---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-59150 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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: 5600.02 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 792 5028 4 2415 7149 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:b2:71:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79055sec preferred_lft 79055sec inet6 fe80::f816:3eff:feb2:7123/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-59150) 09/27/26 _x86_64_ (2 CPU) 00:01:36 LINUX RESTART (2 CPU) 00:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:22 14.13 0.01 1.25 12.87 0.21 16.17 106377.71 00:30:01 1.35 0.00 1.34 0.02 0.00 16.72 441.87 00:40:16 26.43 2.77 21.47 2.18 218.79 3456.03 773.15 00:50:22 2.02 0.32 1.69 0.01 42.67 112.18 0.22 01:00:01 1.48 0.00 1.46 0.02 0.00 22.68 0.26 01:10:22 1.38 0.00 1.37 0.01 0.00 125.93 1.78 01:20:16 1.31 0.00 1.29 0.02 0.00 17.77 2.79 01:30:01 1.53 0.00 1.50 0.03 0.00 20.40 2.45 01:40:06 1.25 0.00 1.23 0.02 0.00 25.10 388.99 01:50:22 1.33 0.00 1.31 0.02 0.19 50.57 2.79 02:00:01 1.52 0.00 1.49 0.04 0.00 23.83 3.20 Average: 4.97 0.29 3.26 1.42 24.35 361.74 10087.42 00:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:22 6286108 7537924 282004 3.47 30752 1427824 526092 5.73 436380 1188924 192 00:30:01 6282616 7534932 284956 3.50 30912 1428152 526248 5.73 436336 1189412 272 00:40:16 5029192 7235916 530368 6.52 87700 2279980 662556 7.22 607104 2052644 240 00:50:22 5080572 7328408 437432 5.38 88128 2320576 884256 9.63 636816 2083528 196 01:00:01 5082296 7331984 433616 5.33 88260 2322260 884304 9.63 637060 2085224 280 01:10:22 5042428 7326952 438172 5.39 88436 2356444 903796 9.84 655872 2119584 152 01:20:16 5048000 7333464 431656 5.31 88608 2357204 903860 9.84 656216 2120380 144 01:30:01 5045188 7331448 433612 5.33 88764 2357828 903860 9.84 656080 2121152 264 01:40:06 5068928 7358092 406948 5.00 88928 2360508 861256 9.38 613148 2124012 232 01:50:22 5039496 7339664 425176 5.23 89064 2371228 864444 9.42 616508 2134868 132 02:00:01 4934328 7236740 527916 6.49 89236 2373280 892232 9.72 644588 2136932 568 Average: 5267196 7354139 421078 5.18 78072 2177753 801173 8.73 599646 1941515 243 00:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:20:22 ens3 0.54 0.09 0.09 0.04 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.57 0.08 0.10 0.06 0.00 0.00 0.00 0.00 00:40:16 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:16 ens3 85.02 61.07 417.43 13.01 0.00 0.00 0.00 0.00 00:50:22 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:22 ens3 14.54 12.42 225.10 1.27 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 6.33 5.13 34.53 0.72 0.00 0.00 0.00 0.00 01:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:22 ens3 5.02 2.62 35.93 0.43 0.00 0.00 0.00 0.00 01:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:16 ens3 3.75 1.82 0.56 0.33 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 3.54 1.80 0.51 0.31 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 10.23 9.35 119.60 1.30 0.00 0.00 0.00 0.00 01:50:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:22 ens3 14.94 14.42 206.37 1.55 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 13.13 12.77 173.68 1.15 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 14.53 11.19 111.60 1.86 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-59150) 09/27/26 _x86_64_ (2 CPU) 00:01:36 LINUX RESTART (2 CPU) 00:10:05 CPU %user %nice %system %iowait %steal %idle 00:20:22 all 0.28 0.00 0.11 0.04 0.00 99.57 00:20:22 0 0.46 0.00 0.11 0.07 0.00 99.36 00:20:22 1 0.10 0.00 0.12 0.01 0.00 99.77 00:30:01 all 0.28 0.00 0.17 0.01 0.00 99.54 00:30:01 0 0.48 0.00 0.13 0.02 0.00 99.37 00:30:01 1 0.07 0.00 0.21 0.00 0.00 99.71 00:40:16 all 11.62 0.00 2.01 0.61 0.01 85.75 00:40:16 0 10.08 0.00 1.85 0.38 0.01 87.68 00:40:16 1 13.16 0.00 2.18 0.83 0.01 83.81 00:50:22 all 0.99 0.00 0.32 0.02 0.01 98.66 00:50:22 0 0.80 0.00 0.22 0.02 0.00 98.95 00:50:22 1 1.19 0.00 0.41 0.02 0.01 98.37 01:00:01 all 0.75 0.00 0.29 0.01 0.01 98.94 01:00:01 0 0.53 0.00 0.27 0.01 0.01 99.18 01:00:01 1 0.99 0.00 0.30 0.01 0.01 98.68 01:10:22 all 0.64 0.00 0.16 0.01 0.01 99.17 01:10:22 0 0.57 0.00 0.12 0.01 0.00 99.30 01:10:22 1 0.73 0.00 0.21 0.02 0.02 99.02 01:20:16 all 0.51 0.00 0.16 0.01 0.01 99.32 01:20:16 0 0.49 0.00 0.11 0.01 0.00 99.38 01:20:16 1 0.53 0.00 0.21 0.01 0.01 99.25 01:30:01 all 0.53 0.00 0.25 0.01 0.00 99.20 01:30:01 0 0.51 0.00 0.21 0.01 0.00 99.26 01:30:01 1 0.56 0.00 0.28 0.01 0.01 99.14 01:40:06 all 0.98 0.00 0.25 0.01 0.00 98.76 01:40:06 0 1.33 0.00 0.33 0.01 0.01 98.33 01:40:06 1 0.63 0.00 0.16 0.01 0.00 99.19 01:50:22 all 1.49 0.00 0.34 0.01 0.01 98.16 01:50:22 0 2.17 0.00 0.40 0.02 0.01 97.40 01:50:22 1 0.80 0.00 0.28 0.00 0.00 98.92 02:00:01 all 0.86 0.00 0.35 0.01 0.01 98.78 02:00:01 0 0.66 0.00 0.27 0.02 0.00 99.04 02:00:01 1 1.05 0.00 0.42 0.00 0.01 98.52 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.76 0.00 0.41 0.07 0.01 97.76 Average: 0 1.67 0.00 0.37 0.06 0.00 97.90 Average: 1 1.85 0.00 0.44 0.09 0.01 97.61