{
"api_version": "2013-12-02",
"type": "json",
"json_version": 1.1,
"target_prefix": "Kinesis_20131202",
"signature_version": "v4",
"service_full_name": "Amazon Kinesis",
"service_abbreviation": "Kinesis",
"endpoint_prefix": "kinesis",
"xmlnamespace": "http://kinesis.amazonaws.com/doc/2013-12-02",
"documentation": "\n
Amazon Kinesis is a managed service that scales elastically for real time processing of streaming big data.
\n ", "operations": { "CreateStream": { "name": "CreateStream", "input": { "shape_name": "CreateStreamInput", "type": "structure", "members": { "StreamName": { "shape_name": "StreamName", "type": "string", "min_length": 1, "max_length": 128, "pattern": "[a-zA-Z0-9_.-]+", "documentation": "\nA name to identify the stream. The stream name is scoped to the AWS account used by the application that creates the stream.\n It is also scoped by region. That is, two streams in two different AWS accounts can have the same name,\n and two streams in the same AWS account, but in two different regions, can have the same name.
\n ", "required": true }, "ShardCount": { "shape_name": "PositiveIntegerObject", "type": "integer", "min_length": 1, "documentation": "\nThe number of shards that the stream will use. The throughput of the stream is a function of the number of shards; more shards are required for greater\n provisioned throughput.
\nNote: The default limit for an AWS account is two shards per stream. \n If you need to create a stream with more than two shards, contact AWS Support to increase the limit on your account.
\n ", "required": true } }, "documentation": "\nRepresents the input of a CreateStream
operation.
This operation adds a new Amazon Kinesis stream to your AWS account. A stream captures and transports data records that are continuously emitted from different data sources or producers. \n\t Scale-out within an Amazon Kinesis stream is explicitly supported by means of shards, which are uniquely identified groups of data records in an Amazon Kinesis stream.
\n\tYou specify and control the number of shards that a stream is composed of. Each shard can support up to 5 read transactions per second up to a maximum total of 2 MB of data read per second. Each shard can support up to 1000 write transactions per second up to a maximum total of 1 MB data written per second. \n\t You can add shards to a stream if the amount of data input increases and you can remove shards if the amount of data input decreases.
\n\tThe stream name identifies the stream. The name is scoped to the AWS account used by the application. It is also scoped by region. \n\t That is, two streams in two different accounts can have the same name, and two streams in the same account, but in two different regions, can have the same name.
\n\tCreateStream
is an asynchronous operation. Upon receiving a CreateStream
request, \n\t Amazon Kinesis immediately returns and sets the stream status to CREATING. After the stream is created, Amazon Kinesis sets the stream status to ACTIVE. \n\t You should perform read and write operations only on an ACTIVE stream.
You receive a LimitExceededException
when making a CreateStream
request if you try to do one of the following:
Note: The default limit for an AWS account is two shards per stream. \n\t If you need to create a stream with more than two shards, contact AWS Support to increase the limit on your account.
\n\tYou can use the DescribeStream
operation to check the stream status, which is returned in StreamStatus
.
CreateStream
has a limit of 5 transactions per second per account.
CreateStream
request and response.The name of the stream to delete.
\n ", "required": true } }, "documentation": "\nRepresents the input of a DeleteStream
operation.
This operation deletes a stream and all of its shards and data. \n\t You must shut down any applications that are operating on the stream before you delete the stream. \n\t If an application attempts to operate on a deleted stream, it will receive the exception ResourceNotFoundException
.
If the stream is in the ACTIVE state, you can delete it. \n\t After a DeleteStream
request, the specified stream is in the DELETING state until Amazon Kinesis completes the deletion.
Note: Amazon Kinesis might continue to accept data read and write operations, such as PutRecord and GetRecords, \n\t on a stream in the DELETING state until the stream deletion is complete.
\n\tWhen you delete a stream, any shards in that stream are also deleted.
\n\tYou can use the DescribeStream operation to check the state of the stream, which is returned in StreamStatus
.
DeleteStream
has a limit of 5 transactions per second per account.
DeleteStream
request and response.The name of the stream to describe.
\n ", "required": true }, "Limit": { "shape_name": "DescribeStreamInputLimit", "type": "integer", "min_length": 1, "max_length": 10000, "documentation": "\nThe maximum number of shards to return.
