42 lines
1.3 KiB
Go
42 lines
1.3 KiB
Go
package migration_01_to_11
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const (
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// DefaultRejectCacheSize is the default number of rejectCacheEntries to
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// cache for use in the rejection cache of incoming gossip traffic. This
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// produces a cache size of around 1MB.
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DefaultRejectCacheSize = 50000
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// DefaultChannelCacheSize is the default number of ChannelEdges cached
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// in order to reply to gossip queries. This produces a cache size of
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// around 40MB.
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DefaultChannelCacheSize = 20000
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)
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// Options holds parameters for tuning and customizing a channeldb.DB.
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type Options struct {
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// RejectCacheSize is the maximum number of rejectCacheEntries to hold
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// in the rejection cache.
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RejectCacheSize int
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// ChannelCacheSize is the maximum number of ChannelEdges to hold in the
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// channel cache.
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ChannelCacheSize int
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// NoFreelistSync, if true, prevents the database from syncing its
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// freelist to disk, resulting in improved performance at the expense of
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// increased startup time.
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NoFreelistSync bool
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}
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// DefaultOptions returns an Options populated with default values.
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func DefaultOptions() Options {
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return Options{
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RejectCacheSize: DefaultRejectCacheSize,
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ChannelCacheSize: DefaultChannelCacheSize,
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NoFreelistSync: true,
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}
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}
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// OptionModifier is a function signature for modifying the default Options.
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type OptionModifier func(*Options)
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