---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1706 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: 5599.99 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 822 5104 4 2303 7118 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:9e:dc:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83424sec preferred_lft 83424sec inet6 fe80::f816:3eff:fe9e:dc4b/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-1706) 04/10/26 _x86_64_ (2 CPU) 03:07:58 LINUX RESTART (2 CPU) 03:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:05 14.55 1.60 11.27 1.68 122.73 1993.48 630.48 03:30:05 1.61 0.01 1.54 0.07 0.05 110.91 3.97 03:40:05 2.04 0.33 1.68 0.04 40.28 144.96 1.79 03:50:06 14.76 0.00 1.33 13.43 0.15 28.27 106410.51 Average: 8.26 0.49 3.97 3.80 40.97 572.35 26741.89 03:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:05 5314184 7401012 370964 4.56 84024 2167668 672644 7.33 591860 1936996 532 03:30:05 5235408 7350796 420920 5.18 84236 2195928 713236 7.77 632260 1965520 1020 03:40:05 5174224 7339236 431688 5.31 84536 2244624 690664 7.52 644560 2003140 180 03:50:06 5179796 7349088 421776 5.19 84668 2248712 690800 7.52 644544 2007332 280 Average: 5225903 7360033 411337 5.06 84366 2214233 691836 7.54 628306 1978247 503 03:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:05 lo 1.18 1.18 0.08 0.08 0.00 0.00 0.00 0.00 03:20:05 ens3 93.58 74.95 116.41 13.15 0.00 0.00 0.00 0.00 03:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:05 ens3 14.28 14.35 13.03 1.21 0.00 0.00 0.00 0.00 03:40:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:05 ens3 14.38 13.76 17.81 1.22 0.00 0.00 0.00 0.00 03:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:06 ens3 25.16 24.72 5.77 1.71 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 36.97 32.04 38.41 4.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1706) 04/10/26 _x86_64_ (2 CPU) 03:07:58 LINUX RESTART (2 CPU) 03:10:00 CPU %user %nice %system %iowait %steal %idle 03:20:05 all 8.74 0.00 1.43 2.87 0.06 86.90 03:20:05 0 8.22 0.00 1.37 2.98 0.05 87.37 03:20:05 1 9.26 0.00 1.48 2.77 0.06 86.42 03:30:05 all 4.07 0.00 0.64 0.01 0.07 95.22 03:30:05 0 4.03 0.00 0.68 0.01 0.07 95.21 03:30:05 1 4.11 0.00 0.60 0.01 0.06 95.22 03:40:05 all 4.07 0.00 0.54 0.03 0.07 95.29 03:40:05 0 4.43 0.00 0.61 0.03 0.07 94.86 03:40:05 1 3.72 0.00 0.46 0.02 0.06 95.73 03:50:06 all 1.54 0.00 0.35 0.04 0.06 98.01 03:50:06 0 1.76 0.00 0.36 0.05 0.07 97.75 03:50:06 1 1.33 0.00 0.34 0.02 0.06 98.26 Average: all 4.61 0.00 0.74 0.74 0.06 93.84 Average: 0 4.62 0.00 0.76 0.77 0.07 93.79 Average: 1 4.61 0.00 0.72 0.71 0.06 93.90