\n " }, "ExclusiveStartShardId": { "shape_name": "ShardId", "type": "string", "min_length": 1, "max_length": 128, "pattern": "[a-zA-Z0-9_.-]+", "documentation": "\nThe shard ID of the shard to start with for the stream description.
\n " } }, "documentation": "\nRepresents the input of a DescribeStream
operation.
The name of the stream being described.
\n ", "required": true }, "StreamARN": { "shape_name": "StreamARN", "type": "string", "documentation": "\nThe Amazon Resource Name (ARN) for the stream being described.
\n ", "required": true }, "StreamStatus": { "shape_name": "StreamStatus", "type": "string", "enum": [ "CREATING", "DELETING", "ACTIVE", "UPDATING" ], "documentation": "\nThe current status of the stream being described.
\nThe stream status is one of the following states:
\nStreamStatus
to CREATING.The unique identifier of the shard within the Amazon Kinesis stream.
\n ", "required": true }, "ParentShardId": { "shape_name": "ShardId", "type": "string", "min_length": 1, "max_length": 128, "pattern": "[a-zA-Z0-9_.-]+", "documentation": "\nThe shard Id of the shard's parent.
\n " }, "AdjacentParentShardId": { "shape_name": "ShardId", "type": "string", "min_length": 1, "max_length": 128, "pattern": "[a-zA-Z0-9_.-]+", "documentation": "\nThe shard Id of the shard adjacent to the shard's parent.
\n " }, "HashKeyRange": { "shape_name": "HashKeyRange", "type": "structure", "members": { "StartingHashKey": { "shape_name": "HashKey", "type": "string", "pattern": "0|([1-9]\\d{0,38})", "documentation": "\nThe starting hash key of the hash key range.
\n ", "required": true }, "EndingHashKey": { "shape_name": "HashKey", "type": "string", "pattern": "0|([1-9]\\d{0,38})", "documentation": "\nThe ending hash key of the hash key range.
\n ", "required": true } }, "documentation": "\nThe range of possible hash key values for the shard, which is a set of ordered contiguous positive integers.
\n ", "required": true }, "SequenceNumberRange": { "shape_name": "SequenceNumberRange", "type": "structure", "members": { "StartingSequenceNumber": { "shape_name": "SequenceNumber", "type": "string", "pattern": "0|([1-9]\\d{0,128})", "documentation": "\nThe starting sequence number for the range.
\n ", "required": true }, "EndingSequenceNumber": { "shape_name": "SequenceNumber", "type": "string", "pattern": "0|([1-9]\\d{0,128})", "documentation": "\nThe ending sequence number for the range. Shards that are in the OPEN state have an ending sequence number of null
.
The range of possible sequence numbers for the shard.
\n ", "required": true } }, "documentation": "\nA uniquely identified group of data records in an Amazon Kinesis stream.
\n " }, "documentation": "\nThe shards that comprise the stream.
\n ", "required": true }, "HasMoreShards": { "shape_name": "BooleanObject", "type": "boolean", "documentation": "\nIf set to true
there are more shards in the stream available to describe.
Contains the current status of the stream, the stream ARN, an array of shard objects that comprise the stream, \n and states whether there are more shards available.
\n ", "required": true } }, "documentation": " \nRepresents the output of a DescribeStream
operation.
This operation returns the following information about the stream: the current status of the stream, the stream Amazon Resource Name (ARN), \n\t and an array of shard objects that comprise the stream. For each shard object there is information about the hash key and sequence number ranges that the shard spans, \n\t and the IDs of any earlier shards that played in a role in a MergeShards or SplitShard operation that created the shard. \n\t A sequence number is the identifier associated with every record ingested in the Amazon Kinesis stream. \n\t The sequence number is assigned by the Amazon Kinesis service when a record is put into the stream.
\n\tYou can limit the number of returned shards using the Limit
parameter. \n\t The number of shards in a stream may be too large to return from a single call to DescribeStream
. \n\t You can detect this by using the HasMoreShards
flag in the returned output. \n\t HasMoreShards
is set to true
when there is more data available. \n\t
If there are more shards available, you can request more shards by using the shard ID of the last shard returned by the DescribeStream
\n\t request, in the ExclusiveStartShardId
parameter in a subsequent request to DescribeStream
. \n\t DescribeStream
is a paginated operation. \n\t
DescribeStream
has a limit of 10 transactions per second per account.
