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List:       openvz-criu
Subject:    [CRIU] incremental checkpoint
From:       Shivam Mehra <mshivam2196 () gmail ! com>
Date:       2020-10-15 12:57:00
Message-ID: CANp2S659sruhZoZcceh8JhFRghwvciODEdR1cpFFbprToZCQ=w () mail ! gmail ! com
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Is it possible to do incremental checkpointing in runc with full dumps?
In criu, we can do incremental checkpoints by doing

criu dump --tree <pid> --images-dir <path-to-existing-directory-B> \
 --prev-images-dir <path-to-directory-A-relative-to-B> --leave-stopped
--track-mem

from the help option of runc, it says we can use
--parent-path value path for previous criu image files in pre-dump option but
in case of pre-dumps only, Is there similar thing in runc which can do
incremental checkpointing with full dumps also?

[Attachment #5 (text/html)]

<div dir="ltr"><p style="box-sizing:border-box;margin-bottom:16px;color:rgb(36,41,46);font-family:-apple-system,BlinkMacSystemFont,&quot;Segoe \
UI&quot;,Helvetica,Arial,sans-serif,&quot;Apple Color Emoji&quot;,&quot;Segoe UI \
Emoji&quot;;font-size:14px;margin-top:0px">Is it possible to do incremental \
checkpointing in  <code \
style="box-sizing:border-box;font-family:SFMono-Regular,Consolas,&quot;Liberation \
Mono&quot;,Menlo,monospace;font-size:11.9px;padding:0.2em \
0.4em;margin:0px;background-color:rgba(27,31,35,0.05);border-radius:6px">runc</code>  \
with full  <code style="box-sizing:border-box;font-family:SFMono-Regular,Consolas,&quot;Liberation \
Mono&quot;,Menlo,monospace;font-size:11.9px;padding:0.2em \
0.4em;margin:0px;background-color:rgba(27,31,35,0.05);border-radius:6px">dumps</code>?<br \
style="box-sizing:border-box">In criu, we can do incremental checkpoints by \
doing</p><pre style="box-sizing:border-box;font-family:SFMono-Regular,Consolas,&quot;Liberation \
Mono&quot;,Menlo,monospace;font-size:11.9px;margin-top:0px;margin-bottom:16px;padding: \
16px;overflow:auto;line-height:1.45;background-color:rgb(246,248,250);border-radius:6px;color:rgb(36,41,46)"><code \
style="box-sizing:border-box;font-family:SFMono-Regular,Consolas,&quot;Liberation \
Mono&quot;,Menlo,monospace;padding:0px;margin:0px;background:initial;border-radius:6px \
;word-break:normal;border:0px;display:inline;overflow:visible;line-height:inherit">criu \
                dump --tree &lt;pid&gt; --images-dir \
                &lt;path-to-existing-directory-B&gt; \
 --prev-images-dir &lt;path-to-directory-A-relative-to-B&gt; --leave-stopped \
--track-mem </code></pre><p \
style="box-sizing:border-box;margin-top:0px;color:rgb(36,41,46);font-family:-apple-system,BlinkMacSystemFont,&quot;Segoe \
UI&quot;,Helvetica,Arial,sans-serif,&quot;Apple Color Emoji&quot;,&quot;Segoe UI \
Emoji&quot;;font-size:14px;margin-bottom:0px">from the help option of runc, it says \
we can use<br style="box-sizing:border-box"><code \
style="box-sizing:border-box;font-family:SFMono-Regular,Consolas,&quot;Liberation \
Mono&quot;,Menlo,monospace;font-size:11.9px;padding:0.2em \
0.4em;margin:0px;background-color:rgba(27,31,35,0.05);border-radius:6px">--parent-path \
value path for previous criu image files in pre-dump option</code>  but in case of \
pre-dumps only, Is there similar thing in runc which can do incremental checkpointing \
with full dumps also?</p></div>



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