capistrant commented on a change in pull request #11960:
URL: https://github.com/apache/druid/pull/11960#discussion_r764235666
##########
File path: web-console/src/druid-models/coordinator-dynamic-config.tsx
##########
@@ -213,14 +213,16 @@ export const COORDINATOR_DYNAMIC_CONFIG_FIELDS:
Field<CoordinatorDynamicConfig>[
defaultValue: 100,
info: (
<>
- The percentage of the total number of segments in the cluster that are
considered every time
- a segment needs to be selected for a move. Druid orders servers by
available capacity
- ascending (the least available capacity first) and then iterates over
the servers. For each
- server, Druid iterates over the segments on the server, considering
them for moving. The
- default config of 100% means that every segment on every server is a
candidate to be moved.
- This should make sense for most small to medium-sized clusters.
However, an admin may find
- it preferable to drop this value lower if they don't think that
it is worthwhile to
- consider every single segment in the cluster each time it is looking
for a segment to move.
+ Deprecated. This will be phased out by the batched segment sampler.
Only used if
Review comment:
could you clarify what you mean by this? I take it as you asking me to
state that the preferred alternative is to set `useBatchedSegmentSampler ==
true`. so perhaps?
> Deprecated. Will eventually be phased out by the batched segment sampler.
You can enable the batched segment sampler now by setting the dynamic
Coordinator config, `useBatchedSegmentSampler`, to `true`. Note that if you
choose enable the batched segment sampler, this config has no effect on
balancing. If `useBatchedSegmentSampler == false`, this config defines the
percentage of the total number of segments in the cluster that are considered
every time a segment needs to be selected for a move. Druid orders servers by
available capacity ascending (the least available capacity first) and then
iterates over the servers. For each server, Druid iterates over the segments on
the server, considering them for moving. The default config of 100% means that
every segment on every server is a candidate to be moved. This should make
sense for most small to medium-sized clusters. However, an admin may find it
preferable to drop this value lower if they don't think that it is worthwhile
to con
sider every single segment in the cluster each time it is looking for a
segment to move.|100|
##########
File path: web-console/src/druid-models/coordinator-dynamic-config.tsx
##########
@@ -213,14 +213,16 @@ export const COORDINATOR_DYNAMIC_CONFIG_FIELDS:
Field<CoordinatorDynamicConfig>[
defaultValue: 100,
info: (
<>
- The percentage of the total number of segments in the cluster that are
considered every time
- a segment needs to be selected for a move. Druid orders servers by
available capacity
- ascending (the least available capacity first) and then iterates over
the servers. For each
- server, Druid iterates over the segments on the server, considering
them for moving. The
- default config of 100% means that every segment on every server is a
candidate to be moved.
- This should make sense for most small to medium-sized clusters.
However, an admin may find
- it preferable to drop this value lower if they don't think that
it is worthwhile to
- consider every single segment in the cluster each time it is looking
for a segment to move.
+ Deprecated. This will be phased out by the batched segment sampler.
Only used if
Review comment:
could you clarify what you mean by this? I take it as you asking me to
state that the preferred alternative is to set `useBatchedSegmentSampler ==
true`. so perhaps:
> Deprecated. Will eventually be phased out by the batched segment sampler.
You can enable the batched segment sampler now by setting the dynamic
Coordinator config, `useBatchedSegmentSampler`, to `true`. Note that if you
choose enable the batched segment sampler, this config has no effect on
balancing. If `useBatchedSegmentSampler == false`, this config defines the
percentage of the total number of segments in the cluster that are considered
every time a segment needs to be selected for a move. Druid orders servers by
available capacity ascending (the least available capacity first) and then
iterates over the servers. For each server, Druid iterates over the segments on
the server, considering them for moving. The default config of 100% means that
every segment on every server is a candidate to be moved. This should make
sense for most small to medium-sized clusters. However, an admin may find it
preferable to drop this value lower if they don't think that it is worthwhile
to con
sider every single segment in the cluster each time it is looking for a
segment to move.|100|
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