---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8474 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 758 5169 4 2307 7183 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:cf:90:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83888sec preferred_lft 83888sec inet6 fe80::f816:3eff:fecf:9032/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8474) 09/16/26 _x86_64_ (2 CPU) 00:39:21 LINUX RESTART (2 CPU) 00:40:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.79 0.03 1.74 0.02 1.31 26.53 225.33 01:00:14 21.93 2.77 17.28 1.88 217.73 2751.07 811.85 01:10:16 4.50 0.02 4.09 0.39 2.02 711.09 285.81 01:20:01 21.25 0.10 5.47 15.69 6.99 357.09 112243.46 Average: 12.43 0.75 7.24 4.44 58.48 980.41 27885.43 00:40:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6279928 7531384 288704 3.55 30592 1427464 522512 5.69 452356 1188276 260 01:00:14 5229188 7414320 352836 4.34 86456 2259940 591260 6.44 568064 2031472 170312 01:10:16 5153376 7346636 420112 5.17 87604 2266556 656416 7.15 602320 2039008 184 01:20:01 5348716 7365272 410884 5.05 90916 2094908 652408 7.11 635712 1868988 1828 Average: 5502802 7414403 368134 4.53 73892 2012217 605649 6.60 564613 1781936 43146 00:40:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.14 0.09 0.29 0.06 0.00 0.00 0.00 0.00 01:00:14 lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 01:00:14 ens3 52.23 35.38 312.89 7.56 0.00 0.00 0.00 0.00 01:10:16 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:10:16 ens3 31.94 20.94 30.07 5.15 0.00 0.00 0.00 0.00 01:20:01 lo 1.57 1.57 0.11 0.11 0.00 0.00 0.00 0.00 01:20:01 ens3 17.10 14.68 119.15 4.54 0.00 0.00 0.00 0.00 Average: lo 1.21 1.21 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 26.20 18.00 117.29 4.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8474) 09/16/26 _x86_64_ (2 CPU) 00:39:21 LINUX RESTART (2 CPU) 00:40:17 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.31 0.00 0.20 0.02 0.02 99.44 00:50:01 0 0.11 0.00 0.19 0.01 0.02 99.67 00:50:01 1 0.52 0.00 0.21 0.04 0.03 99.21 01:00:14 all 10.40 0.00 1.81 0.54 0.03 87.22 01:00:14 0 11.80 0.00 1.88 0.64 0.04 85.64 01:00:14 1 8.99 0.00 1.73 0.45 0.03 88.80 01:10:16 all 2.30 0.00 0.49 0.05 0.02 97.13 01:10:16 0 3.17 0.00 0.46 0.05 0.02 96.29 01:10:16 1 1.42 0.00 0.52 0.06 0.03 97.96 01:20:01 all 4.74 0.00 0.67 0.16 0.02 94.41 01:20:01 0 2.82 0.00 0.59 0.23 0.03 96.34 01:20:01 1 6.66 0.00 0.75 0.09 0.02 92.49 Average: all 4.49 0.00 0.80 0.20 0.03 94.48 Average: 0 4.55 0.00 0.79 0.23 0.03 94.39 Average: 1 4.43 0.00 0.81 0.16 0.03 94.57