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feat(events): persist events to disk so they survive the process (tier 3) - #408

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abelonogov-ld wants to merge 177 commits into

mainfrom

andrey/event-durability-tier3-persistence

Open

feat(events): persist events to disk so they survive the process (tier 3)#408
abelonogov-ld wants to merge 177 commits into
mainfrom
andrey/event-durability-tier3-persistence

Commits on Sep 9, 2026
- feat(events): summarize and buffer events on the recording thread (tier 1)
  
  abelonogov-ld
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  244e04b
- feat(events): add a bounded flush (tier 2)
  
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  0c98c92
- feat(events): persist recorded events to an append-only log (tier 3)
  
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  cf48dbf
Commits on Sep 11, 2026
- test(events): benchmark what recording an event costs on Android
  
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  75a39b1
Commits on Sep 15, 2026
Commits on Sep 17, 2026
Commits on Sep 18, 2026
- fix warning
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  123cb81
- fix warning
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  80f3083
- eventCounts
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  df5a6f7
- persistEvents
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  d20585c
- Merge branch 'main' into andrey/event-durability-tier1-buffer
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  authored
  9569078
- option
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  0b39987
- docs(events): record that a failed diagnostic init is not retried
  
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  14349d5
- fix(events): deliver buffered events when connectivity returns
  
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  6d77bde
- Merge branch 'andrey/event-durability-tier1-buffer' into andrey/event-durability-tier2-bounded-flush
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  ef886dc
- Merge branch 'andrey/event-durability-tier2-bounded-flush' into andrey/event-durability-tier3-persistence
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- test(events): keep delivery from racing the on-disk assertions
  
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  363734a
Commits on Sep 21, 2026
Commits on Sep 22, 2026
Commits on Sep 23, 2026
Commits on Sep 25, 2026
- check persisting
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  9740da3
Commits on Sep 27, 2026
- Close the event log if writing its header fails
  
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  97a17f3
- Describe the diagnostic recording interval once
  
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  7ecc1c4
- Count events on their way into the store exactly once against capacity
  
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  11b788e
- Summarize per context without Java 8 library calls Android lacks below API 24
  
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  741d83f
Commits on Sep 28, 2026
- Commit on the store's thread and schedule the delivery retry
  
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  f432d58
- Take less work onto the evaluating thread
  
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  68d3dbf
- Group concurrent IMMEDIATE commit points into one commit
  
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  e35867e
- Queue no commit at a commit point where there is no disk
  
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  92e47dd
- Answer isPersisting without the staging lock
  
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  8cb6842
- Wait for the commit thread, not the events thread, before counting a full run
  
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  11e8a4e
- Update java-sdk-internal to 1.12.1
  
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  e2437b4
- Merge branch 'andrey/event-durability-tier1-buffer' into andrey/event-durability-tier2-bounded-flush
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  7fe25ed
- Merge branch 'andrey/event-durability-tier2-bounded-flush' into andrey/event-durability-tier3-persistence
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  23ff461
Commits on Sep 29, 2026
- comment fix
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  0290a36
- Merge branch 'main' into andrey/event-durability-tier1-buffer
  abelonogov-ld
  authored
  b5c64a0
Commits on Oct 2, 2026
Commits on Oct 6, 2026
- change to 500 ms
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- Tell a flush caller about events an earlier delivery took and lost
  
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  14b9e47
- Keep flushAndWait bounded at Long.MIN_VALUE and boolean on a cancelled delivery
  
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  committed
  6de55d5
- fix
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  0421534
- Pin flushAndWait's outcome for refused posts, abandoned waits and parallel environments
  
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  committed
  51bae97
- Move the crash flush into the SDK as EventFlushingCrashHandler
  
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  30a5008
- Rename EventFlushingCrashHandler to LDCrashHandler
  
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  f229dde
Commits on Oct 7, 2026
Commits on Oct 10, 2026
- Split the log format and this process's open log out of EventStore
  
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  committed
  ec6e121
Commits on Oct 11, 2026
Commits on Oct 12, 2026
- Take the frames a failed write left back off the log, so they are not sent twice
  
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  42aa53c
- Rename OpenEventLog to DiskEventLog, so it reads apart from diagnostic logging
  
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  1fc2081
- Remove the whole-run encoder, which nothing but two tests still called
  
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  2464bdb
- Commit first at close, and never wait past the budget on the caller's thread
  
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  c394ee1
- Group the DirectEventProcessor fields by the lock that guards them
  
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  b4dd983
- Keep counting events against capacity while they are on their way out of the buffer
  
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  6fb00b4
- Keep the closed-batch count equal to the batches it counts
  
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  cc1b040
- Stop counting a batch against capacity while its request is out
  
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  87e2b21
- unit tests for disabled
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  e184d34
- Give the event directory a class of its own
  
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  committed
  92af3fc
- Stop re-sending a delivered batch whose file will not delete
  
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  335e7cb
- Raise the default event capacity to 2000
  
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  d94c586
- Commit before every flush's delivery, not only flush()
  
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  13727c1
- Write on flush at DEFERRED too
  
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  58decdb
- Leave scheduling writes to the event processor, and count a batch's events in its file name
  
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  0a1e8ed
Commits on Oct 13, 2026
- combobox
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  fab94f2
- Report a stored batch this version cannot read as lost
  
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  committed
  0c05225
- Report an unreadable batch as lost, and return every batch closeBatch closes
  
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  committed
  3587b23
- Do not take a payload id ending in zero-led digits for a count
  
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  5c05668

Commits

Commits on Sep 9, 2026

Commits on Sep 11, 2026

Commits on Sep 15, 2026

Commits on Sep 17, 2026

Commits on Sep 18, 2026

Commits on Sep 21, 2026

Commits on Sep 22, 2026

Commits on Sep 23, 2026

Commits on Sep 25, 2026

Commits on Sep 27, 2026

Commits on Sep 28, 2026