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new 6ce2884 Start documenting Solr features supported in future versions.
(#342)
6ce2884 is described below
commit 6ce2884ac25b6aa8d922a65fd28af0d9334006fc
Author: Houston Putman <[email protected]>
AuthorDate: Thu Oct 14 15:07:54 2021 -0400
Start documenting Solr features supported in future versions. (#342)
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dev-docs/changes-for-minimum-solr-version.md | 46 ++++++++++++++++++++++++++++
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+# Changes for new minimum Solr Versions
+
+This is a list of improvements that can be made to the Solr Operator when it
is guaranteed that all Solrs will be at least a certain version.
+
+So when upgrading the minimum supported Solr Version for the operator, we can
then go ahead and make all improvements that align with versions <= the new
minimum supported version.
+
+## 8.x
+
+### 8.0
+
+- SOLR-11126: Used improved healthcheck handler (`/solr/admin/health`)
+
+### 8.1
+
+- SOLR-13336: Adding `<int
name="maxBooleanClauses">${solr.max.booleanClauses:1024}</int>` to the default
`solr.xml`.
+
+### 8.3
+- SOLR-13773: Adding SOLR_HEAP, SOLR_JAVA_MEM, GC_TUNE envVar options for the
Prometheus Exporter
+
+### 8.5
+
+- SOLR-14281: Adding `<str name="sharedLib">${solr.sharedLib:}</str>` to the
default `solr.xml`.
+
+### 8.6
+
+- SOLR-14561: Adding `<str name="allowPaths">${solr.allowPaths:}</str>` to the
default `solr.xml`.
+
+### 8.7
+
+- SOLR-14914: Adding `<metrics enabled="${metricsEnabled:true}"/>` to the
default `solr.xml`.
+
+### 8.8
+
+- SOLR-14955: Many of the prometheus exporter options can be set via EnvVars
now
+- SOLR-14999: Use SOLR_PORT_ADVERTISE for the hostPort information, instead of
using a custom option in the solr.xml
+ When we make this upgrade, we will not need to use a custom solr.xml unless
the user has specified custom options, such as backup repositories.
+
+## 9.x
+
+- SOLR-7642: Solr will create a chroot if necessary using the ZK_CREATE_CHROOT
envVar (maybe 8.11 after a backport)
+- SOLR-14957: Prometheus exporter bin is now in the PATH for the Solr docker
image
+
+## Future Wishlist
+
+- Have a bin/solr command to healthcheck the Solr Node (possibly split between
`live` and `ready`).
+ This command would need to support ZKACLs as well as SSL and basicAuth/jwt.
(related to SOLR-15199)
