---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6238 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 766 5022 4 2456 7175 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:1b:2f:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 67515sec preferred_lft 67515sec inet6 fe80::f816:3eff:fe1b:2f58/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6238) 09/10/26 _x86_64_ (2 CPU) 00:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:28 1.82 0.01 1.79 0.01 0.78 21.35 4.95 00:20:01 1.84 0.11 1.70 0.03 3.19 24.28 584.17 00:30:12 24.18 2.77 19.36 2.06 217.76 2825.01 1182.86 Average: 9.37 0.97 7.68 0.71 74.70 967.48 585.45 00:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:28 6109404 7519964 288260 3.54 55380 1552008 749512 8.16 480540 1322728 160 00:20:01 6131588 7503556 304496 3.74 55524 1513228 747304 8.14 479020 1283876 240 00:30:12 5042084 7343432 412024 5.07 106320 2346820 854676 9.31 638384 2123320 190472 Average: 5761025 7455651 334927 4.12 72408 1804019 783831 8.54 532648 1576641 63624 00:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:28 ens3 0.28 0.06 0.09 0.05 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.21 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:12 lo 1.25 1.25 0.08 0.08 0.00 0.00 0.00 0.00 00:30:12 ens3 49.27 36.85 311.37 8.88 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 16.77 12.46 105.02 3.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6238) 09/10/26 _x86_64_ (2 CPU) 00:00:00 CPU %user %nice %system %iowait %steal %idle 00:10:28 all 0.26 0.00 0.12 0.01 0.00 99.60 00:10:28 0 0.06 0.00 0.15 0.01 0.00 99.77 00:10:28 1 0.46 0.00 0.10 0.01 0.00 99.42 00:20:01 all 0.65 0.00 0.26 0.02 0.00 99.07 00:20:01 0 0.87 0.00 0.24 0.00 0.00 98.88 00:20:01 1 0.43 0.00 0.27 0.03 0.00 99.26 00:30:12 all 10.83 0.00 1.82 0.52 0.01 86.82 00:30:12 0 10.71 0.00 1.76 0.35 0.01 87.17 00:30:12 1 10.96 0.00 1.88 0.69 0.01 86.47 Average: all 3.95 0.00 0.74 0.19 0.00 95.12 Average: 0 3.91 0.00 0.72 0.12 0.00 95.24 Average: 1 3.99 0.00 0.75 0.25 0.00 95.00