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runOn:
-
minServerVersion: "4.1.8"
topology: ["sharded"]
# serverless proxy doesn't use recovery tokens
serverless: "forbid"
database_name: &database_name "transaction-tests"
collection_name: &collection_name "test"
data: []
tests:
- description: commitTransaction explicit retries include recoveryToken
useMultipleMongoses: true
operations:
- name: startTransaction
object: session0
- name: insertOne
object: collection
arguments:
session: session0
document:
_id: 1
result:
insertedId: 1
- name: commitTransaction
object: session0
- name: commitTransaction
object: session0
- name: commitTransaction
object: session0
expectations:
- command_started_event:
command:
insert: *collection_name
documents:
- _id: 1
ordered: true
readConcern:
lsid: session0
txnNumber:
$numberLong: "1"
startTransaction: true
autocommit: false
writeConcern:
command_name: insert
database_name: *database_name
- command_started_event:
command:
commitTransaction: 1
lsid: session0
txnNumber:
$numberLong: "1"
startTransaction:
autocommit: false
writeConcern:
recoveryToken: 42
command_name: commitTransaction
database_name: admin
- command_started_event:
command:
commitTransaction: 1
lsid: session0
txnNumber:
$numberLong: "1"
startTransaction:
autocommit: false
# commitTransaction applies w:majority on retries
writeConcern: { w: majority, wtimeout: 10000 }
recoveryToken: 42
command_name: commitTransaction
database_name: admin
- command_started_event:
command:
commitTransaction: 1
lsid: session0
txnNumber:
$numberLong: "1"
startTransaction:
autocommit: false
# commitTransaction applies w:majority on retries
writeConcern: { w: majority, wtimeout: 10000 }
recoveryToken: 42
command_name: commitTransaction
database_name: admin
outcome:
collection:
data:
- _id: 1
- description: commitTransaction retry succeeds on new mongos
useMultipleMongoses: true
operations:
- name: startTransaction
object: session0
arguments:
options:
writeConcern:
w: majority
- name: insertOne
object: collection
arguments:
session: session0
document:
_id: 1
result:
insertedId: 1
# Enable the fail point only on the Mongos that session0 is pinned to.
- name: targetedFailPoint
object: testRunner
arguments:
session: session0
failPoint:
configureFailPoint: failCommand
mode: { times: 1 }
data:
failCommands: ["commitTransaction"]
writeConcernError:
code: 91
errmsg: Replication is being shut down
errorLabels: ["RetryableWriteError"]
# The client sees a retryable writeConcernError on the first
# commitTransaction due to the fail point but it actually succeeds on the
# server (SERVER-39346). The retry will succeed both on a new mongos and
# on the original.
- name: commitTransaction
object: session0
expectations:
- command_started_event:
command:
insert: *collection_name
documents:
- _id: 1
ordered: true
readConcern:
lsid: session0
txnNumber:
$numberLong: "1"
startTransaction: true
autocommit: false
writeConcern:
command_name: insert
database_name: *database_name
- command_started_event:
command:
commitTransaction: 1
lsid: session0
txnNumber:
$numberLong: "1"
startTransaction:
autocommit: false
writeConcern:
w: majority
recoveryToken: 42
command_name: commitTransaction
database_name: admin
- command_started_event:
command:
commitTransaction: 1
lsid: session0
txnNumber:
$numberLong: "1"
startTransaction:
autocommit: false
# commitTransaction applies w:majority on retries
writeConcern: { w: majority, wtimeout: 10000 }
recoveryToken: 42
command_name: commitTransaction
database_name: admin
outcome:
collection:
data:
- _id: 1
- description: commitTransaction retry fails on new mongos
useMultipleMongoses: true
clientOptions:
# Increase heartbeatFrequencyMS to avoid the race condition where an in
# flight heartbeat refreshes the first mongoes' SDAM state in between
# the initial commitTransaction and the retry attempt.
heartbeatFrequencyMS: 30000
operations:
- name: startTransaction
object: session0
- name: insertOne
object: collection
arguments:
session: session0
document:
_id: 1
result:
