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Details

Type: Improvement
Resolution: Done
Priority: Major
Fix Version/s: 5.0.0
Affects Version/s: master
Component/s: couchbase-bucket
Labels:
- kv-goodness
- supportability

Description

This MB covers the issue we've hit a number of times where the common example is that users need to adjust the number of NONIO threads without a restart of memcached.

We need truly dynamic support via epctl so that we can correctly increase or decrease the number of reader, writer, auxio and nonio thread.

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duplicates

MB-14761 cbepctl max_num_writers cannot increase writers

Closed

is duplicated by

MB-19838 Allow dynamic modification of ep-engine thread counts

Closed

relates to

MB-23215 Dynamic and persistent cluster-wide ep-engine threads

Closed

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(4 mentioned in)

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Assignee:: James Harrison (Inactive)

Reporter:: Jim Walker

Votes:: 0 Vote for this issue

Watchers:: 6 Start watching this issue

Dates

Created:: 20/Dec/16 3:11 AM

Updated:: 18/Dec/17 8:28 AM

Resolved:: 13/Apr/17 7:48 AM

Gerrit Reviews

There are no open Gerrit changes

Show There are 15 closed Gerrit changes

Hide There are 15 closed Gerrit changes

MB-22041 [1/N]: Relocate ThreadGate for use in other tests: Gerrit Review:

MB-22041 [4/N]: Add ExecutorPool tests: Gerrit Review:

MB-22041 [2/N]: Change existing tests to accommodate dynamic threads: Gerrit Review:

MB-22041 [3/N]: Allow dynamic changes to number of threads: Gerrit Review:

MB-22041 [6/N]: Limit worker threads to CPU count: Gerrit Review:

MB-22041 [7/N]: Change default worker count calculation: Gerrit Review:

MB-22041 [5/N]: Test that workers can be increased: Gerrit Review:

MB-22041 [7/N]: Correct thread naming: Gerrit Review:

MB-22041 [8/N]: Improve logging when changing thread counts: Gerrit Review:

MB-22041 [9/N]: Revert thread limits to 512: Gerrit Review:

MB-22041 [10/N]: Add config aliasing: Gerrit Review:

MB-22041 [11/N]: Replace hardcoded "cache_size" alias: Gerrit Review:

MB-22041 [12/N]: Rename thread count parameters: Gerrit Review:

MB-22041: Rename thread count parameters: Gerrit Review:

MB-22041: Rename thread count parameters: Gerrit Review:

ep-engine make the thread counts dynamically changeable

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Gerrit Reviews

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