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Use exponential backoff when waiting for a journal entry

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When looking for a cursor that matches the first journal entry for a
given container, wait and try to find it using exponential backoff.

[NO NEW TESTS NEEDED]

Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
This commit is contained in:
Nalin Dahyabhai
2021-10-18 12:29:12 -04:00
parent e0ffc431fe
commit db7a98de40
1 changed files with 5 additions and 1 deletions
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6
libpod/container_log_linux.go
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@ -91,8 +91,12 @@ func (c *Container) readFromJournal(ctx context.Context, options *logs.LogOption
var cursorError error
for i := 1; i <= 3; i++ {
cursor, cursorError = journal.GetCursor()
hundreds := 1
for j := 1; j < i; j++ {
hundreds *= 2
}
if cursorError != nil {
time.Sleep(time.Duration(i*100) * time.Millisecond)
time.Sleep(time.Duration(hundreds*100) * time.Millisecond)
continue
}
break