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Yandex Object Storage
  • Pricing policy
  • Terraform reference
  • Monitoring metrics
  • Audit Trails events
  • Bucket logs
  • Release notes
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In this article:

  • Log fields
  • Bucket request methods

Object Storage log reference

Written by
Yandex Cloud
Updated at August 20, 2026
View in Markdown
  • Log fields
  • Bucket request methods

This section describes the log fields delivered by a bucket.

Object Storage logs are stored in JSON format. A single log entry represents one request to a bucket.

For more information, see Bucket logging.

Log fieldsLog fields

Field

Type

Description

bucket

String

Bucket name.

bytes_received

Int64

Query size in bytes

bytes_send

Int64

Response size in bytes

handler

String

Request method in this format: REST.<HTTP method>.<subject>

http_referer

String

URL of the request source

ip

String

User IP address

method

String

HTTP request method

object_key

String

Object key in URL-encoded format

protocol

String

Data transfer protocol version

range

String

HTTP header that defines the range of bytes to load from the object.

requester

String

User ID

request_args

String

Arguments of the URL request

request_id

String

Request ID

request_path

String

Full path of the request

request_time

Int64

Request processing time in milliseconds

scheme

String

Data transfer protocol type.

The possible values are:

  • http: Application layer protocol.
  • https: Application layer protocol with encryption support.

ssl_protocol

String

Security protocol

status

Int64

HTTP response code

storage_class

String

Storage class of the object

timestamp

String

Date and time of the bucket operation in YYYY-MM-DDTHH:MM:SSZ format

user_agent

String

Client app (user agent) that ran the query.

version_id

String

Object version

vhost

String

Virtual host of the query.

The possible values are:

  • storage.yandexcloud.net.
  • <bucket_name>.storage.yandexcloud.net.
  • website.yandexcloud.net.
  • <bucket_name>.website.yandexcloud.net.

Bucket request methodsBucket request methods

HTTP_method

Subject

Description

GET

SERVICE

Listing available buckets.

GET

LOCATION

Getting the region where the bucket resides.

PUT

BUCKET

Creating a bucket.

HEAD

BUCKET

Getting bucket metadata.

GET

BUCKET

Listing bucket objects (previous method version).

GET

BUCKET_V1EXT

Listing bucket objects (previous extended method version).

GET

BUCKET_V2

Listing bucket objects (current method version).

DELETE

BUCKET

Deleting a bucket.

OPTIONS

BUCKET

Checking whether a CORS request to a bucket can be made.

GET

BUCKETVERSIONS

Getting metadata for all versions of bucket objects.

GET

VERSIONING

Getting the bucket versioning status.

PUT

VERSIONING

Enabling or suspending bucket versioning.

PUT

BUCKET_ACL

Uploading the access control list for a bucket.

GET

BUCKET_ACL

Getting the access control list for a bucket.

PUT

BUCKET_CORS

Uploading a CORS configuration for a bucket.

GET

BUCKET_CORS

Getting a CORS configuration for a bucket.

DELETE

BUCKET_CORS

Deleting a CORS configuration for a bucket.

PUT

BUCKET_LIFECYCLE

Uploading a bucket object lifecycle configuration.

GET

BUCKET_LIFECYCLE

Getting a bucket object lifecycle configuration.

DELETE

BUCKET_LIFECYCLE

Deleting a bucket object lifecycle configuration.

PUT

BUCKET_ENCRYPTION

Enabling bucket encryption.

GET

BUCKET_ENCRYPTION

Getting information about bucket encryption.

DELETE

BUCKET_ENCRYPTION

Disabling bucket encryption.

PUT

BUCKET_WEBSITES

Uploading a static website hosting configuration for a bucket.

GET

BUCKET_WEBSITES

Getting a static website hosting configuration for a bucket.

DELETE

BUCKET_WEBSITES

Deleting a static website hosting configuration for a bucket.

GET

BUCKET_LOGGING

Getting settings for bucket logging.

PUT

BUCKET_LOGGING

Enabling and disabling bucket logging.

PUT

BUCKETPOLICY

Applying a bucket policy to the specified bucket.

GET

BUCKETPOLICY

Getting a bucket policy for the specified bucket.

DELETE

BUCKETPOLICY

Deleting a bucket policy for the specified bucket.

PUT

BUCKET_TAGGING

Setting labels for a bucket.

GET

BUCKET_TAGGING

Getting bucket labels.

DELETE

BUCKET_TAGGING

Deleting bucket labels.

PUT

OBJECT

Uploading an object and its metadata to a bucket.

POST

OBJECT

Uploading an object and its metadata to a bucket via an HTML form.

POST

OBJECT_RESTORE

Restoring a bucket object from an archive. Object Storage is not supported.

PUT

OBJECT_COPY

Creating a bucket object copy.

DELETE

OBJECT

Deleting an object.

DELETE

MULTIPLE_OBJECTS

Deleting objects based on a list of keys provided in a request.

HEAD

OBJECT

Getting object metadata.

GET

OBJECT

Getting an object from a bucket.

OPTIONS

OBJECT

Checking whether a CORS request to an object can be made.

GET

OBJECT_ACL

Getting the access control list for an object.

PUT

OBJECT_ACL

Uploading the access control list for an object.

SELECT

OBJECT_CONTENT

Filtering and getting the contents of an object based using an S3 Select query.

PUT

OBJECT_TAGGING

Setting labels for an object.

GET

OBJECT_TAGGING

Getting object labels.

DELETE

OBJECT_TAGGING

Deleting object labels.

GET

MULTIPART

Listing current multipart uploads.

POST

INIT_MULTIPART

Getting the ID to use for further operations with an object multipart upload.

POST

COMPLETE_MULTIPART

Completing an object multipart upload.

DELETE

ABORT_MULTIPART

Aborting a multipart upload and deleting from a bucket all object parts that have already been saved.

PUT

UPLOAD_PART

Saving an object part.

PUT

UPLOAD_PART_COPY

Copying an object part.

GET

UPLOAD_PART

Listing uploaded object parts for the specified multipart upload.

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