@InterfaceAudience.Public @InterfaceStability.Evolving public final class StreamStatisticNames extends Object
When adding new common statistic name constants, please make them unique. By convention, they are implicitly unique:
Modifier and Type | Field and Description |
---|---|
static String |
BLOCKS_ALLOCATED
Total number of Data blocks allocated by an outputStream.
|
static String |
BLOCKS_RELEASED
Total number of Data blocks released by an outputStream.
|
static String |
BYTES_READ_BUFFER
Number of bytes read from the buffer.
|
static String |
BYTES_TO_UPLOAD
Number of bytes to upload from an OutputStream.
|
static String |
BYTES_UPLOAD_FAILED
Number of bytes failed to upload to the object store.
|
static String |
BYTES_UPLOAD_SUCCESSFUL
Number of bytes uploaded successfully to the object store.
|
static String |
QUEUE_SHRUNK_OPS
Number of task queue shrunk operations.
|
static String |
READ_AHEAD_BYTES_READ
Total number of bytes read from readAhead.
|
static String |
REMOTE_BYTES_READ
Total number of bytes read from remote operations.
|
static String |
REMOTE_READ_OP
Total number of remote read operations performed.
|
static String |
SEEK_IN_BUFFER
Number of seeks in buffer.
|
static String |
STREAM_EVICT_BLOCKS_FROM_FILE_CACHE
Total number of blocks evicted from the disk cache.
|
static String |
STREAM_FILE_CACHE_EVICTION
Track duration of LRU cache eviction for disk cache.
|
static String |
STREAM_LEAKS
Count of Stream leaks from an application which
is not cleaning up correctly.
|
static String |
STREAM_READ_ABORTED
Count of times the TCP stream was aborted.
|
static String |
STREAM_READ_ACTIVE_MEMORY_IN_USE
Total bytes of memory in use by this input stream.
|
static String |
STREAM_READ_ACTIVE_PREFETCH_OPERATIONS
Total number of active prefetch operations.
|
static String |
STREAM_READ_BLOCK_ACQUIRE_AND_READ
count/duration of acquiring a buffer and reading to it.
|
static String |
STREAM_READ_BLOCKS_IN_FILE_CACHE
Total number of block in disk cache.
|
static String |
STREAM_READ_BYTES
Bytes read from an input stream in read()/readVectored() calls.
|
static String |
STREAM_READ_BYTES_DISCARDED_ABORT
Count of bytes discarded by aborting an input stream .
|
static String |
STREAM_READ_BYTES_DISCARDED_CLOSE
Count of bytes read and discarded when closing an input stream.
|
static String |
STREAM_READ_CLOSE_OPERATIONS
Total count of times an attempt to close an input stream was made.
|
static String |
STREAM_READ_CLOSED
Count of times the TCP stream was closed.
|
static String |
STREAM_READ_EXCEPTIONS
Count of exceptions raised during input stream reads.
|
static String |
STREAM_READ_FULLY_OPERATIONS
Count of readFully() operations in an input stream.
|
static String |
STREAM_READ_OPENED
Total count of times an input stream to was opened.
|
static String |
STREAM_READ_OPERATIONS
Count of read() operations in an input stream.
|
static String |
STREAM_READ_OPERATIONS_INCOMPLETE
Count of incomplete read() operations in an input stream,
that is, when the bytes returned were less than that requested.
|
static String |
STREAM_READ_PREFETCH_OPERATIONS
Total number of prefetching operations executed.
|
static String |
STREAM_READ_REMOTE_BLOCK_READ
count/duration of reading a remote block.
|
static String |
STREAM_READ_REMOTE_STREAM_ABORTED
count/duration of aborting a remote stream during stream IO
IO.
|
static String |
STREAM_READ_REMOTE_STREAM_DRAINED
count/duration of closing a remote stream,
possibly including draining the stream to recycle
the HTTP connection.
|
static String |
STREAM_READ_SEEK_BACKWARD_OPERATIONS
Count of executed seek operations which went backwards in a stream.
