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logs.rst.txt
========== Debug logs ========== The main debugging tool for Ceph is the dout and derr logging functions. Collectively, these are referred to as "dout logging." Dout has several log faculties, whic...docs.ceph.com/en/latest/_sources/dev/logs.rst.txtWed Feb 08 19:04:45 GMT 2023 2.5K bytes -
cephfs-snapshots.rst.txt
CephFS Snapshots ========== CephFS supports snapshots, generally created by invoking mkdir within the ``.snap`` directory. Note this is a hidden, special directory, not visible during a directory l...docs.ceph.com/en/latest/_sources/dev/cephfs-snapshots.rst.txtWed Feb 08 19:04:46 GMT 2023 6.9K bytes -
delayed-delete.rst.txt
========== CephFS delayed deletion ========== The deletion of a file does not immediately remove its data. Each of the file's underlying objects must be removed independently. If these objects were...docs.ceph.com/en/latest/_sources/dev/delayed-delete.rst.txtWed Feb 08 19:04:47 GMT 2023 606 bytes -
libs.rst.txt
========== Library architecture ========== Ceph is structured into libraries which are built and then combined together to make executables and other libraries. - libcommon: a collection of utiliti...docs.ceph.com/en/latest/_sources/dev/libs.rst.txtWed Feb 08 19:04:43 GMT 2023 640 bytes -
placement-group.rst.txt
========== PG (Placement Group) notes ========== Miscellaneous copy-pastes from emails, when this gets cleaned up it should move out of /dev. Overview ======== PG = "placement group". When placing ...docs.ceph.com/en/latest/_sources/dev/placement-group.rst.txtWed Feb 08 19:04:47 GMT 2023 6.4K bytes -
erasure-coded-pool.rst.txt
Erasure Coded pool ========== Purpose ------- Erasure-coded pools require less storage space compared to replicated pools. The erasure-coding support has higher computational requirements and only ...docs.ceph.com/en/latest/_sources/dev/erasure-coded-pool.rst.txtTue Jan 21 20:03:53 GMT 2025 3.6K bytes -
object-store.rst.txt
========== Object Store Architecture Overview ========== .. graphviz:: digraph object_store { size="7,7"; node [color=lightblue2, style=filled, fontname="Serif"]; "testrados" -> "librados" "testrad...docs.ceph.com/en/latest/_sources/dev/object-store.rst.txtThu Apr 20 05:53:31 GMT 2023 1.1K bytes -
config-key.rst.txt
========== config-key layout ========== *config-key* is a general-purpose key/value storage service offered by the mons. Generally speaking, you can put whatever you want there. Current in-tree use...docs.ceph.com/en/latest/_sources/dev/config-key.rst.txtWed Feb 08 19:04:49 GMT 2023 1.7K bytes -
crush-msr.rst.txt
========== CRUSH MSR (Multi-step Retry) ========== Motivation ---------- Conventional CRUSH has an important limitation: rules with multiple `choose` steps which hit an `out` osd cannot retry prior...docs.ceph.com/en/latest/_sources/dev/crush-msr.rst.txtThu Feb 08 22:05:03 GMT 2024 5K bytes -
wbthrottle.rst.txt
========== Writeback Throttle ========== Previously, the filestore had a problem when handling large numbers of small ios. We throttle dirty data implicitly via the journal, but a large number of i...docs.ceph.com/en/latest/_sources/dev/osd_internals/wbthrottle.rst.txtWed Feb 08 19:04:44 GMT 2023 1.2K bytes