---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60578 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 8.1G 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 803 4991 4 2450 7138 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:85:9b:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 75160sec preferred_lft 75160sec inet6 fe80::f816:3eff:fe85:9b62/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60578) 09/30/26 _x86_64_ (2 CPU) 00:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:03 1.62 0.01 1.59 0.01 0.81 19.45 5.20 00:20:01 1.76 0.11 1.62 0.03 3.07 23.40 269.38 00:30:03 1.66 0.00 1.62 0.03 0.00 18.92 49.90 00:40:03 23.38 2.82 18.30 2.26 221.58 2892.42 1156.83 00:50:01 3.47 0.01 3.43 0.04 0.48 682.31 3.59 01:00:03 1.91 0.00 1.89 0.02 0.00 49.64 0.23 01:10:03 1.56 0.00 1.56 0.00 0.00 43.03 0.00 Average: 5.05 0.42 4.29 0.34 32.28 532.44 212.04 00:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:03 6082232 7496156 311544 3.83 55324 1555528 744076 8.10 477308 1326236 376 00:20:01 6103624 7475672 331948 4.08 55476 1513472 741636 8.08 475816 1284116 240 00:30:03 6106096 7478628 328992 4.05 55636 1513800 741700 8.08 475712 1284604 212 00:40:03 5080164 7392308 362516 4.46 106504 2357392 768052 8.37 559296 2134140 186112 00:50:01 5055168 7376288 378452 4.65 106660 2366268 856552 9.33 611256 2143152 776 01:00:03 5038836 7368032 386640 4.75 106760 2374220 858716 9.35 612764 2151220 444 01:10:03 5032120 7369580 385040 4.73 106852 2382436 859884 9.37 613528 2159492 1092 Average: 5499749 7422381 355019 4.37 84745 2009017 795802 8.67 546526 1783280 27036 00:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:03 ens3 0.31 0.07 0.12 0.07 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.21 0.04 0.04 0.01 0.00 0.00 0.00 0.00 00:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:03 ens3 0.52 0.12 0.17 0.10 0.00 0.00 0.00 0.00 00:40:03 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:03 ens3 73.07 53.38 326.01 12.28 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 28.30 23.95 5.64 3.40 0.00 0.00 0.00 0.00 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 23.70 19.58 4.33 2.73 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 25.81 24.94 7.00 3.16 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 21.70 17.44 49.04 3.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60578) 09/30/26 _x86_64_ (2 CPU) 00:00:03 CPU %user %nice %system %iowait %steal %idle 00:10:03 all 0.25 0.00 0.13 0.01 0.00 99.61 00:10:03 0 0.44 0.00 0.09 0.00 0.00 99.47 00:10:03 1 0.07 0.00 0.17 0.02 0.00 99.75 00:20:01 all 0.67 0.00 0.24 0.01 0.00 99.07 00:20:01 0 0.39 0.00 0.24 0.00 0.00 99.36 00:20:01 1 0.96 0.00 0.25 0.02 0.00 98.77 00:30:03 all 0.28 0.00 0.17 0.01 0.00 99.54 00:30:03 0 0.06 0.00 0.17 0.01 0.00 99.75 00:30:03 1 0.50 0.00 0.16 0.01 0.00 99.33 00:40:03 all 11.22 0.00 1.92 0.54 0.00 86.32 00:40:03 0 8.09 0.00 1.58 0.48 0.00 89.84 00:40:03 1 14.36 0.00 2.25 0.59 0.01 82.79 00:50:01 all 2.46 0.00 0.43 0.03 0.01 97.07 00:50:01 0 1.66 0.00 0.42 0.04 0.01 97.87 00:50:01 1 3.28 0.00 0.44 0.02 0.01 96.24 01:00:03 all 2.48 0.00 0.46 0.01 0.01 97.04 01:00:03 0 2.45 0.00 0.48 0.02 0.01 97.05 01:00:03 1 2.50 0.00 0.45 0.01 0.01 97.03 01:10:03 all 1.98 0.00 0.40 0.01 0.01 97.60 01:10:03 0 1.93 0.00 0.38 0.01 0.01 97.67 01:10:03 1 2.03 0.00 0.42 0.01 0.01 97.53 Average: all 2.77 0.00 0.54 0.09 0.01 96.60 Average: 0 2.15 0.00 0.48 0.08 0.00 97.29 Average: 1 3.39 0.00 0.59 0.10 0.01 95.91