mirror of
https://github.com/gravitational/teleport
synced 2024-10-20 17:23:22 +00:00
39 lines
1.6 KiB
Go
39 lines
1.6 KiB
Go
// Copyright 2021 Gravitational, Inc
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package backend
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import (
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"time"
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)
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const (
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// DefaultBufferCapacity is a default circular buffer size
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// used by backends to fan out events
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DefaultBufferCapacity = 1024
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// DefaultBacklogGracePeriod is the default amount of time that the circular buffer
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// will tolerate an event backlog in one of its watchers. Value was selected to be
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// just under 1m since 1m is typically the highest rate that high volume events
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// (e.g. heartbeats) are be created. If a watcher can't catch up in under a minute,
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// it probably won't catch up.
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DefaultBacklogGracePeriod = time.Second * 59
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// DefaultPollStreamPeriod is a default event poll stream period
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DefaultPollStreamPeriod = time.Second
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// DefaultEventsTTL is a default events TTL period
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DefaultEventsTTL = 10 * time.Minute
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// DefaultRangeLimit is used to specify some very large limit when limit is not specified
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// explicitly to prevent OOM due to infinite loops or other issues along those lines.
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DefaultRangeLimit = 2_000_000
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)
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