---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3057 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 760 5157 4 2318 7181 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:c1:10:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80104sec preferred_lft 80104sec inet6 fe80::f816:3eff:fec1:105e/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-3057) 09/08/26 _x86_64_ (2 CPU) 01:07:39 LINUX RESTART (2 CPU) 01:10:34 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:34 1.44 0.03 1.42 0.00 1.25 16.87 5.73 01:30:30 2.17 0.34 1.80 0.03 43.85 108.54 45.82 01:40:34 1.32 0.00 1.30 0.01 0.00 15.77 39.51 01:50:20 1.30 0.00 1.30 0.00 0.00 15.36 0.00 02:00:34 1.56 0.00 1.55 0.01 0.00 18.48 416.81 02:10:10 15.30 0.00 1.53 13.77 0.15 17.63 113529.25 02:20:30 1.39 0.00 1.39 0.00 0.00 16.35 0.00 02:30:34 1.58 0.00 1.57 0.01 0.00 18.61 423.68 02:40:20 1.28 0.00 1.28 0.00 0.00 15.42 0.00 02:50:22 24.90 2.83 19.81 2.26 223.10 3594.77 1463.64 Average: 5.19 0.32 3.31 1.56 26.94 385.82 11159.53 01:10:34 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:34 6299044 7550652 269848 3.32 30572 1427820 529480 5.77 447832 1188180 124 01:30:30 6220832 7512348 307196 3.78 31232 1466568 730540 7.96 465768 1217500 212 01:40:34 6220832 7512888 306644 3.77 31432 1466900 730676 7.96 465980 1218032 176 01:50:20 6228392 7520924 298604 3.67 31576 1467220 730804 7.96 466048 1218500 140 02:00:34 6234156 7527384 291956 3.59 31784 1467680 730868 7.96 466684 1219040 124 02:10:10 6249852 7543620 275636 3.39 31944 1468052 730868 7.96 466776 1219544 204 02:20:30 6249556 7543824 275444 3.39 32112 1468376 730932 7.96 466700 1220036 124 02:30:34 6242320 7537100 282184 3.47 32280 1468704 730932 7.96 466728 1220532 124 02:40:20 6248396 7543672 275632 3.39 32440 1469040 731016 7.96 467040 1221020 256 02:50:22 5414588 7462652 312336 3.84 87736 2129028 754416 8.22 550712 1890788 2184 Average: 6160797 7525506 289548 3.56 37311 1529939 713053 7.77 473027 1283317 367 01:10:34 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:34 ens3 1.03 0.08 0.14 0.05 0.00 0.00 0.00 0.00 01:30:30 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:30 ens3 0.85 0.32 3.38 0.06 0.00 0.00 0.00 0.00 01:40:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:34 ens3 0.36 0.07 0.07 0.04 0.00 0.00 0.00 0.00 01:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:20 ens3 0.34 0.08 0.08 0.04 0.00 0.00 0.00 0.00 02:00:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:34 ens3 0.43 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 0.17 0.03 0.02 0.01 0.00 0.00 0.00 0.00 02:20:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:30 ens3 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:30:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:34 ens3 0.21 0.05 0.04 0.01 0.00 0.00 0.00 0.00 02:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:20 ens3 0.38 0.16 0.06 0.61 0.00 0.00 0.00 0.00 02:50:22 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:50:22 ens3 119.95 105.32 414.67 32.17 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.46 10.68 42.10 3.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3057) 09/08/26 _x86_64_ (2 CPU) 01:07:39 LINUX RESTART (2 CPU) 01:10:34 CPU %user %nice %system %iowait %steal %idle 01:20:34 all 0.28 0.00 0.09 0.01 0.01 99.61 01:20:34 0 0.07 0.00 0.09 0.02 0.01 99.82 01:20:34 1 0.50 0.00 0.09 0.01 0.01 99.41 01:30:30 all 0.49 0.00 0.22 0.03 0.01 99.25 01:30:30 0 0.49 0.00 0.27 0.04 0.01 99.20 01:30:30 1 0.49 0.00 0.18 0.02 0.01 99.31 01:40:34 all 0.26 0.00 0.09 0.01 0.00 99.64 01:40:34 0 0.05 0.00 0.11 0.01 0.00 99.82 01:40:34 1 0.47 0.00 0.07 0.01 0.00 99.46 01:50:20 all 0.26 0.00 0.08 0.01 0.00 99.64 01:50:20 0 0.05 0.00 0.10 0.00 0.01 99.84 01:50:20 1 0.47 0.00 0.06 0.01 0.00 99.45 02:00:34 all 0.28 0.00 0.16 0.01 0.00 99.54 02:00:34 0 0.30 0.00 0.17 0.00 0.00 99.53 02:00:34 1 0.26 0.00 0.16 0.02 0.00 99.55 02:10:10 all 0.28 0.00 0.10 0.04 0.01 99.57 02:10:10 0 0.06 0.00 0.13 0.06 0.01 99.74 02:10:10 1 0.49 0.00 0.07 0.03 0.01 99.40 02:20:30 all 0.27 0.00 0.09 0.01 0.00 99.62 02:20:30 0 0.45 0.00 0.07 0.01 0.00 99.46 02:20:30 1 0.10 0.00 0.11 0.01 0.00 99.77 02:30:34 all 0.29 0.00 0.17 0.01 0.01 99.52 02:30:34 0 0.26 0.00 0.16 0.02 0.00 99.55 02:30:34 1 0.32 0.00 0.18 0.00 0.01 99.49 02:40:20 all 0.27 0.00 0.09 0.01 0.01 99.63 02:40:20 0 0.40 0.00 0.06 0.02 0.00 99.52 02:40:20 1 0.14 0.00 0.11 0.00 0.01 99.74 02:50:22 all 17.96 0.00 2.45 0.92 0.02 78.64 02:50:22 0 15.43 0.00 2.46 0.40 0.02 81.70 02:50:22 1 20.51 0.00 2.45 1.45 0.03 75.58 Average: all 2.07 0.00 0.36 0.11 0.01 97.46 Average: 0 1.77 0.00 0.36 0.06 0.01 97.80 Average: 1 2.38 0.00 0.35 0.16 0.01 97.11