Get all sampled session activity in the database
get
/database/performance/active_sessions_history/
Oracle Diagnostics Pack licence is required for this service. Returns all records from GV$ACTIVE_SESSION_HISTORY. A client requires SQL Administrator role to invoke this service.
Request
Query Parameters
-
limit(optional): integer(int32)
The maximum number of records to return.
-
q(optional): string
Filtering is the process of limiting a collection resource by using a per-request dynamic filter definition across multiple page resources, where each page contains a subset of items found in the complete collection. Filtering enables efficient traversal of large collections.
Response
Supported Media Types
- application/json
200 Response
Description of sampled session activity in the database.
Root Schema : PerformanceActionSessionHistories
Type:
Show Source
object-
count(optional):
integer
Total number of records in the current response.
-
hasMore(optional):
boolean
Indicates if there are more records to be retrieved.
-
items(optional):
array items
-
limit(optional):
integer
The actual page size limit on number of records applied by the server.
-
links(optional):
array links
-
offset(optional):
integer
The actual index from which the item resources are returned.
Nested Schema : items
Type:
Show Source
array-
Array of:
object PerformanceActionSessionHistoriesItem
This object represents a sampled session activity in the database from GV$ACTIVE_SESSION_HISTORY. It contains snapshots of active database sessions taken once a second. A database session is considered active if it was on the CPU or was waiting for an event that didn't belong to the Idle wait class. The list of attributes may vary depending on database version.
Nested Schema : PerformanceActionSessionHistoriesItem
Type:
objectThis object represents a sampled session activity in the database from GV$ACTIVE_SESSION_HISTORY. It contains snapshots of active database sessions taken once a second. A database session is considered active if it was on the CPU or was waiting for an event that didn't belong to the Idle wait class. The list of attributes may vary depending on database version.
Show Source
-
action(optional):
string
Name of the executing module when sampled, as set by the DBMS_APPLICATION_INFO.SET_ACTION procedure.
-
blocking_hangchain_info(optional):
string
Indicates whether the information about BLOCKING_SESSION comes from the hang chain (Y) or not (N).
-
blocking_inst_id(optional):
integer
Instance number of the blocker shown in BLOCKING_SESSION.
-
blocking_session(optional):
integer
Session identifier of the blocking session. Populated only if the blocker is on the same instance and the session was waiting for enqueues or a 'buffer busy' wait.
-
blocking_session_serial#(optional):
integer
Serial number of the blocking session.
-
blocking_session_status(optional):
string
Status of the blocking session.
-
capture_overhead(optional):
string
Indicates whether the session is executing capture code (Y) or not (N).
-
client_id(optional):
string
Client identifier of the session.
-
con_id(optional):
integer
The ID of the container to which the data pertains.
-
consumer_group_id(optional):
integer
Consumer group ID.
-
current_block#(optional):
integer
ID of the block that the session is referencing. This information is only available if the session was waiting for cluster, concurrency, and user I/O wait events.
-
current_file#(optional):
integer
File number of the file containing the block that the session is referencing. This information is only available if the session was waiting for cluster, concurrency, and user I/O wait events.
-
current_obj#(optional):
integer
Object ID of the object that the session is referencing. This information is only available if the session was waiting for application, cluster, concurrency, and user I/O wait events.
-
current_row#(optional):
integer
Row identifier that the session is referencing. This information is only available if the session was waiting for cluster, concurrency, and user I/O wait events.
-
dbop_exec_id(optional):
integer
Database operation execution identifier for the current execution. If the type is SQL, the DBOP_EXEC_ID will be NULL.
-
dbop_name(optional):
string
Database operation name. If the type is SQL, the DBOP_NAME will be NULL.
-
dbreplay_call_counter(optional):
integer
If the session is being captured or replayed, then DBREPLAY_CALL_COUNTER is the call counter of the user call that is being captured or replayed; otherwise it is NULL.
-
dbreplay_file_id(optional):
integer
If the session is being captured or replayed, then DBREPLAY_FILE_ID is the file ID for the workload capture or workload replay; otherwise it is NULL.
-
delta_interconnect_io_bytes(optional):
integer
Number of I/O bytes sent over the I/O interconnect over the last DELTA_TIME microseconds.
-
delta_read_io_bytes(optional):
integer
Number of I/O bytes read by this session over the last DELTA_TIME microseconds.
-
delta_read_io_requests(optional):
integer
Number of read I/O requests made by this session over the last DELTA_TIME microseconds.
-
delta_read_mem_bytes(optional):
integer
Number of read bytes through the buffer cache.
-
delta_time(optional):
integer
Time interval (in microseconds) since the last time this session was sampled or created, over which the next five statistics are accumulated.
-
delta_write_io_bytes(optional):
integer
Number of I/O bytes written by this session over the last DELTA_TIME microseconds.
