congbobo184 commented on code in PR #16685:
URL: https://github.com/apache/pulsar/pull/16685#discussion_r925483775
##########
pulsar-transaction/coordinator/src/main/java/org/apache/pulsar/transaction/coordinator/impl/MLTransactionLogImpl.java:
##########
@@ -283,4 +365,43 @@ public void readEntriesFailed(ManagedLedgerException
exception, Object ctx) {
}
}
+
+ private static final FastThreadLocal<BatchedTransactionMetadataEntry>
localBatchedTransactionLogCache =
+ new FastThreadLocal<>() {
+ @Override
+ protected BatchedTransactionMetadataEntry initialValue()
throws Exception {
+ return new BatchedTransactionMetadataEntry();
+ }
+ };
+
+ private static class TransactionLogDataSerializer
+ implements
TxnLogBufferedWriter.DataSerializer<TransactionMetadataEntry>{
+
+ private static final TransactionLogDataSerializer INSTANCE = new
TransactionLogDataSerializer();
+
+ @Override
+ public int getSerializedSize(TransactionMetadataEntry data) {
+ return data.getSerializedSize();
+ }
+
+ @Override
+ public ByteBuf serialize(TransactionMetadataEntry data) {
+ int transactionMetadataEntrySize = data.getSerializedSize();
+ ByteBuf buf =
+
PulsarByteBufAllocator.DEFAULT.buffer(transactionMetadataEntrySize,
transactionMetadataEntrySize);
+ data.writeTo(buf);
+ return buf;
+ }
+
+ @Override
+ public ByteBuf serialize(ArrayList<TransactionMetadataEntry>
transactionLogArray) {
+ // Since all writes are in the same thread, so we can use
threadLocal variables here.
+ BatchedTransactionMetadataEntry data =
localBatchedTransactionLogCache.get();
+ data.addAllTransactionLogs(transactionLogArray);
Review Comment:
clear
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
