Contains the keys (strings) for impala metrics. More...

#include <impalad-metrics.h>

Collaboration diagram for impala::ImpaladMetricKeys:

Static Public Attributes
static const char *	IMPALA_SERVER_START_TIME
	Local time that the server started. More...

static const char *	IMPALA_SERVER_VERSION
	Full version string of the Impala server. More...

static const char *	IMPALA_SERVER_READY
	True if Impala has finished initialisation. More...

static const char *	IMPALA_SERVER_NUM_QUERIES

static const char *	IMPALA_SERVER_NUM_FRAGMENTS

static const char *	IMPALA_SERVER_NUM_OPEN_HS2_SESSIONS
	Number of open HiveServer2 sessions. More...

static const char *	IMPALA_SERVER_NUM_OPEN_BEESWAX_SESSIONS
	Number of open Beeswax sessions. More...

static const char *	TOTAL_SCAN_RANGES_PROCESSED
	Number of scan ranges processed. More...

static const char *	NUM_SCAN_RANGES_MISSING_VOLUME_ID
	Number of scan ranges with missing volume id metadata. More...

static const char *	MEM_POOL_TOTAL_BYTES
	Number of bytes currently in use across all mem pools. More...

static const char *	HASH_TABLE_TOTAL_BYTES
	Number of bytes currently in use across all hash tables. More...

static const char *	IO_MGR_NUM_OPEN_FILES
	Number of files currently opened by the io mgr. More...

static const char *	IO_MGR_NUM_BUFFERS
	Number of IO buffers allocated by the io mgr. More...

static const char *	IO_MGR_TOTAL_BYTES
	Number of bytes used by IO buffers (used and unused). More...

static const char *	IO_MGR_NUM_UNUSED_BUFFERS
	Number of IO buffers that are currently unused (and can be GC'ed) More...

static const char *	IO_MGR_BYTES_READ
	Total number of bytes read by the io mgr. More...

static const char *	IO_MGR_LOCAL_BYTES_READ
	Total number of local bytes read by the io mgr. More...

static const char *	IO_MGR_SHORT_CIRCUIT_BYTES_READ
	Total number of short-circuit bytes read by the io mgr. More...

static const char *	IO_MGR_CACHED_BYTES_READ
	Total number of cached bytes read by the io mgr. More...

static const char *	IO_MGR_BYTES_WRITTEN
	Total number of bytes written to disk by the io mgr (for spilling) More...

static const char *	CATALOG_NUM_DBS
	Number of DBs in the catalog. More...

static const char *	CATALOG_NUM_TABLES
	Number of tables in the catalog. More...

static const char *	CATALOG_READY

static const char *	NUM_FILES_OPEN_FOR_INSERT
	Number of files open for insert. More...

static const char *	NUM_SESSIONS_EXPIRED
	Number of sessions expired due to inactivity. More...

static const char *	NUM_QUERIES_EXPIRED
	Number of queries expired due to inactivity. More...

static const char *	NUM_QUERIES_SPILLED
	Number of queries that spilled. More...

static const char *	RESULTSET_CACHE_TOTAL_NUM_ROWS
	Total number of rows cached to support HS2 FETCH_FIRST. More...

static const char *	RESULTSET_CACHE_TOTAL_BYTES
	Total bytes consumed for rows cached to support HS2 FETCH_FIRST. More...

Detailed Description

Contains the keys (strings) for impala metrics.

Definition at line 24 of file impalad-metrics.h.

Member Data Documentation

const char * impala::ImpaladMetricKeys::CATALOG_NUM_DBS

static

Initial value:

=

"catalog.num-databases"

Number of DBs in the catalog.

Definition at line 89 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::CATALOG_NUM_TABLES

static

Initial value:

=

"catalog.num-tables"

Number of tables in the catalog.

Definition at line 92 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::CATALOG_READY

static

Initial value:

=

"catalog.ready"

True if the impalad catalog is ready (has received a valid catalog-update topic entry from the state store). Reset to false while recovering from an invalid catalog state, such as detecting a catalog-update topic entry originating from a catalog server with an unexpected ID.

Definition at line 98 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::HASH_TABLE_TOTAL_BYTES

static

Initial value:

=

"impala-server.hash-table.total-bytes"

Number of bytes currently in use across all hash tables.

Definition at line 59 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::IMPALA_SERVER_NUM_FRAGMENTS

static

Initial value:

=

"impala-server.num-fragments"

Number of fragments executed by this server, including failed and cancelled queries

Definition at line 41 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::IMPALA_SERVER_NUM_OPEN_BEESWAX_SESSIONS

static

Initial value:

=

"impala-server.num-open-beeswax-sessions"

Number of open Beeswax sessions.

