Shard Stratejisi

# Shard allocation awareness (rack-based)
curl -X PUT "http://localhost:9200/_cluster/settings" -H "Content-Type: application/json" -d'
{
  "persistent": {
    "cluster.routing.allocation.awareness.attributes": "rack_id",
    "cluster.routing.allocation.awareness.force.rack_id.values": "rack1,rack2"
  }
}'

# Index shard sayısını belirleme
curl -X PUT "http://localhost:9200/products-v2" -H "Content-Type: application/json" -d'
{
  "settings": {
    "number_of_shards": 3,
    "number_of_replicas": 1,
    "routing.allocation.require.data": "hot"
  }
}'

# Split index (shard artırma)
curl -X POST "http://localhost:9200/products/_split/products-split" -H "Content-Type: application/json" -d'
{
  "settings": { "index.number_of_shards": 6 }
}'

# Shrink index (shard azaltma)
curl -X POST "http://localhost:9200/products/_shrink/products-shrunk" -H "Content-Type: application/json" -d'
{
  "settings": {
    "index.number_of_shards": 1,
    "index.number_of_replicas": 1
  }
}'

// Shard health monitoring
public async Task<ShardHealthReport> GetShardHealthAsync()
{
    var response = await _client.Cluster.HealthAsync(h => h.Level(Level.Shards));

    return new ShardHealthReport(
        response.ActiveShards,
        response.RelocatingShards,
        response.UnassignedShards,
        response.ActivePrimaryShards);
}