---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6956 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: 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 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 767 5064 4 2404 7174 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:dd:ce:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80089sec preferred_lft 80089sec inet6 fe80::f816:3eff:fedd:ce92/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6956) 09/11/26 _x86_64_ (2 CPU) 00:40:57 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:06 23.05 2.81 18.05 2.19 221.63 2828.71 772.07 01:10:20 4.25 0.33 3.87 0.04 43.18 761.84 3.08 01:20:01 1.21 0.00 1.21 0.01 0.01 22.49 0.41 01:30:10 1.53 0.00 1.51 0.02 0.00 129.09 1.27 01:40:20 1.42 0.00 1.37 0.05 0.00 18.48 6.69 01:50:01 1.42 0.00 1.38 0.04 0.00 18.36 6.59 02:00:06 1.70 0.00 1.63 0.07 0.00 25.21 405.34 02:10:10 15.59 0.01 1.44 14.14 0.34 63.58 105534.35 02:20:01 1.32 0.00 1.31 0.01 0.00 20.90 0.14 Average: 5.76 0.35 3.56 1.85 29.80 437.00 11927.33 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:06 5197072 7380180 386468 4.75 87100 2257136 644156 7.02 613876 2029216 189056 01:10:20 5082228 7313780 452520 5.56 87580 2305136 876184 9.54 643116 2067492 652 01:20:01 5101380 7334912 431292 5.30 87728 2306964 876128 9.54 643008 2069436 208 01:30:10 5068240 7336856 428720 5.27 87892 2341356 885572 9.65 651740 2103888 216 01:40:20 5069012 7338524 427068 5.25 88128 2341992 885636 9.65 651924 2104768 176 01:50:01 5076360 7346692 418888 5.15 88320 2342612 885700 9.65 651888 2105576 276 02:00:06 5019400 7291284 474184 5.83 88500 2343964 914264 9.96 680072 2107104 168 02:10:10 4985940 7272492 492772 6.06 88648 2358272 916808 9.99 682912 2121540 164 02:20:01 5056524 7345148 420108 5.17 88752 2360212 883336 9.62 649644 2123584 500 Average: 5072906 7328874 436891 5.37 88072 2328627 863087 9.40 652020 2092512 21268 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:06 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:00:06 ens3 52.77 36.80 314.44 7.92 0.00 0.00 0.00 0.00 01:10:20 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:20 ens3 48.77 37.60 296.40 6.10 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 8.10 7.37 63.25 0.87 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 2.86 2.21 36.22 0.21 0.00 0.00 0.00 0.00 01:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:20 ens3 2.72 1.75 0.39 0.26 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 2.76 1.75 0.37 0.25 0.00 0.00 0.00 0.00 02:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:06 ens3 9.57 8.66 119.07 1.00 0.00 0.00 0.00 0.00 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 17.24 16.95 220.74 1.96 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 11.18 11.06 142.04 1.02 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 17.48 13.90 133.48 2.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6956) 09/11/26 _x86_64_ (2 CPU) 00:40:57 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:06 all 11.78 0.00 2.04 0.56 0.02 85.61 01:00:06 0 13.34 0.00 2.09 0.70 0.02 83.85 01:00:06 1 10.21 0.00 1.98 0.42 0.02 87.38 01:10:20 all 1.82 0.00 0.54 0.03 0.01 97.59 01:10:20 0 1.22 0.00 0.42 0.01 0.01 98.34 01:10:20 1 2.42 0.00 0.67 0.05 0.01 96.84 01:20:01 all 1.02 0.00 0.27 0.01 0.01 98.68 01:20:01 0 0.97 0.00 0.21 0.01 0.01 98.80 01:20:01 1 1.08 0.00 0.33 0.01 0.01 98.57 01:30:10 all 1.60 0.00 0.48 0.02 0.02 97.89 01:30:10 0 1.98 0.00 0.50 0.02 0.02 97.48 01:30:10 1 1.24 0.00 0.45 0.01 0.02 98.28 01:40:20 all 0.61 0.00 0.18 0.01 0.01 99.19 01:40:20 0 0.60 0.00 0.14 0.01 0.01 99.23 01:40:20 1 0.62 0.00 0.21 0.01 0.01 99.14 01:50:01 all 0.63 0.00 0.18 0.01 0.01 99.17 01:50:01 0 0.61 0.00 0.21 0.01 0.02 99.16 01:50:01 1 0.65 0.00 0.15 0.01 0.01 99.17 02:00:06 all 0.99 0.00 0.37 0.01 0.01 98.62 02:00:06 0 0.68 0.00 0.27 0.01 0.01 99.03 02:00:06 1 1.29 0.00 0.47 0.01 0.02 98.22 02:10:10 all 2.23 0.00 0.43 0.04 0.01 97.28 02:10:10 0 1.08 0.00 0.33 0.02 0.01 98.57 02:10:10 1 3.39 0.00 0.54 0.07 0.02 95.99 02:20:01 all 0.91 0.00 0.26 0.01 0.01 98.81 02:20:01 0 0.73 0.00 0.20 0.02 0.01 99.04 02:20:01 1 1.08 0.00 0.32 0.01 0.02 98.58 Average: all 2.43 0.00 0.53 0.08 0.01 96.95 Average: 0 2.38 0.00 0.49 0.09 0.01 97.02 Average: 1 2.47 0.00 0.57 0.07 0.01 96.88