---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19203 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 7.9G 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 792 5204 4 2242 7149 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:f9:d9:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81509sec preferred_lft 81509sec inet6 fe80::f816:3eff:fef9:d91a/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-19203) 05/23/26 _x86_64_ (2 CPU) 01:57:07 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:03 1.36 0.02 1.34 0.00 1.24 16.31 0.12 02:20:00 12.43 11.02 1.39 0.02 125.93 28.22 4.58 02:30:01 4.42 2.57 1.79 0.06 25.83 32.51 2.42 02:40:03 1.12 0.00 1.12 0.00 0.00 14.28 0.00 02:50:01 1.18 0.00 1.18 0.00 0.00 14.79 0.00 03:00:02 2.25 0.48 1.74 0.02 39.43 93.34 432.61 03:10:03 13.83 1.53 11.28 1.02 110.34 2309.50 209.61 Average: 5.22 2.23 2.84 0.16 43.18 358.93 92.79 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:03 6291816 7538392 281916 3.47 30544 1421940 521300 5.68 445760 1183144 188 02:20:00 6233680 7526748 285812 3.51 33520 1458644 531328 5.79 456296 1222088 424 02:30:01 6226588 7530816 280232 3.45 34868 1466892 521444 5.68 446616 1231812 168 02:40:03 6226364 7531080 279964 3.44 35028 1467220 521508 5.68 447016 1232300 216 02:50:01 6224852 7530060 280980 3.46 35188 1467548 521636 5.68 447376 1232788 240 03:00:02 6181736 7521272 289180 3.56 35608 1501020 723124 7.88 469008 1256948 284 03:10:03 5366676 7346904 424932 5.23 74856 2069432 663320 7.22 626368 1848444 272 Average: 6107387 7503610 303288 3.73 39945 1550385 571951 6.23 476920 1315361 256 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 1.12 0.04 0.10 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.43 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.87 0.06 1.75 0.03 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 0.48 0.09 0.26 0.06 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 0.38 0.18 0.11 0.48 0.00 0.00 0.00 0.00 03:00:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:02 ens3 4.41 2.37 12.45 0.72 0.00 0.00 0.00 0.00 03:10:03 lo 1.16 1.16 0.06 0.06 0.00 0.00 0.00 0.00 03:10:03 ens3 35.26 21.74 266.62 5.43 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 6.14 3.51 40.25 0.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19203) 05/23/26 _x86_64_ (2 CPU) 01:57:07 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:03 all 0.30 0.00 0.08 0.01 0.03 99.59 02:10:03 0 0.46 0.00 0.05 0.00 0.02 99.46 02:10:03 1 0.13 0.00 0.10 0.01 0.03 99.72 02:20:00 all 0.25 0.14 0.13 0.13 0.02 99.32 02:20:00 0 0.43 0.27 0.16 0.23 0.02 98.88 02:20:00 1 0.07 0.01 0.10 0.03 0.03 99.76 02:30:01 all 0.29 0.03 0.19 0.05 0.03 99.40 02:30:01 0 0.18 0.04 0.19 0.06 0.02 99.50 02:30:01 1 0.40 0.03 0.20 0.04 0.03 99.30 02:40:03 all 0.27 0.00 0.07 0.01 0.02 99.63 02:40:03 0 0.48 0.00 0.06 0.01 0.02 99.43 02:40:03 1 0.06 0.00 0.08 0.00 0.03 99.82 02:50:01 all 0.30 0.00 0.07 0.01 0.02 99.60 02:50:01 0 0.38 0.00 0.06 0.01 0.02 99.53 02:50:01 1 0.22 0.00 0.08 0.00 0.03 99.67 03:00:02 all 0.47 0.00 0.19 0.02 0.02 99.29 03:00:02 0 0.41 0.00 0.22 0.02 0.02 99.33 03:00:02 1 0.53 0.00 0.16 0.03 0.02 99.26 03:10:03 all 6.32 0.00 0.91 0.40 0.04 92.33 03:10:03 0 3.25 0.00 0.64 0.27 0.03 95.81 03:10:03 1 9.39 0.00 1.18 0.54 0.04 88.85 Average: all 1.17 0.02 0.24 0.09 0.03 98.45 Average: 0 0.80 0.04 0.20 0.09 0.02 98.85 Average: 1 1.55 0.01 0.27 0.09 0.03 98.05