Revert "Merge pull request #31177 from vespa-engine/revert-31158-jonmv/start-lower-when-feeding"

This reverts commit dc1d2982e21098e0dee252f229762960259382ac, reversing
changes made to 1073327b4b38213311e992f2c2353a376d3404de.

3 files changed, 6 insertions, 5 deletions

diff --git a/vespa-feed-client/src/main/java/ai/vespa/feed/client/impl/DynamicThrottler.java b/vespa-feed-client/src/main/java/ai/vespa/feed/client/impl/DynamicThrottler.java
index 951a1776b6f..81e972fe45d 100644
--- a/vespa-feed-client/src/main/java/ai/vespa/feed/client/impl/DynamicThrottler.java
+++ b/vespa-feed-client/src/main/java/ai/vespa/feed/client/impl/DynamicThrottler.java
@@ -28,12 +28,12 @@ public class DynamicThrottler extends StaticThrottler {
 
     public DynamicThrottler(FeedClientBuilderImpl builder) {
         super(builder);
-        targetInflight = new AtomicLong(8 * minInflight);
+        targetInflight = new AtomicLong(minInflight);
     }
 
     @Override
     public void sent(long __, CompletableFuture<HttpResponse> ___) {
-        double currentInflight = targetInflight.get();
+        double currentInflight = targetInflight();
         if (++sent * sent * sent < 1e2 * currentInflight * currentInflight)
             return;
 
diff --git a/vespa-feed-client/src/main/java/ai/vespa/feed/client/impl/StaticThrottler.java b/vespa-feed-client/src/main/java/ai/vespa/feed/client/impl/StaticThrottler.java
index 9010b0a7ad8..f0ee434e87c 100644
--- a/vespa-feed-client/src/main/java/ai/vespa/feed/client/impl/StaticThrottler.java
+++ b/vespa-feed-client/src/main/java/ai/vespa/feed/client/impl/StaticThrottler.java
@@ -22,7 +22,7 @@ public class StaticThrottler implements Throttler {
 
     public StaticThrottler(FeedClientBuilderImpl builder) {
         minInflight = 2L * builder.connectionsPerEndpoint * builder.endpoints.size();
-        maxInflight = 256 * minInflight; // 4096 max streams per connection on the server side.
+        maxInflight = 256 * minInflight; // 512 max streams per connection on the server side.
         targetX10 = new AtomicLong(10 * maxInflight); // 10x the actual value to allow for smaller updates.
     }
 
diff --git a/vespa-feed-client/src/test/java/ai/vespa/feed/client/impl/HttpRequestStrategyTest.java b/vespa-feed-client/src/test/java/ai/vespa/feed/client/impl/HttpRequestStrategyTest.java
index 54fab9b859b..b1a04ac9ed4 100644
--- a/vespa-feed-client/src/test/java/ai/vespa/feed/client/impl/HttpRequestStrategyTest.java
+++ b/vespa-feed-client/src/test/java/ai/vespa/feed/client/impl/HttpRequestStrategyTest.java
@@ -33,6 +33,7 @@ import static ai.vespa.feed.client.FeedClient.CircuitBreaker.State.OPEN;
 import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertInstanceOf;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
@@ -105,7 +106,7 @@ class HttpRequestStrategyTest {
         cluster.expect((__, vessel) -> vessel.completeExceptionally(new RuntimeException("boom")));
         ExecutionException expected = assertThrows(ExecutionException.class,
                                                    () -> strategy.enqueue(id1, request).get());
-        assertTrue(expected.getCause() instanceof FeedException);
+        assertInstanceOf(FeedException.class, expected.getCause());
         assertEquals("java.lang.RuntimeException: boom", expected.getCause().getMessage());
         assertEquals(1, strategy.stats().requests());
 
@@ -200,7 +201,7 @@ class HttpRequestStrategyTest {
                                                                                     @Override public int retries() { return 1; }
                                                                                 })
                                                                                 .setCircuitBreaker(breaker)
-                                                                                .setConnectionsPerEndpoint(1),
+                                                                                .setConnectionsPerEndpoint(3), // Must be >= 0.5x text ops.
                                                                cluster);
 
         DocumentId id1 = DocumentId.of("ns", "type", "1");