-
delta_write_io_requests(optional):
integer
Number of write I/O requests made by this session over the last DELTA_TIME microseconds.
-
ecid(optional):
string
Execution context identifier (sent by Application Server).
-
event(optional):
string
If SESSION_STATE = WAITING, then the event for which the session was waiting for at the time of sampling. If SESSION_STATE = ON CPU, then this column is NULL.
-
event#(optional):
integer
Number of the resource or event for which the session is waiting or for which the session last waited. Interpretation is similar to that of the EVENT column.
-
event_id(optional):
integer
Identifier of the resource or event for which the session is waiting or for which the session last waited. Interpretation is similar to that of the EVENT column.
-
force_matching_signature(optional):
integer
Signature used when the CURSOR_SHARING parameter is set to FORCE.
-
in_bind(optional):
string
Indicates whether the session was doing bind operations at the time of sampling (Y) or not (N).
-
in_connection_mgmt(optional):
string
Indicates whether the session was doing connection management at the time of sampling (Y) or not (N).
-
in_cursor_close(optional):
string
Indicates whether the session was closing a cursor at the time of sampling (Y) or not (N).
-
in_hard_parse(optional):
string
Indicates whether the session was hard parsing at the time of sampling (Y) or not (N).
-
in_inmemory_populate(optional):
string
Indicates whether the session was populating the IM column store at the time of sampling (Y) or not (N).
-
in_inmemory_prepopulate(optional):
string
Indicates whether the session was prepopulating the IM column store at the time of sampling (Y) or not (N).
-
in_inmemory_query(optional):
string
Indicates whether the session was querying the In-Memory Column Store (IM column store) at the time of sampling (Y) or not (N).
-
in_inmemory_repopulate(optional):
string
Indicates whether the session was repopulating the IM column store at the time of sampling (Y) or not (N).
-
in_inmemory_trepopulate(optional):
string
Indicates whether the session was trickle repopulating the IM column store at the time of sampling (Y) or not (N).
-
in_java_execution(optional):
string
Indicates whether the session was executing Java at the time of sampling (Y) or not (N).
-
in_parse(optional):
string
Indicates whether the session was parsing at the time of sampling (Y) or not (N).
-
in_plsql_compilation(optional):
string
Indicates whether the session was compiling PL/SQL at the time of sampling (Y) or not (N).
-
in_plsql_execution(optional):
string
Indicates whether the session was executing PL/SQL at the time of sampling (Y) or not (N).
-
in_plsql_rpc(optional):
string
Indicates whether the session was executing inbound PL/SQL RPC calls at the time of sampling (Y) or not (N).
-
in_sequence_load(optional):
string
Indicates whether the session is loading in sequence (in sequence load code) (Y) or not (N).
-
in_sql_execution(optional):
string
Indicates whether the session was executing SQL statements at the time of sampling (Y) or not (N).
-
in_tablespace_encryption(optional):
string
Indicates whether encryption or decryption of a tablespace occurred at the time of sampling (Y) or not (N).
-
inst_id(optional):
integer
Instance number from which the associated GV$ACTIVE_SESSION_HISTORY view information was obtained.
-
is_awr_sample(optional):
string
Indicates whether this sample has been flushed or will be flushed to the Automatic Workload Repository (DBA_HIST_ACTIVE_SESS_HISTORY) (Y) or not (N).
-
is_captured(optional):
string
Indicates whether the session is being captured (Y) or not (N).
-
is_replay_sync_token_holder(optional):
string
Indicates whether the session is holding a synchronization token (Y) or not (N) during workload replay.
-
is_replayed(optional):
string
Indicates whether the session is being replayed (Y) or not (N).
-
is_sqlid_current(optional):
string
Indicates whether the SQL identifier in the SQL_ID column is being executed (Y) or not (N).
-
links(optional):
array links
-
machine(optional):
string
Client's operating system machine name.
-
module(optional):
string
Name of the executing module when sampled, as set by the DBMS_APPLICATION_INFO.SET_MODULE procedure.
-
p1(optional):
integer
First wait event parameter (in decimal).
-
p1text(optional):
string
Description of the first wait event parameter.
-
p2(optional):
integer
Second wait event parameter (in decimal).
-
p2text(optional):
string
Description of the second wait event parameter.
-
p3(optional):
integer
Third wait event parameter (in decimal).
-
p3text(optional):
string
Description of the third wait event parameter.
-
pga_allocated(optional):
integer
Amount of PGA memory (in bytes) consumed by this session at the time this sample was taken.
-
plsql_entry_object_id(optional):
integer
Object ID of the top-most PL/SQL subprogram on the stack; NULL if there is no PL/SQL subprogram on the stack. Maps to DBA_OBJECTS.OBJECT_ID.
