---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53025 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5600.00 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 836 5092 4 2301 7105 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:19:43:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83443sec preferred_lft 83443sec inet6 fe80::f816:3eff:fe19:433c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53025) 03/26/26 _x86_64_ (2 CPU) 03:02:39 LINUX RESTART (2 CPU) 03:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:32 1.55 0.02 1.51 0.02 1.52 117.35 1.06 03:30:01 1.50 0.00 1.48 0.02 0.00 109.67 0.44 03:40:01 1.30 0.00 1.29 0.00 0.20 30.90 0.00 03:50:14 1.37 0.00 1.36 0.00 0.69 24.99 0.01 Average: 1.43 0.01 1.41 0.01 0.62 70.59 0.38 03:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:32 5241548 7374436 397400 4.89 84176 2213156 707712 7.71 634932 1971508 128 03:30:01 5193464 7353164 418256 5.14 84340 2239408 714052 7.78 641352 1997924 240 03:40:01 5187424 7352372 418984 5.15 84476 2244452 689884 7.51 641608 2003104 124 03:50:14 5270904 7441332 330024 4.06 84640 2249692 558012 6.08 544440 2008296 2224 Average: 5223335 7380326 391166 4.81 84408 2236677 667415 7.27 615583 1995208 679 03:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:32 ens3 31.52 30.09 15.36 2.39 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 13.20 12.87 21.46 1.11 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 24.69 24.42 5.18 1.84 0.00 0.00 0.00 0.00 03:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:14 ens3 30.43 28.53 6.95 2.18 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 25.23 24.22 12.13 1.90 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53025) 03/26/26 _x86_64_ (2 CPU) 03:02:39 LINUX RESTART (2 CPU) 03:10:01 CPU %user %nice %system %iowait %steal %idle 03:20:32 all 4.45 0.00 0.64 0.01 0.05 94.84 03:20:32 0 3.71 0.00 0.63 0.01 0.05 95.61 03:20:32 1 5.20 0.00 0.66 0.02 0.05 94.07 03:30:01 all 4.09 0.00 0.63 0.01 0.05 95.22 03:30:01 0 3.90 0.00 0.60 0.02 0.05 95.43 03:30:01 1 4.28 0.00 0.65 0.01 0.05 95.01 03:40:01 all 2.44 0.00 0.42 0.01 0.05 97.09 03:40:01 0 2.23 0.00 0.39 0.01 0.04 97.34 03:40:01 1 2.64 0.00 0.45 0.01 0.05 96.84 03:50:14 all 2.08 0.00 0.34 0.01 0.05 97.53 03:50:14 0 1.60 0.00 0.39 0.01 0.05 97.96 03:50:14 1 2.56 0.00 0.30 0.01 0.05 97.09 Average: all 3.26 0.00 0.51 0.01 0.05 96.17 Average: 0 2.85 0.00 0.50 0.01 0.05 96.59 Average: 1 3.68 0.00 0.52 0.01 0.05 95.75