From: Christian Ebner <c.ebner@proxmox.com>
To: pbs-devel@lists.proxmox.com
Subject: [pbs-devel] [RFC v2 proxmox-backup 32/36] pxar: caching: add look-ahead cache types
Date: Tue, 5 Mar 2024 10:26:59 +0100 [thread overview]
Message-ID: <20240305092703.126906-33-c.ebner@proxmox.com> (raw)
In-Reply-To: <20240305092703.126906-1-c.ebner@proxmox.com>
The look-ahead cache is used to cache entries during pxar archive
creation before encoding, in order to decide if regular file payloads
might be re-used rather than re-encoded.
These types allow to store the needed data and keep track of
directory boundaries while traversing the filesystem tree.
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
changes since version 1:
- Add enum variant to cache pxar exclude cli entries
pbs-client/src/pxar/look_ahead_cache.rs | 40 +++++++++++++++++++++++++
pbs-client/src/pxar/mod.rs | 1 +
2 files changed, 41 insertions(+)
create mode 100644 pbs-client/src/pxar/look_ahead_cache.rs
diff --git a/pbs-client/src/pxar/look_ahead_cache.rs b/pbs-client/src/pxar/look_ahead_cache.rs
new file mode 100644
index 00000000..59a0b1a8
--- /dev/null
+++ b/pbs-client/src/pxar/look_ahead_cache.rs
@@ -0,0 +1,40 @@
+use nix::sys::stat::FileStat;
+use pxar::encoder::PayloadOffset;
+use std::ffi::CString;
+use std::os::unix::io::OwnedFd;
+
+use crate::pxar::create::FileListEntry;
+use pxar::Metadata;
+
+pub(crate) struct CacheEntryData {
+ pub(crate) fd: OwnedFd,
+ pub(crate) c_file_name: CString,
+ pub(crate) stat: FileStat,
+ pub(crate) metadata: Metadata,
+ pub(crate) payload_offset: PayloadOffset,
+}
+
+impl CacheEntryData {
+ pub(crate) fn new(
+ fd: OwnedFd,
+ c_file_name: CString,
+ stat: FileStat,
+ metadata: Metadata,
+ payload_offset: PayloadOffset,
+ ) -> Self {
+ Self {
+ fd,
+ c_file_name,
+ stat,
+ metadata,
+ payload_offset,
+ }
+ }
+}
+
+pub(crate) enum CacheEntry {
+ RegEntry(CacheEntryData),
+ PxarExcludeCliEntry(FileListEntry, usize),
+ DirEntry(CacheEntryData),
+ DirEnd,
+}
diff --git a/pbs-client/src/pxar/mod.rs b/pbs-client/src/pxar/mod.rs
index 24315f5f..8a143624 100644
--- a/pbs-client/src/pxar/mod.rs
+++ b/pbs-client/src/pxar/mod.rs
@@ -50,6 +50,7 @@
pub(crate) mod create;
pub(crate) mod dir_stack;
pub(crate) mod extract;
+pub(crate) mod look_ahead_cache;
pub(crate) mod metadata;
pub(crate) mod tools;
--
2.39.2
next prev parent reply other threads:[~2024-03-05 9:28 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-05 9:26 [pbs-devel] [RFC pxar proxmox-backup 00/36] fix #3174: improve file-level backup Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 01/36] format/examples: add PXAR_PAYLOAD_REF entry header Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 02/36] encoder: add optional output writer for file payloads Christian Ebner
2024-03-11 13:21 ` Fabian Grünbichler
2024-03-11 13:50 ` Christian Ebner
2024-03-11 15:41 ` Fabian Grünbichler
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 03/36] format/decoder: add method to read payload references Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 04/36] decoder: add optional payload input stream Christian Ebner
2024-03-11 13:21 ` Fabian Grünbichler
2024-03-11 14:05 ` Christian Ebner
2024-03-11 15:27 ` Fabian Grünbichler
2024-03-11 15:51 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 05/36] accessor: " Christian Ebner
2024-03-11 13:21 ` Fabian Grünbichler
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 06/36] encoder: move to stack based state tracking Christian Ebner
2024-03-11 13:21 ` Fabian Grünbichler
2024-03-11 14:12 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 07/36] encoder: add payload reference capability Christian Ebner
2024-03-11 13:21 ` Fabian Grünbichler
2024-03-11 14:15 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 08/36] encoder: add payload position capability Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 09/36] encoder: add payload advance capability Christian Ebner
2024-03-11 13:22 ` Fabian Grünbichler
2024-03-11 14:22 ` Christian Ebner
2024-03-11 15:27 ` Fabian Grünbichler
2024-03-11 15:41 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 10/36] encoder/format: finish payload stream with marker Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 11/36] client: pxar: switch to stack based encoder state Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 12/36] client: backup: factor out extension from backup target Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 13/36] client: backup: early check for fixed index type Christian Ebner
