---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-58060 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 777 5155 4 2302 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:ce:53:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83931sec preferred_lft 83931sec inet6 fe80::f816:3eff:fece:5357/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-58060) 09/25/26 _x86_64_ (2 CPU) 00:39:00 LINUX RESTART (2 CPU) 00:40:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:22 1.52 0.03 1.50 0.00 1.24 17.51 0.08 01:00:01 19.31 1.75 16.01 1.56 126.53 2661.13 2102.91 01:10:22 24.59 1.45 8.48 14.66 140.95 1247.15 103432.53 01:20:02 6.88 0.13 4.94 1.80 10.68 281.46 3102.73 Average: 13.17 0.84 7.69 4.64 70.47 1046.01 28240.48 00:40:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:22 6283736 7535288 285092 3.51 30620 1427508 519856 5.66 445864 1188496 160 01:00:01 5382740 7356388 420952 5.18 73380 2070092 650600 7.09 590852 1855156 55912 01:10:22 5106596 7344584 421788 5.19 86888 2311900 886824 9.66 636088 2073520 372 01:20:02 5265240 7324896 450516 5.54 90484 2138188 898988 9.79 685828 1900848 32188 Average: 5509578 7390289 394587 4.85 70343 1986922 739067 8.05 589658 1754505 22158 00:40:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:22 ens3 2.16 0.10 0.27 0.05 0.00 0.00 0.00 0.00 01:00:01 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 01:00:01 ens3 55.66 36.10 294.12 7.18 0.00 0.00 0.00 0.00 01:10:22 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 01:10:22 ens3 33.44 25.24 68.70 6.00 0.00 0.00 0.00 0.00 01:20:02 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 01:20:02 ens3 18.74 15.38 109.06 5.44 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 27.38 19.14 116.16 4.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-58060) 09/25/26 _x86_64_ (2 CPU) 00:39:00 LINUX RESTART (2 CPU) 00:40:22 CPU %user %nice %system %iowait %steal %idle 00:50:22 all 0.28 0.00 0.10 0.01 0.01 99.60 00:50:22 0 0.30 0.00 0.09 0.01 0.01 99.60 00:50:22 1 0.25 0.00 0.11 0.02 0.01 99.61 01:00:01 all 9.52 0.00 1.55 1.86 0.05 87.03 01:00:01 0 6.53 0.00 1.52 2.67 0.06 89.22 01:00:01 1 12.50 0.00 1.57 1.05 0.04 84.85 01:10:22 all 4.89 0.00 1.00 0.61 0.06 93.45 01:10:22 0 4.29 0.00 0.86 0.61 0.05 94.19 01:10:22 1 5.48 0.00 1.13 0.61 0.06 92.72 01:20:02 all 5.84 0.00 0.82 0.20 0.06 93.08 01:20:02 0 6.91 0.00 0.77 0.15 0.04 92.13 01:20:02 1 4.77 0.00 0.87 0.25 0.08 94.03 Average: all 5.08 0.00 0.86 0.66 0.04 93.35 Average: 0 4.47 0.00 0.81 0.85 0.04 93.84 Average: 1 5.70 0.00 0.91 0.48 0.05 92.86