---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39018 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 759 5113 4 2362 7182 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:72:06:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82767sec preferred_lft 82767sec inet6 fe80::f816:3eff:fe72:602/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39018) 07/26/26 _x86_64_ (2 CPU) 01:20:48 LINUX RESTART (2 CPU) 01:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:40:03 1.27 0.01 1.25 0.01 0.05 21.14 0.66 01:50:09 14.85 0.00 1.44 13.40 0.15 20.83 105485.02 02:00:09 1.60 0.00 1.58 0.02 0.00 140.46 396.17 02:10:09 1.26 0.00 1.26 0.01 0.00 30.07 0.11 02:20:09 3.05 0.04 2.44 0.57 1.09 104.72 1112.75 Average: 4.43 0.01 1.59 2.83 0.26 63.44 21589.59 01:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:40:03 5096976 7314672 451464 5.55 86596 2290592 898240 9.78 649680 2053680 240 01:50:09 5088916 7308092 458016 5.63 86724 2291944 898252 9.78 649324 2055124 212 02:00:09 5060248 7316744 449140 5.52 86860 2328948 888576 9.68 639168 2092272 836 02:10:09 5040148 7300852 464984 5.72 87008 2332960 906196 9.87 656840 2096432 204 02:20:09 5160560 7324536 450148 5.54 88208 2243164 905140 9.86 688392 2007408 96436 Average: 5089370 7312979 454750 5.59 87079 2297522 899281 9.79 656681 2060983 19586 01:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 14.18 13.12 141.52 1.20 0.00 0.00 0.00 0.00 01:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:09 ens3 5.68 5.17 32.87 0.67 0.00 0.00 0.00 0.00 02:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 17.46 16.33 185.62 1.72 0.00 0.00 0.00 0.00 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 20.85 20.12 224.67 1.92 0.00 0.00 0.00 0.00 02:20:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 16.03 13.55 69.90 8.50 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 14.82 13.65 130.72 2.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39018) 07/26/26 _x86_64_ (2 CPU) 01:20:48 LINUX RESTART (2 CPU) 01:30:09 CPU %user %nice %system %iowait %steal %idle 01:40:03 all 0.91 0.00 0.22 0.01 0.04 98.82 01:40:03 0 0.87 0.00 0.23 0.01 0.04 98.86 01:40:03 1 0.95 0.00 0.22 0.01 0.04 98.79 01:50:09 all 5.35 0.00 0.54 0.03 0.06 94.02 01:50:09 0 5.54 0.00 0.55 0.01 0.06 93.85 01:50:09 1 5.16 0.00 0.54 0.05 0.06 94.18 02:00:09 all 2.39 0.00 0.40 0.01 0.05 97.15 02:00:09 0 2.23 0.00 0.36 0.01 0.03 97.36 02:00:09 1 2.54 0.00 0.45 0.02 0.07 96.93 02:10:09 all 1.63 0.00 0.32 0.03 0.05 97.97 02:10:09 0 1.82 0.00 0.36 0.02 0.05 97.75 02:10:09 1 1.45 0.00 0.27 0.03 0.05 98.20 02:20:09 all 2.66 0.00 0.34 0.09 0.05 96.87 02:20:09 0 2.41 0.00 0.35 0.05 0.04 97.14 02:20:09 1 2.90 0.00 0.33 0.13 0.05 96.59 Average: all 2.58 0.00 0.36 0.03 0.05 96.97 Average: 0 2.57 0.00 0.37 0.02 0.04 97.00 Average: 1 2.60 0.00 0.36 0.05 0.05 96.94