diff options
| -rw-r--r-- | src/mongo/db/s/balancer/balancer.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/mongo/db/s/balancer/balancer.cpp b/src/mongo/db/s/balancer/balancer.cpp index 9b7db2ef8b7..1cc7d850ada 100644 --- a/src/mongo/db/s/balancer/balancer.cpp +++ b/src/mongo/db/s/balancer/balancer.cpp @@ -67,10 +67,11 @@ namespace { const Seconds kBalanceRoundDefaultInterval(10); -// Delay between balancer rounds if the last round found some chunks which needs to be balanced. -// This value is set to 0 so that imbalanced clusters or clusters with tag range violations can be -// processes as quickly as possible. -const Seconds kShortBalanceRoundInterval(0); +// Sleep between balancer rounds in the case where the last round found some chunks which needed to +// be balanced. This value should be set sufficiently low so that imbalanced clusters will quickly +// reach balanced state, but setting it too low may cause CRUD operations to start failing due to +// not being able to establish a stable shard version. +const Seconds kShortBalanceRoundInterval(1); const auto getBalancer = ServiceContext::declareDecoration<std::unique_ptr<Balancer>>(); |