chore: add changelog

.chloggen/add-threadpool-featuregate.yaml

@@ -0,0 +1,27 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: 'enhancement'
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: fileconsumer
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Added a new feature gate that enables a thread pool mechanism to respect the poll_interval parameter.
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [18908]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# If your change doesn't affect end users or the exported elements of any package,
+# you should instead start your pull request title with [chore] or use the "Skip Changelog" label.
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: []

pkg/stanza/fileconsumer/file.go

@@ -49,7 +49,6 @@ type Manager struct {
 
 	// Following fields are used only when useThreadPool is enabled
 	workerWg       sync.WaitGroup
-	_workerWg      sync.WaitGroup
 	knownFilesLock sync.RWMutex
 
 	readerChan chan readerWrapper
@@ -116,11 +115,13 @@ func (m *Manager) startPoller(ctx context.Context) {
 				return
 			case <-globTicker.C:
 			}
+
 			m.poll(ctx)
 		}
 	}()
 }
 
+// poll checks all the watched paths for new entries
 func (m *Manager) poll(ctx context.Context) {
 	if useThreadPool.IsEnabled() {
 		m.pollConcurrent(ctx)

pkg/stanza/fileconsumer/file_threadpool.go

@@ -16,7 +16,6 @@ import (
 type readerWrapper struct {
 	reader *reader
 	fp     *fingerprint.Fingerprint
-	path   string
 }
 
 func (m *Manager) kickoffThreads(ctx context.Context) {
@@ -126,7 +125,7 @@ func (m *Manager) consumeConcurrent(ctx context.Context, paths []string) {
 			m.trieLock.Lock()
 			m.trie.Put(fp.FirstBytes)
 			m.trieLock.Unlock()
-			m.readerChan <- readerWrapper{reader: reader, fp: fp, path: path}
+			m.readerChan <- readerWrapper{reader: reader, fp: fp}
 		}
 	}
 }