[Bug 15585] New: rsync ends still with error 22 when try to deleting many files

[samba-bugs at samba.org]

https://bugzilla.samba.org/show_bug.cgi?id=15585

            Bug ID: 15585
           Summary: rsync ends still with error 22 when try to deleting
                    many files
           Product: rsync
           Version: 3.2.0
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P5
         Component: core
          Assignee: wayne at opencoder.net
          Reporter: fn at fkn-systems.de
        QA Contact: rsync-qa at samba.org
  Target Milestone: ---

Problem:

When syncing Souce/Target and must deleting many files, rsync stop still
quiet with Error-Code:

 "22 - Error allocating core memory buffers"

Desc:

When more than ~5-10 million files to delete, rsync ends still quiet, in
case of deleting process. Rsync reads (with --delete-before) the
complete Source and breaks than after deleting many (>1000) files on
Target. Else, (withOUT --delete-before), he does some sync on Target and
some deletes, some sync ... and breaks than after delete some files.

In case of this, Backups are not synced, and may space overflow after
next backup run.

Use of ‐‐max‐delete=100.000.000 are not functional to solve this

Command:

 rsync -vaxHSPAX --delete [--delete-before] $SOURCE $TARGET
 # $SOURCE, $TARGET are real directorys or remote (ramote:dir...)

Versions: It tested fail with:

 * rsync  version 3.2.3  protocol version 31
 * rsync  version 3.2.7  protocol version 31

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