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Reserve journal space for stabilize requests dynamically to prevent stalls

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This commit is contained in:
Vitaliy Filippov
2023-11-20 03:01:57 +03:00
parent 3fd873d263
commit cf36445359
5 changed files with 35 additions and 14 deletions
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src/blockstore_journal.h
-6
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@@ -13,12 +13,6 @@
#define JOURNAL_BUFFER_SIZE 4*1024*1024
#define JOURNAL_ENTRY_HEADER_SIZE 16
// We reserve some extra space for future stabilize requests during writes
// FIXME: This value should be dynamic i.e. Blockstore ideally shouldn't allow
// writing more than can be stabilized afterwards
#define JOURNAL_STABILIZE_RESERVATION 65536
#define JOURNAL_INSTANT_RESERVATION 131072
// Journal entries
// Journal entries are linked to each other by their crc32 value
// The journal is almost a blockchain, because object versions constantly increase