pheecian commented on a change in pull request #6717: Avoid prefetch too much
data when offloading data to HDFS
URL: https://github.com/apache/pulsar/pull/6717#discussion_r408117396
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File path:
tiered-storage/file-system/src/main/java/org/apache/bookkeeper/mledger/offload/filesystem/impl/FileSystemManagedLedgerOffloader.java
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@@ -188,13 +192,17 @@ public void run() {
AtomicLong haveOffloadEntryNumber = new AtomicLong(0);
long needToOffloadFirstEntryNumber = 0;
CountDownLatch countDownLatch;
+ //avoid prefetch too much data into memory
+ Semaphore semaphore = new Semaphore(1);
Review comment:
sure
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