ns::stats::SQLiteHistory method history allocator (public)

 <instance of ns::stats::SQLiteHistory> history allocator \
    -from from  -to to  [ -limit limit ] [ -cursor cursor ]

Defined in

Read compact process-wide allocator history from the configured owner server using one bounded sample SELECT. New samples provide stored projections; old rows without a projection are decoded once in this read. No topology loading or full-window payload rescan is performed. Preserve missing gauges as absent dictionary keys. Timestamps are epoch microseconds; instance and intervalSeconds allow callers to preserve restart boundaries and gaps. Reading does not collect or write samples. Coverage complete and windowExamined remain false: this projection does not certify window boundaries or absence of eviction/write failures. Use history query when full-window coverage assessment is required. Timings distinguish checkout, sample SQL read, decoding and total time.

Switches:

-from (required, integer)

Inclusive lower bound in epoch seconds; must be nonnegative.

-to (required, integer)

Exclusive upper bound in epoch seconds; after from, at most 24 hours later and no later than now.

-limit (optional, integer, defaults to "10000")

Maximum compact records per page, 1..10000; default 10000.

-cursor (optional, integer, defaults to "0")

Nonnegative timestamp cursor in microseconds, default 0; pass nextCursor unchanged for continuation.

Returns:

Dictionary containing compact records (timestamp, instance, sampling.intervalSeconds and memory), more, nextCursor, legacyDecoded, timings in milliseconds and conservative coverage metadata.

Testcases:

No testcase defined.