Highlighter doesn't support ToParent and ToChildBlockJoinQuery out of the
box anymore. In oder to highlight on Block-Join Queries a custom WeightedSpanTermExtractor
should be used.
This fixes the CollectionsAPIDistributedZkTest.testCoresAreDistributedAcrossNodes test failures. Due to the various tests for exceptional conditions, there were times where the session was not released causing stale data to remain in the policy session cache.
This test too makes assumptions about how replicas are placed. In the legacy assignment strategy, the replica of a given collection are spread equally across all nodes but with the new policy based strategy, all cores across collections are spread out. Therefore the assumptions in this test were wrong. I've changed this test to use the legacy assignment policy because testing the autoAddReplicas feature doesn't have to depend on new replica assignment strategies. This change also fixes a bug in Assign which used "collection" key instead of "cluster" to figure out which strategy to use.
Previously, the maxShardsPerNode parameter was not allowed on collections when autoscaling policy was configured. Also if an autoscaling policy was configured then the default was to set an unlimited maxShardsPerNode automatically. Now the maxShardsPerNode parameter is always allowed during collection creation and maxShardsPerNode should be set correctly (if required) regardless of whether autoscaling policies are in effect or not. The default value of maxShardsPerNode continues to be 1 as before. It can be set to -1 during collection creation to fall back to the old behavior of unlimited maxShardsPerNode when using autoscaling policy. This patch also fixes PolicyHelper to find the free disk space requirements of a new replica from the leader only if said leader node is alive.
Wrapping is now a bit more lightweight: Does not create FieldInfo for fields that
can't be uninverted (saves mem) and can avoid wrapping the reader altogether if there's nothing to uninvert.
IndexSchema.getUninversionMap refactored to getUninversionMapper and no longer merges FieldInfos.
The cluster wide defaults structure has changed from {collectionDefaults: {nrtReplicas : 2}} to {defaults : {collection : {nrtReplicas : 2}}}. The old format continues to be supported and can be read from ZK as well as written using the V2 set-obj-property syntax but it is deprecated and will be removed in Solr 9. We recommend that users change their API calls to use the new format going forward.
This commit deprecates the min_rf parameter. Solr now always includes the achieved replication
factor in the update requests (as if min_rf was always specified). Also, reverts the changes
introduced in SOLR-8034, replicas that don't ack an update will have to recover to prevent
inconsistent shards.
* added "ignored_*" to the default configSet
* Updated Ref Guide info on Solr Cell to demonstrate usage without using the techproducts configSet
Closes#438