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-rw-r--r--src/metrics.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/metrics.h b/src/metrics.h
index 309177c..befd3aa 100644
--- a/src/metrics.h
+++ b/src/metrics.h
@@ -12,6 +12,7 @@ extern prom_counter_t *meta;
extern prom_counter_t *peers;
extern prom_gauge_t *current_hashes;
extern prom_counter_t *hashes;
+extern prom_gauge_t *hashes_size;
extern prom_counter_t *hash_expired;
extern prom_gauge_t *hash_next_expire;
extern prom_counter_t *queries;