DescribeStream
request and response.The position in the shard from which you want to start sequentially reading data records.
\n ", "required": true }, "Limit": { "shape_name": "GetRecordsInputLimit", "type": "integer", "min_length": 1, "max_length": 10000, "documentation": "\nThe maximum number of records to return, which can be set to a value of up to 10,000.
\n " } }, "documentation": "\nRepresents the input of a GetRecords
operation.
The unique identifier for the record in the Amazon Kinesis stream.
\n ", "required": true }, "Data": { "shape_name": "Data", "type": "blob", "min_length": 0, "max_length": 51200, "documentation": "\nThe data blob. The data in the blob is both opaque and immutable to the Amazon Kinesis service, \n which does not inspect, interpret, or change the data in the blob in any way. The maximum size of the data blob (the payload after Base64-decoding) is 50 kilobytes (KB)
\n ", "required": true }, "PartitionKey": { "shape_name": "PartitionKey", "type": "string", "min_length": 1, "max_length": 256, "documentation": "\nIdentifies which shard in the stream the data record is assigned to.
\n ", "required": true } }, "documentation": "\nThe unit of data of the Amazon Kinesis stream, which is composed of a sequence number, a partition key, and a data blob.
\n " }, "documentation": "\nThe data records retrieved from the shard.
\n ", "required": true }, "NextShardIterator": { "shape_name": "ShardIterator", "type": "string", "min_length": 1, "max_length": 512, "documentation": "\nThe next position in the shard from which to start sequentially reading data records.\n If set to null
, the shard has been closed and the requested iterator will not return any more data. \n
Represents the output of a GetRecords
operation.
This operation returns one or more data records from a shard. A GetRecords
operation request can retrieve up to 10 MB of data.
You specify a shard iterator for the shard that you want to read data from in the ShardIterator
parameter. \n\t The shard iterator specifies the position in the shard from which you want to start reading data records sequentially. \n\t A shard iterator specifies this position using the sequence number of a data record in the shard. \n\t For more information about the shard iterator, see GetShardIterator.
GetRecords
may return a partial result if the response size limit is exceeded. \n\t You will get an error, but not a partial result if the shard's provisioned throughput is exceeded, the shard iterator has expired, \n\t or an internal processing failure has occurred. \n\t Clients can request a smaller amount of data by specifying a maximum number of returned records using the Limit
parameter. \n\t The Limit
parameter can be set to an integer value of up to 10,000. \n\t If you set the value to an integer greater than 10,000, you will receive InvalidArgumentException
.
A new shard iterator is returned by every GetRecords
request in NextShardIterator
, \n\t which you use in the ShardIterator
parameter of the next GetRecords
request. \n\t When you repeatedly read from an Amazon Kinesis stream use a GetShardIterator request to get the first shard iterator to \n\t use in your first GetRecords
request and then use the shard iterator returned in NextShardIterator
for subsequent reads.
GetRecords
can return null
for the NextShardIterator
to reflect that the shard has been closed \n\t and that the requested shard iterator would never have returned more data.
If no items can be processed because of insufficient provisioned throughput on the shard involved in the request, \n\t GetRecords
throws ProvisionedThroughputExceededException
.
GetRecords
request and response.The name of the stream.
\n ", "required": true }, "ShardId": { "shape_name": "ShardId", "type": "string", "min_length": 1, "max_length": 128, "pattern": "[a-zA-Z0-9_.-]+", "documentation": "\nThe shard ID of the shard to get the iterator for.
\n ", "required": true }, "ShardIteratorType": { "shape_name": "ShardIteratorType", "type": "string", "enum": [ "AT_SEQUENCE_NUMBER", "AFTER_SEQUENCE_NUMBER", "TRIM_HORIZON", "LATEST" ], "documentation": "\nDetermines how the shard iterator is used to start reading data records from the shard.
\nThe following are the valid shard iterator types:
\nThe sequence number of the data record in the shard from which to start reading from.
\n " } }, "documentation": "\nRepresents the input of a GetShardIterator
operation.
The position in the shard from which to start reading data records sequentially. \n A shard iterator specifies this position using the sequence number of a data record in a shard.
\n " } }, "documentation": "\nRepresents the output of a GetShardIterator
operation.
