The following statistics are gathered by the Cassandra session ownership store implementation included with Rhino:
CassandraSessionOwnershipStats
Cassandra session ownership store statistics
OID: not specified
| Name | Short Name | Mapping | Description | Type | Unit Label | Default View | Source Units | Default Display Units |
|---|---|---|---|---|---|---|---|---|
batchesCreated |
batches |
2 |
Cassandra BATCH statements created |
counter |
# |
counter |
||
batchedStatements |
bStmts |
3 |
UPDATE/DELETE statements included in a BATCH |
counter |
# |
counter |
||
batchedStatementSizeTotal |
bStmtSzT |
4 |
Total size of all UPDATE/DELETE statements that were batched |
counter |
bytes |
counter |
||
notBatchedStatements |
XbStmts |
5 |
UPDATE/DELETE statements not included in a BATCH |
counter |
# |
counter |
||
notBatchedStatementSizeTotal |
XbStmtSzT |
6 |
Total size of all UPDATE/DELETE statements that were not batched |
counter |
bytes |
counter |
||
querySuccesses |
succ |
7 |
Database queries that executed successfully |
counter |
# |
counter |
||
queryFailures |
fail |
8 |
Database queries that failed during execution |
counter |
# |
counter |
||
recordsStored |
str |
10 |
Count of blind-write records stored successfully |
counter |
# |
counter |
||
recordStoreFailures |
strF |
11 |
Count of blind-write record store attempts that failed |
counter |
# |
counter |
||
casCreateRecordsStored |
Cstr |
12 |
Count of CAS-create records stored successfully |
counter |
# |
counter |
||
casCreateRecordStoreFailures |
CstrF |
13 |
Count of CAS-create record store attempts that failed |
counter |
# |
counter |
||
casSequenceRecordsStored |
Sstr |
14 |
Count of CAS-sequence records stored successfully |
counter |
# |
counter |
||
casSequenceRecordStoreFailures |
SstrF |
15 |
Count of CAS-sequence record store attempts that failed |
counter |
# |
counter |
||
recordsDeleted |
del |
16 |
Count of blind-write records deleted successfully |
counter |
# |
counter |
||
recordDeleteFailures |
delF |
17 |
Count of blind-write record delete attempts that failed |
counter |
# |
counter |
||
casSequenceRecordsDeleted |
Sdel |
18 |
Count of CAS-sequence records deleted successfully |
counter |
# |
counter |
||
casSequenceRecordDeleteFailures |
SdelF |
19 |
Count of CAS-sequence record delete attempts that failed |
counter |
# |
counter |
||
retrievesSuccessful |
retrS |
20 |
Count of successful retrieve attempts that returned useful data |
counter |
# |
counter |
||
retrievesNoData |
retrN |
21 |
Count of successful retrieve attempts that returned no data |
counter |
# |
counter |
||
retrieveFailures |
retrF |
22 |
Count of retrieve attempts that failed |
counter |
# |
counter |
||
requestQueueOverflows |
qOvf |
27 |
Count of session ownership requests that could not be fulfilled due to lack of space in the thread pool request queue |
counter |
# |
counter |
||
batchedStatementSize |
bStmtSz |
Size of UPDATE/DELETE statements that were batched |
sample |
bytes |
count |
count |
||
notBatchedStatementSize |
XbStmtSz |
Size of UPDATE/DELETE statements that were not batched |
sample |
bytes |
count |
count |
||
persistedBatchSize |
persSz |
Total size of all UPDATE/DELETE statements batched in each persistence cycle |
sample |
bytes |
count |
count |
||
readTime |
readT |
Time taken to execute each SELECT statement |
sample |
ms |
time/nanoseconds |
time/milliseconds |
||
writeTime |
writeT |
Time taken to execute (potentially batched) UPDATE/DELETE statements |
sample |
ms |
time/nanoseconds |
time/milliseconds |
