Hello,
In this patch, I revert the send_delta change in r1303856. The previous discussion is here: https://lists.apache.org/thread/h1d250w4t9286bdrkpp1gx73h588751q. Besides, I found that calculating the checksum also led to the slow execution of svnlook. If compare_root == NULL, it will send no checksum to apply_textdelta, but it will calculate the checksum for close_file, https://svn.apache.org/viewvc/subversion/trunk/subversion/libsvn_repos/replay.c?view=markup#l756. So, I skip the checksum calculation. [[[ Set send_delta in svnlook to FALSE; Skip checksum calculation if compare_root == NULL. *svnlook/svnlook.c (generate_delta_tree): Set send_delta to FALSE while driving the node editor. *libsvn_repos/replay.c (path_driver_cb_func): Skip checksum calculation if compare_root == NULL. ]]] Zonggan
svnlook-send-delta.patch.txt
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