
}
+ // If param-data is too large.
Review Comment:
Good suggestion, I will use this technique. And already fixed in this PR.
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