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Address Database (ADB) shares the memory for the short lived ADB objects (finds, fetches, addrinfo) and the long lived ADB objects (names, entries, namehooks). This could lead to a situation where the resolver-heavy load would force evict ADB objects from the database to point where ADB is completely empty, leading to even more resolver-heavy load. Make the short lived ADB objects use the other memory context that we already created for the hashmaps. This makes the ADB overmem condition to not be triggered by the ongoing resolver fetches. |
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