---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30592 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 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 803 5097 4 2341 7138 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:1b:24:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.65/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81874sec preferred_lft 81874sec inet6 fe80::f816:3eff:fe1b:2451/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30592) 06/26/26 _x86_64_ (2 CPU) 00:41:50 LINUX RESTART (2 CPU) 00:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 1.54 0.01 1.52 0.01 0.05 18.27 445.23 01:10:12 1.30 0.00 1.30 0.00 0.00 15.27 0.00 01:20:12 14.40 0.26 1.58 12.57 31.13 75.15 109133.28 01:30:12 1.43 0.00 1.40 0.03 0.00 17.63 436.92 01:40:12 1.51 0.03 1.47 0.02 2.15 17.89 1.24 01:50:12 24.72 2.99 19.41 2.32 225.96 3446.66 699.94 Average: 7.48 0.55 4.44 2.49 43.22 598.46 18450.93 00:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6290568 7537144 283252 3.48 30704 1421752 529164 5.76 445476 1183672 124 01:10:12 6293480 7540564 279852 3.44 30872 1422088 530860 5.78 447120 1184172 168 01:20:12 6236420 7510596 309276 3.80 31228 1448440 727240 7.92 460808 1202092 184 01:30:12 6256700 7531460 288200 3.54 31460 1448768 727612 7.93 460900 1202652 192 01:40:12 6238068 7514136 305496 3.76 31672 1449872 727728 7.93 462156 1203264 184 01:50:12 5164536 7364072 402548 4.95 87016 2272828 870208 9.48 632144 2036460 1356 Average: 6079962 7499662 311437 3.83 40492 1577291 685469 7.47 484767 1335385 368 00:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.66 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:12 ens3 1.13 0.16 9.11 0.13 0.00 0.00 0.00 0.00 01:20:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 1.24 0.56 3.33 0.14 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 0.44 0.21 0.09 0.71 0.00 0.00 0.00 0.00 01:40:12 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 0.64 0.16 0.21 0.12 0.00 0.00 0.00 0.00 01:50:12 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:12 ens3 106.29 74.66 323.81 17.47 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 18.40 12.64 56.14 3.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30592) 06/26/26 _x86_64_ (2 CPU) 00:41:50 LINUX RESTART (2 CPU) 00:50:12 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.28 0.00 0.17 0.04 0.03 99.48 01:00:00 0 0.08 0.00 0.19 0.04 0.03 99.66 01:00:00 1 0.48 0.00 0.14 0.05 0.02 99.31 01:10:12 all 0.28 0.00 0.07 0.01 0.02 99.61 01:10:12 0 0.28 0.00 0.08 0.01 0.02 99.60 01:10:12 1 0.28 0.00 0.07 0.01 0.02 99.62 01:20:12 all 0.40 0.00 0.12 1.56 0.02 97.90 01:20:12 0 0.13 0.00 0.12 3.08 0.03 96.65 01:20:12 1 0.67 0.00 0.12 0.04 0.02 99.15 01:30:12 all 0.26 0.00 0.17 0.37 0.01 99.18 01:30:12 0 0.41 0.00 0.17 0.26 0.01 99.15 01:30:12 1 0.12 0.00 0.17 0.48 0.02 99.21 01:40:12 all 0.30 0.00 0.09 0.13 0.01 99.46 01:40:12 0 0.45 0.00 0.07 0.05 0.01 99.42 01:40:12 1 0.14 0.00 0.12 0.22 0.02 99.50 01:50:12 all 14.10 0.00 2.03 0.59 0.12 83.16 01:50:12 0 11.90 0.00 1.86 0.45 0.13 85.65 01:50:12 1 16.30 0.00 2.20 0.72 0.12 80.67 Average: all 2.60 0.00 0.44 0.45 0.04 96.47 Average: 0 2.20 0.00 0.41 0.65 0.04 96.70 Average: 1 2.99 0.00 0.47 0.25 0.04 96.25