---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7884 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 767 5025 4 2451 7174 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:5e:37:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5734sec preferred_lft 5734sec inet6 fe80::f816:3eff:fe5e:37c6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7884) 09/14/26 _x86_64_ (2 CPU) 00:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.62 0.02 1.59 0.01 0.85 19.65 5.22 00:20:08 3.24 0.11 1.60 1.54 3.02 23.35 1596.15 00:30:06 1.67 0.00 1.64 0.02 0.00 19.13 0.40 00:40:01 26.47 2.84 21.38 2.26 223.96 3534.67 870.59 00:50:08 1.57 0.00 1.55 0.02 0.00 51.00 3.07 01:00:08 1.87 0.00 1.80 0.07 0.00 97.83 6.95 Average: 6.04 0.49 4.90 0.65 37.64 619.06 415.45 00:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6098604 7507860 300160 3.69 54064 1552160 738620 8.05 479072 1321896 356 00:20:08 6126748 7497040 310860 3.82 54192 1513004 736388 8.02 477768 1282652 220 00:30:06 6117716 7488448 319444 3.93 54304 1513324 736440 8.02 477820 1283084 388 00:40:01 5084556 7387424 367740 4.52 106512 2348280 837340 9.12 604152 2125188 240 00:50:08 5076948 7390108 365128 4.49 106604 2358496 856700 9.33 607764 2135504 452 01:00:08 5038684 7374516 380628 4.68 106732 2381036 852424 9.28 611912 2158176 264 Average: 5590543 7440899 340660 4.19 80401 1944383 792985 8.64 543081 1717750 320 00:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.32 0.09 0.08 0.06 0.00 0.00 0.00 0.00 00:20:08 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:08 ens3 0.21 0.07 0.06 0.02 0.00 0.00 0.00 0.00 00:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:06 ens3 0.49 0.10 0.15 0.08 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 70.47 49.69 324.85 13.32 0.00 0.00 0.00 0.00 00:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:08 ens3 35.34 30.62 6.91 3.57 0.00 0.00 0.00 0.00 01:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 45.55 43.97 10.15 6.18 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 25.35 20.73 56.56 3.86 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7884) 09/14/26 _x86_64_ (2 CPU) 00:00:06 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.27 0.00 0.13 0.01 0.00 99.58 00:10:01 0 0.06 0.00 0.14 0.01 0.00 99.79 00:10:01 1 0.48 0.00 0.13 0.01 0.00 99.38 00:20:08 all 0.65 0.00 0.24 0.02 0.00 99.09 00:20:08 0 0.53 0.00 0.25 0.02 0.00 99.19 00:20:08 1 0.76 0.00 0.23 0.01 0.00 98.99 00:30:06 all 0.29 0.00 0.20 0.01 0.00 99.49 00:30:06 0 0.29 0.00 0.20 0.00 0.00 99.51 00:30:06 1 0.29 0.00 0.21 0.03 0.00 99.47 00:40:01 all 12.10 0.00 2.01 0.54 0.02 85.33 00:40:01 0 11.05 0.00 1.93 0.59 0.02 86.41 00:40:01 1 13.16 0.00 2.10 0.48 0.02 84.25 00:50:08 all 3.99 0.00 0.53 0.02 0.02 95.44 00:50:08 0 2.16 0.00 0.52 0.03 0.02 97.26 00:50:08 1 5.86 0.00 0.53 0.00 0.02 93.58 01:00:08 all 6.99 0.00 0.76 0.02 0.01 92.22 01:00:08 0 5.33 0.00 0.75 0.02 0.01 93.88 01:00:08 1 8.64 0.00 0.78 0.01 0.02 90.56 Average: all 4.03 0.00 0.65 0.10 0.01 95.21 Average: 0 3.22 0.00 0.63 0.11 0.01 96.02 Average: 1 4.84 0.00 0.66 0.09 0.01 94.40