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TEZ-4268: Buffer File Read of TEZ AM Local Resources PB File #91

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Merged
jteagles merged 1 commit into from
Jan 25, 2021
Merged

TEZ-4268: Buffer File Read of TEZ AM Local Resources PB File #91

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16 changes: 7 additions & 9 deletions tez-dag/src/main/java/org/apache/tez/dag/app/DAGAppMaster.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@



import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
Expand Down Expand Up @@ -604,17 +605,14 @@ public synchronized void serviceInit(final Configuration conf) throws Exception

if (!versionMismatch) {
if (isSession) {
FileInputStream sessionResourcesStream = null;
try {
sessionResourcesStream = new FileInputStream(
new File(workingDirectory, TezConstants.TEZ_AM_LOCAL_RESOURCES_PB_FILE_NAME));
try (BufferedInputStream sessionResourcesStream =
new BufferedInputStream(
new FileInputStream(new File(workingDirectory,
TezConstants.TEZ_AM_LOCAL_RESOURCES_PB_FILE_NAME)))) {
PlanLocalResourcesProto amLocalResourceProto = PlanLocalResourcesProto
.parseDelimitedFrom(sessionResourcesStream);
amResources.putAll(DagTypeConverters.convertFromPlanLocalResources(amLocalResourceProto));
} finally {
if (sessionResourcesStream != null) {
sessionResourcesStream.close();
}
amResources.putAll(DagTypeConverters
.convertFromPlanLocalResources(amLocalResourceProto));
}
}
}
Expand Down