This operation returns a shard iterator in ShardIterator
. The shard iterator specifies the position in the shard from \n\t which you want to start reading data records sequentially. \n\t A shard iterator specifies this position using the sequence number of a data record in a shard. \n\t A sequence number is the identifier associated with every record ingested in the Amazon Kinesis stream. \n\t The sequence number is assigned by the Amazon Kinesis service when a record is put into the stream.
You must specify the shard iterator type in the GetShardIterator
request. \n\t For example, you can set the ShardIteratorType
parameter to read exactly from the position denoted by a specific sequence number \n\t by using the AT_SEQUENCE_NUMBER shard iterator type, or right after the sequence number by using the AFTER_SEQUENCE_NUMBER shard iterator type, \n\t using sequence numbers returned by earlier PutRecord, GetRecords or DescribeStream requests. \n\t You can specify the shard iterator type TRIM_HORIZON in the request to cause ShardIterator
\n\t to point to the last untrimmed record in the shard in the system, which is the oldest data record in the shard. \n\t Or you can point to just after the most recent record in the shard, by using the shard iterator type LATEST, so that you always \n\t read the most recent data in the shard.
Note: Each shard iterator expires five minutes after it is returned to the requester.
\n\tWhen you repeatedly read from an Amazon Kinesis stream use a GetShardIterator request to get the first shard iterator to \n\t to use in your first GetRecords
request and then use the shard iterator returned by the \n\t GetRecords
request in NextShardIterator
for subsequent reads.\n\t A new shard iterator is returned by every GetRecords
request in NextShardIterator
, \n\t which you use in the ShardIterator
parameter of the next GetRecords
request.
If a GetShardIterator
request is made too often, you will receive a ProvisionedThroughputExceededException
. \n\t For more information about throughput limits, see the Amazon Kinesis Developer Guide.
GetShardIterator
can return null
for its ShardIterator
to indicate that the shard has been closed \n\t and that the requested iterator will return no more data. A shard can be closed by a SplitShard or MergeShards operation.
GetShardIterator
has a limit of 5 transactions per second per account per shard.
GetShardIterator
request and response.The maximum number of streams to list.
\n " }, "ExclusiveStartStreamName": { "shape_name": "StreamName", "type": "string", "min_length": 1, "max_length": 128, "pattern": "[a-zA-Z0-9_.-]+", "documentation": "\nThe name of the stream to start the list with.
\n " } }, "documentation": "\nRepresents the input of a ListStreams
operation.
The names of the streams that are associated with the AWS account making the ListStreams
request.
If set to true
, there are more streams available to list.
Represents the output of a ListStreams
operation.
This operation returns an array of the names of all the streams that are associated with the AWS account \n\t making the ListStreams
request. A given AWS account can have many streams active at one time. \n\t
The number of streams may be too large to return from a single call to ListStreams
. \n\t You can limit the number of returned streams using the Limit
parameter. \n\t If you do not specify a value for the Limit
parameter, Amazon Kinesis uses the default limit, which is currently 10.
You can detect if there are more streams available to list by using the HasMoreStreams
flag from the returned output. \n\t If there are more streams available, you can request more streams by using the name of the last stream returned by the ListStreams
\n\t request in the ExclusiveStartStreamName
parameter in a subsequent request to ListStreams
. \n\t The group of stream names returned by the subsequent request is then added to the list. \n\t You can continue this process until all the stream names have been collected in the list.
ListStreams
has a limit of 5 transactions per second per account.
ListStreams
request and response.The name of the stream for the merge.
\n ", "required": true }, "ShardToMerge": { "shape_name": "ShardId", "type": "string", "min_length": 1, "max_length": 128, "pattern": "[a-zA-Z0-9_.-]+", "documentation": "\nThe shard ID of the shard to combine with the adjacent shard for the merge.
\n ", "required": true }, "AdjacentShardToMerge": { "shape_name": "ShardId", "type": "string", "min_length": 1, "max_length": 128, "pattern": "[a-zA-Z0-9_.-]+", "documentation": "\nThe shard ID of the adjacent shard for the merge.
\n ", "required": true } }, "documentation": "\nRepresents the input of a MergeShards
operation.
