Remove Diskcache

CHANGELOG.md

@@ -5,6 +5,7 @@
 * [CHANGE] Remove S3 automatic bucket creation [#404](https://github.com/grafana/tempo/pull/404)
 * [CHANGE] Compactors should round robin tenants instead of choosing randomly [#420](https://github.com/grafana/tempo/issues/420)
 * [CHANGE] Switch distributor->ingester communication to more efficient PushBytes method.  This is a **breaking change** when running in microservices mode with separate distributors and ingesters.  To prevent errors ingesters must be fully upgraded first, then distributors.
+* [CHANGE] Removed disk_cache.  This is a **breaking change** b/c there is no disk cache. Please use redis or memcached. [#441](https://github.com/grafana/tempo/pull/441)
 * [ENHANCEMENT] Add docker-compose example for GCS along with new backend options [#397](https://github.com/grafana/tempo/pull/397)
 * [ENHANCEMENT] tempo-cli list blocks usability improvements [#403](https://github.com/grafana/tempo/pull/403)
 * [ENHANCEMENT] Add Query Frontend module to allow scaling the query path [#400](https://github.com/grafana/tempo/pull/400)

go.mod

@@ -23,7 +23,6 @@ require (
 	github.com/hashicorp/go-hclog v0.14.0
 	github.com/jaegertracing/jaeger v1.18.2-0.20200707061226-97d2319ff2be
 	github.com/jsternberg/zap-logfmt v1.0.0
-	github.com/karrick/godirwalk v1.16.1
 	github.com/minio/minio-go/v7 v7.0.5
 	github.com/olekukonko/tablewriter v0.0.2
 	github.com/open-telemetry/opentelemetry-proto v0.4.0

go.sum

@@ -1181,8 +1181,6 @@ github.com/karrick/godirwalk v1.7.7/go.mod h1:2c9FRhkDxdIbgkOnCEvnSWs71Bhugbl46s
 github.com/karrick/godirwalk v1.7.8/go.mod h1:2c9FRhkDxdIbgkOnCEvnSWs71Bhugbl46shStcFDJ34=
 github.com/karrick/godirwalk v1.8.0/go.mod h1:H5KPZjojv4lE+QYImBI8xVtrBRgYrIVsaRPx4tDPEn4=
 github.com/karrick/godirwalk v1.10.3/go.mod h1:RoGL9dQei4vP9ilrpETWE8CLOZ1kiN0LhBygSwrAsHA=
-github.com/karrick/godirwalk v1.16.1 h1:DynhcF+bztK8gooS0+NDJFrdNZjJ3gzVzC545UNA9iw=
-github.com/karrick/godirwalk v1.16.1/go.mod h1:j4mkqPuvaLI8mp1DroR3P6ad7cyYd4c1qeJ3RV7ULlk=
 github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
 github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
 github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00=