---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60339 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: 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 8.0G 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 761 5171 4 2302 7180 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:9f:7b:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.68/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79986sec preferred_lft 79986sec inet6 fe80::f816:3eff:fe9f:7b1b/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-60339) 09/28/26 _x86_64_ (2 CPU) 01:05:23 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:05 1.42 0.03 1.40 0.00 1.24 16.94 5.69 01:30:05 1.63 0.01 1.59 0.03 0.05 20.01 242.39 01:40:01 1.34 0.00 1.32 0.02 0.00 15.82 0.54 01:50:05 1.93 0.33 1.58 0.03 43.16 104.61 15.40 02:00:05 14.74 0.00 1.50 13.24 0.15 18.75 109860.09 02:10:01 1.34 0.00 1.32 0.02 0.00 15.74 45.08 02:20:05 1.37 0.00 1.37 0.00 0.00 15.91 0.00 02:30:05 1.54 0.00 1.53 0.01 0.00 18.61 639.79 02:40:01 1.25 0.00 1.25 0.00 0.00 15.18 0.00 02:50:05 27.17 2.82 21.96 2.39 222.30 3752.24 1525.59 Average: 5.39 0.32 3.49 1.57 26.85 401.60 11226.57 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:05 6286124 7538792 281680 3.46 30628 1428836 532872 5.80 447788 1188440 184 01:30:05 6276116 7529364 291172 3.58 30856 1429168 533044 5.81 447632 1189000 180 01:40:01 6275444 7529228 291312 3.58 31064 1429492 533188 5.81 447752 1189532 240 01:50:05 6210780 7504580 314980 3.87 31728 1468356 726768 7.92 465800 1218972 276 02:00:05 6200212 7494728 324680 3.99 31964 1468792 726904 7.92 465972 1219556 208 02:10:01 6207564 7502720 316672 3.89 32152 1469248 727000 7.92 466228 1220064 284 02:20:05 6207100 7502764 316624 3.89 32320 1469572 727064 7.92 466548 1220564 184 02:30:05 6207136 7503456 315828 3.88 32488 1470032 727064 7.92 466688 1221064 192 02:40:01 6207136 7503952 315308 3.88 32648 1470364 727064 7.92 466724 1221556 240 02:50:05 4912520 7154924 610668 7.51 87968 2314880 915780 9.97 674076 2076024 228 Average: 6099013 7476451 337892 4.15 37382 1541874 687675 7.49 481521 1296477 222 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.76 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.49 0.08 0.11 0.06 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 0.90 0.10 6.17 0.06 0.00 0.00 0.00 0.00 01:50:05 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:05 ens3 0.51 0.19 3.29 0.03 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 0.28 0.02 0.04 0.01 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 0.28 0.05 0.06 0.03 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 0.32 0.21 0.04 0.59 0.00 0.00 0.00 0.00 02:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 0.19 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.24 0.05 0.06 0.03 0.00 0.00 0.00 0.00 02:50:05 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:50:05 ens3 122.52 100.76 1508.12 83.14 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 12.72 10.21 152.67 8.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60339) 09/28/26 _x86_64_ (2 CPU) 01:05:23 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:05 all 0.25 0.00 0.08 0.01 0.00 99.65 01:20:05 0 0.07 0.00 0.10 0.00 0.00 99.82 01:20:05 1 0.43 0.00 0.06 0.02 0.00 99.48 01:30:05 all 0.32 0.00 0.16 0.01 0.00 99.50 01:30:05 0 0.13 0.00 0.18 0.00 0.00 99.68 01:30:05 1 0.52 0.00 0.14 0.03 0.00 99.31 01:40:01 all 0.26 0.00 0.06 0.01 0.00 99.66 01:40:01 0 0.07 0.00 0.08 0.00 0.00 99.85 01:40:01 1 0.44 0.00 0.04 0.03 0.00 99.48 01:50:05 all 0.42 0.00 0.11 0.03 0.00 99.44 01:50:05 0 0.60 0.00 0.14 0.03 0.00 99.23 01:50:05 1 0.23 0.00 0.09 0.02 0.00 99.66 02:00:05 all 0.31 0.00 0.18 0.04 0.00 99.47 02:00:05 0 0.08 0.00 0.18 0.01 0.00 99.73 02:00:05 1 0.54 0.00 0.18 0.07 0.00 99.22 02:10:01 all 0.27 0.00 0.08 0.01 0.00 99.64 02:10:01 0 0.06 0.00 0.11 0.00 0.00 99.83 02:10:01 1 0.47 0.00 0.05 0.02 0.00 99.46 02:20:05 all 0.26 0.00 0.07 0.01 0.00 99.65 02:20:05 0 0.06 0.00 0.09 0.02 0.00 99.83 02:20:05 1 0.45 0.00 0.06 0.01 0.00 99.48 02:30:05 all 0.28 0.00 0.16 0.01 0.00 99.55 02:30:05 0 0.06 0.00 0.19 0.02 0.00 99.73 02:30:05 1 0.49 0.00 0.14 0.01 0.00 99.36 02:40:01 all 0.28 0.00 0.06 0.01 0.00 99.64 02:40:01 0 0.46 0.00 0.05 0.00 0.00 99.49 02:40:01 1 0.10 0.00 0.08 0.02 0.00 99.80 02:50:05 all 14.70 0.00 2.39 0.64 0.01 82.25 02:50:05 0 15.32 0.00 2.65 0.55 0.01 81.47 02:50:05 1 14.09 0.00 2.13 0.73 0.01 83.03 Average: all 1.74 0.00 0.34 0.08 0.00 97.84 Average: 0 1.69 0.00 0.38 0.07 0.00 97.86 Average: 1 1.78 0.00 0.30 0.10 0.00 97.82