---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3613 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 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 nrip_save 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 8.0G 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 776 5101 4 2356 7164 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:c5:37:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81349sec preferred_lft 81349sec inet6 fe80::f816:3eff:fec5:37b8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3613) 08/09/26 _x86_64_ (2 CPU) 00:09:06 LINUX RESTART (2 CPU) 00:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 1.72 0.03 1.68 0.02 1.27 40.40 218.47 00:30:01 1.42 0.01 1.40 0.01 0.05 17.56 429.00 00:40:07 25.48 2.80 20.39 2.28 222.04 3394.50 800.87 00:50:01 15.65 0.00 1.35 14.29 0.15 22.86 107666.16 01:00:00 2.52 0.71 1.77 0.04 95.21 82.83 58.12 01:10:07 1.49 0.00 1.46 0.03 0.00 136.46 400.21 01:20:07 1.40 0.00 1.39 0.01 0.00 30.43 0.44 01:30:00 1.70 0.00 1.67 0.03 0.00 26.43 5.79 Average: 6.44 0.45 3.92 2.07 40.17 474.00 13563.69 00:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 6277368 7527596 293460 3.61 30952 1425200 529872 5.77 444896 1188004 296 00:30:01 6276824 7527592 293332 3.61 31148 1425532 530032 5.77 445812 1188532 236 00:40:07 5154588 7333120 434804 5.35 86180 2252972 671764 7.32 617224 2025496 188 00:50:01 5160196 7340960 426964 5.25 86364 2255020 664300 7.24 602812 2027704 240 01:00:00 5136608 7348020 419352 5.16 86784 2285096 682828 7.44 631656 2047444 160 01:10:07 5086704 7334896 432176 5.31 87000 2321288 671360 7.31 618672 2083852 168 01:20:07 5084492 7337220 429788 5.28 87120 2325644 674512 7.35 621588 2088328 140 01:30:00 5038728 7293620 472808 5.81 87260 2327616 745944 8.12 659752 2090436 124 Average: 5401938 7380378 400336 4.92 72851 2077296 646326 7.04 580302 1842474 194 00:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:20:01 ens3 1.90 0.09 0.25 0.04 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.64 0.16 0.18 0.11 0.00 0.00 0.00 0.00 00:40:07 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:07 ens3 73.92 49.74 342.74 12.42 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 22.17 18.91 226.58 1.66 0.00 0.00 0.00 0.00 01:00:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 7.48 6.63 36.50 0.76 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 14.82 13.41 155.37 1.54 0.00 0.00 0.00 0.00 01:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:07 ens3 19.11 16.79 142.00 1.75 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 19.74 16.48 170.30 1.42 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 20.05 15.33 134.52 2.48 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3613) 08/09/26 _x86_64_ (2 CPU) 00:09:06 LINUX RESTART (2 CPU) 00:10:07 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 0.32 0.00 0.11 0.02 0.03 99.51 00:20:01 0 0.30 0.00 0.11 0.01 0.03 99.55 00:20:01 1 0.35 0.00 0.12 0.02 0.04 99.48 00:30:01 all 0.27 0.00 0.16 0.02 0.04 99.51 00:30:01 0 0.11 0.00 0.17 0.00 0.04 99.67 00:30:01 1 0.42 0.00 0.16 0.03 0.04 99.35 00:40:07 all 11.81 0.00 1.80 0.49 0.07 85.84 00:40:07 0 13.63 0.00 1.88 0.49 0.06 83.93 00:40:07 1 9.98 0.00 1.72 0.48 0.07 87.76 00:50:01 all 0.91 0.00 0.29 0.03 0.08 98.69 00:50:01 0 0.99 0.00 0.27 0.00 0.09 98.65 00:50:01 1 0.84 0.00 0.30 0.06 0.08 98.72 01:00:00 all 1.46 0.00 0.40 0.03 0.07 98.04 01:00:00 0 0.87 0.00 0.30 0.04 0.09 98.70 01:00:00 1 2.10 0.00 0.49 0.02 0.06 97.33 01:10:07 all 1.65 0.00 0.33 0.01 0.08 97.93 01:10:07 0 2.39 0.00 0.36 0.01 0.09 97.16 01:10:07 1 0.92 0.00 0.30 0.02 0.07 98.69 01:20:07 all 1.51 0.00 0.32 0.01 0.08 98.07 01:20:07 0 0.68 0.00 0.22 0.01 0.08 99.02 01:20:07 1 2.35 0.00 0.43 0.01 0.09 97.13 01:30:00 all 0.90 0.00 0.34 0.01 0.09 98.65 01:30:00 0 0.74 0.00 0.29 0.01 0.08 98.87 01:30:00 1 1.06 0.00 0.39 0.01 0.10 98.44 Average: all 2.38 0.00 0.47 0.08 0.07 97.00 Average: 0 2.49 0.00 0.45 0.07 0.07 96.92 Average: 1 2.27 0.00 0.49 0.08 0.07 97.09