static async Task HideTimeoutsOfCurrentSegment(CloudTable endpointTimeoutTable,
IEnumerable <TimeoutDataEntity> timeoutsOfSegment, string uniqueHiddenEndpointName)
{
// with batching we can at least efficiently insert
long hideByPartitionKeyBatchSize = 0;
var hideByPartitionBatch = new TableBatchOperation();
var hideTasks = new List <Task>();
foreach (var entitiesInTheSamePartition in timeoutsOfSegment.GroupBy(x => x.PartitionKey))
{
foreach (var timeoutDataEntity in entitiesInTheSamePartition)
{
// entries with Guid as partition key should never be modified. We are only interested in the query entities
if (Guid.TryParse(timeoutDataEntity.PartitionKey.AsSpan(), out _))
{
continue;
}
// we don't want to preserve the etag and we always want to win
timeoutDataEntity.ETag = "*";
// Fix the hiding part
timeoutDataEntity.OwningTimeoutManager = uniqueHiddenEndpointName;
var entitySize = timeoutDataEntity.CalculateSize();
// the batch can have max 100 items and max 4 MB of data
// the partition key for all operations in the batch has to be the same
if (hideByPartitionKeyBatchSize + entitySize > MaxPayloadPerBatchOperation ||
hideByPartitionBatch.Count == MaxOperationsPerBatchOperation)
{
hideTasks.Add(endpointTimeoutTable.ExecuteBatchAsync(hideByPartitionBatch.Clone()));
hideByPartitionKeyBatchSize = 0;
hideByPartitionBatch.Clear();
}
hideByPartitionKeyBatchSize += entitySize;
var tableOperation = TableOperation.Merge(timeoutDataEntity);
SetEchoContentTo(tableOperation, false);
hideByPartitionBatch.Add(tableOperation);
}
if (hideByPartitionBatch.Count > 0)
{
hideTasks.Add(endpointTimeoutTable.ExecuteBatchAsync(hideByPartitionBatch.Clone()));
}
hideByPartitionBatch.Clear();
hideByPartitionKeyBatchSize = 0;
}
if (hideTasks.Count > 0)
{
await Task.WhenAll(hideTasks);
}
}
