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Apple Computing Products:
macOS - Operating System
Snapshots.db is huge
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<blockquote data-quote="MacInWin" data-source="post: 1654012"><p>Been doing some research and analysis. Here is a chart of my backups from 1/1/15 to yesterday. As you can see, it was hovering around 1GB until about the 7th of January, then started to grow linearly until yesterday. The spikes are from when I must have done something to update a major application or the OS. There were two days with no backup, which show as holes in the data. But clearly, the snapshots.db file started to run away in early January. I'm only posting this as a cautionary tale for anyone else who might want to look at that file every once in a while just to make sure it isn't running away on them. </p><p></p><p>I did talk to Mike at Bombich and he is aware of the file and plans to exclude it from backups in the future. He sees no need for it in a system backup as it gets rebuilt from scratch within a few minutes of removal. </p><p></p><p>Also, I noted that after I got rid of the db, Activity Monitor didn't have data on the Energy page to show battery history over the past 12 hours. As of right now, the green bar showing charge level is just over 2/3s over, reflecting that I killed the db and booted about 7 hours ago. So that db is where Activity Monitor gets that data.</p><p></p><p>Moral of the story? Watch that file! I plan to check it daily until I see that it's under control, then may move to weekly. I may craft a script to run the stuff I need to stop the daemons, delete the file and reboot if I find I have to manage this manually.</p><p></p><p>[ATTACH=full]22146[/ATTACH]</p></blockquote><p></p>
[QUOTE="MacInWin, post: 1654012"] Been doing some research and analysis. Here is a chart of my backups from 1/1/15 to yesterday. As you can see, it was hovering around 1GB until about the 7th of January, then started to grow linearly until yesterday. The spikes are from when I must have done something to update a major application or the OS. There were two days with no backup, which show as holes in the data. But clearly, the snapshots.db file started to run away in early January. I'm only posting this as a cautionary tale for anyone else who might want to look at that file every once in a while just to make sure it isn't running away on them. I did talk to Mike at Bombich and he is aware of the file and plans to exclude it from backups in the future. He sees no need for it in a system backup as it gets rebuilt from scratch within a few minutes of removal. Also, I noted that after I got rid of the db, Activity Monitor didn't have data on the Energy page to show battery history over the past 12 hours. As of right now, the green bar showing charge level is just over 2/3s over, reflecting that I killed the db and booted about 7 hours ago. So that db is where Activity Monitor gets that data. Moral of the story? Watch that file! I plan to check it daily until I see that it's under control, then may move to weekly. I may craft a script to run the stuff I need to stop the daemons, delete the file and reboot if I find I have to manage this manually. [ATTACH=full]22146[/ATTACH] [/QUOTE]
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Apple Computing Products:
macOS - Operating System
Snapshots.db is huge
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