Fix race in TSBD while reading/writing histograms (#9051)
Fix race in TSBD while reading/writing histograms (#9051)

Signed-off-by: Ganesh Vernekar <101acfd19ae0f3f87f861c64d0a8873056704c2b@gmail.com>
prometheus/prometheus,prometheus/prometheus,prometheus/prometheus,prometheus/prometheus,prometheus/prometheus