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debug fetch offset APIs

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chrislu committed 2025-10-15 18:59:46 -07:00
1 parent ba1a8aed64
commit 1807b8093c
9 files changed
+144 -35
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weed/util/log_buffer/log_read_stateless.go
+10 -1
View File
@@ -54,8 +54,17 @@ func (logBuffer *LogBuffer) ReadMessagesAtOffset(startOffset int64, maxMessages
bufferStartOffset := logBuffer.bufferStartOffset
highWaterMark = currentBufferEnd
// Special case: empty buffer (no data written yet)
if currentBufferEnd == 0 && bufferStartOffset == 0 && logBuffer.pos == 0 {
logBuffer.RUnlock()
glog.V(4).Infof("[StatelessRead] Empty buffer, returning no data with endOfPartition=true")
// Return empty result - partition exists but has no data yet
// Preserve the requested offset in nextOffset
return messages, startOffset, 0, true, nil
}
// Check if requested offset is in current buffer
if startOffset >= bufferStartOffset && startOffset <= currentBufferEnd {
if startOffset >= bufferStartOffset && startOffset < currentBufferEnd {
// Read from current buffer
glog.V(4).Infof("[StatelessRead] Reading from current buffer: start=%d, end=%d",
bufferStartOffset, currentBufferEnd)