backport: readd global lock for postgres and the channeldb_kv table #10397
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ziggie1984
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Add two configuration options to control global lock usage for different postgres database backends: - ChannelDBWithGlobalLock: for channeldb access (default: false) - WalletDBWithGlobalLock: for wallet database access (default: true) These allow fine-grained control over which databases use global locks, rather than hardcoding the behavior. This is a temporary measure until the revocation log and wallet are migrated to native SQL and become fully concurrent-safe.
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Replace hardcoded WithGlobalLock assignment with configurable options wallet postgres backends. Also add the WithGlobalLock option to the channeldb table for postgres backends. Defaults: - channeldb: false (allow concurrent access) - wallet: true (maintain safe single-writer behavior) Users can now override these defaults via: - db.postgres.channeldb-with-global-lock - db.postgres.walletdb-with-global-lock This gives operators flexibility while maintaining safe defaults until full native SQL migration is complete. Moreover exclude db.postgres.walletdb-with-global-lock check in the sample config file script. We cannot easily check the correct default because we set it later in the LND startup sequence so we exclude it.
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backports #10394