---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38801 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 8.1G 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 897 4889 4 2449 7044 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:8e:65:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.249/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78703sec preferred_lft 78703sec inet6 fe80::f816:3eff:fe8e:654e/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-38801) 07/26/26 _x86_64_ (2 CPU) 00:16:56 LINUX RESTART (2 CPU) 00:20:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:05 10.01 1.43 7.54 1.05 115.32 1111.87 275.48 00:40:11 1.29 0.01 1.28 0.00 0.05 34.82 0.12 00:50:11 1.19 0.00 1.19 0.00 0.00 52.19 0.00 01:00:11 15.58 0.25 1.82 13.50 31.12 98.01 106428.15 01:10:11 1.29 0.00 1.29 0.00 0.00 36.47 0.00 01:20:05 1.28 0.00 1.28 0.00 0.00 34.62 0.36 01:30:11 1.50 0.00 1.49 0.01 0.00 34.88 0.58 01:40:11 1.26 0.00 1.26 0.00 0.00 31.37 0.00 01:50:11 1.42 0.00 1.42 0.00 0.00 28.33 0.36 02:00:11 1.57 0.00 1.56 0.01 0.00 35.21 0.24 02:10:11 1.39 0.00 1.39 0.00 0.00 33.63 0.36 02:20:11 1.24 0.00 1.24 0.00 0.00 31.16 0.00 Average: 3.25 0.14 1.90 1.21 12.20 130.13 8884.38 00:20:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:05 5217780 7409480 357532 4.40 86924 2264612 641712 6.99 586676 2036408 260 00:40:11 5212504 7410544 356252 4.38 87052 2270812 643396 7.01 588064 2042748 280 00:50:11 5188060 7397796 368952 4.54 87164 2282388 655212 7.14 600468 2054444 300 01:00:11 5119928 7362676 403476 4.96 87444 2314820 863844 9.41 615000 2078364 652 01:10:11 5122556 7371764 394248 4.85 87584 2321056 855620 9.32 615016 2084740 332 01:20:05 5119188 7374512 391424 4.81 87740 2326940 855620 9.32 615380 2090644 356 01:30:11 5117584 7378512 387352 4.76 87884 2332304 863896 9.41 615260 2096160 204 01:40:11 5111036 7377256 388524 4.78 88012 2337400 863896 9.41 615444 2101380 204 01:50:11 5109540 7379732 386012 4.75 88116 2341212 855736 9.32 615588 2105300 280 02:00:11 5102024 7377568 387972 4.77 88268 2346328 855868 9.32 615648 2110560 168 02:10:11 5099668 7381108 384336 4.73 88408 2352008 855984 9.32 615972 2116252 296 02:20:11 5092900 7379492 385872 4.74 88564 2356928 855992 9.32 615864 2121336 340 Average: 5134397 7383370 382663 4.71 87763 2320567 805565 8.77 609532 2086528 306 00:20:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:05 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 00:30:05 ens3 79.16 56.27 49.40 12.35 0.00 0.00 0.00 0.00 00:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:11 ens3 15.17 13.30 3.37 1.72 0.00 0.00 0.00 0.00 00:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:11 ens3 15.06 13.25 3.00 1.77 0.00 0.00 0.00 0.00 01:00:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 17.10 14.99 6.62 2.39 0.00 0.00 0.00 0.00 01:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 8.70 7.82 1.65 0.97 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 13.94 12.28 3.02 1.75 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 14.44 10.94 2.91 1.56 0.00 0.00 0.00 0.00 01:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:11 ens3 9.74 8.61 2.06 1.21 0.00 0.00 0.00 0.00 01:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:11 ens3 6.02 5.03 1.52 0.96 0.00 0.00 0.00 0.00 02:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:11 ens3 8.95 7.67 2.16 1.33 0.00 0.00 0.00 0.00 02:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 14.91 14.08 3.08 1.75 0.00 0.00 0.00 0.00 02:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:11 ens3 15.24 14.29 3.12 1.74 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 18.20 14.88 6.82 2.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38801) 07/26/26 _x86_64_ (2 CPU) 00:16:56 LINUX RESTART (2 CPU) 00:20:05 CPU %user %nice %system %iowait %steal %idle 00:30:05 all 7.61 0.00 1.21 0.19 0.06 90.93 00:30:05 0 7.17 0.00 1.09 0.07 0.05 91.62 00:30:05 1 8.05 0.00 1.33 0.30 0.07 90.24 00:40:11 all 3.70 0.00 0.44 0.01 0.06 95.79 00:40:11 0 3.15 0.00 0.44 0.01 0.06 96.34 00:40:11 1 4.25 0.00 0.44 0.01 0.05 95.25 00:50:11 all 5.62 0.00 0.61 0.01 0.06 93.70 00:50:11 0 2.58 0.00 0.38 0.01 0.05 96.98 00:50:11 1 8.67 0.00 0.85 0.01 0.06 90.41 01:00:11 all 4.30 0.00 0.60 0.10 0.06 94.95 01:00:11 0 5.00 0.00 0.62 0.07 0.06 94.25 01:00:11 1 3.60 0.00 0.57 0.12 0.06 95.65 01:10:11 all 2.88 0.00 0.34 0.01 0.05 96.72 01:10:11 0 0.74 0.00 0.16 0.01 0.04 99.05 01:10:11 1 5.01 0.00 0.53 0.01 0.06 94.40 01:20:05 all 3.54 0.00 0.40 0.01 0.05 96.00 01:20:05 0 3.43 0.00 0.35 0.01 0.04 96.16 01:20:05 1 3.65 0.00 0.44 0.01 0.06 95.84 01:30:11 all 3.02 0.00 0.47 0.01 0.05 96.45 01:30:11 0 2.57 0.00 0.40 0.01 0.05 96.97 01:30:11 1 3.47 0.00 0.53 0.00 0.06 95.93 01:40:11 all 2.74 0.00 0.33 0.01 0.05 96.88 01:40:11 0 3.18 0.00 0.41 0.01 0.06 96.34 01:40:11 1 2.30 0.00 0.24 0.01 0.03 97.42 01:50:11 all 2.64 0.00 0.31 0.01 0.05 96.99 01:50:11 0 2.49 0.00 0.31 0.01 0.06 97.13 01:50:11 1 2.79 0.00 0.31 0.01 0.05 96.85 02:00:11 all 3.32 0.00 0.45 0.01 0.05 96.17 02:00:11 0 2.76 0.00 0.41 0.01 0.05 96.76 02:00:11 1 3.88 0.00 0.49 0.01 0.05 95.57 02:10:11 all 3.46 0.00 0.41 0.01 0.05 96.07 02:10:11 0 3.97 0.00 0.43 0.00 0.05 95.55 02:10:11 1 2.96 0.00 0.38 0.02 0.05 96.59 02:10:11 CPU %user %nice %system %iowait %steal %idle 02:20:11 all 3.35 0.00 0.39 0.01 0.05 96.20 02:20:11 0 2.80 0.00 0.34 0.01 0.05 96.80 02:20:11 1 3.90 0.00 0.44 0.01 0.06 95.60 Average: all 3.85 0.00 0.50 0.03 0.05 95.57 Average: 0 3.32 0.00 0.45 0.02 0.05 96.16 Average: 1 4.38 0.00 0.55 0.04 0.05 94.98