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Fixes unlocked read from logBuffer.LastTsNs that is racey. (#5536)
pull/5539/head
M@
8 months ago
committed by
GitHub
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1 changed files with
9 additions and
1 deletions
-
weed/util/log_buffer/log_read.go
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@ -66,9 +66,17 @@ func (logBuffer *LogBuffer) LoopProcessLogData(readerName string, startPosition |
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isDone = true |
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return |
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} |
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logBuffer.RLock() |
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lastTsNs := logBuffer.LastTsNs |
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for lastTsNs == logBuffer.LastTsNs { |
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logBuffer.RUnlock() |
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loopTsNs := lastTsNs // make a copy
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for lastTsNs == loopTsNs { |
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if waitForDataFn() { |
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// Update loopTsNs and loop again
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logBuffer.RLock() |
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loopTsNs = logBuffer.LastTsNs |
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logBuffer.RUnlock() |
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continue |
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} else { |
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isDone = true |
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