-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 I saw posts about that in the mailing lists. According to SAR, there wasn't an abnormal amount of page faults. We have swap disabled and have min_kbytes_free set to 6GB which has worked well for us so far. We kicked around still setting swappiness to 10 (should help be more aggressive on freeing up memory), but decided to migrate the VMs first. - ---------------- Robert LeBlanc PGP Fingerprint 79A2 9CA4 6CC4 45DD A904 C70E E654 3BB2 FA62 B9F1 On Mon, Nov 23, 2015 at 12:14 PM, Mark Nelson wrote: > FWIW, if you've got collectl per-process logs, you might look for major > pagefaults associated with the osd processes. I've seen process swapping > cause heartbeat timeouts in the past. Not to say that's the issue, but > worth confirming it's not happening. > > Mark -----BEGIN PGP SIGNATURE----- Version: Mailvelope v1.2.3 Comment: https://www.mailvelope.com wsFcBAEBCAAQBQJWU2nICRDmVDuy+mK58QAASAAP/ixjjqyg7a0tHpgt+Nn4 lSBUyAk5AQrvT0hv7cyMi5tt4g/R5ur05jeIJUKcrrKhroInO4s20B6cErwl tRPJwVjFgvsmDxxvZIbqxwpZgPu1GpzHalV3XnNU0ez+pFIWG7Cu1dEFxezI 5hccNSy6afoIlC5wWCMb4I12bvpijtvhAP43pauFIDheUg0Eev4mbDCbSfU/ WuzzNiK9EZXnHcF1LVsqJtumT5PmcvmMktWFLm8BvhJk5k7ZZr7/27hgmjSK aNddnld2RZGomDmCttUxERNeIV0I/xg0h39gc8kTc6P9buiGpABwfTlUCRhz xI1iagmnSuV5hkCWCMc0KcZtSBdAeH1kNgkbxFI3qr1/AwPVVvAssUIrBBlV spL+z2e/DKqNf5Hq4WHpc5GdJsBDlETFDaLYc6LquAzrYN/Bt1XbXD2pP+R1 JRNJITSrTzKcXxCFYVdpDKPzvmtojh8aVGr7LsnJYdrUTgNwYn5MBdoermjH xKoHuP91Rmr1+0aMABU+2AD1LZ2+xY6SIOV3TDCJSUk/gLVvSwLuTOTNKbtP 3tdanJhqamh1QCX9ze4Wb96mLTCWmn0SFBzPb0dlHXCcwUinGg76po79tq0L jTpI6Ont33fRwxC4R6lfYucanYMuDQxnrF3rrUad9K3cx8EfpCruHd6PE0Yc iRYm =b7ZB -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html