I changed my archive_command to the following:
archive_command = 'gsutil cp /storage/postgresql/9.6/main/%p gs://my_bucket/pg_xlog/'
and it fails, leaving the following in the log:
2017-08-18 18:34:25.057 GMT [1436][0]: [104319] LOG: archive command failed with exit code 1
2017-08-18 18:34:25.057 GMT [1436][0]: [104320] DETAIL: The failed archive command was: gsutil cp /storage/postgresql/9.6/main/000000010000038B000000D8 gs://my_bucket/pg_xlog/
2017-08-18 18:34:25.057 GMT [1436][0]: [104321] WARNING: archiving transaction log file "000000010000038B000000D8" failed too many times, will try again later
But the command works when executed manually:
root$ su postgres -c "gsutil cp /storage/postgresql/9.6/main/000000010000038B000000D8 gs://my_bucket/pg_xlog/"
root$ echo $?
0
The last command verifies that gsutil indeed exited with 0.
How to best debug this issue?
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