[conscrypt]: https://github.com/google/conscrypt/
 [conscrypt_dependency]: https://github.com/google/conscrypt/#download
 [grpc_http2]: https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md
 [https_server_sample]: https://github.com/square/okhttp/blob/master/samples/guide/src/main/java/okhttp3/recipes/HttpsServer.java
 [jetty_8_252]: https://webtide.com/jetty-alpn-java-8u252/

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 * iterators that don't support {@code remove()}. Otherwise, all optional operations are supported.
 * Null row keys, columns keys, and values are not supported.
 *
 * <p>Lookups by row key are often faster than lookups by column key, because the data is stored in
 * a {@code Map<R, Map<C, V>>}. A method call like {@code column(columnKey).get(rowKey)} still runs

    long singleChannelTime = measureReadTime(file, false);
    
    // Measure multi-channel throughput
    long multiChannelTime = measureReadTime(file, true);
    
    // Multi-channel should be faster
    assertTrue(multiChannelTime < singleChannelTime * 0.7);  // At least 30% improvement
}
```

## 8. Performance Metrics

### 8.1 Channel Statistics
```java

### Bug or Regression

- Fixed a bug where a high churn of events was causing master instability by reducing the maximum number of objects (events) attached to a single etcd lease. ([#100450](https://github.com/kubernetes/kubernetes/pull/100450), [@mborsz](https://github.com/mborsz)) [SIG API Machinery and Instrumentation]

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    receiving stream to process it.

    This change may increase OkHttp's memory use for applications that make many concurrent HTTP
    calls and that can receive data faster than they can process it. Previously, OkHttp limited
    HTTP/2 to 16 MiB of unacknowledged data per connection. With this fix there is a limit of 16 MiB
    of unacknowledged data per stream and no per-connection limit.