Apache OpenDAL™ - v0.48.1
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    Class RetryLayer

    Retry layer

    Add retry for temporary failed operations.

    Notes

    This layer will retry failed operations when [Error::is_temporary] returns true. If the operation still failed, this layer will set error to Persistent which means error has been retried.

    write and blocking_write don't support retry so far, visit this issue for more details.

    Examples

    const op = new Operator("file", { root: "/tmp" })

    const retry = new RetryLayer();
    retry.max_times = 3;
    retry.jitter = true;

    op.layer(retry.build());
    Index

    Constructors

    constructor

    Accessors

    factor jitter maxDelay maxTimes minDelay

    Methods

    build

    Constructors

    Accessors

    • set factor(v: number): void

      Set factor of current backoff.

      Panics

      This function will panic if the input factor is smaller than 1.0.

      Parameters

      • v: number

      Returns void

    • set jitter(v: boolean): void

      Set jitter of current backoff.

      If jitter is enabled, ExponentialBackoff will add a random jitter in [0, min_delay) to current delay.

      Parameters

      • v: boolean

      Returns void

    • set maxDelay(v: number): void

      Set max_delay of current backoff.

      Delay will not increase if the current delay is larger than max_delay.

      Notes

      • The unit of max_delay is millisecond.

      Parameters

      • v: number

      Returns void

    • set maxTimes(v: number): void

      Set max_times of current backoff.

      Backoff will return None if max times are reached.

      Parameters

      • v: number

      Returns void

    • set minDelay(v: number): void

      Set min_delay of current backoff.

      Notes

      • The unit of min_delay is millisecond.

      Parameters

      • v: number

      Returns void

    Methods

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