public static void Clean(int deletionBatchSize, DocumentDatabase database, DateTime expiryThreshold, CancellationToken token)
{
var stopwatch = Stopwatch.StartNew();
var items = new List <ICommandData>(deletionBatchSize);
var attachments = new List <string>(deletionBatchSize);
var itemsAndAttachements = Tuple.Create(items, attachments);
try
{
var query = new IndexQuery
{
Start = 0,
PageSize = deletionBatchSize,
Cutoff = SystemTime.UtcNow,
DisableCaching = true,
Query = $"ProcessedAt:[* TO {expiryThreshold.Ticks}]",
FieldsToFetch = new[]
{
"__document_id",
"MessageMetadata.MessageId",
"MessageMetadata.BodyNotStored"
},
SortedFields = new[]
{
new SortedField("ProcessedAt")
{
Field = "ProcessedAt",
Descending = false
}
}
};
var indexName = new ExpiryProcessedMessageIndex().IndexName;
database.Query(indexName, query, token,
(doc, state) =>
{
var id = doc.Value <string>("__document_id");
if (string.IsNullOrEmpty(id))
{
return;
}
state.Item1.Add(new DeleteCommandData
{
Key = id
});
if (TryGetBodyId(doc, out var bodyId))
{
state.Item2.Add(bodyId);
}
}, itemsAndAttachements);
}
catch (OperationCanceledException)
{
logger.Info("Cleanup operation cancelled");
return;
}
if (token.IsCancellationRequested)
{
return;
}
var deletedAuditDocuments = Chunker.ExecuteInChunks(items.Count, (itemsForBatch, db, s, e) =>
{
if (logger.IsDebugEnabled)
{
logger.Debug($"Batching deletion of {s}-{e} audit documents.");
}
var results = db.Batch(itemsForBatch.GetRange(s, e - s + 1), CancellationToken.None);
if (logger.IsDebugEnabled)
{
logger.Debug($"Batching deletion of {s}-{e} audit documents completed.");
}
return(results.Count(x => x.Deleted == true));
}, items, database, token);
var deletedAttachments = Chunker.ExecuteInChunks(attachments.Count, (att, db, s, e) =>
{
var deleted = 0;
if (logger.IsDebugEnabled)
{
logger.Debug($"Batching deletion of {s}-{e} attachment audit documents.");
}
db.TransactionalStorage.Batch(accessor =>
{
for (var idx = s; idx <= e; idx++)
{
//We want to continue using attachments for now
#pragma warning disable 618
accessor.Attachments.DeleteAttachment(att[idx], null);
#pragma warning restore 618
deleted++;
}
});
if (logger.IsDebugEnabled)
{
logger.Debug($"Batching deletion of {s}-{e} attachment audit documents completed.");
}
return(deleted);
}, attachments, database, token);
if (deletedAttachments + deletedAuditDocuments == 0)
{
logger.Info("No expired audit documents found");
}
else
{
logger.Info($"Deleted {deletedAuditDocuments} expired audit documents and {deletedAttachments} message body attachments. Batch execution took {stopwatch.ElapsedMilliseconds} ms");
}
}
public static void Clean(int deletionBatchSize, DocumentDatabase database, DateTime expiryThreshold, CancellationToken token)
{
var stopwatch = Stopwatch.StartNew();
var items = new List <ICommandData>(deletionBatchSize);
try
{
var query = new IndexQuery
{
Start = 0,
PageSize = deletionBatchSize,
Cutoff = SystemTime.UtcNow,
DisableCaching = true,
Query = $"LastSeen:[* TO {expiryThreshold.Ticks}]",
FieldsToFetch = new[]
{
"__document_id"
},
SortedFields = new[]
{
new SortedField("LastSeen")
{
Field = "LastSeen",
Descending = false
}
}
};
var indexName = new ExpiryKnownEndpointsIndex().IndexName;
database.Query(indexName, query, token,
(doc, state) =>
{
var id = doc.Value <string>("__document_id");
if (string.IsNullOrEmpty(id))
{
return;
}
state.Add(new DeleteCommandData
{
Key = id
});
}, items);
}
catch (OperationCanceledException)
{
logger.Info("KnownEndpoints Cleanup operation cancelled");
return;
}
if (token.IsCancellationRequested)
{
return;
}
var deleteKnownEndpointDocuments = Chunker.ExecuteInChunks(items.Count, (itemsForBatch, db, s, e) =>
{
if (logger.IsDebugEnabled)
{
logger.Debug($"Batching deletion of {s}-{e} known endpoint documents.");
}
var results = db.Batch(itemsForBatch.GetRange(s, e - s + 1), CancellationToken.None);
if (logger.IsDebugEnabled)
{
logger.Debug($"Batching deletion of {s}-{e} known endpoint documents completed.");
}
return(results.Count(x => x.Deleted == true));
}, items, database, token);
if (deleteKnownEndpointDocuments == 0)
{
logger.Info("No expired known endpoints documents found");
}
else
{
logger.Info($"Deleted {deleteKnownEndpointDocuments} expired known endpoint documents. Batch execution took {stopwatch.ElapsedMilliseconds} ms");
}
}