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39 lines
1.7 KiB
Go
39 lines
1.7 KiB
Go
package flags
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import (
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"github.com/urfave/cli/v2"
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)
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var (
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backfillBatchSizeName = "backfill-batch-size"
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backfillWorkerCountName = "backfill-worker-count"
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// EnableExperimentalBackfill enables backfill for checkpoint synced nodes.
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// This flag will be removed onced backfill is enabled by default.
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EnableExperimentalBackfill = &cli.BoolFlag{
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Name: "enable-experimental-backfill",
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Usage: "Backfill is still experimental at this time. " +
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"It will only be enabled if this flag is specified and the node was started using checkpoint sync.",
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}
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// BackfillBatchSize allows users to tune block backfill request sizes to maximize network utilization
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// at the cost of higher memory.
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BackfillBatchSize = &cli.Uint64Flag{
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Name: backfillBatchSizeName,
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Usage: "Number of blocks per backfill batch. " +
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"A larger number will request more blocks at once from peers, but also consume more system memory to " +
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"hold batches in memory during processing. This has a multiplicative effect with " + backfillWorkerCountName + ".",
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Value: 64,
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}
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// BackfillWorkerCount allows users to tune the number of concurrent backfill batches to download, to maximize
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// network utilization at the cost of higher memory.
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BackfillWorkerCount = &cli.IntFlag{
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Name: backfillWorkerCountName,
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Usage: "Number of concurrent backfill batch requests. " +
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"A larger number will better utilize network resources, up to a system-dependent limit, but will also " +
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"consume more system memory to hold batches in memory during processing. Multiply by " + backfillBatchSizeName + " and " +
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"average block size (~2MB before deneb) to find the right number for your system. " +
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"This has a multiplicative effect with " + backfillBatchSizeName + ".",
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Value: 2,
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}
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)
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