-
plsql_entry_subprogram_id(optional):
integer
Subprogram ID of the top-most PL/SQL subprogram on the stack. Maps to DBA_OBJECTS.DATA_OBJECT_ID.
-
plsql_object_id(optional):
integer
Object ID of the currently executing PL/SQL subprogram.
-
plsql_subprogram_id(optional):
integer
Subprogram ID of the currently executing PL/SQL object.
-
port(optional):
integer
Client port number.
-
program(optional):
string
Name of the operating system program.
-
qc_instance_id(optional):
integer
Query coordinator instance ID. This information is only available if the sampled session is a parallel query slave. For all other sessions, the value is 0.
-
qc_session_id(optional):
integer
Query coordinator session ID. This information is only available if the sampled session is a parallel query slave. For all other sessions, the value is 0.
-
qc_session_serial#(optional):
integer
Query coordinator session serial number. This information is only available if the sampled session is a parallel query slave. For all other sessions, the value is 0.
-
remote_instance#(optional):
integer
Remote instance identifier that will serve the block that this session is waiting for. This information is only available if the session was waiting for cluster events.
-
replay_overhead(optional):
string
Indicates whether the session is executing replay code (Y) or not (N).
-
sample_id(optional):
integer
ID of the sample.
-
sample_time(optional):
string
Time at which the sample was taken.
-
seq#(optional):
integer
Sequence number that uniquely identifies the wait (incremented for each wait).
-
service_hash(optional):
integer
Hash that identifies the Service.
-
session_id(optional):
integer
Session identifier; maps to GV$SESSION.SID.
-
session_serial#(optional):
integer
Session serial number (used to uniquely identify a session's objects); maps to GV$SESSION.SERIAL#.
-
session_state(optional):
string
Session state.
-
session_type(optional):
string
Session type.
-
sql_adaptive_plan_resolved(optional):
integer
Indicates whether the SQL plan of the sampled database session is a resolved adaptive plan or not.
-
sql_child_number(optional):
integer
Child number of the SQL statement that the session was executing at the time of sampling.
-
sql_exec_id(optional):
integer
SQL execution identifier.
-
sql_exec_start(optional):
string
Time when the execution of the SQL started.
-
sql_full_plan_hash_value(optional):
integer
Numerical representation of the complete SQL plan for the cursor being executed by this session.
-
sql_id(optional):
string
SQL identifier of the SQL statement that the session was executing at the time of sampling.
-
sql_opcode(optional):
integer
Indicates what phase of operation the SQL statement was in.
-
sql_opname(optional):
string
SQL command name.
-
sql_plan_hash_value(optional):
integer
Numeric representation of the SQL plan for the cursor. This information might not be available for all session samples.
-
sql_plan_line_id(optional):
integer
SQL plan line ID.
-
sql_plan_operation(optional):
string
Plan operation name.
-
sql_plan_options(optional):
string
Plan operation options.
-
temp_space_allocated(optional):
integer
Amount of TEMP memory (in bytes) consumed by this session at the time this sample was taken.
-
time_model(optional):
integer
Time model information.
-
time_waited(optional):
integer
If SESSION_STATE = WAITING, then the time that the session actually spent waiting for that event (in microseconds). This column is set for waits that were in progress at the time the sample was taken. If a wait event lasted for more than a second and was caught waiting in more than one session sample row, then the actual time spent waiting for that wait event will be populated in the last of those session sample rows. At any given time, this information will not be available for the latest session sample.
-
tm_delta_cpu_time(optional):
integer
Amount of time this session spent on CPU over the last TM_DELTA_TIME microseconds.
-
tm_delta_db_time(optional):
integer
Amount of time spent by this session in database calls over the last TM_DELTA_TIME microseconds.
-
tm_delta_time(optional):
integer
Time interval (in microseconds) over which TM_DELTA_CPU_TIME and TM_DELTA_DB_TIME are accumulated.
-
top_level_call#(optional):
integer
Oracle top level call number.
-
top_level_call_name(optional):
string
Oracle top level call name.
-
top_level_sql_id(optional):
string
SQL identifier of the top level SQL statement.
-
top_level_sql_opcode(optional):
integer
Indicates what phase of operation the top level SQL statement was in.
-
user_id(optional):
integer
Oracle user identifier; maps to GV$SESSION.USER#.
-
wait_class(optional):
string
Wait class name of the event for which the session was waiting at the time of sampling.
-
wait_class_id(optional):
integer
Wait class identifier of the event for which the session was waiting at the time of sampling.
-
wait_time(optional):
integer
Total wait time for the event for which the session last waited if the session was on the CPU when sampled; 0 if the session was waiting at the time of sampling.
-
xid(optional):
string
Transaction ID that the session was working on at the time of sampling.