---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-59179 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 780 5156 4 2298 7161 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:b0:33:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83243sec preferred_lft 83243sec inet6 fe80::f816:3eff:feb0:337e/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-59179) 09/27/26 _x86_64_ (2 CPU) 00:40:54 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:12 19.22 1.64 15.94 1.65 119.81 2569.05 1258.90 01:10:12 8.94 1.49 6.80 0.65 145.12 1055.37 586.28 01:20:01 1.15 0.00 1.14 0.00 0.01 14.00 0.84 01:30:02 1.37 0.00 1.35 0.01 0.00 16.71 0.47 Average: 7.75 0.79 6.38 0.58 66.76 925.22 467.24 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:12 5338376 7368088 405176 4.98 79888 2115980 657680 7.16 602120 1907472 96148 01:10:12 5108048 7345824 420464 5.17 88012 2310464 845808 9.21 623868 2073084 220 01:20:01 5110440 7348680 417604 5.14 88128 2310804 845920 9.21 624220 2073548 308 01:30:02 5116144 7354968 411168 5.06 88268 2311232 845984 9.21 624264 2074044 240 Average: 5168252 7354390 413603 5.09 86074 2262120 798848 8.70 618618 2032037 24229 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:12 lo 1.25 1.25 0.07 0.07 0.00 0.00 0.00 0.00 01:00:12 ens3 52.82 36.11 292.57 7.52 0.00 0.00 0.00 0.00 01:10:12 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 01:10:12 ens3 23.26 15.35 31.65 4.34 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.54 0.28 0.30 0.14 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 1.36 0.26 0.26 0.12 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 19.97 13.16 82.51 3.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-59179) 09/27/26 _x86_64_ (2 CPU) 00:40:54 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:12 all 9.00 0.00 1.52 0.52 0.01 88.96 01:00:12 0 3.92 0.00 1.28 0.61 0.01 94.18 01:00:12 1 14.08 0.00 1.76 0.42 0.01 83.73 01:10:12 all 3.05 0.00 0.69 0.15 0.01 96.10 01:10:12 0 3.28 0.00 0.72 0.10 0.01 95.89 01:10:12 1 2.82 0.00 0.67 0.20 0.01 96.31 01:20:01 all 0.38 0.00 0.13 0.01 0.01 99.48 01:20:01 0 0.52 0.00 0.06 0.02 0.00 99.40 01:20:01 1 0.23 0.00 0.19 0.00 0.01 99.56 01:30:02 all 0.39 0.00 0.20 0.01 0.01 99.39 01:30:02 0 0.50 0.00 0.13 0.02 0.01 99.35 01:30:02 1 0.29 0.00 0.26 0.00 0.01 99.43 Average: all 3.25 0.00 0.64 0.17 0.01 95.93 Average: 0 2.07 0.00 0.55 0.19 0.01 97.18 Average: 1 4.43 0.00 0.73 0.16 0.01 94.67