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SOLR-13072: Document the "splitFuzz" parameter.

This commit is contained in:
Andrzej Bialecki 2019-01-09 17:21:47 +01:00
parent 1e14a6c6d6
commit 9423bdb0cf
2 changed files with 12 additions and 0 deletions
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4
solr/solr-ref-guide/src/collections-api.adoc
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@ -303,6 +303,10 @@ file that contains the list of deleted documents in each partition. This method
belonging to the partition. This slows down the replication process and consumes more disk space on replica nodes (the multiple hard-linked belonging to the partition. This slows down the replication process and consumes more disk space on replica nodes (the multiple hard-linked
copies don't occupy additional disk space on the leader node, unless hard-linking is not supported). copies don't occupy additional disk space on the leader node, unless hard-linking is not supported).
`splitFuzz`::
A float value (default is 0.0f, must be smaller than 0.5f) that allows to vary the sub-shard ranges
by this percentage of total shard range, odd shards being larger and even shards being smaller.
`property._name_=_value_`:: `property._name_=_value_`::
Set core property _name_ to _value_. See the section <<defining-core-properties.adoc#defining-core-properties,Defining core.properties>> for details on supported properties and values. Set core property _name_ to _value_. See the section <<defining-core-properties.adoc#defining-core-properties,Defining core.properties>> for details on supported properties and values.

8
solr/solr-ref-guide/src/solrcloud-autoscaling-triggers.adoc
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@ -311,6 +311,14 @@ The `link` method is much faster and puts very little load on the shard leader b
indexes that are initially as large as the parent shard's index, which slows down replication and indexes that are initially as large as the parent shard's index, which slows down replication and
may lead to excessive initial disk space consumption on replicas. may lead to excessive initial disk space consumption on replicas.
`splitFuzz`::
A float value (default is 0.0f, must be smaller than 0.5f) that allows to vary the sub-shard ranges
by this percentage of total shard range, odd shards being larger and even shards being smaller.
Non-zero values are useful for large indexes with aggressively growing size, as they help to prevent
avalanches of split shard requests when the total size of the index
reaches even multiples of the maximum shard size thresholds.
Events generated by this trigger contain additional details about the shards Events generated by this trigger contain additional details about the shards
that exceeded thresholds and the types of violations (upper / lower bounds, bytes / docs metrics). that exceeded thresholds and the types of violations (upper / lower bounds, bytes / docs metrics).