numPinnedBytes() — netty Function Reference

Architecture documentation for the numPinnedBytes() function in PoolArena.java from the netty codebase.

Function java Buffer Telemetry

Entity Profile

Buffer→ Telemetry→ numPinnedBytes() — netty Function Reference

Dependency Diagram

graph TD
  e85053fc_c42f_dce7_4813_8d243142d406["numPinnedBytes()"]
  de926ba9_75e3_c416_27fc_3623234991a8["PoolArena"]
  e85053fc_c42f_dce7_4813_8d243142d406 -->|defined in| de926ba9_75e3_c416_27fc_3623234991a8
  style e85053fc_c42f_dce7_4813_8d243142d406 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

buffer/src/main/java/io/netty/buffer/PoolArena.java lines 565–573

    public long numPinnedBytes() {
        long val = activeBytesHuge.sum(); // Huge chunks are exact-sized for the buffers they were allocated to.
        for (int i = 0; i < chunkListMetrics.size(); i++) {
            for (PoolChunkMetric m: chunkListMetrics.get(i)) {
                val += ((PoolChunk<?>) m).pinnedBytes();
            }
        }
        return max(0, val);
    }