Serve ObjectService.SearchV2 RPC
#3111
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cthulhu-rider
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Feb 7, 2025
cthulhu-rider
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- based on and blocked by Store object metadata in metabases for SearchV2 service #3080
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## master #3111 +/- ##
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+ Coverage 22.47% 22.93% +0.46%
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Files 751 751
Lines 57804 58721 +917
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+ Hits 12991 13470 +479
- Misses 43929 44310 +381
- Partials 884 941 +57 ☔ View full report in Codecov by Sentry. |
There is a need to serve `ObjectService.SearchV2` RPC by the SN. In order not to expand the structure and configuration of the node, the best place to store metadata is metabase. Metabases are extended with per-container object metadata buckets. For each object, following indexes are created: - OID; - attribute->OID; - OID->attribute. Integers are stored specifically to reach lexicographic comparisons without decoding. New `Search` method is provided: it allows to filter out container's objects and receive specified attributes. Count is also limited, op is paged via cursor. In other words, the method follows SearchV2 behavior within single metabase. Refs #3058. Signed-off-by: Leonard Lyubich <[email protected]>
Future use-cases: - merge results from several shard's metabases; - merge results from several SNs. Refs #3058. Signed-off-by: Leonard Lyubich <[email protected]>
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WIP Refs #3058. Signed-off-by: Leonard Lyubich <[email protected]>
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