# Initialize a range with three replicas, none of which have send tokens.
init regular_init=0 elastic_init=0
range_id=1 tenant_id=1 local_replica_id=1 next_raft_index=1
  store_id=1 replica_id=1 type=VOTER_FULL state=StateReplicate next=1
  store_id=2 replica_id=2 type=VOTER_FULL state=StateReplicate next=1
  store_id=3 replica_id=3 type=VOTER_FULL state=StateReplicate next=1
----
r1: [(n1,s1):1*,(n2,s2):2,(n3,s3):3]
t1/s1: eval reg=+0 B/+16 MiB ela=+0 B/+8.0 MiB
       send reg=+0 B/+16 MiB ela=+0 B/+8.0 MiB
t1/s2: eval reg=+0 B/+16 MiB ela=+0 B/+8.0 MiB
       send reg=+0 B/+16 MiB ela=+0 B/+8.0 MiB
t1/s3: eval reg=+0 B/+16 MiB ela=+0 B/+8.0 MiB
       send reg=+0 B/+16 MiB ela=+0 B/+8.0 MiB

# Append entries. Replica 2 has a send-queue.
raft_event pull-mode
range_id=1
  entries
    term=1 index=1 pri=NormalPri size=1MiB
    term=1 index=2 pri=LowPri size=1MiB
----
t1/s1: eval reg=-1.0 MiB/+16 MiB ela=-2.0 MiB/+8.0 MiB
       send reg=-1.0 MiB/+16 MiB ela=-2.0 MiB/+8.0 MiB
t1/s2: eval reg=+0 B/+16 MiB ela=-2.0 MiB/+8.0 MiB
       send reg=+0 B/+16 MiB ela=+0 B/+8.0 MiB
t1/s3: eval reg=-1.0 MiB/+16 MiB ela=-2.0 MiB/+8.0 MiB
       send reg=-1.0 MiB/+16 MiB ela=-2.0 MiB/+8.0 MiB

stream_state range_id=1
----
(n1,s1):1: state=replicate closed=false inflight=[1,3) (2.0 MiB) send_queue=[3,3) precise_q_size=+0 B
eval deducted: reg=+1.0 MiB ela=+1.0 MiB
eval original in send-q: reg=+0 B ela=+0 B
LowPri:
  term=1 index=2  tokens=1048576
NormalPri:
  term=1 index=1  tokens=1048576
++++
(n2,s2):2: state=replicate closed=false inflight=[1,1) send_queue=[1,3) precise_q_size=+2.0 MiB watching-for-tokens
eval deducted: reg=+0 B ela=+2.0 MiB
eval original in send-q: reg=+1.0 MiB ela=+1.0 MiB
++++
(n3,s3):3: state=replicate closed=false inflight=[1,3) (2.0 MiB) send_queue=[3,3) precise_q_size=+0 B
eval deducted: reg=+1.0 MiB ela=+1.0 MiB
eval original in send-q: reg=+0 B ela=+0 B
LowPri:
  term=1 index=2  tokens=1048576
NormalPri:
  term=1 index=1  tokens=1048576
++++
MsgApps sent in pull mode:
 to: 3, lowPri: false entries: [1 2]
++++

# Give s2 some send tokens. The watcher will subtract the available tokens, so
# elastic tokens will continue to be 0.
adjust_tokens send
  store_id=2 pri=HighPri tokens=512KiB
----
t1/s1: eval reg=-1.0 MiB/+16 MiB ela=-2.0 MiB/+8.0 MiB
       send reg=-1.0 MiB/+16 MiB ela=-2.0 MiB/+8.0 MiB
t1/s2: eval reg=+0 B/+16 MiB ela=-2.0 MiB/+8.0 MiB
       send reg=+512 KiB/+16 MiB ela=+0 B/+8.0 MiB
t1/s3: eval reg=-1.0 MiB/+16 MiB ela=-2.0 MiB/+8.0 MiB
       send reg=-1.0 MiB/+16 MiB ela=-2.0 MiB/+8.0 MiB

stream_state range_id=1
----
(n1,s1):1: state=replicate closed=false inflight=[1,3) (2.0 MiB) send_queue=[3,3) precise_q_size=+0 B
eval deducted: reg=+1.0 MiB ela=+1.0 MiB
eval original in send-q: reg=+0 B ela=+0 B
LowPri:
  term=1 index=2  tokens=1048576
NormalPri:
  term=1 index=1  tokens=1048576
++++
(n2,s2):2: state=replicate closed=false inflight=[1,1) send_queue=[1,3) precise_q_size=+2.0 MiB deducted=+512 KiB
eval deducted: reg=+0 B ela=+2.0 MiB
eval original in send-q: reg=+1.0 MiB ela=+1.0 MiB
++++
(n3,s3):3: state=replicate closed=false inflight=[1,3) (2.0 MiB) send_queue=[3,3) precise_q_size=+0 B
eval deducted: reg=+1.0 MiB ela=+1.0 MiB
eval original in send-q: reg=+0 B ela=+0 B
LowPri:
  term=1 index=2  tokens=1048576
NormalPri:
  term=1 index=1  tokens=1048576
++++
schedule-controller-event-count: 1
scheduled-replicas: 2

