diff --git a/pkg/debuginfo/fake.go b/pkg/debuginfo/fake.go
new file mode 100644
index 000000000..4515c339c
--- /dev/null
+++ b/pkg/debuginfo/fake.go
@@ -0,0 +1,47 @@
+package debuginfo
+
+import (
+	"context"
+
+	"github.com/go-kit/log"
+	"github.com/go-kit/log/level"
+
+	parcadebuginfov1 "github.com/parca-dev/parca/gen/proto/go/parca/debuginfo/v1alpha1"
+)
+
+type fakeDebugInfo struct {
+	parcadebuginfov1.UnimplementedDebugInfoServiceServer
+
+	logger log.Logger
+}
+
+func New(logger log.Logger) parcadebuginfov1.DebugInfoServiceServer {
+	return &fakeDebugInfo{
+		logger: logger,
+	}
+}
+
+// Exists returns true if the given build_id has debug info uploaded for it.
+func (f *fakeDebugInfo) Exists(ctx context.Context, req *parcadebuginfov1.ExistsRequest) (*parcadebuginfov1.ExistsResponse, error) {
+	level.Warn(f.logger).Log("msg", "received exists request", "buildid", req.GetBuildId(), "hash", req.GetHash())
+
+	return &parcadebuginfov1.ExistsResponse{
+		Exists: false,
+	}, nil
+}
+
+// Upload ingests debug info for a given build_id
+func (f *fakeDebugInfo) Upload(u parcadebuginfov1.DebugInfoService_UploadServer) error {
+	req, err := u.Recv()
+	if err != nil {
+		return err
+	}
+	level.Warn(f.logger).Log("msg", "received upload", "buildid", req.GetInfo().GetBuildId(), "hash", req.GetInfo().GetHash())
+
+	return nil
+}
+
+// Download returns the debug info for a given build_id.
+func (_ *fakeDebugInfo) Download(*parcadebuginfov1.DownloadRequest, parcadebuginfov1.DebugInfoService_DownloadServer) error {
+	return nil
+}
diff --git a/pkg/distributor/distributor.go b/pkg/distributor/distributor.go
index 3eebe3d75..e85f66af6 100644
--- a/pkg/distributor/distributor.go
+++ b/pkg/distributor/distributor.go
@@ -12,11 +12,13 @@ import (
 
 	"github.com/bufbuild/connect-go"
 	"github.com/go-kit/log"
+	"github.com/go-kit/log/level"
 	"github.com/google/uuid"
 	"github.com/grafana/dskit/ring"
 	ring_client "github.com/grafana/dskit/ring/client"
 	"github.com/grafana/dskit/services"
 	"github.com/opentracing/opentracing-go"
+	parcastorev1 "github.com/parca-dev/parca/gen/proto/go/parca/profilestore/v1alpha1"
 	"github.com/parca-dev/parca/pkg/scrape"
 	"github.com/pkg/errors"
 	"github.com/prometheus/client_golang/prometheus"
@@ -147,6 +149,8 @@ func (d *Distributor) Push(ctx context.Context, req *connect.Request[pushv1.Push
 
 			p.Normalize()
 
