---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60725 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 797 5017 4 2422 7144 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:e2:3b:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.141/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 76468sec preferred_lft 76468sec inet6 fe80::f816:3eff:fee2:3bc9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60725) 09/30/26 _x86_64_ (2 CPU) 00:56:32 LINUX RESTART (2 CPU) 01:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:01 1.39 0.03 1.36 0.00 1.27 16.35 0.10 01:20:24 1.42 0.01 1.40 0.01 0.06 17.27 0.75 01:30:24 2.18 0.33 1.82 0.04 43.49 108.69 5.93 01:40:01 1.30 0.00 1.30 0.00 0.00 15.74 0.00 01:50:24 1.29 0.00 1.29 0.00 0.00 15.54 0.00 02:00:13 1.58 0.00 1.56 0.02 0.00 19.39 217.24 02:10:01 1.36 0.00 1.36 0.00 0.00 15.81 0.00 02:20:24 25.69 2.72 20.78 2.19 215.52 3436.79 634.98 02:30:24 15.76 0.00 1.57 14.19 0.15 25.85 106219.45 02:40:01 1.26 0.00 1.26 0.00 0.00 19.93 0.03 02:50:24 1.39 0.00 1.39 0.00 0.00 125.56 0.00 03:00:08 1.70 0.00 1.68 0.02 0.00 22.02 1.11 03:10:01 1.22 0.00 1.22 0.00 0.00 16.63 0.00 03:20:03 1.28 0.00 1.28 0.00 0.00 25.56 394.52 03:30:24 1.55 0.01 1.52 0.03 0.30 59.63 1.64 03:40:01 1.39 0.00 1.38 0.01 0.00 21.86 0.11 Average: 3.92 0.20 2.68 1.04 16.84 256.51 6730.01 01:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:01 6286024 7533232 286904 3.53 30604 1423424 529148 5.76 446260 1184068 276 01:20:24 6288368 7536156 283940 3.49 30840 1423756 529212 5.76 446784 1184636 144 01:30:24 6233168 7520996 298120 3.67 31500 1462624 722836 7.87 464844 1214080 132 01:40:01 6232916 7521288 297820 3.66 31652 1463012 723068 7.88 465116 1214556 240 01:50:24 6231908 7520776 298328 3.67 31812 1463340 723636 7.88 465952 1215044 184 02:00:13 6230504 7520040 298976 3.68 32004 1463800 723636 7.88 466008 1215560 228 02:10:01 6230504 7520516 298496 3.67 32148 1464120 723636 7.88 466084 1216032 292 02:20:24 4939312 7186100 579356 7.12 87788 2319508 933772 10.17 706928 2081564 404 02:30:24 5037588 7286316 478964 5.89 87892 2321340 909164 9.90 673792 2083468 124 02:40:01 5032212 7282608 482696 5.94 88040 2322872 909192 9.90 673924 2085144 292 02:50:24 5024744 7309780 455276 5.60 88212 2357084 921444 10.04 685296 2119536 188 03:00:08 5028508 7314436 450520 5.54 88340 2357840 921444 10.04 685452 2120292 124 03:10:01 5030348 7317024 447972 5.51 88464 2358464 921508 10.04 685384 2121032 364 03:20:03 5030380 7320396 444624 5.47 88556 2361660 881844 9.61 645136 2124328 748 03:30:24 4953928 7256512 508216 6.25 88708 2373912 950292 10.35 714144 2136732 196 03:40:01 4974180 7278716 485968 5.98 88816 2375728 916820 9.99 680816 2138528 244 Average: 5549037 7389056 399761 4.92 63461 1957030 808791 8.81 585745 1715912 261 01:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 1.21 0.05 2.47 0.03 0.00 0.00 0.00 0.00 01:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:24 ens3 0.46 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:30:24 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:24 ens3 0.58 0.30 3.36 0.06 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.44 0.08 0.10 0.06 0.00 0.00 0.00 0.00 01:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:24 ens3 0.27 0.17 0.04 0.48 0.00 0.00 0.00 0.00 02:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:13 ens3 0.18 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.21 