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new acd973273f5 Docs: adds MSQ examples to front coded dict. migration
(#17236)
acd973273f5 is described below
commit acd973273f5c8a38adfaf11b172b969636f426b7
Author: Charles Smith <techdocsm...@gmail.com>
AuthorDate: Thu Oct 3 16:33:34 2024 -0700
Docs: adds MSQ examples to front coded dict. migration (#17236)
* add msq example
* adjust json formatting
---
docs/release-info/migr-front-coded-dict.md | 35 +++++++++++++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)
diff --git a/docs/release-info/migr-front-coded-dict.md
b/docs/release-info/migr-front-coded-dict.md
index 1c825d4f6e3..4080d5f4709 100644
--- a/docs/release-info/migr-front-coded-dict.md
+++ b/docs/release-info/migr-front-coded-dict.md
@@ -47,7 +47,7 @@ You can specify the following optional properties:
For example:
-```
+```json
"tuningConfig": {
"indexSpec": {
"stringDictionaryEncoding": {
@@ -59,6 +59,39 @@ For example:
}
```
+For SQL based ingestion, you can add the `indexSpec` to your query context.
+In the Web Console, select *Edit context* from the context from the *Engine:*
menu and enter the `indexSpec`. For example:
+
+```json
+{
+...
+"indexSpec": {
+ "stringDictionaryEncoding": {
+ "type": "frontCoded",
+ "bucketSize": 4,
+ "formatVersion": 1
+ }
+}
+}
+```
+
+For API calls to the SQL-based ingestion API, include the `indexSpec` in the
context in the request payload. For example:
+
+```json
+{
+"query": ...
+"context": {
+ "maxNumTasks": 3
+ "indexSpec": {
+ "stringDictionaryEncoding": {
+ "type": "frontCoded",
+ "bucketSize": 4,
+ "formatVersion": 1}
+ }
+ }
+}
+```
+
## Upgrade from Druid 25.0.0
Druid 26.0.0 introduced a new version of the front-coded dictionary, version
1, offering typically faster read speeds and smaller storage sizes.
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