Andrey Borodin

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> So the sdk fixed something which affects our S3 instance? Is there a way to find out what? You can bisect first WAL-G release that does not hang and...

Hi! Thanks for reporting! Sounds really scarry. Can you please check indexes with amcheck? If possible with bt_index_check_parent(). Messages from this utility can help analyze what happened.

I would suggest avoid fixing problem with REINDEX: it's better to track source of the corruption before doing this.

Can you please check backup source with amcheck too?

We do amcheck+reindex(for indexes that failed) during trusty->bionic migration. And do not use different distros across nodes.

1. Restore copy of a cluster on new Ubuntu 2. Identify collation-dependent indexex with amcheck 3. after upgrade - reindex those indexes. (see latest PG release if you can REINDEX...

Hi Dennis! Last time when I got this error was when I mistype AWS_SECRET_ACCESS_KEY, added whitespace at the end. I do not use AWS, I use S3 compatible Yandex Object...

you can set WALG_LOG_LEVEL=DEVEL or use strace or modify source codes, the compilation is not that hard....

@keefien feel free to send a PR woith proposed change. if you need assistance with code plz ask your questions here, in Telegram or Slack dev chat.