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Paul Dagnelie 17e212652d
Prevent zevent list from consuming all of kernel memory 
There are a couple changes included here. The first is to introduce 
a cap on the size the ZED will grow the zevent list to. One million 
entries is more than enough for most use cases, and if you are 
overflowing that value, the problem needs to be addressed another 
way. The value is also tunable, for those who want the limit to be 
higher or lower. 
 
The other change is to add a kernel module parameter that allows 
snapshot creation/deletion to be exempted from the history logging; 
for most workloads, having these things logged is valuable, but for 
some workloads it produces large quantities of log spam and isn't 
especially helpful.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Paul Dagnelie <pcd@delphix.com>
Issue #13374 
Closes #13753
 		2022-08-22 12:36:22 -07:00
..
.gitignore Ignore *.o.ur-safe build artifacts 2018-05-13 18:59:02 -07:00
fsck.zfs.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
mount.zfs.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
vdev_id.8 vdev_id.8: modernise, note scsi topology 2021-05-29 20:22:01 -07:00
zdb.8 man: Examples: use subsections instead of lists 2022-03-28 10:13:13 -07:00
zed.8.in Prevent zevent list from consuming all of kernel memory 2022-08-22 12:36:22 -07:00
zfs-allow.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-bookmark.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-change-key.8 Reorganize zfs(8) man page into sections 2019-11-12 11:17:40 -08:00
zfs-clone.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-create.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-destroy.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-diff.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-get.8 Reorganize zfs(8) man page into sections 2019-11-12 11:17:40 -08:00
zfs-groupspace.8 Reorganize zfs(8) man page into sections 2019-11-12 11:17:40 -08:00
zfs-hold.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-inherit.8 Reorganize zfs(8) man page into sections 2019-11-12 11:17:40 -08:00
zfs-jail.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-list.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-load-key.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-mount-generator.8.in etc/systemd/zfs-mount-generator: serialise, handle keylocation=http[s]:// 2021-11-30 09:29:50 -07:00
zfs-mount.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-program.8 Fix incorrect use of unit prefix names in man pages 2022-05-04 11:44:12 -07:00
zfs-project.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-projectspace.8 Reorganize zfs(8) man page into sections 2019-11-12 11:17:40 -08:00
zfs-promote.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-receive.8 Implement a new type of zfs receive: corrective receive (-c) 2022-07-28 15:52:46 -07:00
zfs-recv.8 Reorganize zfs(8) man page into sections 2019-11-12 11:17:40 -08:00
zfs-redact.8 Reorganize zfs(8) man page into sections 2019-11-12 11:17:40 -08:00
zfs-release.8 Reorganize zfs(8) man page into sections 2019-11-12 11:17:40 -08:00
zfs-rename.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-rollback.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-send.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-set.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-share.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-snapshot.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-unallow.8 Reorganize zfs(8) man page into sections 2019-11-12 11:17:40 -08:00
zfs-unjail.8 Add FreeBSD jail support hooks 2019-12-11 11:58:37 -08:00
zfs-unload-key.8 Reorganize zfs(8) man page into sections 2019-11-12 11:17:40 -08:00
zfs-unmount.8 Reorganize zfs(8) man page into sections 2019-11-12 11:17:40 -08:00
zfs-unzone.8 Add Linux namespace delegation support 2022-06-10 09:51:46 -07:00
zfs-upgrade.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-userspace.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-wait.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs-zone.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs_ids_to_path.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zgenhostid.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zinject.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-add.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-attach.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-checkpoint.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-clear.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-create.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-destroy.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-detach.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-events.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-export.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-get.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-history.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-import.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-initialize.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-iostat.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-labelclear.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-list.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-offline.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-online.8 Reorganize zpool(8) man page into sections 2019-11-13 09:21:07 -08:00
zpool-reguid.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-remove.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-reopen.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-replace.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-resilver.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-scrub.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-set.8 Reorganize zpool(8) man page into sections 2019-11-13 09:21:07 -08:00
zpool-split.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-status.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-sync.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-trim.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-upgrade.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool-wait.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpool_influxdb.8 Consistentify miscellaneous style on remaining manpages 2021-06-09 14:35:53 -07:00
zstream.8 Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zstreamdump.8 zstreamdump: replace with link to zstream 2021-05-21 10:16:14 -07:00