Index Service Metrics
A list of the metrics provided by the Index Service.
The following Index-Service metrics can be queried by means of the REST APIs described in Statistics.
Tip
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Sum of disk bytes written per second, of all indexes, located on this node |
Average number of documents indexed per second, for this index |
Average size of the indexed items, for this index |
Sum of mutation rates of all indexes, located on this node |
Average resident percent across all indexes, located on this node |
Average latency observed by the index scans, for this index |
Number of times the required index page is found in memory, for this index |
Number of times the required index page is NOT found in memory, for this index |
The approximate size of the valid uncompressed index data, for this index |
The size of the valid compressed index data, for this index |
Total disk space taken up by this index, after compression. This includes index data files, checkpoints etc. |
Percentage of invalid index data, for this index |
The actual number of items present in the latest index snapshot, for this index |
The size of the index data files - including garbage, for this index |
Configured memory quota for the index service nodes |
Resident set size of the indexer process, running on this node |
Amount of memory used by the index memory allocator, on this node |
The memory used by this index |
Amount of memory used by underlying index storage, on this node |
Total memory used by the indexer process |
Number of document updates (of type insert, modify, delete) observed by this index |
Number of pending updates that are yet to be received by index service, for this index |
Number of updates queued (but not yet processed) by index service, for this index |
Total number of indexes, located on this node |
Number of scan requests received by the index service, for this index |
Number of rows/index entries returned as the scan result during index scans, for this index |
Number of rows/index entries read during the index scans, for this index |
Total number of storage instances, located on this node |
Encoded, uncompressed size of the index data, for this index |
Number of index entries cached in memory, for this index |
Number of index entries stored on disk, which are not cached in memory, for this index |
Ratio of records in memory to total records, for this index |
Number of bytes read from the index storage during index scans, for this index |
Sum of data size of all indexes, located on this node |
Sum of disk size of all indexes, located on this node |
Sum of drain rate of all indexes, located on this node |
Sum of number of requests received by all indexes, located on this node |
Sum of number of rows returned during index scan across all indexes, located on this node |
Sum of number of rows scanned during index scans across all indexes, located on this node |
Total time taken by the scans requests, for this index |