---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9414 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 752 5071 4 2412 7189 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:3d:68:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.190/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80011sec preferred_lft 80011sec inet6 fe80::f816:3eff:fe3d:684d/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-9414) 09/19/26 _x86_64_ (2 CPU) 00:41:17 LINUX RESTART (2 CPU) 00:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 26.70 3.16 21.16 2.37 266.68 3514.85 998.09 01:10:08 15.79 0.01 1.57 14.21 0.72 153.90 106263.80 01:20:08 1.46 0.00 1.45 0.01 0.01 24.52 0.24 01:30:08 1.37 0.00 1.35 0.01 0.00 17.28 0.47 01:40:01 1.42 0.00 1.42 0.00 0.00 131.97 0.12 01:50:08 1.47 0.00 1.46 0.00 0.11 18.84 0.04 02:00:08 1.65 0.00 1.63 0.02 0.00 24.03 340.36 02:10:01 1.27 0.01 1.26 0.00 0.20 59.90 0.27 02:20:08 1.41 0.00 1.40 0.01 0.00 22.75 0.21 Average: 5.84 0.35 3.64 1.85 29.75 440.69 11955.74 00:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 5203560 7430224 335704 4.13 88068 2299136 757572 8.25 550140 2061764 26116 01:10:08 5129164 7367004 398788 4.90 88240 2310232 850896 9.27 606720 2072988 724 01:20:08 5106240 7346052 419756 5.16 88372 2312060 877276 9.56 633660 2074964 132 01:30:08 5056388 7330096 435484 5.35 88516 2345672 896920 9.77 651560 2108584 33328 01:40:01 5071144 7346376 419224 5.15 88640 2347048 897188 9.77 651752 2110092 240 01:50:08 5060196 7336216 429360 5.28 88748 2347716 897300 9.77 652192 2110868 200 02:00:08 5064892 7342176 423360 5.21 88852 2348860 894560 9.74 638380 2112112 132 02:10:01 5038728 7329880 435460 5.35 88988 2362424 873492 9.51 625716 2125800 284 02:20:08 5020432 7313888 451392 5.55 89108 2364556 890292 9.70 642924 2127940 196 Average: 5083416 7349101 416503 5.12 88615 2337523 870611 9.48 628116 2100568 6817 00:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:08 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 01:00:08 ens3 74.00 51.87 327.68 11.82 0.00 0.00 0.00 0.00 01:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 23.81 20.28 300.88 2.30 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 7.59 6.84 61.30 0.87 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 2.37 1.69 36.16 0.16 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 3.41 2.25 1.03 0.28 0.00 0.00 0.00 0.00 01:50:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:08 ens3 2.85 1.82 0.46 0.30 0.00 0.00 0.00 0.00 02:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 5.08 4.27 36.78 0.72 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 14.14 13.67 193.05 1.76 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 13.11 12.96 247.64 1.14 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 16.26 12.85 133.96 2.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9414) 09/19/26 _x86_64_ (2 CPU) 00:41:17 LINUX RESTART (2 CPU) 00:50:08 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 12.35 0.00 2.21 0.78 0.02 84.63 01:00:08 0 14.32 0.00 2.16 0.99 0.03 82.50 01:00:08 1 10.38 0.00 2.26 0.57 0.02 86.76 01:10:08 all 1.48 0.00 0.45 0.05 0.03 97.99 01:10:08 0 1.51 0.00 0.59 0.08 0.04 97.79 01:10:08 1 1.46 0.00 0.31 0.02 0.02 98.20 01:20:08 all 0.96 0.00 0.27 0.01 0.02 98.75 01:20:08 0 0.61 0.00 0.17 0.01 0.01 99.20 01:20:08 1 1.32 0.00 0.37 0.01 0.02 98.28 01:30:08 all 2.12 0.00 0.55 0.01 0.02 97.29 01:30:08 0 3.29 0.00 0.80 0.00 0.03 95.88 01:30:08 1 1.09 0.00 0.34 0.01 0.02 98.54 01:40:01 all 0.59 0.00 0.19 0.01 0.02 99.20 01:40:01 0 0.57 0.00 0.16 0.02 0.01 99.24 01:40:01 1 0.61 0.00 0.21 0.01 0.02 99.15 01:50:08 all 0.56 0.00 0.19 0.01 0.02 99.22 01:50:08 0 0.56 0.00 0.14 0.02 0.01 99.28 01:50:08 1 0.56 0.00 0.24 0.00 0.02 99.17 02:00:08 all 0.78 0.00 0.33 0.01 0.02 98.86 02:00:08 0 0.63 0.00 0.32 0.01 0.02 99.01 02:00:08 1 0.93 0.00 0.34 0.01 0.02 98.70 02:10:01 all 1.85 0.00 0.43 0.01 0.02 97.68 02:10:01 0 1.17 0.00 0.37 0.01 0.02 98.42 02:10:01 1 2.54 0.00 0.50 0.01 0.02 96.94 02:20:08 all 0.90 0.00 0.38 0.01 0.01 98.69 02:20:08 0 0.90 0.00 0.28 0.02 0.01 98.79 02:20:08 1 0.91 0.00 0.48 0.00 0.02 98.59 Average: all 2.41 0.00 0.56 0.10 0.02 96.91 Average: 0 2.61 0.00 0.55 0.13 0.02 96.69 Average: 1 2.21 0.00 0.56 0.07 0.02 97.14