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 failedRetryItems = new List <ICommandData>(deletionBatchSize);
var itemsAndAttachements = new
{
items,
attachments,
failedRetryItems
};
try
{
var query = new IndexQuery
{
Start = 0,
PageSize = deletionBatchSize,
Cutoff = SystemTime.UtcNow,
DisableCaching = true,
Query = $"Status:[2 TO 4] AND LastModified:[* TO {expiryThreshold.Ticks}]",
FieldsToFetch = new[]
{
"__document_id",
"ProcessingAttempts[0].MessageId"
},
SortedFields = new[]
{
new SortedField("LastModified")
{
Field = "LastModified",
Descending = false
}
}
};
var indexName = new ExpiryErrorMessageIndex().IndexName;
database.Query(indexName, query, token,
(doc, state) =>
{
var id = doc.Value <string>("__document_id");
if (string.IsNullOrEmpty(id))
{
return;
}
var failedMessageRetryId = FailedMessageRetry.MakeDocumentId(FailedMessage.GetMessageIdFromDocumentId(id));
state.failedRetryItems.Add(new DeleteCommandData
{
Key = failedMessageRetryId
});
state.items.Add(new DeleteCommandData
{
Key = id
});
var bodyid = doc.Value <string>("ProcessingAttempts[0].MessageId");
state.attachments.Add(bodyid);
}, itemsAndAttachements);
}
catch (OperationCanceledException)
{
logger.Info("Cleanup operation cancelled");
return;
}
if (token.IsCancellationRequested)
{
return;
}
var deletedFailedMessageRetry = Chunker.ExecuteInChunks(failedRetryItems.Count, (itemsForBatch, db, s, e) =>
{
if (logger.IsDebugEnabled)
{
logger.Debug($"Batching deletion of {s}-{e} FailedMessageRetry documents.");
}
var results = db.Batch(itemsForBatch.GetRange(s, e - s + 1), CancellationToken.None);
if (logger.IsDebugEnabled)
{
logger.Debug($"Batching deletion of {s}-{e} FailedMessageRetry documents completed.");
}
return(results.Count(x => x.Deleted == true));
}, failedRetryItems, database, token);
var deletedAttachments = Chunker.ExecuteInChunks(attachments.Count, (atts, db, s, e) =>
{
var deleted = 0;
if (logger.IsDebugEnabled)
{
logger.Debug($"Batching deletion of {s}-{e} attachment error 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("messagebodies/" + attachments[idx], null);
#pragma warning restore 618
deleted++;
}
});
if (logger.IsDebugEnabled)
{
logger.Debug($"Batching deletion of {s}-{e} attachment error documents completed.");
}
return(deleted);
}, attachments, database, token);
var deletedFailedMessage = Chunker.ExecuteInChunks(items.Count, (itemsForBatch, db, s, e) =>
{
if (logger.IsDebugEnabled)
{
logger.Debug($"Batching deletion of {s}-{e} error documents.");
}
var results = db.Batch(itemsForBatch.GetRange(s, e - s + 1), CancellationToken.None);
if (logger.IsDebugEnabled)
{
logger.Debug($"Batching deletion of {s}-{e} error documents completed.");
}
return(results.Count(x => x.Deleted == true));
}, items, database, token);
if (deletedFailedMessage + deletedAttachments + deletedFailedMessageRetry == 0)
{
logger.Info("No expired error documents found");
}
else
{
logger.Info($"Deleted {deletedFailedMessage} expired error documents and {deletedAttachments} message body attachments. Batch execution took {stopwatch.ElapsedMilliseconds} ms");
}
}
public static void Clean(int deletionBatchSize, DocumentDatabase database, DateTime expiryThreshold)
{
var stopwatch = Stopwatch.StartNew();
var items = new List <ICommandData>(deletionBatchSize);
var attachments = new List <string>(deletionBatchSize);
try
{
var query = new IndexQuery
{
Start = 0,
PageSize = deletionBatchSize,
Cutoff = SystemTime.UtcNow,
DisableCaching = true,
Query = $"Status:[2 TO 4] AND LastModified:[* TO {expiryThreshold.Ticks}]",
FieldsToFetch = new[]
{
"__document_id",
"ProcessingAttempts[0].MessageId"
},
SortedFields = new[]
{
new SortedField("LastModified")
{
Field = "LastModified",
Descending = false
}
}
};
var indexName = new ExpiryErrorMessageIndex().IndexName;
database.Query(indexName, query, database.WorkContext.CancellationToken,
null,
doc =>
{
var id = doc.Value <string>("__document_id");
if (string.IsNullOrEmpty(id))
{
return;
}
items.Add(new DeleteCommandData
{
Key = id
});
var bodyid = doc.Value <string>("ProcessingAttempts[0].MessageId");
attachments.Add(bodyid);
});
}
catch (OperationCanceledException)
{
//Ignore
}
var deletionCount = 0;
Chunker.ExecuteInChunks(items.Count, (s, e) =>
{
logger.InfoFormat("Batching deletion of {0}-{1} error documents.", s, e);
var results = database.Batch(items.GetRange(s, e - s + 1));
logger.InfoFormat("Batching deletion of {0}-{1} error documents completed.", s, e);
deletionCount += results.Count(x => x.Deleted == true);
});
Chunker.ExecuteInChunks(attachments.Count, (s, e) =>
{
database.TransactionalStorage.Batch(accessor =>
{
logger.InfoFormat("Batching deletion of {0}-{1} attachment error documents.", s, e);
for (var idx = s; idx <= e; idx++)
{
accessor.Attachments.DeleteAttachment("messagebodies/" + attachments[idx], null);
}
logger.InfoFormat("Batching deletion of {0}-{1} attachment error documents completed.", s, e);
});
});
if (deletionCount == 0)
{
logger.Info("No expired error documents found");
}
else
{
logger.InfoFormat("Deleted {0} expired error documents. Batch execution took {1}ms", deletionCount, stopwatch.ElapsedMilliseconds);
}
}