---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-65996 6.8.0-146-generic #146-Ubuntu SMP PREEMPT_DYNAMIC Thu Sep 3 16:12:30 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: 5600.00 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 8.3G 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 864 4899 4 2479 7077 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:85:88:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.31/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80956sec preferred_lft 80956sec inet6 fe80::f816:3eff:fe85:8844/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-146-generic (prd-ubuntu2404-robot-2c-8g-65996) 10/20/26 _x86_64_ (2 CPU) 20:59:24 LINUX RESTART (2 CPU) 21:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 24.97 1.88 20.73 2.37 174.75 3513.73 646.23 21:20:28 1.53 0.01 1.51 0.01 0.06 24.06 0.13 21:30:01 17.07 0.00 1.90 15.17 0.15 25.79 110689.47 21:40:01 1.75 0.00 1.72 0.03 0.00 133.62 3.97 21:50:28 1.69 0.00 1.65 0.03 0.00 21.61 5.62 22:00:21 1.87 0.00 1.81 0.06 0.00 24.69 5.60 22:10:01 1.71 0.01 1.68 0.03 0.21 32.45 413.14 22:20:11 1.73 0.00 1.70 0.03 0.00 56.17 3.74 Average: 6.43 0.24 4.07 2.12 21.73 475.64 13321.62 21:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 4955924 7262544 496352 6.10 113492 2347900 1022240 11.13 721688 2125804 240 21:20:28 4902724 7211504 547128 6.73 113656 2349928 1058416 11.53 749648 2127964 244 21:30:01 4912392 7222516 536140 6.59 113796 2351092 1058500 11.53 749976 2129144 148 21:40:01 4866676 7211624 546832 6.72 113984 2385536 1077664 11.74 768728 2163776 136 21:50:28 4866676 7212496 545896 6.71 114204 2386224 1077696 11.74 768808 2164636 176 22:00:21 4907856 7254636 503732 6.19 114400 2386944 1059388 11.54 749580 2165584 124 22:10:01 4859700 7210896 547440 6.73 114576 2391112 1063552 11.58 754740 2169828 952 22:20:11 4844448 7207116 551048 6.78 114748 2402256 1069128 11.64 759632 2181132 664 Average: 4889550 7224166 534321 6.57 114107 2375124 1060823 11.55 752850 2153484 336 21:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 1.39 1.39 0.09 0.09 0.00 0.00 0.00 0.00 21:10:01 ens3 67.90 49.56 460.47 8.74 0.00 0.00 0.00 0.00 21:20:28 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 21:20:28 ens3 11.49 10.87 160.56 1.00 0.00 0.00 0.00 0.00 21:30:01 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 21:30:01 ens3 3.16 2.81 5.39 0.55 0.00 0.00 0.00 0.00 21:40:01 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 21:40:01 ens3 4.68 3.68 37.01 0.41 0.00 0.00 0.00 0.00 21:50:28 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 21:50:28 ens3 2.56 1.74 0.36 0.25 0.00 0.00 0.00 0.00 22:00:21 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 22:00:21 ens3 3.34 2.62 8.77 0.29 0.00 0.00 0.00 0.00 22:10:01 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 22:10:01 ens3 11.17 10.84 145.49 1.49 0.00 0.00 0.00 0.00 22:20:11 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 22:20:11 ens3 18.15 17.90 294.39 1.90 0.00 0.00 0.00 0.00 Average: lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.28 12.49 139.37 1.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-146-generic (prd-ubuntu2404-robot-2c-8g-65996) 10/20/26 _x86_64_ (2 CPU) 20:59:24 LINUX RESTART (2 CPU) 21:00:05 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 11.37 0.00 2.01 0.62 0.02 85.98 21:10:01 0 5.48 0.00 1.87 0.65 0.01 91.98 21:10:01 1 17.26 0.00 2.15 0.59 0.03 79.98 21:20:28 all 0.81 0.00 0.26 0.01 0.01 98.91 21:20:28 0 0.56 0.00 0.14 0.02 0.00 99.28 21:20:28 1 1.06 0.00 0.39 0.00 0.01 98.54 21:30:01 all 0.81 0.00 0.28 0.05 0.04 98.82 21:30:01 0 0.75 0.00 0.28 0.02 0.02 98.94 21:30:01 1 0.88 0.00 0.28 0.09 0.06 98.69 21:40:01 all 0.57 0.00 0.16 0.01 0.01 99.24 21:40:01 0 0.56 0.00 0.20 0.02 0.01 99.22 21:40:01 1 0.58 0.00 0.12 0.01 0.02 99.27 21:50:28 all 0.51 0.00 0.15 0.01 0.01 99.32 21:50:28 0 0.59 0.00 0.13 0.01 0.01 99.26 21:50:28 1 0.44 0.00 0.17 0.02 0.00 99.37 22:00:21 all 0.58 0.00 0.25 0.01 0.01 99.16 22:00:21 0 0.62 0.00 0.25 0.02 0.00 99.11 22:00:21 1 0.54 0.00 0.24 0.01 0.01 99.20 22:10:01 all 1.34 0.00 0.29 0.01 0.01 98.36 22:10:01 0 0.98 0.00 0.31 0.01 0.01 98.69 22:10:01 1 1.69 0.00 0.26 0.01 0.01 98.03 22:20:11 all 1.30 0.00 0.38 0.01 0.01 98.30 22:20:11 0 0.64 0.00 0.22 0.01 0.00 99.12 22:20:11 1 1.97 0.00 0.54 0.01 0.01 97.47 Average: all 2.17 0.00 0.47 0.09 0.01 97.25 Average: 0 1.27 0.00 0.42 0.10 0.01 98.21 Average: 1 3.09 0.00 0.52 0.09 0.02 96.28