+			level.Warn(d.logger).Log("msg", "received sample", "labels", firemodel.LabelPairsString(series.Labels), "type", p.StringTable[p.SampleType[0].Type])
+
 			// reuse the data buffer if possible
 			size := p.SizeVT()
 			if cap(data) < size {
@@ -309,3 +313,44 @@ func TokenFor(tenantID, labels string) uint32 {
 	_, _ = h.Write([]byte(labels))
 	return h.Sum32()
 }
+
+func (d *Distributor) ParcaProfileStore() parcastorev1.ProfileStoreServiceServer {
+	return &ParcaProfileStore{
+		distributor: d,
+	}
+}
+
+type ParcaProfileStore struct {
+	parcastorev1.UnimplementedProfileStoreServiceServer
+	distributor *Distributor
+}
+
+func (s *ParcaProfileStore) WriteRaw(ctx context.Context, req *parcastorev1.WriteRawRequest) (*parcastorev1.WriteRawResponse, error) {
+	nReq := &pushv1.PushRequest{
+		Series: make([]*pushv1.RawProfileSeries, len(req.Series)),
+	}
+	for idxSeries, series := range req.Series {
+		nReq.Series[idxSeries] = &pushv1.RawProfileSeries{
+			Samples: make([]*pushv1.RawSample, len(series.Samples)),
+			Labels:  make([]*commonv1.LabelPair, len(series.Labels.Labels)),
+		}
+		for idx, l := range series.Labels.Labels {
+			nReq.Series[idxSeries].Labels[idx] = &commonv1.LabelPair{
+				Name:  l.Name,
+				Value: l.Value,
+			}
+		}
+		for idx, s := range series.Samples {
+			nReq.Series[idxSeries].Samples[idx] = &pushv1.RawSample{
+				RawProfile: s.RawProfile,
+			}
+		}
+		level.Warn(s.distributor.logger).Log("msg", "converted parca sample", "labels", firemodel.LabelPairsString(nReq.Series[idxSeries].Labels))
+	}
+
+	if _, err := s.distributor.Push(ctx, connect.NewRequest(nReq)); err != nil {
+		return nil, err
+	}
+
+	return &parcastorev1.WriteRawResponse{}, nil
+}
diff --git a/pkg/fire/modules.go b/pkg/fire/modules.go
index a872d60a4..b72cd3828 100644
--- a/pkg/fire/modules.go
+++ b/pkg/fire/modules.go
@@ -13,8 +13,9 @@ import (
 	"github.com/grafana/dskit/ring"
 	"github.com/grafana/dskit/services"
 	grpcgw "github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
+	parcadebuginfov1 "github.com/parca-dev/parca/gen/proto/go/parca/debuginfo/v1alpha1"
+	parcastorev1 "github.com/parca-dev/parca/gen/proto/go/parca/profilestore/v1alpha1"
 	"github.com/pkg/errors"
-
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/common/version"
 	"github.com/thanos-io/thanos/pkg/discovery/dns"
@@ -24,6 +25,7 @@ import (
 	"golang.org/x/net/http2/h2c"
 
 	"github.com/grafana/fire/pkg/agent"
+	"github.com/grafana/fire/pkg/debuginfo"
 	"github.com/grafana/fire/pkg/distributor"
 	"github.com/grafana/fire/pkg/firedb"
 	agentv1 "github.com/grafana/fire/pkg/gen/agent/v1"
@@ -107,7 +109,13 @@ func (f *Fire) initDistributor() (services.Service, error) {
 	// initialise direct pusher, this overwrites the default HTTP client
 	f.pusherClient = d
 
+	// register pusher
 	pushv1connect.RegisterPusherServiceHandler(f.Server.HTTP, d)
+
+	// register parca compatible profile store
+	parcastorev1.RegisterProfileStoreServiceServer(f.Server.GRPC, d.ParcaProfileStore())
+	parcadebuginfov1.RegisterDebugInfoServiceServer(f.Server.GRPC, debuginfo.New(f.logger))
+
 	return d, nil
 }
 
diff --git a/pkg/firedb/head_test.go b/pkg/firedb/head_test.go
index 936cdf98c..e22abcdb9 100644
--- a/pkg/firedb/head_test.go
+++ b/pkg/firedb/head_test.go
@@ -301,6 +301,7 @@ func TestHeadIngestRealProfiles(t *testing.T) {
 	profilePaths := []string{
 		"testdata/heap",
 		"testdata/profile",
+		"testdata/parca-agent",
 	}
 
 	head, err := NewHead(t.TempDir())
diff --git a/pkg/firedb/locations.go b/pkg/firedb/locations.go
index ca9416903..199b0118d 100644
--- a/pkg/firedb/locations.go
+++ b/pkg/firedb/locations.go
@@ -53,7 +53,10 @@ func (*locationsHelper) addToRewriter(r *rewriter, elemRewriter idConversionTabl
 }
 
 func (*locationsHelper) rewrite(r *rewriter, l *profilev1.Location) error {
-	r.mappings.rewriteUint64(&l.MappingId)
+	// ignore mappingIDs of 0, as they indicate that it has already been symbolized.
+	if l.MappingId != 0 {
+		r.mappings.rewriteUint64(&l.MappingId)
+	}
 
 	for pos := range l.Line {
 		r.functions.rewriteUint64(&l.Line[pos].FunctionId)
diff --git a/pkg/firedb/profiles.go b/pkg/firedb/profiles.go
index becb36010..600461693 100644
--- a/pkg/firedb/profiles.go
+++ b/pkg/firedb/profiles.go
@@ -280,7 +280,6 @@ func (*profilesHelper) key(s *schemav1.Profile) noKey {
 }
 
 func (*profilesHelper) addToRewriter(r *rewriter, elemRewriter idConversionTable) {
-	r.locations = elemRewriter
 }
 
 func (*profilesHelper) rewrite(r *rewriter, s *schemav1.Profile) error {
diff --git a/pkg/firedb/testdata/parca-agent b/pkg/firedb/testdata/parca-agent
new file mode 100644
index 000000000..78aed6b76
Binary files /dev/null and b/pkg/firedb/testdata/parca-agent differ