---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6869 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 7.9G 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 750 5216 4 2264 7191 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:db:dd:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79836sec preferred_lft 79836sec inet6 fe80::f816:3eff:fedb:dd68/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6869) 04/23/26 _x86_64_ (2 CPU) 00:42:30 LINUX RESTART (2 CPU) 00:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:13 1.61 0.01 1.58 0.03 0.05 19.16 437.11 01:10:18 1.36 0.00 1.35 0.02 0.00 15.96 1.19 01:20:03 14.28 0.01 1.41 12.86 0.16 16.50 111954.75 01:30:16 2.16 0.31 1.81 0.04 38.16 75.99 427.54 01:40:16 3.10 1.33 1.74 0.03 97.42 151.59 1.47 01:50:16 20.45 1.71 16.54 2.21 132.04 3007.98 659.91 02:00:17 1.50 0.00 1.48 0.02 0.00 24.28 5.30 02:10:13 1.36 0.00 1.36 0.00 0.00 19.27 0.00 02:20:18 1.65 0.00 1.61 0.03 0.00 144.76 386.43 02:30:19 1.66 0.00 1.56 0.10 0.35 37.87 1.58 Average: 4.88 0.34 3.04 1.50 26.87 351.17 11100.36 00:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:13 6281788 7532584 287636 3.54 30780 1425804 529024 5.76 439020 1187508 132 01:10:18 6282580 7533908 286308 3.52 30972 1426136 529188 5.76 439148 1188032 132 01:20:03 6296740 7548632 271580 3.34 31168 1426508 529260 5.76 439900 1188556 292 01:30:16 6228508 7509500 310056 3.81 31592 1454776 731608 7.97 456776 1206200 132 01:40:16 6005108 7412112 400688 4.93 40288 1566192 608672 6.63 568096 1313268 57136 01:50:16 5157312 7273580 497828 6.12 85156 2195352 678820 7.39 646836 1954332 300 02:00:17 5248684 7367000 404376 4.97 85256 2197284 637648 6.95 597092 1956376 188 02:10:13 5203380 7355876 415492 5.11 85408 2231272 678616 7.39 638204 1990516 33104 02:20:18 5208504 7366020 405256 4.98 85632 2236012 646436 7.04 605300 1995472 216 02:30:19 5281508 7448876 322272 3.96 85848 2245512 554044 6.03 548224 2004964 4056 Average: 5719411 7434809 360149 4.43 59210 1840485 612332 6.67 537860 1598522 9569 00:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:13 ens3 0.61 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:18 ens3 0.62 0.05 7.50 0.03 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.42 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:30:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:16 ens3 0.48 0.22 3.06 0.05 0.00 0.00 0.00 0.00 01:40:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:16 ens3 17.69 10.11 66.64 4.60 0.00 0.00 0.00 0.00 01:50:16 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 01:50:16 ens3 57.20 43.08 372.83 8.16 0.00 0.00 0.00 0.00 02:00:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:17 ens3 13.04 11.89 139.87 1.09 0.00 0.00 0.00 0.00 02:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:13 ens3 5.33 4.32 41.23 0.59 0.00 0.00 0.00 0.00 02:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:18 ens3 15.71 14.96 148.53 1.72 0.00 0.00 0.00 0.00 02:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:19 ens3 8.44 8.34 2.52 1.49 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.95 9.32 78.29 1.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6869) 04/23/26 _x86_64_ (2 CPU) 00:42:30 LINUX RESTART (2 CPU) 00:50:13 CPU %user %nice %system %iowait %steal %idle 01:00:13 all 0.33 0.00 0.16 0.01 0.02 99.48 01:00:13 0 0.41 0.00 0.14 0.01 0.01 99.43 01:00:13 1 0.24 0.00 0.19 0.01 0.03 99.53 01:10:18 all 0.27 0.00 0.07 0.01 0.02 99.62 01:10:18 0 0.21 0.00 0.07 0.01 0.02 99.68 01:10:18 1 0.34 0.00 0.07 0.01 0.02 99.56 01:20:03 all 0.29 0.00 0.10 0.03 0.02 99.57 01:20:03 0 0.08 0.00 0.11 0.04 0.02 99.76 01:20:03 1 0.49 0.00 0.09 0.02 0.02 99.38 01:30:16 all 0.37 0.00 0.21 0.02 0.02 99.38 01:30:16 0 0.40 0.00 0.18 0.02 0.02 99.38 01:30:16 1 0.33 0.00 0.24 0.02 0.02 99.38 01:40:16 all 1.22 0.00 0.25 0.05 0.02 98.47 01:40:16 0 0.92 0.00 0.21 0.04 0.02 98.82 01:40:16 1 1.53 0.00 0.28 0.05 0.03 98.11 01:50:16 all 10.59 0.00 1.63 0.45 0.05 87.27 01:50:16 0 10.42 0.00 1.49 0.65 0.05 87.40 01:50:16 1 10.77 0.00 1.76 0.25 0.06 87.15 02:00:17 all 0.90 0.00 0.31 0.01 0.05 98.74 02:00:17 0 0.69 0.00 0.28 0.01 0.04 98.98 02:00:17 1 1.11 0.00 0.34 0.00 0.05 98.49 02:10:13 all 6.57 0.00 0.64 0.01 0.07 92.71 02:10:13 0 5.32 0.00 0.54 0.01 0.06 94.07 02:10:13 1 7.84 0.00 0.74 0.01 0.08 91.34 02:20:18 all 1.88 0.00 0.29 0.01 0.06 97.77 02:20:18 0 2.27 0.00 0.26 0.01 0.05 97.41 02:20:18 1 1.48 0.00 0.31 0.01 0.07 98.13 02:30:19 all 2.39 0.00 0.27 0.01 0.06 97.28 02:30:19 0 2.18 0.00 0.31 0.01 0.07 97.43 02:30:19 1 2.59 0.00 0.23 0.01 0.06 97.12 Average: all 2.46 0.00 0.39 0.06 0.04 97.05 Average: 0 2.28 0.00 0.36 0.08 0.04 97.25 Average: 1 2.64 0.00 0.42 0.04 0.04 96.85