---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9123 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 8.0G 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 759 5171 4 2304 7182 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:ea:a8:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.4/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83461sec preferred_lft 83461sec inet6 fe80::f816:3eff:feea:a87e/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-9123) 09/18/26 _x86_64_ (2 CPU) 00:19:40 LINUX RESTART (2 CPU) 00:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:14 1.84 0.04 1.76 0.04 1.52 30.21 7.08 00:40:04 1.17 0.01 1.15 0.01 0.05 14.74 34.98 00:50:14 1.80 0.32 1.46 0.02 42.78 102.86 47.94 01:00:14 26.20 2.83 21.04 2.33 223.61 3541.82 1005.78 Average: 7.73 0.80 6.33 0.60 66.90 919.15 272.91 00:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:14 6282564 7529536 290928 3.58 30524 1423080 536572 5.84 447244 1183896 136 00:40:04 6282564 7530084 290376 3.57 30740 1423412 536708 5.85 447048 1184444 204 00:50:14 6214176 7501684 317800 3.91 31384 1462268 738616 8.04 465260 1213860 136 01:00:14 5176248 7402904 363016 4.46 87608 2299540 836704 9.11 601596 2061972 1180 Average: 5988888 7491052 315530 3.88 45064 1652075 662150 7.21 490287 1411043 414 00:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:14 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:30:14 ens3 2.94 0.29 0.68 0.18 0.00 0.00 0.00 0.00 00:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:04 ens3 0.68 0.10 0.12 0.06 0.00 0.00 0.00 0.00 00:50:14 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:14 ens3 1.12 0.26 5.74 0.07 0.00 0.00 0.00 0.00 01:00:14 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:00:14 ens3 105.13 72.20 330.76 16.78 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 27.37 18.14 84.01 4.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9123) 09/18/26 _x86_64_ (2 CPU) 00:19:40 LINUX RESTART (2 CPU) 00:20:03 CPU %user %nice %system %iowait %steal %idle 00:30:14 all 0.36 0.00 0.26 0.02 0.01 99.36 00:30:14 0 0.21 0.00 0.29 0.03 0.00 99.46 00:30:14 1 0.50 0.00 0.22 0.01 0.01 99.26 00:40:04 all 0.30 0.00 0.10 0.01 0.00 99.59 00:40:04 0 0.20 0.00 0.11 0.01 0.00 99.67 00:40:04 1 0.40 0.00 0.08 0.02 0.01 99.50 00:50:14 all 0.40 0.00 0.14 0.03 0.00 99.42 00:50:14 0 0.56 0.00 0.17 0.04 0.00 99.24 00:50:14 1 0.25 0.00 0.12 0.02 0.00 99.61 01:00:14 all 12.21 0.00 2.19 0.74 0.02 84.84 01:00:14 0 7.14 0.00 1.94 0.48 0.01 90.43 01:00:14 1 17.30 0.00 2.44 1.00 0.02 79.25 Average: all 3.31 0.00 0.67 0.20 0.01 95.81 Average: 0 2.02 0.00 0.63 0.14 0.01 97.20 Average: 1 4.60 0.00 0.71 0.26 0.01 94.42