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Avoid casting NaN to int 

Apparently it's possible for dbSizeEstimate to be negative
This commit is contained in:
Andrew Noyes 2021-06-04 09:47:06 -07:00
parent 6992f5814b
commit f5d312e4a0
1 changed files with 2 additions and 2 deletions
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4
fdbserver/DataDistributionTracker.actor.cpp
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@ -176,8 +176,8 @@ ShardSizeBounds getShardSizeBounds(KeyRangeRef shard, int64_t maxShardSize) {
}
int64_t getMaxShardSize(double dbSizeEstimate) {
return std::min((SERVER_KNOBS->MIN_SHARD_BYTES +
(int64_t)std::sqrt(dbSizeEstimate) * SERVER_KNOBS->SHARD_BYTES_PER_SQRT_BYTES) *
return std::min((SERVER_KNOBS->MIN_SHARD_BYTES + (int64_t)std::sqrt(std::max<double>(dbSizeEstimate, 0)) *
SERVER_KNOBS->SHARD_BYTES_PER_SQRT_BYTES) *
SERVER_KNOBS->SHARD_BYTES_RATIO,
(int64_t)SERVER_KNOBS->MAX_SHARD_BYTES);
}