[kudu-CR] [docs] Add docs for 'Could not create thread' error

[Will Berkeley (Code Review)]

Will Berkeley has submitted this change and it was merged. ( 
http://gerrit.cloudera.org:8080/10078 )

Change subject: [docs] Add docs for 'Could not create thread' error
..

[docs] Add docs for 'Could not create thread' error

Change-Id: I1e24dc98a0f51a0af2d4959043ae80d44ba1ba0a
Reviewed-on: http://gerrit.cloudera.org:8080/10078
Reviewed-by: Adar Dembo 
Tested-by: Will Berkeley 
Reviewed-by: Todd Lipcon 
---
M docs/troubleshooting.adoc
1 file changed, 17 insertions(+), 0 deletions(-)

Approvals:
  Adar Dembo: Looks good to me, but someone else must approve
  Will Berkeley: Verified
  Todd Lipcon: Looks good to me, approved

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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I1e24dc98a0f51a0af2d4959043ae80d44ba1ba0a
Gerrit-Change-Number: 10078
Gerrit-PatchSet: 3
Gerrit-Owner: Will Berkeley 
Gerrit-Reviewer: Adar Dembo 
Gerrit-Reviewer: Alexey Serbin 
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Todd Lipcon 
Gerrit-Reviewer: Will Berkeley 

[kudu-CR] [docs] Add docs for 'Could not create thread' error

[Todd Lipcon (Code Review)]

Todd Lipcon has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/10078 )

Change subject: [docs] Add docs for 'Could not create thread' error
..


Patch Set 2: Code-Review+2


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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I1e24dc98a0f51a0af2d4959043ae80d44ba1ba0a
Gerrit-Change-Number: 10078
Gerrit-PatchSet: 2
Gerrit-Owner: Will Berkeley 
Gerrit-Reviewer: Adar Dembo 
Gerrit-Reviewer: Alexey Serbin 
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Todd Lipcon 
Gerrit-Reviewer: Will Berkeley 
Gerrit-Comment-Date: Mon, 16 Apr 2018 23:10:32 +
Gerrit-HasComments: No

[kudu-CR] [docs] Add docs for 'Could not create thread' error

[Will Berkeley (Code Review)]

Will Berkeley has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/10078 )

Change subject: [docs] Add docs for 'Could not create thread' error
..


Patch Set 2: Verified+1

Jenkins -.-


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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I1e24dc98a0f51a0af2d4959043ae80d44ba1ba0a
Gerrit-Change-Number: 10078
Gerrit-PatchSet: 2
Gerrit-Owner: Will Berkeley 
Gerrit-Reviewer: Adar Dembo 
Gerrit-Reviewer: Alexey Serbin 
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Will Berkeley 
Gerrit-Comment-Date: Mon, 16 Apr 2018 19:35:59 +
Gerrit-HasComments: No

[kudu-CR] [docs] Add docs for 'Could not create thread' error

[Will Berkeley (Code Review)]

Will Berkeley has removed a vote on this change.

Change subject: [docs] Add docs for 'Could not create thread' error
..


Removed Verified-1 by Kudu Jenkins (120)
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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: deleteVote
Gerrit-Change-Id: I1e24dc98a0f51a0af2d4959043ae80d44ba1ba0a
Gerrit-Change-Number: 10078
Gerrit-PatchSet: 2
Gerrit-Owner: Will Berkeley 
Gerrit-Reviewer: Adar Dembo 
Gerrit-Reviewer: Alexey Serbin 
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Will Berkeley 

[kudu-CR] [docs] Add docs for 'Could not create thread' error

[Adar Dembo (Code Review)]

Adar Dembo has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/10078 )

Change subject: [docs] Add docs for 'Could not create thread' error
..


Patch Set 2: Code-Review+1


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Gerrit-Project: kudu
Gerrit-Branch: master
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Gerrit-Change-Id: I1e24dc98a0f51a0af2d4959043ae80d44ba1ba0a
Gerrit-Change-Number: 10078
Gerrit-PatchSet: 2
Gerrit-Owner: Will Berkeley 
Gerrit-Reviewer: Adar Dembo 
Gerrit-Reviewer: Alexey Serbin 
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Will Berkeley 
Gerrit-Comment-Date: Mon, 16 Apr 2018 18:57:10 +
Gerrit-HasComments: No

[kudu-CR] [docs] Add docs for 'Could not create thread' error

[Will Berkeley (Code Review)]

Will Berkeley has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/10078 )

Change subject: [docs] Add docs for 'Could not create thread' error
..


Patch Set 1:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/10078/1/docs/troubleshooting.adoc
File docs/troubleshooting.adoc:

http://gerrit.cloudera.org:8080/#/c/10078/1/docs/troubleshooting.adoc@570
PS1, Line 570: This
 : usually happens on tablet servers, and is a sign that the tablet 
server hosts
 : too many tablet replicas.
> While true in the abstract, we've put a lot of work into new releases to pr
I'll emphasize this error is most pertinent for older versions.


http://gerrit.cloudera.org:8080/#/c/10078/1/docs/troubleshooting.adoc@575
PS1, Line 575: This may involve
> Do you think it's worth recommending moving tablet replicas as well (i.e. u
No, because I've never seen this be a result of imbalance, only 
over-partitioning.