Definition at line 47 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::IMPALA_SERVER_NUM_OPEN_HS2_SESSIONS

static

Initial value:

=

"impala-server.num-open-hiveserver2-sessions"

Number of open HiveServer2 sessions.

Definition at line 44 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::IMPALA_SERVER_NUM_QUERIES

static

Initial value:

=

"impala-server.num-queries"

Number of queries executed by this server, including failed and cancelled queries

Definition at line 37 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::IMPALA_SERVER_READY

static

Initial value:

=

"impala-server.ready"

True if Impala has finished initialisation.

Definition at line 33 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::IMPALA_SERVER_START_TIME

static

Initial value:

=

"impala-server.start-time"

Local time that the server started.

Definition at line 27 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::IMPALA_SERVER_VERSION

static

Initial value:

=

"impala-server.version"

Full version string of the Impala server.

Definition at line 30 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::IO_MGR_BYTES_READ

static

Initial value:

=

"impala-server.io-mgr.bytes-read"

Total number of bytes read by the io mgr.

Definition at line 74 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::IO_MGR_BYTES_WRITTEN

static

Initial value:

=

"impala-server.io-mgr.bytes-written"

Total number of bytes written to disk by the io mgr (for spilling)

Definition at line 86 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::IO_MGR_CACHED_BYTES_READ

static

Initial value:

=

"impala-server.io-mgr.cached-bytes-read"

Total number of cached bytes read by the io mgr.

Definition at line 83 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::IO_MGR_LOCAL_BYTES_READ

static

Initial value:

=

"impala-server.io-mgr.local-bytes-read"

Total number of local bytes read by the io mgr.

Definition at line 77 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::IO_MGR_NUM_BUFFERS

static

Initial value:

=

"impala-server.io-mgr.num-buffers"

Number of IO buffers allocated by the io mgr.

Definition at line 65 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::IO_MGR_NUM_OPEN_FILES

static

Initial value:

=

"impala-server.io-mgr.num-open-files"

Number of files currently opened by the io mgr.

Definition at line 62 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::IO_MGR_NUM_UNUSED_BUFFERS

static

Initial value:

=

"impala-server.io-mgr.num-unused-buffers"

Number of IO buffers that are currently unused (and can be GC'ed)

Definition at line 71 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::IO_MGR_SHORT_CIRCUIT_BYTES_READ

static

Initial value:

=

"impala-server.io-mgr.short-circuit-bytes-read"

Total number of short-circuit bytes read by the io mgr.

Definition at line 80 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::IO_MGR_TOTAL_BYTES

static

Initial value:

=

"impala-server.io-mgr.total-bytes"

Number of bytes used by IO buffers (used and unused).

Definition at line 68 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::MEM_POOL_TOTAL_BYTES

static

Initial value:

=

"impala-server.mem-pool.total-bytes"

Number of bytes currently in use across all mem pools.

Definition at line 56 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::NUM_FILES_OPEN_FOR_INSERT

static

Initial value:

=

"impala-server.num-files-open-for-insert"

Number of files open for insert.

Definition at line 101 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::NUM_QUERIES_EXPIRED

static

Initial value:

=

"impala-server.num-queries-expired"

Number of queries expired due to inactivity.

Definition at line 107 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::NUM_QUERIES_SPILLED

static

Initial value:

=

"impala-server.num-queries-spilled"

Number of queries that spilled.

Definition at line 110 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::NUM_SCAN_RANGES_MISSING_VOLUME_ID

static

Initial value:

=

"impala-server.scan-ranges.num-missing-volume-id"

Number of scan ranges with missing volume id metadata.

Definition at line 53 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::NUM_SESSIONS_EXPIRED

static

Initial value:

=

"impala-server.num-sessions-expired"

Number of sessions expired due to inactivity.

Definition at line 104 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::RESULTSET_CACHE_TOTAL_BYTES

static

Initial value:

=

"impala-server.resultset-cache.total-bytes"

Total bytes consumed for rows cached to support HS2 FETCH_FIRST.

Definition at line 116 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::RESULTSET_CACHE_TOTAL_NUM_ROWS

static

Initial value:

=

"impala-server.resultset-cache.total-num-rows"

Total number of rows cached to support HS2 FETCH_FIRST.

Definition at line 113 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

const char * impala::ImpaladMetricKeys::TOTAL_SCAN_RANGES_PROCESSED

static

Initial value:

=

"impala-server.scan-ranges.total"

Number of scan ranges processed.

Definition at line 50 of file impalad-metrics.h.

Referenced by impala::ImpaladMetrics::CreateMetrics().

The documentation for this class was generated from the following files:

be/src/util/impalad-metrics.h
be/src/util/impalad-metrics.cc

Static Public Attributes

Detailed Description

Member Data Documentation