---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6981 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 8.0G 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 772 5176 4 2287 7169 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:44:50:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80682sec preferred_lft 80682sec inet6 fe80::f816:3eff:fe44:50f8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6981) 09/11/26 _x86_64_ (2 CPU) 01:05:11 LINUX RESTART (2 CPU) 01:10:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.37 0.03 1.34 0.00 1.31 16.45 0.08 01:30:17 1.56 0.01 1.52 0.03 0.05 18.75 208.62 01:40:17 1.34 0.00 1.32 0.02 0.00 15.89 0.80 01:50:37 1.36 0.00 1.35 0.02 0.00 16.40 0.77 02:00:07 15.61 0.00 1.67 13.94 0.15 20.03 115015.51 02:10:37 1.99 0.31 1.66 0.02 41.42 102.03 14.76 02:20:01 1.37 0.00 1.37 0.00 0.00 16.06 0.00 02:30:37 1.58 0.00 1.57 0.01 0.00 18.82 402.32 02:40:07 31.43 3.07 24.32 4.04 242.69 4014.76 3776.04 Average: 6.18 0.37 3.90 1.92 30.73 450.90 12659.49 01:10:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6301052 7548084 272312 3.35 30608 1423044 523816 5.71 447112 1184044 240 01:30:17 6300304 7547936 272472 3.35 30832 1423412 522212 5.69 445940 1184636 104 01:40:17 6299828 7548000 272400 3.35 31040 1423736 522432 5.69 446116 1185168 180 01:50:37 6299828 7548556 271832 3.34 31264 1424060 522504 5.69 446380 1185716 124 02:00:07 6293032 7542448 277900 3.42 31472 1424528 522504 5.69 446496 1186236 124 02:10:37 6223024 7512432 306992 3.77 32116 1463384 715708 7.80 464704 1215648 124 02:20:01 6222524 7512384 307068 3.78 32276 1463668 715708 7.80 464696 1216096 176 02:30:37 6239044 7529532 289788 3.56 32488 1464032 715780 7.80 464856 1216672 172 02:40:07 5336584 7384020 391108 4.81 90760 2125304 829360 9.03 629672 1889208 35376 Average: 6168358 7519266 295764 3.64 38095 1515019 621114 6.77 472886 1273714 4069 01:10:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.79 0.08 0.12 0.05 0.00 0.00 0.00 0.00 01:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:17 ens3 0.81 0.09 6.96 0.04 0.00 0.00 0.00 0.00 01:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:17 ens3 0.42 0.10 0.11 0.06 0.00 0.00 0.00 0.00 01:50:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:37 ens3 0.51 0.23 0.09 0.63 0.00 0.00 0.00 0.00 02:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 0.28 0.05 0.05 0.03 0.00 0.00 0.00 0.00 02:10:37 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:10:37 ens3 0.52 0.27 3.16 0.04 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.20 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:37 ens3 0.26 0.05 0.06 0.04 0.00 0.00 0.00 0.00 02:40:07 lo 1.40 1.40 0.09 0.09 0.00 0.00 0.00 0.00 02:40:07 ens3 147.65 123.54 1793.47 91.91 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.07 13.19 191.23 9.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6981) 09/11/26 _x86_64_ (2 CPU) 01:05:11 LINUX RESTART (2 CPU) 01:10:27 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.28 0.00 0.08 0.01 0.01 99.62 01:20:01 0 0.47 0.00 0.06 0.02 0.00 99.45 01:20:01 1 0.08 0.00 0.11 0.01 0.01 99.80 01:30:17 all 0.28 0.00 0.17 0.01 0.01 99.54 01:30:17 0 0.25 0.00 0.17 0.01 0.00 99.57 01:30:17 1 0.32 0.00 0.16 0.01 0.01 99.50 01:40:17 all 0.26 0.00 0.08 0.01 0.00 99.65 01:40:17 0 0.19 0.00 0.09 0.00 0.00 99.71 01:40:17 1 0.32 0.00 0.07 0.02 0.00 99.59 01:50:37 all 0.28 0.00 0.07 0.01 0.00 99.64 01:50:37 0 0.49 0.00 0.04 0.00 0.00 99.47 01:50:37 1 0.07 0.00 0.10 0.02 0.00 99.81 02:00:07 all 0.28 0.00 0.19 0.05 0.01 99.48 02:00:07 0 0.29 0.00 0.17 0.00 0.01 99.53 02:00:07 1 0.27 0.00 0.20 0.10 0.01 99.42 02:10:37 all 0.41 0.00 0.12 0.03 0.00 99.44 02:10:37 0 0.33 0.00 0.09 0.00 0.00 99.57 02:10:37 1 0.49 0.00 0.15 0.05 0.00 99.31 02:20:01 all 0.25 0.00 0.07 0.01 0.01 99.66 02:20:01 0 0.46 0.00 0.05 0.00 0.00 99.49 02:20:01 1 0.04 0.00 0.10 0.02 0.01 99.82 02:30:37 all 0.28 0.00 0.15 0.01 0.00 99.56 02:30:37 0 0.50 0.00 0.12 0.00 0.00 99.37 02:30:37 1 0.06 0.00 0.17 0.02 0.00 99.74 02:40:07 all 19.95 0.00 3.12 0.73 0.02 76.19 02:40:07 0 13.14 0.00 2.63 0.23 0.02 83.98 02:40:07 1 26.80 0.00 3.61 1.22 0.03 68.34 Average: all 2.37 0.00 0.43 0.09 0.01 97.10 Average: 0 1.72 0.00 0.37 0.03 0.01 97.88 Average: 1 3.01 0.00 0.50 0.16 0.01 96.32