mem_report: Memory Usage Report

In shard: Deterministic, Zero-Copy Parallel Execution for R

Memory Usage Report

Description

Generates a report of memory usage across all workers in the pool.

Usage

mem_report(pool = NULL)

Arguments

pool	Optional. A shard_pool object. If NULL, uses the current pool.

Value

An S3 object of class shard_report with type "memory" containing:

• type: "memory"

• timestamp: When the report was generated

• pool_active: Whether a pool exists

• n_workers: Number of workers

• rss_limit: RSS limit per worker (bytes)

• total_rss: Sum of RSS across all workers

• peak_rss: Highest RSS among workers

• mean_rss: Mean RSS across workers

• workers: Per-worker RSS details

Examples

p <- pool_create(2)
mem_report(p)
pool_stop(p)

shard documentation built on April 3, 2026, 9:08 a.m.