---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8758 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 803 5031 4 2401 7138 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:4f:7c:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.164/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79882sec preferred_lft 79882sec inet6 fe80::f816:3eff:fe4f:7c2a/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-8758) 09/17/26 _x86_64_ (2 CPU) 00:36:36 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.37 0.02 1.34 0.00 1.24 16.82 0.08 01:00:06 23.02 2.80 18.14 2.08 221.29 2832.07 1493.52 01:10:01 3.72 0.01 3.54 0.16 1.09 721.89 7.09 01:20:01 1.22 0.00 1.20 0.02 0.01 22.74 1.21 01:30:06 2.11 0.32 1.75 0.04 42.69 219.98 1.59 01:40:01 1.21 0.00 1.19 0.02 0.00 16.30 1.21 01:50:01 15.42 0.00 1.28 14.14 0.15 17.30 106109.63 02:00:16 1.46 0.00 1.45 0.01 0.00 23.41 393.15 02:10:01 1.23 0.00 1.23 0.00 0.00 29.22 0.00 02:20:01 1.34 0.00 1.34 0.00 0.00 24.79 0.00 Average: 5.23 0.32 3.26 1.65 26.87 394.30 10806.32 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6301380 7553620 266624 3.28 30640 1428196 531040 5.78 451052 1188428 276 01:00:06 5168236 7369432 397040 4.88 87252 2274452 646376 7.04 603132 2046048 199768 01:10:01 5113084 7315492 451400 5.55 87904 2275424 710920 7.74 640216 2047548 176 01:20:01 5104468 7309368 457504 5.63 88076 2277740 719336 7.83 640780 2050040 312 01:30:06 5028416 7307296 458520 5.64 88552 2350644 932388 10.16 677276 2113208 232 01:40:01 5027924 7307620 458172 5.63 88732 2351276 932388 10.16 677444 2114012 316 01:50:01 5033752 7314264 451496 5.55 88848 2351948 932520 10.16 677396 2114780 288 02:00:16 5068580 7350592 414984 5.10 88948 2353336 899096 9.79 635972 2116248 224 02:10:01 5032096 7318656 446936 5.50 89048 2357708 918380 10.00 663500 2120732 420 02:20:01 5029760 7319244 446248 5.49 89180 2360516 923524 10.06 668232 2123496 356 Average: 5190770 7346558 424892 5.22 82718 2238124 814597 8.87 633500 2003454 20237 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 0.93 0.10 0.13 0.05 0.00 0.00 0.00 0.00 01:00:06 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 01:00:06 ens3 56.05 40.14 317.55 7.92 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 39.34 30.00 308.22 5.79 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 9.28 8.48 61.56 1.15 0.00 0.00 0.00 0.00 01:30:06 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 3.46 2.54 39.71 0.25 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 2.90 1.72 0.37 0.24 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 2.52 1.69 0.32 0.22 0.00 0.00 0.00 0.00 02:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:16 ens3 8.56 7.87 117.25 0.95 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 8.09 7.33 30.72 1.22 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 4.29 3.79 1.05 1.04 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 13.55 10.37 87.92 1.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8758) 09/17/26 _x86_64_ (2 CPU) 00:36:36 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.30 0.00 0.12 0.01 0.01 99.57 00:50:01 0 0.38 0.00 0.10 0.02 0.01 99.49 00:50:01 1 0.21 0.00 0.13 0.00 0.01 99.65 01:00:06 all 11.22 0.00 1.97 0.53 0.02 86.26 01:00:06 0 9.61 0.00 1.84 0.61 0.02 87.92 01:00:06 1 12.83 0.00 2.10 0.45 0.02 84.60 01:10:01 all 1.89 0.00 0.53 0.03 0.03 97.52 01:10:01 0 2.02 0.00 0.47 0.04 0.03 97.45 01:10:01 1 1.76 0.00 0.59 0.02 0.03 97.60 01:20:01 all 1.00 0.00 0.29 0.01 0.02 98.68 01:20:01 0 0.98 0.00 0.26 0.02 0.02 98.73 01:20:01 1 1.01 0.00 0.32 0.01 0.02 98.64 01:30:06 all 1.48 0.00 0.40 0.03 0.03 98.06 01:30:06 0 0.81 0.00 0.31 0.02 0.01 98.85 01:30:06 1 2.25 0.00 0.51 0.03 0.05 97.16 01:40:01 all 0.55 0.00 0.18 0.01 0.01 99.26 01:40:01 0 0.59 0.00 0.10 0.01 0.01 99.29 01:40:01 1 0.50 0.00 0.25 0.01 0.01 99.23 01:50:01 all 0.51 0.00 0.19 0.04 0.01 99.25 01:50:01 0 0.51 0.00 0.15 0.07 0.01 99.27 01:50:01 1 0.51 0.00 0.24 0.01 0.01 99.23 02:00:16 all 0.77 0.00 0.37 0.01 0.01 98.85 02:00:16 0 0.94 0.00 0.40 0.01 0.01 98.64 02:00:16 1 0.59 0.00 0.34 0.01 0.01 99.05 02:10:01 all 2.59 0.00 0.46 0.01 0.01 96.92 02:10:01 0 2.89 0.00 0.49 0.01 0.02 96.59 02:10:01 1 2.30 0.00 0.42 0.01 0.01 97.26 02:20:01 all 2.27 0.00 0.34 0.01 0.01 97.37 02:20:01 0 2.42 0.00 0.32 0.01 0.01 97.24 02:20:01 1 2.12 0.00 0.35 0.02 0.01 97.50 Average: all 2.27 0.00 0.49 0.07 0.02 97.16 Average: 0 2.12 0.00 0.45 0.08 0.01 97.34 Average: 1 2.43 0.00 0.53 0.06 0.02 96.97