feat(shard-distributor): Introduce a limit for max ephemeral shards #7537
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What changed?
shardDistributor.maxEphemeralShardsdynamic property is introduced with a default value of 8192EphemeralShardLimitExceededErrorerror was introducedGetShardOwnerwill returnEphemeralShardLimitExceededErrorerror in case if a number of current shards is more than total number of assigned shards per namespace.Why?
GetShardOwnermethod, where an ephemeral shard are being created. This PR adds protection for the server's health, denies requests creating more shards than allowed.How did you test it?