---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-57838 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 5048 4 2419 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:14:7a:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80187sec preferred_lft 80187sec inet6 fe80::f816:3eff:fe14:7a5a/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-57838) 09/24/26 _x86_64_ (2 CPU) 00:42:55 LINUX RESTART (2 CPU) 00:50:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:32 27.07 2.85 21.92 2.30 224.20 3523.36 1318.84 01:10:01 1.43 0.00 1.43 0.00 0.10 58.70 0.03 01:20:22 1.24 0.00 1.23 0.00 0.01 21.03 0.05 01:30:32 1.69 0.00 1.67 0.02 0.00 131.62 3.48 01:40:01 16.89 0.34 1.62 14.92 45.64 112.87 112059.84 01:50:32 1.17 0.00 1.17 0.00 0.00 16.42 0.00 02:00:22 1.54 0.00 1.51 0.02 0.00 24.60 402.91 02:10:52 1.30 0.00 1.29 0.01 0.19 53.59 0.19 02:20:12 1.42 0.00 1.39 0.03 0.00 22.83 0.30 Average: 5.89 0.36 3.70 1.84 29.86 441.70 12027.16 00:50:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:32 5210044 7408364 358420 4.41 87524 2271608 634316 6.91 589304 2043720 2920 01:10:01 5115292 7322604 444168 5.46 87648 2280536 680872 7.42 627308 2052744 276 01:20:22 5122608 7331904 434908 5.35 87772 2282368 680976 7.42 627640 2054728 168 01:30:32 5083884 7327892 438640 5.39 87912 2316784 691696 7.53 636380 2089148 156 01:40:01 5026456 7310556 454884 5.59 88348 2355968 893632 9.73 654752 2118648 356 01:50:32 5050028 7334968 430436 5.29 88508 2356620 893640 9.73 654644 2119476 204 02:00:22 5064044 7350524 414796 5.10 88660 2357964 868928 9.46 621236 2120972 192 02:10:52 4973436 7272292 492896 6.06 88800 2370040 925320 10.08 686088 2133188 124 02:20:12 5002548 7303468 461684 5.68 88980 2371896 891836 9.71 652740 2135096 172 Average: 5072038 7329175 436759 5.37 88239 2329309 795691 8.67 638899 2096413 508 00:50:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:32 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:00:32 ens3 79.41 55.63 326.76 12.35 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 20.71 17.69 316.22 1.88 0.00 0.00 0.00 0.00 01:20:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:22 ens3 7.66 6.97 59.17 0.81 0.00 0.00 0.00 0.00 01:30:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:32 ens3 3.33 2.64 36.29 0.27 0.00 0.00 0.00 0.00 01:40:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 3.23 1.98 3.87 0.29 0.00 0.00 0.00 0.00 01:50:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:32 ens3 2.53 1.69 0.32 0.22 0.00 0.00 0.00 0.00 02:00:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:22 ens3 8.60 7.95 122.16 0.94 0.00 0.00 0.00 0.00 02:10:52 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:52 ens3 16.03 15.63 203.87 1.86 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 9.50 9.27 149.70 0.91 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 16.76 13.25 134.12 2.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57838) 09/24/26 _x86_64_ (2 CPU) 00:42:55 LINUX RESTART (2 CPU) 00:50:32 CPU %user %nice %system %iowait %steal %idle 01:00:32 all 11.80 0.00 2.17 0.83 0.01 85.19 01:00:32 0 10.99 0.00 2.03 0.86 0.01 86.11 01:00:32 1 12.61 0.00 2.31 0.80 0.01 84.27 01:10:01 all 1.15 0.00 0.36 0.03 0.00 98.46 01:10:01 0 1.18 0.00 0.42 0.02 0.01 98.38 01:10:01 1 1.13 0.00 0.30 0.03 0.00 98.54 01:20:22 all 0.80 0.00 0.24 0.01 0.02 98.93 01:20:22 0 0.79 0.00 0.25 0.01 0.01 98.93 01:20:22 1 0.81 0.00 0.22 0.02 0.02 98.93 01:30:32 all 0.74 0.00 0.28 0.03 0.02 98.93 01:30:32 0 0.65 0.00 0.26 0.04 0.01 99.04 01:30:32 1 0.85 0.00 0.30 0.02 0.02 98.81 01:40:01 all 0.69 0.00 0.23 0.08 0.00 98.99 01:40:01 0 0.82 0.00 0.33 0.14 0.00 98.71 01:40:01 1 0.57 0.00 0.14 0.02 0.00 99.27 01:50:32 all 0.50 0.00 0.18 0.02 0.00 99.30 01:50:32 0 0.47 0.00 0.22 0.02 0.01 99.28 01:50:32 1 0.53 0.00 0.13 0.03 0.00 99.31 02:00:22 all 0.78 0.00 0.33 0.02 0.01 98.87 02:00:22 0 0.52 0.00 0.28 0.03 0.01 99.17 02:00:22 1 1.03 0.00 0.38 0.01 0.01 98.57 02:10:52 all 1.66 0.00 0.37 0.01 0.00 97.95 02:10:52 0 1.04 0.00 0.25 0.02 0.00 98.68 02:10:52 1 2.28 0.00 0.48 0.01 0.00 97.22 02:20:12 all 0.78 0.00 0.26 0.02 0.00 98.94 02:20:12 0 0.85 0.00 0.22 0.01 0.00 98.91 02:20:12 1 0.72 0.00 0.30 0.02 0.00 98.96 Average: all 2.13 0.00 0.49 0.12 0.01 97.25 Average: 0 1.93 0.00 0.48 0.13 0.01 97.46 Average: 1 2.32 0.00 0.51 0.11 0.01 97.05