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Introduce read/write kstats per dataset

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The following patch introduces a few statistics on reads and writes
grouped by dataset. These statistics are implemented as kstats
(backed by aggregate sums for performance) and can be retrieved by
using the dataset objset ID number. The motivation for this change is
to provide some preliminary analytics on dataset usage/performance.

Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Closes #7705
This commit is contained in:
Serapheim Dimitropoulos
2018-08-20 09:52:37 -07:00
committed by Brian Behlendorf
parent fa84714abb
commit a448a2557e
16 changed files with 368 additions and 78 deletions
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module/zcommon/zfs_prop.c
+2 -2
View File
@@ -511,6 +511,8 @@ zfs_prop_init(void)
zprop_register_number(ZFS_PROP_PBKDF2_ITERS, "pbkdf2iters",
0, PROP_ONETIME_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
"<iters>", "PBKDF2ITERS");
zprop_register_number(ZFS_PROP_OBJSETID, "objsetid", 0,
PROP_READONLY, ZFS_TYPE_DATASET, "<uint64>", "OBJSETID");
/* default number properties */
zprop_register_number(ZFS_PROP_QUOTA, "quota", 0, PROP_DEFAULT,
@@ -552,8 +554,6 @@ zfs_prop_init(void)
"USERACCOUNTING");
zprop_register_hidden(ZFS_PROP_UNIQUE, "unique", PROP_TYPE_NUMBER,
PROP_READONLY, ZFS_TYPE_DATASET, "UNIQUE");
zprop_register_hidden(ZFS_PROP_OBJSETID, "objsetid", PROP_TYPE_NUMBER,
PROP_READONLY, ZFS_TYPE_DATASET, "OBJSETID");
zprop_register_hidden(ZFS_PROP_INCONSISTENT, "inconsistent",
PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_DATASET, "INCONSISTENT");
zprop_register_hidden(ZFS_PROP_PREV_SNAP, "prevsnap", PROP_TYPE_STRING,
module/zcommon/zpool_prop.c
+3 -1
View File
@@ -21,7 +21,7 @@
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2012, 2017 by Delphix. All rights reserved.
* Copyright (c) 2012, 2018 by Delphix. All rights reserved.
*/
#include <sys/zio.h>
@@ -93,6 +93,8 @@ zpool_prop_init(void)
ZFS_TYPE_POOL, "<size>", "CAP");
zprop_register_number(ZPOOL_PROP_GUID, "guid", 0, PROP_READONLY,
ZFS_TYPE_POOL, "<guid>", "GUID");
zprop_register_number(ZPOOL_PROP_LOAD_GUID, "load_guid", 0,
PROP_READONLY, ZFS_TYPE_POOL, "<load_guid>", "LOAD_GUID");
zprop_register_number(ZPOOL_PROP_HEALTH, "health", 0, PROP_READONLY,
ZFS_TYPE_POOL, "<state>", "HEALTH");
zprop_register_number(ZPOOL_PROP_DEDUPRATIO, "dedupratio", 0,