MongoDB: Added new metric "pages written from cache" #7870
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solves #7803 |
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Why does the metric say |
This new metric name A new entry is added for this metric in test file |
0 is a default value for ints, so it doesn't validate that the variable does anything. Can we add something more specific here? |
@ssoroka I have updated the testcase. can you pls review it ? |
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I'm a bit concerned that this test is only checking for the presence of the key, and not that it was parsed correctly anywhere, and not validating the value. I assume you've tested this locally against live data and it worked okay? |
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Yes I have tested it against real data and it worked fine. I have included the result in PR description itself |
Added new metric "pages written from cache" for MongoDB
Below is the test result
mongodb,host=my-system,hostname=127.0.0.1:27017 active_reads=1i,active_writes=0i,aggregate_command_failed=0i,aggregate_command_total=0i,assert_msg=0i,assert_regular=0i,assert_rollovers=0i,assert_user=8i,assert_warning=0i,available_reads=127i,available_writes=128i,commands=74i,commands_per_sec=12i,connections_available=203i,connections_current=1i,connections_total_created=1i,count_command_failed=0i,count_command_total=1i,cursor_no_timeout=0i,cursor_no_timeout_count=0i,cursor_pinned=0i,cursor_pinned_count=0i,cursor_timed_out=0i,cursor_timed_out_count=0i,cursor_total=0i,cursor_total_count=0i,delete_command_failed=0i,delete_command_total=0i,deletes=0i,deletes_per_sec=0i,distinct_command_failed=0i,distinct_command_total=0i,document_deleted=0i,document_inserted=0i,document_returned=1i,document_updated=0i,find_and_modify_command_failed=0i,find_and_modify_command_total=0i,find_command_failed=0i,find_command_total=30i,flushes=143i,flushes_per_sec=0i,flushes_total_time_ns=1642000000i,get_more_command_failed=0i,get_more_command_total=0i,getmores=1i,getmores_per_sec=1i,insert_command_failed=0i,insert_command_total=0i,inserts=0i,inserts_per_sec=0i,jumbo_chunks=0i,latency_commands=23646i,latency_commands_count=14i,latency_reads=2248i,latency_reads_count=2i,latency_writes=0i,latency_writes_count=0i,net_in_bytes=873i,net_in_bytes_count=1122i,net_out_bytes=51140i,net_out_bytes_count=51531i,open_connections=1i,operation_scan_and_order=0i,operation_write_conflicts=0i,page_faults=2075i,percent_cache_dirty=0,percent_cache_used=0,queries=30i,queries_per_sec=0i,queued_reads=0i,queued_writes=0i,resident_megabytes=24i,storage_freelist_search_bucket_exhausted=0i,storage_freelist_search_requests=0i,storage_freelist_search_scanned=0i,tcmalloc_central_cache_free_bytes=0i,tcmalloc_current_allocated_bytes=0i,tcmalloc_current_total_thread_cache_bytes=0i,tcmalloc_heap_size=0i,tcmalloc_max_total_thread_cache_bytes=0i,tcmalloc_pageheap_commit_count=0i,tcmalloc_pageheap_committed_bytes=0i,tcmalloc_pageheap_decommit_count=0i,tcmalloc_pageheap_free_bytes=0i,tcmalloc_pageheap_reserve_count=0i,tcmalloc_pageheap_scavenge_count=0i,tcmalloc_pageheap_total_commit_bytes=0i,tcmalloc_pageheap_total_decommit_bytes=0i,tcmalloc_pageheap_total_reserve_bytes=0i,tcmalloc_pageheap_unmapped_bytes=0i,tcmalloc_spinlock_total_delay_ns=0i,tcmalloc_thread_cache_free_bytes=0i,tcmalloc_total_free_bytes=0i,tcmalloc_transfer_cache_free_bytes=0i,total_available=0i,total_created=0i,total_docs_scanned=0i,total_in_use=0i,total_keys_scanned=0i,total_refreshing=0i,total_tickets_reads=128i,total_tickets_writes=128i,ttl_deletes=0i,ttl_deletes_per_sec=0i,ttl_passes=143i,ttl_passes_per_sec=1i,update_command_failed=0i,update_command_total=0i,updates=0i,updates_per_sec=0i,uptime_ns=8592302000000i,version="4.2.8",vsize_megabytes=5485i,wtcache_app_threads_page_read_count=6i,wtcache_app_threads_page_read_time=63i,wtcache_app_threads_page_write_count=12i,wtcache_bytes_read_into=30002i,wtcache_bytes_written_from=85607i,wtcache_current_bytes=50943i,wtcache_internal_pages_evicted=0i,wtcache_max_bytes_configured=8053063680i,wtcache_modified_pages_evicted=0i,wtcache_pages_evicted_by_app_thread=0i,wtcache_pages_queued_for_eviction=0i,wtcache_pages_read_into=14i,wtcache_pages_requested_from=1200i,wtcache_pages_written_from=14i,wtcache_server_evicting_pages=0i,wtcache_tracked_dirty_bytes=0i,wtcache_unmodified_pages_evicted=0i,wtcache_worker_thread_evictingpages=0i 1595331728000000000