---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60741 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 8.1G 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 779 5031 4 2425 7162 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:a5:0e:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83723sec preferred_lft 83723sec inet6 fe80::f816:3eff:fea5:eba/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-60741) 09/30/26 _x86_64_ (2 CPU) 02:19:53 LINUX RESTART (2 CPU) 02:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:34 32.23 6.09 23.93 2.21 612.70 6909.04 1660.83 02:40:24 1.24 0.01 1.21 0.02 0.26 57.79 3.54 02:50:34 1.24 0.00 1.22 0.02 0.00 113.56 4.18 03:00:34 15.69 0.00 1.50 14.18 0.15 48.36 106090.91 Average: 12.87 1.59 7.20 4.08 159.59 1852.93 26592.07 02:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:34 5167312 7404856 361564 4.45 87628 2310652 868996 9.47 599748 2072704 528 02:40:24 5150736 7401276 364752 4.49 87800 2323348 880572 9.59 602852 2085588 320 02:50:34 5112228 7393608 371972 4.57 87984 2353572 893824 9.74 608588 2116004 396 03:00:34 5093356 7384032 381192 4.69 88116 2362592 862112 9.39 609664 2125000 180 Average: 5130908 7395943 369870 4.55 87882 2337541 876376 9.55 605213 2099824 356 02:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:34 lo 1.38 1.38 0.09 0.09 0.00 0.00 0.00 0.00 02:30:34 ens3 115.56 80.07 355.69 18.59 0.00 0.00 0.00 0.00 02:40:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:24 ens3 6.44 6.31 4.27 1.10 0.00 0.00 0.00 0.00 02:50:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:34 ens3 71.13 60.02 41.34 5.84 0.00 0.00 0.00 0.00 03:00:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:34 ens3 18.11 16.69 9.18 2.47 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 53.94 41.54 106.25 7.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60741) 09/30/26 _x86_64_ (2 CPU) 02:19:53 LINUX RESTART (2 CPU) 02:20:00 CPU %user %nice %system %iowait %steal %idle 02:30:34 all 12.93 0.00 2.64 1.81 0.02 82.61 02:30:34 0 10.81 0.00 2.80 1.80 0.01 84.58 02:30:34 1 15.04 0.00 2.48 1.82 0.02 80.64 02:40:24 all 2.88 0.00 0.28 0.01 0.01 96.82 02:40:24 0 2.52 0.00 0.25 0.01 0.01 97.21 02:40:24 1 3.24 0.00 0.30 0.01 0.01 96.44 02:50:34 all 5.71 0.00 1.11 0.01 0.02 93.16 02:50:34 0 5.86 0.00 1.25 0.02 0.02 92.86 02:50:34 1 5.56 0.00 0.97 0.00 0.02 93.46 03:00:34 all 4.27 0.00 0.56 0.05 0.01 95.11 03:00:34 0 5.41 0.00 0.54 0.02 0.01 94.03 03:00:34 1 3.14 0.00 0.58 0.07 0.01 96.19 Average: all 6.56 0.00 1.17 0.49 0.01 91.76 Average: 0 6.23 0.00 1.24 0.48 0.01 92.03 Average: 1 6.89 0.00 1.11 0.50 0.01 91.50