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HADOOP-18351. Reduce excess logging of errors during S3A prefetching reads (#5274)

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Contributed by Ankit Saurabh
This commit is contained in:
Ankit Saurabh 2023-02-15 18:28:42 +00:00 committed by GitHub
parent 4cbe19f3a2
commit f4f2793f3b
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 8 deletions
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18
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/impl/prefetch/CachingBlockManager.java
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@ -302,7 +302,12 @@ public void cancelPrefetches() {
private void read(BufferData data) throws IOException { private void read(BufferData data) throws IOException {
synchronized (data) { synchronized (data) {
try {
readBlock(data, false, BufferData.State.BLANK); readBlock(data, false, BufferData.State.BLANK);
} catch (IOException e) {
LOG.error("error reading block {}", data.getBlockNumber(), e);
throw e;
}
} }
} }
@ -362,9 +367,6 @@ private void readBlock(BufferData data, boolean isPrefetch, BufferData.State...
buffer.flip(); buffer.flip();
data.setReady(expectedState); data.setReady(expectedState);
} catch (Exception e) { } catch (Exception e) {
String message = String.format("error during readBlock(%s)", data.getBlockNumber());
LOG.error(message, e);
if (isPrefetch && tracker != null) { if (isPrefetch && tracker != null) {
tracker.failed(); tracker.failed();
} }
@ -406,7 +408,8 @@ public Void get() {
try { try {
blockManager.prefetch(data, taskQueuedStartTime); blockManager.prefetch(data, taskQueuedStartTime);
} catch (Exception e) { } catch (Exception e) {
LOG.error("error during prefetch", e); LOG.info("error prefetching block {}. {}", data.getBlockNumber(), e.getMessage());
LOG.debug("error prefetching block {}", data.getBlockNumber(), e);
} }
return null; return null;
} }
@ -493,7 +496,8 @@ private void addToCacheAndRelease(BufferData data, Future<Void> blockFuture,
return; return;
} }
} catch (Exception e) { } catch (Exception e) {
LOG.error("error waiting on blockFuture: {}", data, e); LOG.info("error waiting on blockFuture: {}. {}", data, e.getMessage());
LOG.debug("error waiting on blockFuture: {}", data, e);
data.setDone(); data.setDone();
return; return;
} }
@ -523,8 +527,8 @@ private void addToCacheAndRelease(BufferData data, Future<Void> blockFuture,
data.setDone(); data.setDone();
} catch (Exception e) { } catch (Exception e) {
numCachingErrors.incrementAndGet(); numCachingErrors.incrementAndGet();
String message = String.format("error adding block to cache after wait: %s", data); LOG.info("error adding block to cache after wait: {}. {}", data, e.getMessage());
LOG.error(message, e); LOG.debug("error adding block to cache after wait: {}", data, e);
data.setDone(); data.setDone();
} }