2024-03-11 14:57 ` Fabian Grünbichler
2024-03-11 15:12 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 14/36] client: backup: split payload to dedicated stream Christian Ebner
2024-03-11 14:57 ` Fabian Grünbichler
2024-03-11 15:22 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 15/36] client: restore: read payload from dedicated index Christian Ebner
2024-03-11 14:58 ` Fabian Grünbichler
2024-03-11 15:26 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 16/36] tools: cover meta extension for pxar archives Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 17/36] restore: " Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 18/36] client: mount: make split pxar archives mountable Christian Ebner
2024-03-11 14:58 ` Fabian Grünbichler
2024-03-11 15:29 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 19/36] api: datastore: refactor getting local chunk reader Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 20/36] api: datastore: attach optional payload " Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 21/36] catalog: shell: factor out pxar fuse reader instantiation Christian Ebner
2024-03-11 14:58 ` Fabian Grünbichler
2024-03-11 15:31 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 22/36] catalog: shell: redirect payload reader for split streams Christian Ebner
2024-03-11 14:58 ` Fabian Grünbichler
2024-03-11 15:24 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 23/36] www: cover meta extension for pxar archives Christian Ebner
2024-03-11 14:58 ` Fabian Grünbichler
2024-03-11 15:31 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 24/36] index: fetch chunk form index by start/end-offset Christian Ebner
2024-03-12 8:50 ` Fabian Grünbichler
2024-03-14 8:23 ` Christian Ebner
2024-03-12 12:47 ` Dietmar Maurer
2024-03-12 12:51 ` Christian Ebner
2024-03-12 13:03 ` Dietmar Maurer
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 25/36] upload stream: impl reused chunk injector Christian Ebner
2024-03-13 9:43 ` Dietmar Maurer
2024-03-14 14:03 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 26/36] client: chunk stream: add chunk injection queues Christian Ebner
2024-03-12 9:46 ` Fabian Grünbichler
2024-03-19 10:52 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 27/36] client: implement prepare reference method Christian Ebner
2024-03-12 10:07 ` Fabian Grünbichler
2024-03-19 11:51 ` Christian Ebner
2024-03-19 12:49 ` Fabian Grünbichler
2024-03-20 8:37 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 28/36] client: pxar: implement store to insert chunks on caching Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 29/36] client: pxar: add previous reference to archiver Christian Ebner
2024-03-12 12:12 ` Fabian Grünbichler
2024-03-12 12:25 ` Christian Ebner
2024-03-19 12:59 ` Christian Ebner
2024-03-19 13:04 ` Fabian Grünbichler
2024-03-20 8:52 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 30/36] client: pxar: add method for metadata comparison Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 31/36] specs: add backup detection mode specification Christian Ebner
2024-03-12 12:17 ` Fabian Grünbichler
2024-03-12 12:31 ` Christian Ebner
2024-03-20 9:28 ` Christian Ebner
2024-03-05 9:26 ` Christian Ebner [this message]
2024-03-05 9:27 ` [pbs-devel] [RFC v2 proxmox-backup 33/36] client: pxar: add look-ahead caching Christian Ebner
2024-03-12 14:08 ` Fabian Grünbichler
2024-03-20 10:28 ` Christian Ebner
2024-03-05 9:27 ` [pbs-devel] [RFC v2 proxmox-backup 34/36] fix #3174: client: pxar: enable caching and meta comparison Christian Ebner
2024-03-13 11:12 ` Fabian Grünbichler
2024-03-05 9:27 ` [pbs-devel] [RFC v2 proxmox-backup 35/36] test-suite: add detection mode change benchmark Christian Ebner
2024-03-13 11:48 ` Fabian Grünbichler
2024-03-05 9:27 ` [pbs-devel] [RFC v2 proxmox-backup 36/36] test-suite: Add bin to deb, add shell completions Christian Ebner
2024-03-13 11:18 ` Fabian Grünbichler
2024-03-13 11:44 ` [pbs-devel] [RFC pxar proxmox-backup 00/36] fix #3174: improve file-level backup Fabian Grünbichler
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