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Posted to commits@cassandra.apache.org by "Mohammad Aburadeh (Jira)" <ji...@apache.org> on 2023/04/13 19:59:00 UTC
[jira] [Created] (CASSANDRA-18448) Missing "SSTable Count" metrics when using nodetool with "--format" option
Mohammad Aburadeh created CASSANDRA-18448:
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Summary: Missing "SSTable Count" metrics when using nodetool with "--format" option
Key: CASSANDRA-18448
URL: https://issues.apache.org/jira/browse/CASSANDRA-18448
Project: Cassandra
Issue Type: Bug
Components: Tool/nodetool
Reporter: Mohammad Aburadeh
Hi,
I'm using "nodetool cfstats --format json" to gather some metrics/infomation about our tables.
I noticed that the "SSTable Count" is missing when using "–format" option.
If I don't use "–format" option, I can set "SSTable Count" in the output.
*Output of "nodetool cfstats --format json | jq":*
{code:java}
{ "total_number_of_tables": 38, "stress_test": { "write_latency_ms": 0.8536725334338424, "tables": { "res1": { "average_tombstones_per_slice_last_five_minutes": null, "bloom_filter_off_heap_memory_used": "159256", "memtable_switch_count": 754, "maximum_tombstones_per_slice_last_five_minutes": 0, "memtable_cell_count": 0, "memtable_data_size": "0", "average_live_cells_per_slice_last_five_minutes": null, "local_read_latency_ms": "NaN", "local_write_latency_ms": "NaN", "pending_flushes": 0, "compacted_partition_minimum_bytes": 785940, "local_read_count": 0, "sstable_compression_ratio": 0.6294161376582798, "dropped_mutations": "52751", "bloom_filter_false_positives": 0, "off_heap_memory_used_total": "58842196", "memtable_off_heap_memory_used": "0", "index_summary_off_heap_memory_used": "18972", "bloom_filter_space_used": "159408", "sstables_in_each_level": [], "compacted_partition_maximum_bytes": 4055269, "space_used_total": "302694398635", "local_write_count": 297111, "compression_metadata_off_heap_memory_used": "58663968", "number_of_partitions_estimate": 99614, "maximum_live_cells_per_slice_last_five_minutes": 0, "space_used_live": "302694398635", "compacted_partition_mean_bytes": 3827283, "bloom_filter_false_ratio": "0.00000", "percent_repaired": 0, "space_used_by_snapshots_total": "0" } }, "read_latency_ms": null, "pending_flushes": 0, "write_count": 594308, "read_latency": null, "read_count": 0 }}
{code}
*Output of "nodetool cfstats":*
{code:java}
{code}
*----------------
Keyspace : stress_test
Read Count: 0
Read Latency: NaN ms
Write Count: 594308
Write Latency: 0.8536725334338424 ms
Pending Flushes: 0
Table: res1
{color:#FF0000}SSTable count: 19{color} Space used (live): 302694398635
Space used (total): 302694398635
Space used by snapshots (total): 0
Off heap memory used (total): 58842196
SSTable Compression Ratio: 0.6294161376582798
Number of partitions (estimate): 99614
Memtable cell count: 0
Memtable data size: 0
Memtable off heap memory used: 0
Memtable switch count: 754
Local read count: 0
Local read latency: NaN ms
Local write count: 297111
Local write latency: NaN ms
Pending flushes: 0
Percent repaired: 0.0
Bloom filter false positives: 0
Bloom filter false ratio: 0.00000
Bloom filter space used: 159408
Bloom filter off heap memory used: 159256
Index summary off heap memory used: 18972
Compression metadata off heap memory used: 58663968
Compacted partition minimum bytes: 785940
Compacted partition maximum bytes: 4055269
Compacted partition mean bytes: 3827283
Average live cells per slice (last five minutes): NaN
Maximum live cells per slice (last five minutes): 0
Average tombstones per slice (last five minutes): NaN
Maximum tombstones per slice (last five minutes): 0
Dropped Mutations: 52751*
*----------------*
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