---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8312 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 8.0G 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 777 5167 4 2291 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:94:e0:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80749sec preferred_lft 80749sec inet6 fe80::f816:3eff:fe94:e0a2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8312) 09/15/26 _x86_64_ (2 CPU) 01:06:46 LINUX RESTART (2 CPU) 01:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:03 1.40 0.03 1.37 0.00 1.25 16.67 0.07 01:30:03 2.16 0.33 1.79 0.03 43.55 108.94 873.37 01:40:03 1.29 0.00 1.28 0.01 0.00 15.57 39.79 01:50:03 14.60 0.00 1.38 13.21 0.15 16.33 108968.19 02:00:03 1.54 0.00 1.53 0.02 0.00 18.69 853.05 02:10:03 1.47 0.03 1.45 0.00 2.15 17.16 0.04 02:20:03 1.44 0.00 1.44 0.00 0.00 16.77 0.00 02:30:03 1.61 0.00 1.60 0.01 0.00 19.72 639.85 02:40:03 30.89 2.88 24.77 3.24 224.21 3783.47 4389.39 Average: 6.27 0.36 4.07 1.84 30.15 445.93 12862.65 01:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:03 6289104 7536840 283488 3.49 30556 1423844 520384 5.67 445232 1183756 216 01:30:03 6230464 7518224 301088 3.70 31212 1462680 722248 7.87 463524 1213164 212 01:40:03 6247184 7535456 283856 3.49 31396 1463004 722248 7.87 463608 1213672 180 01:50:03 6246316 7535132 284116 3.49 31548 1463376 724724 7.89 460200 1214168 188 02:00:03 6242900 7532364 286908 3.53 31732 1463832 724944 7.90 460668 1214680 212 02:10:03 6231908 7522528 296740 3.65 31908 1464808 724944 7.90 461244 1215272 188 02:20:03 6230916 7522036 297252 3.66 32080 1465132 725016 7.90 461396 1215768 224 02:30:03 6243832 7535488 283764 3.49 32256 1465464 725008 7.90 461512 1216276 188 02:40:03 5290328 7334716 440484 5.42 89508 2123728 866088 9.43 663280 1886576 31204 Average: 6139217 7508087 306411 3.77 38022 1532874 717289 7.81 482296 1285926 3646 01:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 1.49 0.08 0.25 0.04 0.00 0.00 0.00 0.00 01:30:03 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.85 0.32 3.41 0.08 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.58 0.06 0.10 0.05 0.00 0.00 0.00 0.00 01:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:03 ens3 0.27 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 0.31 0.04 0.05 0.03 0.00 0.00 0.00 0.00 02:10:03 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 0.23 0.05 0.06 0.02 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.28 0.13 0.03 0.53 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 0.18 0.04 0.03 0.02 0.00 0.00 0.00 0.00 02:40:03 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 02:40:03 ens3 82.76 58.88 331.31 14.63 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 9.66 6.63 37.25 1.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8312) 09/15/26 _x86_64_ (2 CPU) 01:06:46 LINUX RESTART (2 CPU) 01:10:03 CPU %user %nice %system %iowait %steal %idle 01:20:03 all 0.30 0.00 0.11 0.01 0.01 99.58 01:20:03 0 0.11 0.00 0.11 0.01 0.01 99.77 01:20:03 1 0.48 0.00 0.11 0.02 0.01 99.38 01:30:03 all 0.44 0.00 0.26 0.03 0.00 99.27 01:30:03 0 0.56 0.00 0.28 0.03 0.01 99.12 01:30:03 1 0.31 0.00 0.24 0.03 0.00 99.42 01:40:03 all 0.27 0.00 0.10 0.01 0.00 99.62 01:40:03 0 0.16 0.00 0.10 0.01 0.01 99.72 01:40:03 1 0.38 0.00 0.09 0.01 0.00 99.51 01:50:03 all 0.31 0.00 0.11 0.04 0.00 99.55 01:50:03 0 0.51 0.00 0.06 0.02 0.00 99.41 01:50:03 1 0.10 0.00 0.16 0.06 0.00 99.68 02:00:03 all 0.29 0.00 0.20 0.01 0.01 99.49 02:00:03 0 0.49 0.00 0.15 0.00 0.01 99.35 02:00:03 1 0.10 0.00 0.26 0.02 0.01 99.62 02:10:03 all 0.28 0.00 0.11 0.01 0.00 99.59 02:10:03 0 0.38 0.00 0.08 0.00 0.00 99.54 02:10:03 1 0.18 0.00 0.14 0.03 0.01 99.64 02:20:03 all 0.30 0.00 0.10 0.02 0.01 99.58 02:20:03 0 0.51 0.00 0.08 0.01 0.00 99.40 02:20:03 1 0.09 0.00 0.13 0.03 0.01 99.75 02:30:03 all 0.27 0.00 0.20 0.04 0.01 99.48 02:30:03 0 0.47 0.00 0.16 0.03 0.00 99.33 02:30:03 1 0.08 0.00 0.24 0.04 0.01 99.63 02:40:03 all 16.65 0.00 2.62 1.03 0.03 79.67 02:40:03 0 12.69 0.00 2.45 1.45 0.03 83.38 02:40:03 1 20.62 0.00 2.79 0.60 0.03 75.96 Average: all 2.12 0.00 0.42 0.13 0.01 97.31 Average: 0 1.76 0.00 0.38 0.17 0.01 97.67 Average: 1 2.48 0.00 0.46 0.09 0.01 96.95