insertedId: 1
# Enable the fail point only on the Mongos that session0 is pinned to.
# Fail hello/legacy hello to prevent the heartbeat requested directly after the
# retryable commit error from racing with server selection for the retry.
# Note: times: 7 is slightly artbitrary but it accounts for one failed
# commit and some SDAM heartbeats. A test runner will have multiple
# clients connected to this server so this fail point configuration
# is also racy.
- name: targetedFailPoint
object: testRunner
arguments:
session: session0
failPoint:
configureFailPoint: failCommand
mode: { times: 7 }
data:
failCommands: ["commitTransaction", "isMaster", "hello"]
closeConnection: true
# The first commitTransaction sees a retryable connection error due to
# the fail point and also fails on the server. The retry attempt on a
# new mongos will wait for the transaction to timeout and will fail
# because the transaction was aborted. Note that the retry attempt should
# not select the original mongos because that server's SDAM state is
# reset by the connection error, heartbeatFrequencyMS is high, and
# subsequent heartbeats should fail.
- name: commitTransaction
object: session0
result:
errorLabelsContain: ["TransientTransactionError"]
errorLabelsOmit: ["UnknownTransactionCommitResult"]
errorCodeName: NoSuchTransaction
expectations:
- command_started_event:
command:
insert: *collection_name
documents:
- _id: 1
ordered: true
readConcern:
lsid: session0
txnNumber:
$numberLong: "1"
startTransaction: true
autocommit: false
writeConcern:
command_name: insert
database_name: *database_name
- command_started_event:
command:
commitTransaction: 1
lsid: session0
txnNumber:
$numberLong: "1"
startTransaction:
autocommit: false
writeConcern:
recoveryToken: 42
command_name: commitTransaction
database_name: admin
- command_started_event:
command:
commitTransaction: 1
lsid: session0
txnNumber:
$numberLong: "1"
startTransaction:
autocommit: false
# commitTransaction applies w:majority on retries
writeConcern: { w: majority, wtimeout: 10000 }
recoveryToken: 42
command_name: commitTransaction
database_name: admin
outcome:
collection:
data: []
- description: abortTransaction sends recoveryToken
useMultipleMongoses: true
operations:
- name: startTransaction
object: session0
- name: insertOne
object: collection
arguments:
session: session0
document:
_id: 1
result:
insertedId: 1
# Enable the fail point only on the Mongos that session0 is pinned to.
- name: targetedFailPoint
object: testRunner
arguments:
session: session0
failPoint:
configureFailPoint: failCommand
mode: { times: 1 }
data:
failCommands: ["abortTransaction"]
closeConnection: true
# The first abortTransaction sees a retryable connection error due to
# the fail point. The retry attempt on a new mongos will send the
# recoveryToken. Note that the retry attempt will also fail because the
# server does not yet support aborting from a new mongos, however this
# operation should "succeed" since abortTransaction ignores errors.
- name: abortTransaction
object: session0
expectations:
- command_started_event:
command:
insert: *collection_name
documents:
- _id: 1
ordered: true
readConcern:
lsid: session0
txnNumber:
$numberLong: "1"
startTransaction: true
autocommit: false
writeConcern:
command_name: insert
database_name: *database_name
- command_started_event:
command:
abortTransaction: 1
lsid: session0
txnNumber:
$numberLong: "1"
startTransaction:
autocommit: false
writeConcern:
recoveryToken: 42
command_name: abortTransaction
database_name: admin
- command_started_event:
command:
abortTransaction: 1
lsid: session0
txnNumber:
$numberLong: "1"
startTransaction:
autocommit: false
writeConcern:
recoveryToken: 42
command_name: abortTransaction
database_name: admin
outcome:
collection:
data: []
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