|
static String |
STREAM_READ_SEEK_BYTES_BACKWARDS
Count of bytes moved backwards during seek operations
in an input stream.
|
static String |
STREAM_READ_SEEK_BYTES_DISCARDED
Count of bytes read and discarded during seek() in an input stream.
|
static String |
STREAM_READ_SEEK_BYTES_SKIPPED
Count of bytes skipped during forward seek operations.
|
static String |
STREAM_READ_SEEK_FORWARD_OPERATIONS
Count of executed seek operations which went forward in
an input stream.
|
static String |
STREAM_READ_SEEK_OPERATIONS
Count of seek operations in an input stream.
|
static String |
STREAM_READ_SEEK_POLICY_CHANGED
Count of times the seek policy was dynamically changed
in an input stream.
|
static String |
STREAM_READ_SKIP_BYTES
Count bytes skipped in
InputStream.skip() calls. |
static String |
STREAM_READ_SKIP_OPERATIONS
Count of
InputStream.skip() calls. |
static String |
STREAM_READ_TOTAL_BYTES
Total count of bytes read from an input stream.
|
static String |
STREAM_READ_UNBUFFERED
Count of calls of
CanUnbuffer.unbuffer() . |
static String |
STREAM_READ_VECTORED_COMBINED_RANGES
Count of combined file ranges during readVectored() operation.
|
static String |
STREAM_READ_VECTORED_INCOMING_RANGES
Count of incoming file ranges during readVectored() operation.
|
static String |
STREAM_READ_VECTORED_OPERATIONS
Count of readVectored() operations in an input stream.
|
static String |
STREAM_READ_VECTORED_READ_BYTES_DISCARDED
Count of bytes discarded during readVectored() operation
in an input stream.
|
static String |
STREAM_READ_VERSION_MISMATCHES
Count of version mismatches encountered while reading an input stream.
|
static String |
STREAM_WRITE_BLOCK_UPLOADS
Count of block/partition uploads complete.
|
static String |
STREAM_WRITE_BLOCK_UPLOADS_ABORTED
Count of number of block uploads aborted.
|
static String |
STREAM_WRITE_BLOCK_UPLOADS_ACTIVE
Count of block/partition uploads active.
|
static String |
STREAM_WRITE_BLOCK_UPLOADS_BYTES_PENDING
Gauge of data queued to be written.
|
static String |
STREAM_WRITE_BLOCK_UPLOADS_COMMITTED
Count of number of block uploads committed.
|
static String |
STREAM_WRITE_BLOCK_UPLOADS_PENDING
Gauge of block/partitions uploads queued to be written.
|
static String |
STREAM_WRITE_BYTES
"Count of bytes written to output stream including all not yet uploaded.
|
static String |
STREAM_WRITE_EXCEPTIONS
"Count of stream write failures reported.
|
static String |
STREAM_WRITE_EXCEPTIONS_COMPLETING_UPLOADS
Count of failures when finalizing a multipart upload:
"stream_write_exceptions_completing_upload".
|
static String |
STREAM_WRITE_QUEUE_DURATION
Total queue duration of all block uploads.
|
static String |
STREAM_WRITE_TOTAL_DATA |
static String |
STREAM_WRITE_TOTAL_TIME
Count of total time taken for uploads to complete.
|
static String |
TIME_SPENT_ON_PUT_REQUEST
Total time spent on completing a PUT request.
|
static String |
TIME_SPENT_ON_TASK_WAIT
Total time spent on waiting for a task to complete.
|
static String |
WRITE_CURRENT_BUFFER_OPERATIONS
Number of times current buffer is written to the service.
