---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27484 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 nrip_save 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 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 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 8.3G 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 4748 4 2725 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:24:0c:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78973sec preferred_lft 78973sec inet6 fe80::f816:3eff:fe24:c77/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27484) 06/15/26 _x86_64_ (2 CPU) 01:48:09 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.41 0.02 1.38 0.01 1.24 17.57 435.93 02:10:12 1.22 0.01 1.21 0.00 0.05 15.01 0.12 02:20:12 1.62 0.25 1.36 0.01 30.99 65.56 0.29 02:30:02 1.40 0.00 1.39 0.01 0.00 24.15 443.01 02:40:12 13.58 0.00 1.25 12.33 0.14 15.47 107322.65 02:50:01 15.59 13.79 1.75 0.05 153.89 42.08 6.49 03:00:01 23.73 3.00 18.42 2.31 227.02 3445.52 494.11 03:10:12 1.31 0.00 1.30 0.02 0.00 16.45 1.18 03:20:01 1.37 0.00 1.35 0.02 0.00 122.00 1.76 03:30:01 1.79 0.00 1.73 0.06 0.00 383.50 4.73 03:40:12 1.47 0.00 1.44 0.02 0.00 152.18 2.16 03:50:01 1.25 0.00 1.23 0.02 0.00 16.06 1.22 Average: 5.47 1.40 2.82 1.26 34.22 359.66 9208.08 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6303620 7555360 264824 3.26 30612 1426948 521568 5.68 441256 1187296 124 02:10:12 6301440 7553724 266448 3.28 30792 1427312 521696 5.68 441352 1187836 216 02:20:12 6232256 7511324 308356 3.79 31132 1453408 717604 7.82 455912 1205512 2264 02:30:02 6236720 7516320 303268 3.73 31312 1453708 717604 7.82 455944 1205992 240 02:40:12 6244308 7524472 294896 3.63 31496 1454116 717604 7.82 456356 1206524 216 02:50:01 6175976 7513364 296952 3.65 35632 1498832 717800 7.82 457572 1254672 284 03:00:01 4900888 7157812 599540 7.37 90624 2318364 1001212 10.91 781868 2083636 300 03:10:12 4951540 7209028 548280 6.74 90792 2318808 958900 10.44 738616 2084208 216 03:20:01 4891664 7188996 568252 6.99 90940 2358340 1021352 11.12 785148 2123928 8152 03:30:01 4704020 7104320 651200 8.01 91104 2459736 1107364 12.06 870684 2225488 260 03:40:12 4552992 6995740 759112 9.33 91268 2501452 1190992 12.97 955340 2267236 176 03:50:01 4965084 7418320 336396 4.14 91452 2511608 743032 8.09 549760 2277580 9900 Average: 5538376 7354065 433127 5.33 61430 1931886 828061 9.02 615817 1692492 1862 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.58 0.05 0.18 0.03 0.00 0.00 0.00 0.00 02:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 0.65 0.04 4.25 0.01 0.00 0.00 0.00 0.00 02:20:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 0.48 0.21 3.15 0.03 0.00 0.00 0.00 0.00 02:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 0.44 0.04 0.63 0.01 0.00 0.00 0.00 0.00 02:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:12 ens3 0.35 0.08 0.10 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.46 0.17 0.12 0.52 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 88.22 66.84 746.97 12.35 0.00 0.00 0.00 0.00 03:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:12 ens3 29.16 26.34 451.17 1.74 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 79.81 75.43 1225.02 4.95 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 25.65 24.40 392.86 1.67 0.00 0.00 0.00 0.00 03:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:12 ens3 27.96 26.64 431.80 1.78 0.00 0.00 0.00 0.00 03:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:01 ens3 19.37 18.08 274.06 1.29 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 22.79 19.80 293.33 2.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27484) 06/15/26 _x86_64_ (2 CPU) 01:48:09 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.29 0.00 0.16 0.01 0.02 99.51 02:00:01 0 0.14 0.00 0.17 0.01 0.03 99.66 02:00:01 1 0.45 0.00 0.16 0.01 0.02 99.36 02:10:12 all 0.28 0.00 0.07 0.01 0.02 99.62 02:10:12 0 0.38 0.00 0.06 0.00 0.02 99.54 02:10:12 1 0.18 0.00 0.09 0.01 0.03 99.69 02:20:12 all 0.41 0.00 0.10 0.02 0.02 99.44 02:20:12 0 0.75 0.00 0.09 0.02 0.02 99.13 02:20:12 1 0.08 0.00 0.11 0.02 0.03 99.76 02:30:02 all 0.28 0.00 0.17 0.01 0.03 99.52 02:30:02 0 0.17 0.00 0.17 0.00 0.02 99.63 02:30:02 1 0.38 0.00 0.16 0.02 0.03 99.41 02:40:12 all 0.25 0.00 0.09 0.03 0.02 99.61 02:40:12 0 0.40 0.00 0.08 0.04 0.02 99.45 02:40:12 1 0.09 0.00 0.10 0.01 0.03 99.77 02:50:01 all 0.29 0.17 0.13 0.14 0.02 99.24 02:50:01 0 0.24 0.00 0.07 0.00 0.02 99.66 02:50:01 1 0.35 0.34 0.20 0.28 0.02 98.81 03:00:01 all 12.22 0.00 1.94 0.54 0.06 85.25 03:00:01 0 13.08 0.00 2.04 0.47 0.06 84.35 03:00:01 1 11.36 0.00 1.84 0.61 0.06 86.14 03:10:12 all 0.60 0.00 0.25 0.00 0.05 99.10 03:10:12 0 0.75 0.00 0.39 0.00 0.06 98.79 03:10:12 1 0.45 0.00 0.11 0.00 0.03 99.40 03:20:01 all 1.11 0.00 0.55 0.01 0.05 98.28 03:20:01 0 1.04 0.00 0.65 0.01 0.05 98.25 03:20:01 1 1.18 0.00 0.46 0.01 0.04 98.31 03:30:01 all 0.80 0.00 0.30 0.01 0.05 98.84 03:30:01 0 0.60 0.00 0.22 0.01 0.04 99.13 03:30:01 1 0.99 0.00 0.38 0.01 0.07 98.55 03:40:12 all 0.67 0.00 0.26 0.01 0.05 99.01 03:40:12 0 0.60 0.00 0.12 0.00 0.03 99.24 03:40:12 1 0.75 0.00 0.39 0.01 0.07 98.78 03:40:12 CPU %user %nice %system %iowait %steal %idle 03:50:01 all 1.30 0.00 0.25 0.01 0.05 98.39 03:50:01 0 0.52 0.00 0.11 0.01 0.04 99.33 03:50:01 1 2.08 0.00 0.39 0.00 0.07 97.46 Average: all 1.54 0.01 0.36 0.07 0.04 97.99 Average: 0 1.55 0.00 0.35 0.05 0.03 98.02 Average: 1 1.52 0.03 0.36 0.08 0.04 97.96