0.05 0.06 0.03 0.00 0.00 0.00 0.00 02:20:24 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 02:20:24 ens3 83.82 60.93 474.08 12.42 0.00 0.00 0.00 0.00 02:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:24 ens3 12.70 9.95 167.85 1.08 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 6.17 5.50 34.55 0.73 0.00 0.00 0.00 0.00 02:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:24 ens3 5.03 3.62 35.85 0.35 0.00 0.00 0.00 0.00 03:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:08 ens3 2.83 1.72 0.37 0.24 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 2.70 1.71 0.36 0.24 0.00 0.00 0.00 0.00 03:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:03 ens3 16.11 14.80 148.49 1.61 0.00 0.00 0.00 0.00 03:30:24 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:30:24 ens3 26.34 23.77 292.50 2.19 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 6.46 6.24 58.71 0.70 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.60 8.25 77.97 1.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60725) 09/30/26 _x86_64_ (2 CPU) 00:56:32 LINUX RESTART (2 CPU) 01:00:17 CPU %user %nice %system %iowait %steal %idle 01:10:01 all 0.26 0.00 0.09 0.01 0.00 99.63 01:10:01 0 0.38 0.00 0.08 0.00 0.00 99.54 01:10:01 1 0.15 0.00 0.10 0.02 0.01 99.72 01:20:24 all 0.28 0.00 0.07 0.01 0.00 99.63 01:20:24 0 0.38 0.00 0.05 0.00 0.00 99.56 01:20:24 1 0.18 0.00 0.10 0.02 0.00 99.70 01:30:24 all 0.50 0.00 0.21 0.03 0.00 99.26 01:30:24 0 0.42 0.00 0.18 0.03 0.00 99.36 01:30:24 1 0.57 0.00 0.23 0.04 0.00 99.16 01:40:01 all 0.24 0.00 0.07 0.02 0.00 99.67 01:40:01 0 0.42 0.00 0.07 0.01 0.00 99.50 01:40:01 1 0.05 0.00 0.08 0.03 0.01 99.84 01:50:24 all 0.26 0.00 0.06 0.01 0.00 99.66 01:50:24 0 0.30 0.00 0.06 0.01 0.00 99.62 01:50:24 1 0.22 0.00 0.07 0.02 0.00 99.69 02:00:13 all 0.26 0.00 0.16 0.02 0.00 99.57 02:00:13 0 0.06 0.00 0.18 0.00 0.00 99.76 02:00:13 1 0.45 0.00 0.14 0.03 0.00 99.38 02:10:01 all 0.26 0.00 0.07 0.01 0.00 99.65 02:10:01 0 0.06 0.00 0.09 0.02 0.01 99.83 02:10:01 1 0.46 0.00 0.05 0.01 0.00 99.48 02:20:24 all 11.54 0.00 2.02 0.59 0.02 85.84 02:20:24 0 11.44 0.00 2.08 0.68 0.02 85.78 02:20:24 1 11.63 0.00 1.95 0.50 0.01 85.91 02:30:24 all 0.80 0.00 0.38 0.09 0.01 98.71 02:30:24 0 0.82 0.00 0.32 0.07 0.01 98.78 02:30:24 1 0.79 0.00 0.44 0.12 0.01 98.64 02:40:01 all 1.69 0.00 0.41 0.01 0.01 97.88 02:40:01 0 0.80 0.00 0.27 0.01 0.01 98.91 02:40:01 1 2.63 0.00 0.56 0.02 0.02 96.77 02:50:24 all 1.11 0.00 0.30 0.01 0.01 98.56 02:50:24 0 0.70 0.00 0.26 0.00 0.01 99.03 02:50:24 1 1.57 0.00 0.34 0.02 0.02 98.05 02:50:24 CPU %user %nice %system %iowait %steal %idle 03:00:08 all 0.68 0.00 0.31 0.01 0.03 98.97 03:00:08 0 0.68 0.00 0.36 0.02 0.03 98.91 03:00:08 1 0.68 0.00 0.26 0.01 0.02 99.03 03:10:01 all 0.64 0.00 0.21 0.01 0.02 99.12 03:10:01 0 0.66 0.00 0.23 0.01 0.02 99.09 03:10:01 1 0.63 0.00 0.20 0.00 0.02 99.15 03:20:03 all 1.19 0.00 0.33 0.01 0.01 98.46 03:20:03 0 1.25 0.00 0.29 0.01 0.01 98.43 03:20:03 1 1.13 0.00 0.37 0.01 0.01 98.48 03:30:24 all 1.79 0.00 0.57 0.01 0.01 97.62 03:30:24 0 2.36 0.00 0.72 0.02 0.02 96.89 03:30:24 1 1.22 0.00 0.41 0.01 0.01 98.35 03:40:01 all 0.75 0.00 0.24 0.01 0.01 98.98 03:40:01 0 0.52 0.00 0.19 0.00 0.01 99.28 03:40:01 1 0.99 0.00 0.30 0.01 0.02 98.68 Average: all 1.42 0.00 0.35 0.06 0.01 98.16 Average: 0 1.36 0.00 0.34 0.06 0.01 98.23 Average: 1 1.48 0.00 0.35 0.06 0.01 98.10