Straggling comments and log line zstd-reversion

Author: Matt

dd-java-agent/agent-profiling/profiling-uploader/src/main/java/com/datadog/profiling/uploader/CompressionType.java

@@ -35,7 +35,7 @@ static CompressionType of(String type) {
       case "zstd":
         return ZSTD;
       default:
-        log.warn("Unrecognizable compression type: {}. Defaulting to 'zstd'.", type);
+        log.warn("Unrecognizable compression type: {}. Defaulting to 'lz4'.", type);
         return ON;
     }
   }

dd-trace-api/src/main/java/datadog/trace/api/config/ProfilingConfig.java

@@ -205,10 +205,10 @@ public final class ProfilingConfig {
   public static final String PROFILING_DEBUG_DUMP_PATH = "profiling.debug.dump_path";
   public static final String PROFILING_DEBUG_JFR_DISABLED = "profiling.debug.jfr.disabled";
   /**
-   * Configuration for profile upload compression. Supported values are: - "on": equivalent to
-   * "zstd" - "off": disables compression - "lz4": uses LZ4 compression (fast with moderate
-   * compression ratio) - "gzip": uses GZIP compression (higher compression ratio but slower) -
-   * "zstd": uses ZSTD compression (high compression ratio with reasonable performance)
+   * Configuration for profile upload compression. Supported values are: - "on": equivalent to "lz4"
+   * - "off": disables compression - "lz4": uses LZ4 compression (fast with moderate compression
+   * ratio) - "gzip": uses GZIP compression (higher compression ratio but slower) - "zstd": uses
+   * ZSTD compression (high compression ratio with reasonable performance)
    */
   public static final String PROFILING_DEBUG_UPLOAD_COMPRESSION =
       "profiling.debug.upload.compression";