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Slowing down the polling on database backed queue listeners in the ca… #1200

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merged 1 commit into from
Jan 8, 2025
Merged

Slowing down the polling on database backed queue listeners in the ca… #1200

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15 changes: 10 additions & 5 deletions src/Persistence/PersistenceTests/durability_with_local.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -32,13 +32,14 @@ public async Task should_recover_persisted_messages()
// Don't use WolverineHost here because you need the existing persisted state!!!!
using var host2 = await Host.CreateDefaultBuilder().UseWolverine(opts => opts.ConfigureDurableSender(true, false))
.StartAsync();
var counts2 = await host2.Get<IMessageStore>().Admin.FetchCountsAsync();
var messageStore = host2.Get<IMessageStore>();
var counts2 = await messageStore.Admin.FetchCountsAsync();

var i = 0;
while (counts2.Incoming != 1 && i < 10)
while (counts2.Incoming != 1 && i < 100)
{
await Task.Delay(100.Milliseconds());
counts2 = await host2.Get<IMessageStore>().Admin.FetchCountsAsync();
counts2 = await messageStore.Admin.FetchCountsAsync();
i++;
}

Expand All @@ -61,7 +62,11 @@ public static void ConfigureDurableSender(this WolverineOptions opts, bool latch
.ToLocalQueue("one")
.UseDurableInbox();

opts.Services.AddMarten(Servers.PostgresConnectionString)
opts.Services.AddMarten(opts =>
{
opts.Connection(Servers.PostgresConnectionString);
opts.DisableNpgsqlLogging = true;
})
.IntegrateWithWolverine();

opts.Services.AddSingleton(new ReceivingSettings { Latched = latched });
Expand All @@ -85,7 +90,7 @@ public void Handle(ReceivedMessage message, Envelope envelope, ReceivingSettings

public static void Configure(HandlerChain chain)
{
chain.OnException(e => true).Requeue(1000);
chain.OnException(e => true).RequeueIndefinitely();
}
}

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4 changes: 3 additions & 1 deletion src/Persistence/Wolverine.Postgresql/Transport/PostgresqlQueueListener.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -180,11 +180,13 @@ private async Task listenForMessagesAsync()
if (messages.Any())
{
await _receiver.ReceivedAsync(this, messages.ToArray());

await Task.Delay(250.Milliseconds());
}
else
{
// Slow down if this is a periodically used queue
await Task.Delay(250.Milliseconds());
await Task.Delay(_settings.ScheduledJobPollingTime);
}
}
catch (Exception e)
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2 changes: 1 addition & 1 deletion src/Persistence/Wolverine.SqlServer/Transport/SqlServerQueueListener.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -119,7 +119,7 @@ private async Task listenForMessagesAsync()
else
{
// Slow down if this is a periodically used queue
await Task.Delay(250.Milliseconds());
await Task.Delay(_settings.ScheduledJobPollingTime);
}
}
catch (Exception e)
Expand Down
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