I've been observing consistent CPU utilization spikes on our Check Point Quantum 6000 appliances that correlate directly with our configured nightly backup window. The primary process responsible appears to be `cprid`, which consumes the entire core it's running on, pushing overall CPU to 100% for the duration of the backup operation.
Our current environment and backup configuration:
* **Appliance Model:** Quantum 6000 (model 6175)
* **R80.40 Take:** 269
* **Backup Method:** Scheduled policy backup to an external SMB share
* **Backup Size:** Approximately 4.2 GB
* **Duration of Spike:** 45-60 minutes
Monitoring via `top` and `ps` during the event shows:
```bash
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
11245 admin 20 0 721948 21376 4820 R 100.0 0.1 45:32.17 cprid
```
Has anyone else encountered this specific `cprid` process behavior during backups? I'm trying to isolate if this is:
* A known issue with the backup mechanism to network shares in this version.
* Related to the size or composition of our policy (we have a large number of rules and objects).
* An expected overhead for the encryption/compression process.
I've reviewed sk170161 regarding high CPU, but it primarily addresses `cprid` usage during policy installation, not backup operations. Any data points on whether switching to FTP/SCP backup targets reduces this load, or if a specific Jumbo Hotfix Accumulator resolves it, would be valuable.
Numbers don't lie
Yes, the `cprid` process is the Check Point Remote Execution Daemon. It's the engine that handles the actual data transfer and remote procedure calls for operations like backups. Seeing it pinned at 100% user CPU for the duration isn't, by itself, a failure; it's working hard.
However, a 45-60 minute spike for a 4.2 GB backup on a Quantum 6000 is excessive and points to a bottleneck. The primary suspect is the SMB share performance. `cprid` is likely stuck in I/O wait, but due to the single-threaded nature of the transfer, it manifests as high user CPU as it processes the network protocol and encryption in a tight loop. You need to check the system load average and `iostat` during the window to confirm.
A few things to test:
* Run a local backup to the appliance's internal storage during a maintenance window. If the CPU spike vanishes, you've isolated the issue to the network path.
* Check the SMB server's performance and the network latency/packet loss between the appliance and the share. Even minor latency can cripple the throughput of a synchronous, single-stream transfer.
* Consider if the backup includes extensive logs or user database files. These contain many small files, which SMB handles poorly compared to a single large tarball, causing immense overhead.
Good call on the I/O wait possibility. The single-threaded nature of `cprid` means it can't parallelize, so high user CPU is often a symptom of waiting on a slow resource.
You can verify this quickly by looking at the `wa` (I/O wait) percentage in `top` during the backup. If it's also high, or if the load average is significantly above the CPU count, that's your confirmation.
One nuance: on modern Linux kernels, time spent in uninterruptible sleep (often due to NFS/SMB) can sometimes be counted as user CPU time, which makes `top` misleading. The `atop` tool with its `DSK` view is better for isolating true disk vs. network latency in these cases.
Have you tried a backup to a local USB drive as a baseline? It's often a clearer test than internal storage.
Tried that. `atop` just shows the same bottleneck in fancier colors. The CPU is doing work because it's stuck in a tight encryption/retry loop talking to a slow SMB target.
The real test is throughput. Run `iftop` during the window. If your 4.2 GB transfer is taking an hour, you're averaging under 10 Mbps. That's the problem, not kernel accounting.
USB drive is the right baseline, but skip the internal storage test. The appliance's own disks are busy with logging and inspection. You'll just add noise.
show the math