---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39229 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 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 769 5095 4 2369 7172 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:84:83:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81323sec preferred_lft 81323sec inet6 fe80::f816:3eff:fe84:83e6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39229) 07/27/26 _x86_64_ (2 CPU) 00:41:58 LINUX RESTART (2 CPU) 00:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 1.55 0.01 1.53 0.01 0.05 17.69 438.58 01:10:12 1.94 0.26 1.68 0.01 31.84 76.42 0.23 01:20:12 1.41 0.00 1.40 0.01 0.01 15.77 0.84 01:30:12 1.59 0.00 1.56 0.03 0.00 18.44 436.91 01:40:12 1.79 0.40 1.38 0.02 15.83 47.44 1.20 01:50:12 36.32 2.46 18.90 14.95 210.02 3551.69 109732.44 02:00:12 1.64 0.00 1.62 0.02 0.00 69.76 0.25 Average: 6.61 0.45 4.01 2.15 36.85 542.50 15800.83 00:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 6285272 7537360 283152 3.48 30724 1426992 518760 5.65 445016 1187804 212 01:10:12 6249668 7529364 290676 3.57 31060 1453896 518944 5.65 454420 1205968 132 01:20:12 6250412 7530632 289396 3.56 31252 1454232 519348 5.66 456096 1206488 156 01:30:12 6258532 7539312 280624 3.45 31456 1454552 519372 5.66 455828 1207020 136 01:40:12 6209228 7505388 314304 3.86 31804 1469380 559196 6.09 497828 1220552 308 01:50:12 5189340 7417752 348432 4.28 87432 2300368 636396 6.93 590672 2063080 292 02:00:12 5159492 7403316 362824 4.46 87608 2315600 639032 6.96 593368 2078488 660 Average: 5943135 7494732 309915 3.81 47334 1696431 558721 6.09 499033 1452771 271 00:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 0.60 0.08 0.12 0.05 0.00 0.00 0.00 0.00 01:10:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:12 ens3 0.98 0.45 3.73 0.07 0.00 0.00 0.00 0.00 01:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 0.47 0.09 0.14 0.05 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 0.36 0.06 0.10 0.06 0.00 0.00 0.00 0.00 01:40:12 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 11.27 5.67 23.85 3.25 0.00 0.00 0.00 0.00 01:50:12 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:12 ens3 68.28 50.99 304.89 10.07 0.00 0.00 0.00 0.00 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 43.30 39.08 10.19 5.57 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 17.89 13.77 49.00 2.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39229) 07/27/26 _x86_64_ (2 CPU) 00:41:58 LINUX RESTART (2 CPU) 00:50:12 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 0.26 0.00 0.17 0.01 0.04 99.52 01:00:08 0 0.10 0.00 0.16 0.01 0.04 99.68 01:00:08 1 0.42 0.00 0.17 0.01 0.04 99.36 01:10:12 all 0.36 0.00 0.10 0.03 0.05 99.46 01:10:12 0 0.43 0.00 0.11 0.03 0.04 99.40 01:10:12 1 0.29 0.00 0.10 0.03 0.05 99.52 01:20:12 all 0.25 0.00 0.07 0.01 0.04 99.62 01:20:12 0 0.06 0.00 0.09 0.02 0.05 99.78 01:20:12 1 0.45 0.00 0.06 0.01 0.03 99.45 01:30:12 all 0.25 0.00 0.15 0.01 0.05 99.53 01:30:12 0 0.06 0.00 0.16 0.02 0.05 99.70 01:30:12 1 0.45 0.00 0.15 0.00 0.04 99.36 01:40:12 all 0.53 0.00 0.11 0.02 0.04 99.30 01:40:12 0 0.36 0.00 0.13 0.02 0.06 99.44 01:40:12 1 0.70 0.00 0.08 0.01 0.03 99.17 01:50:12 all 14.07 0.00 1.89 0.74 0.10 83.19 01:50:12 0 16.20 0.00 2.08 0.70 0.10 80.92 01:50:12 1 11.97 0.00 1.69 0.79 0.10 85.44 02:00:12 all 5.91 0.00 0.63 0.02 0.10 93.34 02:00:12 0 4.57 0.00 0.54 0.03 0.10 94.77 02:00:12 1 7.25 0.00 0.71 0.01 0.11 91.91 Average: all 3.07 0.00 0.44 0.12 0.06 96.30 Average: 0 3.08 0.00 0.46 0.12 0.06 96.27 Average: 1 3.06 0.00 0.42 0.12 0.06 96.33