# Scheduler event in push-mode. Replica 2 will switch back to push mode and
# return the deducted tokens.
handle_scheduler_event range_id=1 push-mode
----
(n1,s1):1: state=replicate closed=false inflight=[1,3) (2.0 MiB) send_queue=[3,3) precise_q_size=+0 B
eval deducted: reg=+1.0 MiB ela=+1.0 MiB
eval original in send-q: reg=+0 B ela=+0 B
LowPri:
  term=1 index=2  tokens=1048576
NormalPri:
  term=1 index=1  tokens=1048576
++++
(n2,s2):2: state=replicate closed=false inflight=[1,1) send_queue=[1,3) precise_q_size=+2.0 MiB
eval deducted: reg=+1.0 MiB ela=+1.0 MiB
eval original in send-q: reg=+1.0 MiB ela=+1.0 MiB
++++
(n3,s3):3: state=replicate closed=false inflight=[1,3) (2.0 MiB) send_queue=[3,3) precise_q_size=+0 B
eval deducted: reg=+1.0 MiB ela=+1.0 MiB
eval original in send-q: reg=+0 B ela=+0 B
LowPri:
  term=1 index=2  tokens=1048576
NormalPri:
  term=1 index=1  tokens=1048576
++++
schedule-controller-event-count: 1

# Noop, to see the current tokens
adjust_tokens send
  store_id=2 pri=HighPri tokens=0
----
t1/s1: eval reg=-1.0 MiB/+16 MiB ela=-2.0 MiB/+8.0 MiB
       send reg=-1.0 MiB/+16 MiB ela=-2.0 MiB/+8.0 MiB
t1/s2: eval reg=-1.0 MiB/+16 MiB ela=-2.0 MiB/+8.0 MiB
       send reg=+512 KiB/+16 MiB ela=+512 KiB/+8.0 MiB
t1/s3: eval reg=-1.0 MiB/+16 MiB ela=-2.0 MiB/+8.0 MiB
       send reg=-1.0 MiB/+16 MiB ela=-2.0 MiB/+8.0 MiB


# Raft event in pull-mode. Replica 2 switches back to pull mode, and deducts
# tokens.
raft_event pull-mode
range_id=1
----
t1/s1: eval reg=-1.0 MiB/+16 MiB ela=-2.0 MiB/+8.0 MiB
       send reg=-1.0 MiB/+16 MiB ela=-2.0 MiB/+8.0 MiB
t1/s2: eval reg=+0 B/+16 MiB ela=-2.0 MiB/+8.0 MiB
       send reg=+512 KiB/+16 MiB ela=+0 B/+8.0 MiB
t1/s3: eval reg=-1.0 MiB/+16 MiB ela=-2.0 MiB/+8.0 MiB
       send reg=-1.0 MiB/+16 MiB ela=-2.0 MiB/+8.0 MiB

stream_state range_id=1
----
(n1,s1):1: state=replicate closed=false inflight=[1,3) (2.0 MiB) send_queue=[3,3) precise_q_size=+0 B
eval deducted: reg=+1.0 MiB ela=+1.0 MiB
eval original in send-q: reg=+0 B ela=+0 B
LowPri:
  term=1 index=2  tokens=1048576
NormalPri:
  term=1 index=1  tokens=1048576
++++
(n2,s2):2: state=replicate closed=false inflight=[1,1) send_queue=[1,3) precise_q_size=+2.0 MiB deducted=+512 KiB
eval deducted: reg=+0 B ela=+2.0 MiB
eval original in send-q: reg=+1.0 MiB ela=+1.0 MiB
++++
(n3,s3):3: state=replicate closed=false inflight=[1,3) (2.0 MiB) send_queue=[3,3) precise_q_size=+0 B
eval deducted: reg=+1.0 MiB ela=+1.0 MiB
eval original in send-q: reg=+0 B ela=+0 B
LowPri:
  term=1 index=2  tokens=1048576
NormalPri:
  term=1 index=1  tokens=1048576
++++
schedule-controller-event-count: 2
scheduled-replicas: 2
