add ingest-transaction-backlog topic

CODEOWNERS

@@ -21,13 +21,16 @@
 /topics/ingest-generic-metrics-dlq.yaml                        @getsentry/owners-snuba
 /topics/ingest-feedback-events-dlq.yaml                        @getsentry/owners-snuba @getsentry/replay
 
+# BLQs for ingest topics
+/topics/ingest-transactions-blq.yaml                           @getsentry/ops
+
 # Topics consumed by Snuba
 /topics/events.yaml                                            @getsentry/owners-snuba
 /topics/transactions.yaml                                      @getsentry/owners-snuba
 /topics/outcomes.yaml                                          @getsentry/owners-snuba
 /topics/outcomes-dlq.yaml                                      @getsentry/owners-snuba
 /topics/outcomes-billing.yaml                                  @getsentry/owners-snuba @getsentry/revenue
-/topics/outcomes-billing-dlq.yaml                                  @getsentry/owners-snuba @getsentry/revenue
+/topics/outcomes-billing-dlq.yaml                              @getsentry/owners-snuba @getsentry/revenue
 /topics/snuba-metrics.yaml                                     @getsentry/owners-snuba
 /topics/snuba-generic-metrics.yaml                             @getsentry/owners-snuba
 /topics/generic-events.yaml                                    @getsentry/owners-snuba @getsentry/issues

topics/ingest-transactions-blq.yaml

@@ -0,0 +1,17 @@
+pipeline: transactions
+description: Backlog queue for ingest-transactions
+services:
+  producers:
+    - getsentry/sentry
+  consumers: []
+schemas:
+  - version: 1
+    compatibility_mode: none
+    type: json
+    resource: any.json
+    examples:
+      - any/
+topic_creation_config:
+  compression.type: lz4
+  retention.ms: "604800000" # 7 days
+  max.message.bytes: "10000000"