---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28486 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 21% / 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 757 5200 4 2276 7184 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:d9:70:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81744sec preferred_lft 81744sec inet6 fe80::f816:3eff:fed9:7012/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28486) 06/19/26 _x86_64_ (2 CPU) 00:41:17 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.35 0.01 1.33 0.01 0.05 16.93 871.77 01:10:01 1.20 0.00 1.20 0.00 0.00 14.40 0.00 01:20:01 1.80 0.26 1.52 0.02 32.04 74.52 1.08 01:30:01 14.10 0.00 1.52 12.57 0.15 18.99 109993.84 01:40:01 1.34 0.00 1.33 0.02 0.00 16.03 1.09 01:50:01 1.35 0.00 1.34 0.01 0.00 16.28 0.48 Average: 3.52 0.04 1.37 2.11 5.37 26.19 18477.69 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6279584 7531284 289052 3.55 30728 1426800 527472 5.75 442400 1187688 128 01:10:01 6272400 7524596 295740 3.64 30888 1427132 529704 5.77 440328 1188180 120 01:20:01 6230912 7510380 309496 3.81 31256 1453668 529756 5.77 449888 1206008 120 01:30:01 6240356 7520440 299124 3.68 31480 1454040 529756 5.77 449616 1206568 140 01:40:01 6240356 7521092 298464 3.67 31672 1454496 529840 5.77 450172 1207088 136 01:50:01 6240132 7521392 298164 3.67 31856 1454820 529904 5.77 450396 1207604 240 Average: 6250623 7521531 298340 3.67 31313 1445159 529405 5.77 447133 1200523 147 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.58 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.61 0.13 0.18 0.10 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.98 0.45 3.25 0.09 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.58 0.21 0.15 0.73 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.31 0.09 0.11 0.06 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 0.56 0.16 0.64 0.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28486) 06/19/26 _x86_64_ (2 CPU) 00:41:17 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.18 0.01 0.02 99.51 01:00:01 0 0.35 0.00 0.15 0.01 0.02 99.48 01:00:01 1 0.23 0.00 0.20 0.01 0.03 99.53 01:10:01 all 0.31 0.00 0.07 0.01 0.02 99.58 01:10:01 0 0.14 0.00 0.09 0.00 0.03 99.74 01:10:01 1 0.49 0.00 0.06 0.01 0.02 99.42 01:20:01 all 0.38 0.00 0.11 0.02 0.02 99.47 01:20:01 0 0.33 0.00 0.14 0.02 0.02 99.49 01:20:01 1 0.44 0.00 0.08 0.02 0.02 99.45 01:30:01 all 0.31 0.00 0.18 0.03 0.02 99.46 01:30:01 0 0.31 0.00 0.19 0.06 0.02 99.43 01:30:01 1 0.31 0.00 0.16 0.01 0.02 99.50 01:40:01 all 0.26 0.00 0.07 0.01 0.02 99.65 01:40:01 0 0.24 0.00 0.08 0.01 0.02 99.65 01:40:01 1 0.28 0.00 0.06 0.00 0.02 99.64 01:50:01 all 0.28 0.00 0.08 0.01 0.02 99.62 01:50:01 0 0.08 0.00 0.10 0.01 0.02 99.79 01:50:01 1 0.48 0.00 0.06 0.00 0.01 99.45 Average: all 0.30 0.00 0.11 0.01 0.02 99.55 Average: 0 0.24 0.00 0.12 0.02 0.02 99.60 Average: 1 0.37 0.00 0.10 0.01 0.02 99.50