anmolanmol1234 commented on code in PR #8056:
URL: https://github.com/apache/hadoop/pull/8056#discussion_r2555412134
##########
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/ReadBufferManagerV2.java:
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@@ -104,14 +109,39 @@ public final class ReadBufferManagerV2 extends
ReadBufferManager {
private static AtomicBoolean isConfigured = new AtomicBoolean(false);
+ /* Metrics collector for monitoring the performance of the ABFS read thread
pool. */
+ private final AbfsReadThreadPoolMetrics readThreadPoolMetrics;
+
+ /* Last recorded CPU time used for computing CPU utilization deltas. */
+ private static long lastCpuTime = 0;
+
+ /* Last recorded system time used for utilization calculations. */
+ private static long lastTime = 0;
+
+ private final AbfsClient abfsClient;
+ /* Tracks the last scale direction applied, or empty if none. */
+ private volatile String lastScaleDirection = EMPTY_STRING;
+ /* Maximum CPU utilization observed during the monitoring interval. */
+ private volatile double maxCpuUtilization = 0.0;
+
/**
- * Private constructor to prevent instantiation as this needs to be
singleton.
+ * Initializes a new instance of {@code ReadBufferManagerV2} for the given
ABFS client.
Review Comment:
taken
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