---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15928 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 8.0G 30G 21% / 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 789 5118 4 2331 7152 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:d1:2f:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.173/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78013sec preferred_lft 78013sec inet6 fe80::f816:3eff:fed1:2feb/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-15928) 05/17/26 _x86_64_ (2 CPU) 00:17:09 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:12 1.55 0.02 1.51 0.01 1.22 18.48 428.63 00:40:52 1.88 0.25 1.60 0.03 30.08 71.44 1.23 00:50:01 1.32 0.00 1.31 0.01 0.00 15.36 0.92 01:00:32 1.54 0.00 1.53 0.01 0.00 18.50 414.30 01:10:52 1.19 0.00 1.19 0.00 0.00 14.65 0.00 01:20:01 1.33 0.03 1.30 0.00 2.36 16.10 0.04 01:30:02 14.46 0.39 1.50 12.56 15.12 50.00 109664.96 01:40:32 20.42 2.50 15.79 2.12 201.72 3006.89 508.80 01:50:01 1.53 0.00 1.52 0.02 0.00 25.05 0.17 02:00:42 14.91 12.68 2.16 0.07 141.21 48.03 6.07 02:10:02 1.34 0.00 1.34 0.01 0.00 139.53 416.97 02:20:01 1.33 0.00 1.33 0.00 0.00 33.55 0.00 02:30:52 1.57 0.00 1.55 0.02 0.00 24.77 0.39 Average: 5.08 1.29 2.64 1.15 31.57 277.54 8527.94 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:12 6275072 7526020 294468 3.62 30632 1426176 530772 5.78 449464 1187364 232 00:40:52 6225880 7503936 316128 3.89 31044 1452500 531036 5.78 459504 1205028 124 00:50:01 6225628 7504152 315888 3.88 31216 1452792 531100 5.78 459596 1205492 124 01:00:32 6240108 7519232 300692 3.70 31416 1453156 531292 5.79 458628 1206056 124 01:10:52 6247696 7527320 292632 3.60 31584 1453484 531292 5.79 458652 1206552 128 01:20:01 6237148 7518016 301956 3.71 31756 1454548 531292 5.79 459536 1207100 160 01:30:02 6226608 7522144 297496 3.66 32004 1468776 543996 5.93 481720 1220272 108 01:40:32 5179356 7304504 466912 5.74 85276 2203956 718632 7.83 673052 1964884 260 01:50:01 5203064 7330280 441040 5.42 85432 2205868 677452 7.38 623528 1966952 316 02:00:42 5143520 7327660 434772 5.35 88832 2251216 697160 7.59 644120 2015092 172 02:10:02 5068392 7287504 474772 5.84 88996 2285860 716008 7.80 661932 2049760 312 02:20:01 5052148 7276948 485260 5.97 89140 2291312 720564 7.85 666696 2055368 316 02:30:52 5054524 7281564 480596 5.91 89316 2293336 720604 7.85 666972 2057568 128 Average: 5721473 7417637 377124 4.64 57434 1822537 613938 6.69 551031 1580576 193 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:12 ens3 1.04 0.09 0.14 0.05 0.00 0.00 0.00 0.00 00:40:52 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:40:52 ens3 2.13 0.33 3.23 0.13 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 0.96 0.09 0.16 0.07 0.00 0.00 0.00 0.00 01:00:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:32 ens3 0.45 0.21 0.08 0.55 0.00 0.00 0.00 0.00 01:10:52 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:52 ens3 0.41 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.52 0.13 0.15 0.07 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 11.60 5.42 20.04 2.74 0.00 0.00 0.00 0.00 01:40:32 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:40:32 ens3 64.54 46.72 402.46 8.89 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 15.78 14.33 147.71 1.24 0.00 0.00 0.00 0.00 02:00:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:42 ens3 3.14 2.62 4.78 0.46 0.00 0.00 0.00 0.00 02:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 8.42 7.37 78.36 0.89 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 17.27 16.72 142.13 1.93 0.00 0.00 0.00 0.00 02:30:52 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:52 ens3 19.09 17.48 206.21 1.41 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 11.40 8.74 78.79 1.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15928) 05/17/26 _x86_64_ (2 CPU) 00:17:09 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:12 all 0.32 0.00 0.16 0.01 0.02 99.49 00:30:12 0 0.31 0.00 0.15 0.00 0.02 99.51 00:30:12 1 0.32 0.00 0.17 0.02 0.02 99.47 00:40:52 all 0.37 0.00 0.10 0.02 0.02 99.48 00:40:52 0 0.36 0.00 0.10 0.03 0.02 99.48 00:40:52 1 0.38 0.00 0.11 0.01 0.02 99.48 00:50:01 all 0.21 0.00 0.08 0.01 0.02 99.68 00:50:01 0 0.34 0.00 0.06 0.01 0.02 99.56 00:50:01 1 0.08 0.00 0.10 0.00 0.03 99.79 01:00:32 all 0.32 0.00 0.15 0.01 0.03 99.49 01:00:32 0 0.31 0.00 0.15 0.00 0.03 99.51 01:00:32 1 0.32 0.00 0.15 0.02 0.03 99.48 01:10:52 all 0.24 0.00 0.06 0.01 0.02 99.67 01:10:52 0 0.05 0.00 0.09 0.00 0.03 99.84 01:10:52 1 0.42 0.00 0.04 0.02 0.01 99.50 01:20:01 all 0.28 0.00 0.07 0.01 0.02 99.61 01:20:01 0 0.19 0.00 0.09 0.01 0.02 99.68 01:20:01 1 0.37 0.00 0.06 0.01 0.02 99.55 01:30:02 all 0.52 0.00 0.18 0.04 0.02 99.24 01:30:02 0 0.54 0.00 0.20 0.08 0.02 99.17 01:30:02 1 0.49 0.00 0.17 0.00 0.03 99.31 01:40:32 all 10.44 0.00 1.63 0.49 0.06 87.38 01:40:32 0 11.90 0.00 1.82 0.73 0.06 85.48 01:40:32 1 8.98 0.00 1.44 0.25 0.05 89.28 01:50:01 all 0.88 0.00 0.24 0.01 0.04 98.83 01:50:01 0 0.61 0.00 0.23 0.02 0.05 99.09 01:50:01 1 1.15 0.00 0.25 0.00 0.04 98.57 02:00:42 all 6.79 0.20 1.25 0.30 0.08 91.37 02:00:42 0 6.33 0.21 1.16 0.36 0.08 91.86 02:00:42 1 7.27 0.19 1.34 0.24 0.08 90.88 02:10:02 all 5.82 0.00 0.84 0.01 0.08 93.25 02:10:02 0 9.25 0.00 1.27 0.01 0.09 89.38 02:10:02 1 2.51 0.00 0.43 0.01 0.07 96.98 02:10:02 CPU %user %nice %system %iowait %steal %idle 02:20:01 all 2.15 0.00 0.31 0.01 0.04 97.49 02:20:01 0 1.20 0.00 0.26 0.01 0.04 98.49 02:20:01 1 3.10 0.00 0.35 0.01 0.05 96.48 02:30:52 all 1.05 0.00 0.35 0.01 0.04 98.55 02:30:52 0 1.27 0.00 0.44 0.01 0.05 98.23 02:30:52 1 0.83 0.00 0.25 0.01 0.03 98.87 Average: all 2.27 0.02 0.42 0.08 0.04 97.18 Average: 0 2.50 0.02 0.46 0.10 0.04 96.88 Average: 1 2.04 0.02 0.38 0.05 0.04 97.48