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Object Storage log reference

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Updated at July 8, 2024

This section describes the log fields delivered by the bucket.

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

For more information, see Bucket actions logging mechanism.

Log fields

Field Type Description
bucket String Bucket name.
bytes_received Int64 Size of the request in bytes.
bytes_send Int64 Response size in bytes.
handler String Request method in REST.<HTTP method>.<subject> format.
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 Query ID.
request_path String Full path of the request.
request_time Int64 Request processing time in milliseconds.
scheme String Type of data transfer protocol.
Possible values:
- 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 operation with the bucket in the YYYY-MM-DDTHH:MM:MMZ format.
user_agent String Client application (user agent) that executed the request.
version_id String Object version.
vhost String Virtual host of the request.
Possible values:
– storage.yandexcloud.net.
– <bucket_name>.storage.yandexcloud.net.
– website.yandexcloud.net.
– <bucket_name>.website.yandexcloud.net.

Bucket request methods

HTTP method Subject Description
GET SERVICE Listing available buckets.
GET LOCATION Outputting the region where a bucket resides.
PUT BUCKET Creating a bucket.
HEAD BUCKET Outputting 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 Outputting metadata for all versions of bucket objects.
GET VERSIONING Outputting the bucket versioning status.
PUT VERSIONING Enabling or pausing bucket versioning.
PUT BUCKET_ACL Uploading the access control list for a bucket.
GET BUCKET_ACL Outputting the access control list for a bucket.
PUT BUCKET_CORS Uploading a CORS configuration for a bucket.
GET BUCKET_CORS Outputting 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 Outputting a bucket object lifecycle configuration.
DELETE BUCKET_LIFECYCLE Deleting a bucket object lifecycle configuration.
PUT BUCKET_ENCRYPTION Enabling bucket encryption.
GET BUCKET_ENCRYPTION Outputting 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 Outputting a static website hosting configuration for a bucket.
DELETE BUCKET_WEBSITES Deleting a static website hosting configuration for a bucket.
GET BUCKET_LOGGING Outputting settings for bucket actions logging.
PUT BUCKET_LOGGING Enabling and disabling bucket actions logging.
PUT BUCKETPOLICY Applying bucket policies to the specified bucket.
GET BUCKETPOLICY Outputting bucket policies for the specified bucket.
DELETE BUCKETPOLICY Deleting bucket policies for the specified bucket.
PUT BUCKET_TAGGING Setting tags for a bucket.
GET BUCKET_TAGGING Outputting bucket tags.
DELETE BUCKET_TAGGING Deleting bucket tags.
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 Outputting 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 Outputting the access control list for an object.
PUT OBJECT_ACL Uploading the access control list for an object.
SELECT OBJECT_CONTENT Filtering and outputting the contents of an object based on an S3 Select query.
PUT OBJECT_TAGGING Setting tags for an object.
GET OBJECT_TAGGING Outputting object tags.
DELETE OBJECT_TAGGING Deleting object tags.
GET MULTIPART Listing current multipart uploads.
POST INIT_MULTIPART Outputting the ID to be used 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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