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  1. Home
  2. NetBackup™ Web UI Administrator's Guide
  3. Section III. Configuring hosts
  4. Managing host properties
  5. Cloud object store properties
NetBackup™ Web UI Administrator's Guide

Cloud object store properties

To access these properties, in the web UI select Hosts > Host properties. Select the primary server and click Edit primary server. Then click Cloud Storage. Select Generic configuration or Advanced configuration as required.

The Cloud object store properties apply to the Cloud object store workloads of the currently selected primary server.

Table: Generic Cloud object store properties

Property

Description

Crawler timeout (seconds)

Timeout (seconds) before the crawler starts child backup jobs for dynamic streaming workloads. Default: 1800 seconds. Valid range: 5 - 43,200 seconds.

Download object segment size (MB)

Segment size (MB) used to split large object downloads into smaller parts. Valid range: 1 - 512 MB.

Cloud object store crawler log verbosity level

Overrides the global VERBOSE setting for the NBCOSP log. Leave blank to use the global value. Valid range: 1 - 10.

BPBKAR log verbosity level

Verbosity level for the bpbkar log. Leave blank to use the global verbosity setting. Valid range: 1-10.

Object listing progress log interval

Logs listing progress every N list batches. Set to 0 to disable periodic progress logs. Valid range: 0 - 2000.

Log cloud API dumps

Logs cloud API request and response details.

Note:

May expose sensitive information. Enable only for diagnostics.

Per-object operation logging

Logs every individual object operation (list, download, and restore). Produces verbose output and is intended for diagnostics only.

Staging space wait timeout (minutes)

Timeout (minutes) the job waits for free space at the temporary staging location before starting a backup. Default: 60 minutes. Valid range: 5 - 60 minutes.

Staging space high-watermark (%)

High-watermark percentage for staging space usage. Applies only when the space check is enabled. Valid range: 30 - 80%.

Maximum space per job (GB)

Storage limit per-job when throttling is enabled.

Read-ahead object limit

Maximum number of objects the listing layer can read ahead when throttling is enabled. Valid range: 1,000 - 10,000,000.

Object download worker count

Total number of object download worker Goroutines distributed across all streams. Valid range: 10 - 1000.

Table: Advanced Cloud object store properties

Property

Description

Maximum CPU usage for the Cloud object store crawler process

Sets the Go GOMAXPROCS value to control NBCOSP process concurrency. Leave empty to use the runtime default.

Maximum threads in Cloud object store crawler

Sets the Go runtime maximum thread count using debug.SetMaxThreads. Leave empty to use the runtime default.

SQL listing checkpoint interval (seconds)

Interval, in seconds, between attempts to checkpoint the listing SQL database.

Staging space split mode

Staging space split mode to split the allowed staging space evenly per stream or job-wide:

  • 1: Job-wide split

  • 2: Per-stream split (default when throttling is enabled)

Enable Cloud object store crawler profiling

Enables the NBCOSP Go pprof profiling server on localhost. Use only for testing or diagnostics.

Use checkpoint start-after key

Uses a checkpoint-derived start-after key for resume and list continuation logic.

Preserve double slashes in object keys

Preserves consecutive double slashes (//) in object key paths.

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