|
public static final String STREAM_LEAKS
public static final String STREAM_READ_ABORTED
public static final String STREAM_READ_BYTES
public static final String STREAM_READ_BYTES_DISCARDED_ABORT
public static final String STREAM_READ_BYTES_DISCARDED_CLOSE
public static final String STREAM_READ_CLOSED
public static final String STREAM_READ_CLOSE_OPERATIONS
public static final String STREAM_READ_OPENED
public static final String STREAM_READ_EXCEPTIONS
public static final String STREAM_READ_FULLY_OPERATIONS
public static final String STREAM_READ_OPERATIONS
public static final String STREAM_READ_VECTORED_OPERATIONS
public static final String STREAM_READ_VECTORED_READ_BYTES_DISCARDED
public static final String STREAM_READ_VECTORED_INCOMING_RANGES
public static final String STREAM_READ_VECTORED_COMBINED_RANGES
public static final String STREAM_READ_OPERATIONS_INCOMPLETE
public static final String STREAM_READ_REMOTE_STREAM_ABORTED
public static final String STREAM_READ_REMOTE_STREAM_DRAINED
public static final String STREAM_READ_VERSION_MISMATCHES
public static final String STREAM_READ_SEEK_BACKWARD_OPERATIONS
public static final String STREAM_READ_SEEK_BYTES_BACKWARDS
public static final String STREAM_READ_SEEK_BYTES_DISCARDED
public static final String STREAM_READ_SEEK_BYTES_SKIPPED
public static final String STREAM_READ_SEEK_FORWARD_OPERATIONS
public static final String STREAM_READ_SEEK_POLICY_CHANGED
public static final String STREAM_READ_SEEK_OPERATIONS
public static final String STREAM_READ_SKIP_OPERATIONS
InputStream.skip()
calls.
Value: "stream_read_skip_operations".public static final String STREAM_READ_SKIP_BYTES
InputStream.skip()
calls.
Value: "stream_read_skip_bytes".public static final String STREAM_READ_TOTAL_BYTES
public static final String STREAM_READ_UNBUFFERED
CanUnbuffer.unbuffer()
.
Value: "stream_read_unbuffered".public static final String STREAM_WRITE_EXCEPTIONS
public static final String STREAM_WRITE_EXCEPTIONS_COMPLETING_UPLOADS
public static final String STREAM_WRITE_BLOCK_UPLOADS
public static final String STREAM_WRITE_BLOCK_UPLOADS_ABORTED
public static final String STREAM_WRITE_BLOCK_UPLOADS_ACTIVE
public static final String STREAM_WRITE_BLOCK_UPLOADS_BYTES_PENDING
public static final String STREAM_WRITE_BLOCK_UPLOADS_COMMITTED
public static final String STREAM_WRITE_BLOCK_UPLOADS_PENDING
public static final String STREAM_WRITE_BYTES
public static final String STREAM_WRITE_TOTAL_TIME
public static final String STREAM_WRITE_QUEUE_DURATION
public static final String STREAM_WRITE_TOTAL_DATA
public static final String BYTES_TO_UPLOAD
public static final String BYTES_UPLOAD_SUCCESSFUL
public static final String BYTES_UPLOAD_FAILED
public static final String TIME_SPENT_ON_TASK_WAIT
public static final String QUEUE_SHRUNK_OPS
public static final String WRITE_CURRENT_BUFFER_OPERATIONS
public static final String TIME_SPENT_ON_PUT_REQUEST
public static final String SEEK_IN_BUFFER
public static final String BYTES_READ_BUFFER
public static final String REMOTE_READ_OP
public static final String READ_AHEAD_BYTES_READ
public static final String REMOTE_BYTES_READ
public static final String BLOCKS_ALLOCATED
public static final String BLOCKS_RELEASED
public static final String STREAM_READ_PREFETCH_OPERATIONS
public static final String STREAM_READ_BLOCKS_IN_FILE_CACHE
public static final String STREAM_READ_ACTIVE_PREFETCH_OPERATIONS
public static final String STREAM_READ_ACTIVE_MEMORY_IN_USE
public static final String STREAM_READ_REMOTE_BLOCK_READ
public static final String STREAM_READ_BLOCK_ACQUIRE_AND_READ
public static final String STREAM_EVICT_BLOCKS_FROM_FILE_CACHE
public static final String STREAM_FILE_CACHE_EVICTION
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