January 2019
Intermediate to advanced
606 pages
15h 1m
English
book
Ceph: Designing and Implementing Scalable Storage Systems
by Michael Hackett, Vikhyat Umrao, Karan Singh, Nick Fisk
Content preview from Ceph: Designing and Implementing Scalable Storage Systems
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Example assert
The following assert was taken from the Ceph user's mailing list:
2017-03-02 22:41:32.338290 7f8bfd6d7700 -1 osd/ReplicatedPG.cc: In function 'void ReplicatedPG::hit_set_trim(ReplicatedPG::RepGather*, unsigned int)' thread 7f8bfd6d7700 time 2017-03-02 22:41:32.335020osd/ReplicatedPG.cc: 10514: FAILED assert(obc)ceph version 0.94.7 (d56bdf93ced6b80b07397d57e3fa68fe68304432) 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x85) [0xbddac5] 2: (ReplicatedPG::hit_set_trim(ReplicatedPG::RepGather*, unsigned int)+0x75f) [0x87e48f] 3: (ReplicatedPG::hit_set_persist()+0xedb) [0x87f4ab] 4: (ReplicatedPG::do_op(std::tr1::shared_ptr<OpRequest>&)+0xe3a) [0x8a0d1a] 5: (ReplicatedPG::do_request(std::tr1::shared_ptr<OpRequest>&, ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.