This operation merges two adjacent shards in a stream and combines them into a single shard to reduce the stream's capacity to ingest and transport data. \n\t Two shards are considered adjacent if the union of the hash key ranges for the two shards form a contiguous set with no gaps. \n\t For example, if you have two shards, one with a hash key range of 276...381 and the other with a hash key range of 382...454, \n\t then you could merge these two shards into a single shard that would have a hash key range of 276...454. After the\n\t merge, the single child shard receives data for all hash key values covered by the two parent shards.
\n\tMergeShards
is called when there is a need to reduce the overall capacity of a stream because of excess capacity \n\t that is not being used. \n\t The operation requires that you specify the shard to be merged and the adjacent shard for a given stream. \n\t For more information about merging shards, see the Amazon Kinesis Developer Guide.
If the stream is in the ACTIVE state, you can call MergeShards
. If a stream is in CREATING or UPDATING or DELETING states, \n\t then Amazon Kinesis returns a ResourceInUseException
. \n\t If the specified stream does not exist, Amazon Kinesis returns a ResourceNotFoundException
.
You can use the DescribeStream operation to check the state of the stream, which is returned in StreamStatus
.
MergeShards
is an asynchronous operation. Upon receiving a MergeShards
request, \n\t Amazon Kinesis immediately returns a response and sets the StreamStatus
to UPDATING. \n\t After the operation is completed, Amazon Kinesis sets the StreamStatus
to ACTIVE. \n\t Read and write operations continue to work while the stream is in the UPDATING state.
You use the DescribeStream operation to determine the shard IDs that are specified in the MergeShards
request.
If you try to operate on too many streams in parallel using CreateStream, DeleteStream, \n\t MergeShards
or SplitShard, you will receive a LimitExceededException
.
MergeShards
has limit of 5 transactions per second per account.
MergeShards
request and response.The name of the stream to put the data record into.
\n ", "required": true }, "Data": { "shape_name": "Data", "type": "blob", "min_length": 0, "max_length": 51200, "documentation": "\nThe data blob to put into the record, which is Base64-encoded by the AWS SDK for Java when the blob is serialized. The maximum size of the data blob (the payload after Base64-decoding) is 50 kilobytes (KB)
\n ", "required": true }, "PartitionKey": { "shape_name": "PartitionKey", "type": "string", "min_length": 1, "max_length": 256, "documentation": "\nDetermines which shard in the stream the data record is assigned to. \n Partition keys are Unicode strings with a maximum length limit of 256 bytes. \n Amazon Kinesis uses the partition key as input to a hash function that maps the partition key and associated data to a specific shard. \n Specifically, an MD5 hash function is used to map partition keys to 128-bit integer values and to map associated data records to shards. \n As a result of this hashing mechanism, all data records with the same partition key will map to the same shard within the stream.
\n ", "required": true }, "ExplicitHashKey": { "shape_name": "HashKey", "type": "string", "pattern": "0|([1-9]\\d{0,38})", "documentation": "\nThe hash value used to explicitly determine the shard the data record is assigned to by overriding the partition key hash.
\n " }, "SequenceNumberForOrdering": { "shape_name": "SequenceNumber", "type": "string", "pattern": "0|([1-9]\\d{0,128})", "documentation": "\nGuarantees strictly increasing sequence numbers, for puts from the same client and to the same partition key. Usage: set the SequenceNumberForOrdering
of record n to the sequence number of record n-1 (as returned in the PutRecordResult when putting record n-1). If this parameter is not set, records will be coarsely ordered based on arrival time.
Represents the input of a PutRecord
operation.
The shard ID of the shard where the data record was placed.
\n ", "required": true }, "SequenceNumber": { "shape_name": "SequenceNumber", "type": "string", "pattern": "0|([1-9]\\d{0,128})", "documentation": "\nThe sequence number identifier that was assigned to the put data record. The sequence number for the record is unique across \n all records in the stream. A sequence number is the identifier associated with every record put into the stream.
\n ", "required": true } }, "documentation": "\nRepresents the output of a PutRecord
operation.
This operation puts a data record into an Amazon Kinesis stream from a producer. \n\t This operation must be called to send data from the producer into the Amazon Kinesis stream for real-time ingestion and subsequent processing. \n\t The PutRecord
operation requires the name of the stream that captures, stores, and transports the data; a partition key; \n\t and the data blob itself. The data blob could be a segment from a log file, geographic/location data, website clickstream data, \n\t or any other data type.