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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I1e24dc98a0f51a0af2d4959043ae80d44ba1ba0a
Gerrit-Change-Number: 10078
Gerrit-PatchSet: 1
Gerrit-Owner: Will Berkeley 
Gerrit-Reviewer: Adar Dembo 
Gerrit-Reviewer: Alexey Serbin 
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Will Berkeley 
Gerrit-Comment-Date: Mon, 16 Apr 2018 18:55:26 +
Gerrit-HasComments: Yes

[kudu-CR] [docs] Add docs for 'Could not create thread' error

[Will Berkeley (Code Review)]

Hello Alexey Serbin, Kudu Jenkins, Adar Dembo,

I'd like you to reexamine a change. Please visit

http://gerrit.cloudera.org:8080/10078

to look at the new patch set (#2).

Change subject: [docs] Add docs for 'Could not create thread' error
..

[docs] Add docs for 'Could not create thread' error

Change-Id: I1e24dc98a0f51a0af2d4959043ae80d44ba1ba0a
---
M docs/troubleshooting.adoc
1 file changed, 17 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/78/10078/2
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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I1e24dc98a0f51a0af2d4959043ae80d44ba1ba0a
Gerrit-Change-Number: 10078
Gerrit-PatchSet: 2
Gerrit-Owner: Will Berkeley 
Gerrit-Reviewer: Adar Dembo 
Gerrit-Reviewer: Alexey Serbin 
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Will Berkeley 

[kudu-CR] [docs] Add docs for 'Could not create thread' error

[Adar Dembo (Code Review)]

Adar Dembo has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/10078 )

Change subject: [docs] Add docs for 'Could not create thread' error
..


Patch Set 1:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/10078/1/docs/troubleshooting.adoc
File docs/troubleshooting.adoc:

http://gerrit.cloudera.org:8080/#/c/10078/1/docs/troubleshooting.adoc@570
PS1, Line 570: This
 : usually happens on tablet servers, and is a sign that the tablet 
server hosts
 : too many tablet replicas.
While true in the abstract, we've put a lot of work into new releases to 
prevent it from happening. As of 1.7 we wouldn't really expect to see this 
except if bootstrapping thousands of tiny tablets, at which point each tablet's 
WAL appending and preallocation threads can stack up.

I suppose the troubleshooting advice you've provided is still appropriate, and 
it's generic enough to apply to the exceptional situation I'm referring to. 
Still, I would expect this particular piece of advice to be far more relevant 
for _older_ Kudu releases.



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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I1e24dc98a0f51a0af2d4959043ae80d44ba1ba0a
Gerrit-Change-Number: 10078
Gerrit-PatchSet: 1
Gerrit-Owner: Will Berkeley 
Gerrit-Reviewer: Adar Dembo 
Gerrit-Reviewer: Alexey Serbin 
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Comment-Date: Mon, 16 Apr 2018 18:12:51 +
Gerrit-HasComments: Yes

[kudu-CR] [docs] Add docs for 'Could not create thread' error

[Alexey Serbin (Code Review)]

Alexey Serbin has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/10078 )

Change subject: [docs] Add docs for 'Could not create thread' error
..


Patch Set 1: Code-Review+1

(1 comment)

http://gerrit.cloudera.org:8080/#/c/10078/1/docs/troubleshooting.adoc
File docs/troubleshooting.adoc:

http://gerrit.cloudera.org:8080/#/c/10078/1/docs/troubleshooting.adoc@575
PS1, Line 575: This may involve
Do you think it's worth recommending moving tablet replicas as well (i.e. using 
'kudu tablet change_config move_replica' ?)



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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I1e24dc98a0f51a0af2d4959043ae80d44ba1ba0a
Gerrit-Change-Number: 10078
Gerrit-PatchSet: 1
Gerrit-Owner: Will Berkeley 
Gerrit-Reviewer: Alexey Serbin 
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Comment-Date: Mon, 16 Apr 2018 18:04:12 +
Gerrit-HasComments: Yes

[kudu-CR] [docs] Add docs for 'Could not create thread' error

[Will Berkeley (Code Review)]

Will Berkeley has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/10078


Change subject: [docs] Add docs for 'Could not create thread' error
..

[docs] Add docs for 'Could not create thread' error

Change-Id: I1e24dc98a0f51a0af2d4959043ae80d44ba1ba0a
---
M docs/troubleshooting.adoc
1 file changed, 16 insertions(+), 0 deletions(-)



  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/78/10078/1
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Gerrit-Project: kudu
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Gerrit-Change-Id: I1e24dc98a0f51a0af2d4959043ae80d44ba1ba0a
Gerrit-Change-Number: 10078
Gerrit-PatchSet: 1
Gerrit-Owner: Will Berkeley