---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60776 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 8.2G 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 817 4895 4 2532 7124 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:7f:a3:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 4399sec preferred_lft 4399sec inet6 fe80::f816:3eff:fe7f:a312/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60776) 10/01/26 _x86_64_ (2 CPU) 00:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:10 1.59 0.02 1.56 0.02 0.81 19.35 428.50 00:20:10 1.74 0.11 1.60 0.03 3.05 22.83 556.29 00:30:10 1.62 0.00 1.59 0.02 0.00 18.29 448.13 00:40:10 21.63 2.79 17.12 1.72 220.08 2666.53 258.41 00:50:10 6.93 0.03 6.35 0.55 2.29 971.20 334.47 01:00:10 1.75 0.00 1.73 0.02 0.00 108.05 0.23 Average: 5.88 0.49 4.99 0.39 37.71 634.38 337.67 00:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:10 6095548 7510764 297476 3.66 53908 1557988 738784 8.05 478016 1326920 420 00:20:10 6115212 7490980 317236 3.90 54072 1518360 736532 8.02 476880 1287104 308 00:30:10 6134880 7511124 297044 3.65 54204 1518692 736532 8.02 476732 1287568 316 00:40:10 5091680 7313616 446460 5.49 100560 2276664 842224 9.17 629740 2047268 115028 00:50:10 5030388 7377216 377932 4.65 105576 2392724 877972 9.56 618600 2168052 152 01:00:10 4991072 7368116 386572 4.75 105656 2422524 900056 9.80 624548 2197932 3364 Average: 5576463 7428636 353787 4.35 78996 1947825 805350 8.77 550753 1719141 19931 00:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:10 ens3 0.53 0.07 0.13 0.07 0.00 0.00 0.00 0.00 00:20:10 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:10 ens3 0.35 0.09 0.08 0.04 0.00 0.00 0.00 0.00 00:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:10 ens3 0.62 0.09 0.15 0.08 0.00 0.00 0.00 0.00 00:40:10 lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 00:40:10 ens3 52.58 36.42 321.71 8.61 0.00 0.00 0.00 0.00 00:50:10 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:50:10 ens3 80.05 61.67 27.70 13.00 0.00 0.00 0.00 0.00 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 77.07 62.21 33.99 6.08 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 35.20 26.76 63.96 4.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60776) 10/01/26 _x86_64_ (2 CPU) 00:00:10 CPU %user %nice %system %iowait %steal %idle 00:10:10 all 0.27 0.00 0.11 0.01 0.00 99.60 00:10:10 0 0.49 0.00 0.09 0.01 0.00 99.40 00:10:10 1 0.05 0.00 0.13 0.02 0.00 99.80 00:20:10 all 0.60 0.00 0.22 0.02 0.00 99.16 00:20:10 0 0.42 0.00 0.23 0.01 0.00 99.35 00:20:10 1 0.78 0.00 0.21 0.03 0.00 98.98 00:30:10 all 0.27 0.00 0.14 0.01 0.00 99.58 00:30:10 0 0.06 0.00 0.15 0.00 0.00 99.79 00:30:10 1 0.48 0.00 0.14 0.02 0.00 99.36 00:40:10 all 9.53 0.00 1.59 0.60 0.01 88.27 00:40:10 0 6.28 0.00 1.40 0.40 0.01 91.91 00:40:10 1 12.78 0.00 1.78 0.80 0.01 84.63 00:50:10 all 7.14 0.00 1.33 0.09 0.02 91.42 00:50:10 0 9.59 0.00 1.29 0.05 0.03 89.04 00:50:10 1 4.72 0.00 1.37 0.13 0.01 93.76 01:00:10 all 6.00 0.00 1.24 0.02 0.02 92.73 01:00:10 0 8.54 0.00 1.22 0.01 0.02 90.20 01:00:10 1 3.52 0.00 1.26 0.02 0.01 95.20 Average: all 3.96 0.00 0.77 0.13 0.01 95.14 Average: 0 4.20 0.00 0.73 0.08 0.01 94.98 Average: 1 3.72 0.00 0.81 0.17 0.01 95.29