The partition key is used to distribute data across shards. Amazon Kinesis segregates the data records that belong to a data stream into multiple shards, \n\t using the partition key associated with each data record to determine which shard a given data record belongs to.
\n\tPartition keys are Unicode strings, with a maximum length limit of 256 bytes. An MD5 hash function is used to map partition keys to 128-bit \n\t integer values and to map associated data records to shards using the hash key ranges of the shards. \n\t You can override hashing the partition key to determine the shard by explicitly specifying a hash value \n\t using the ExplicitHashKey
parameter. For more information, see the \n\t Amazon Kinesis Developer Guide.
PutRecord
returns the shard ID of where the data record was placed and the sequence number that was assigned to the data record.
Sequence numbers generally increase over time. To guarantee strictly increasing ordering, use the SequenceNumberForOrdering
parameter. For more information, see the Amazon Kinesis Developer Guide.
If a PutRecord
request cannot be processed because of insufficient provisioned throughput on the shard involved in the request, \n\t PutRecord
throws ProvisionedThroughputExceededException
.
Data records are accessible for only 24 hours from the time that they are added to an Amazon Kinesis stream.
\n\tPutRecord
request and response.The name of the stream for the shard split.
\n ", "required": true }, "ShardToSplit": { "shape_name": "ShardId", "type": "string", "min_length": 1, "max_length": 128, "pattern": "[a-zA-Z0-9_.-]+", "documentation": "\nThe shard ID of the shard to split.
\n ", "required": true }, "NewStartingHashKey": { "shape_name": "HashKey", "type": "string", "pattern": "0|([1-9]\\d{0,38})", "documentation": "\nA hash key value for the starting hash key of one of the child shards created by the split. \n The hash key range for a given shard constitutes a set of ordered contiguous positive integers. \n The value for NewStartingHashKey
must be in the range of hash keys being mapped into the shard. \n The NewStartingHashKey
hash key value and all higher hash key values in hash key range are distributed to one of the child shards. \n All the lower hash key values in the range are distributed to the other child shard.
Represents the input of a SplitShard
operation.
This operation splits a shard into two new shards in the stream, to increase the stream's capacity to ingest and transport data. \n\t SplitShard
is called when there is a need to increase the overall capacity of stream because of an expected increase \n\t in the volume of data records being ingested.
SplitShard
can also be used when a given shard appears to be approaching its maximum utilization, for example, \n\t when the set of producers sending data into the specific shard are suddenly sending more than previously anticipated. \n\t You can also call the SplitShard
operation to increase stream capacity, so that more\n\t Amazon Kinesis applications can simultaneously read data from the stream for real-time processing.
The SplitShard
operation requires that you specify the shard to be split and the new hash key, \n\t which is the position in the shard where the shard gets split in two. \n\t In many cases, the new hash key might simply be the average of the beginning and ending hash key, \n\t but it can be any hash key value in the range being mapped into the shard. \n\t For more information about splitting shards, see the Amazon Kinesis Developer Guide.\n\t
You can use the DescribeStream operation to determine the shard ID and hash key values for the \n\t ShardToSplit
and NewStartingHashKey
parameters that are specified in the SplitShard
request.
SplitShard
is an asynchronous operation. Upon receiving a SplitShard
request, Amazon Kinesis \n\t immediately returns a response and sets the stream status to UPDATING. After the operation is completed, Amazon Kinesis \n\t sets the stream status to ACTIVE. Read and write operations continue to work while the stream is in the UPDATING state. \n\t
You can use DescribeStream
to check the status of the stream, which is returned in StreamStatus
. \n\t If the stream is in the ACTIVE state, you can call SplitShard
. \n\t If a stream is in CREATING or UPDATING or DELETING states, then Amazon Kinesis returns a ResourceInUseException
.
If the specified stream does not exist, Amazon Kinesis returns a ResourceNotFoundException
. \n\t If you try to create more shards than are authorized for your account, you receive a LimitExceededException
.
Note: The default limit for an AWS account is two shards per stream. \n\t If you need to create a stream with more than two shards, contact AWS Support to increase the limit on your account.
\n\tIf you try to operate on too many streams in parallel using CreateStream, DeleteStream, MergeShards or SplitShard, \n\t you will receive a LimitExceededException
.
SplitShard
has limit of 5 transactions per second per account.
SplitShard
request and response.