| vdev_queue.c (249206) | vdev_queue.c (251631) |
|---|---|
| 1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE --- 21 unchanged lines hidden (view full) --- 30#include <sys/zfs_context.h> 31#include <sys/vdev_impl.h> 32#include <sys/zio.h> 33#include <sys/avl.h> 34 35/* 36 * These tunables are for performance analysis. 37 */ | 1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE --- 21 unchanged lines hidden (view full) --- 30#include <sys/zfs_context.h> 31#include <sys/vdev_impl.h> 32#include <sys/zio.h> 33#include <sys/avl.h> 34 35/* 36 * These tunables are for performance analysis. 37 */ |
| 38 39/* The maximum number of I/Os concurrently pending to each device. */ 40int zfs_vdev_max_pending = 10; 41 |
|
| 38/* | 42/* |
| 39 * zfs_vdev_max_pending is the maximum number of i/os concurrently 40 * pending to each device. zfs_vdev_min_pending is the initial number 41 * of i/os pending to each device (before it starts ramping up to 42 * max_pending). | 43 * The initial number of I/Os pending to each device, before it starts ramping 44 * up to zfs_vdev_max_pending. |
| 43 */ | 45 */ |
| 44int zfs_vdev_max_pending = 10; | |
| 45int zfs_vdev_min_pending = 4; 46 47/* 48 * The deadlines are grouped into buckets based on zfs_vdev_time_shift: 49 * deadline = pri + gethrtime() >> time_shift) 50 */ 51int zfs_vdev_time_shift = 29; /* each bucket is 0.537 seconds */ 52 --- 395 unchanged lines hidden --- | 46int zfs_vdev_min_pending = 4; 47 48/* 49 * The deadlines are grouped into buckets based on zfs_vdev_time_shift: 50 * deadline = pri + gethrtime() >> time_shift) 51 */ 52int zfs_vdev_time_shift = 29; /* each bucket is 0.537 seconds */ 53 --- 395 unchanged lines hidden --- |