---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53642 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: 5600.00 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 750 5288 4 2191 7191 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:97:01:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.107/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81761sec preferred_lft 81761sec inet6 fe80::f816:3eff:fe97:117/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53642) 03/28/26 _x86_64_ (2 CPU) 00:44:03 LINUX RESTART (2 CPU) 00:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:18 1.58 0.01 1.55 0.03 0.05 18.67 437.00 01:10:24 1.36 0.00 1.34 0.02 0.00 16.17 1.31 01:20:08 1.36 0.00 1.35 0.02 0.01 15.83 1.11 01:30:24 1.56 0.00 1.54 0.03 0.00 18.35 425.77 01:40:24 2.00 0.31 1.66 0.03 39.01 73.41 1.29 01:50:24 35.33 3.18 17.36 14.79 233.72 3137.45 110303.33 02:00:08 3.24 0.05 2.50 0.68 2.16 130.91 2067.91 Average: 6.64 0.51 3.90 2.23 39.37 487.95 16208.90 00:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:18 6295704 7543136 277372 3.41 30668 1422456 529668 5.77 453156 1183344 168 01:10:24 6297532 7545504 274988 3.38 30880 1422792 529928 5.77 453388 1183880 196 01:20:08 6302528 7550992 269468 3.31 31064 1423120 529960 5.77 453928 1184368 164 01:30:24 6302796 7551860 268604 3.30 31288 1423448 529960 5.77 453744 1184956 132 01:40:24 6240604 7518464 301376 3.71 31684 1451480 728752 7.94 467960 1202192 144 01:50:24 5351104 7460884 310660 3.82 85812 2188064 561044 6.11 555492 1946672 236 02:00:08 5434596 7376360 404124 4.97 87208 2026768 646236 7.04 642784 1786484 35752 Average: 6032123 7506743 300942 3.70 46943 1622590 579364 6.31 497207 1381699 5256 00:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:18 ens3 0.53 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:24 ens3 1.45 0.05 6.39 0.03 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.56 0.08 0.13 0.06 0.00 0.00 0.00 0.00 01:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:24 ens3 0.48 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:40:24 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:24 ens3 0.74 0.33 3.14 0.52 0.00 0.00 0.00 0.00 01:50:24 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:50:24 ens3 101.18 72.10 304.99 17.00 0.00 0.00 0.00 0.00 02:00:08 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 25.45 17.59 14.76 5.95 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 18.58 12.86 47.15 3.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53642) 03/28/26 _x86_64_ (2 CPU) 00:44:03 LINUX RESTART (2 CPU) 00:50:18 CPU %user %nice %system %iowait %steal %idle 01:00:18 all 0.26 0.00 0.16 0.01 0.04 99.52 01:00:18 0 0.35 0.00 0.16 0.01 0.04 99.44 01:00:18 1 0.18 0.00 0.16 0.01 0.04 99.61 01:10:24 all 0.24 0.00 0.07 0.01 0.04 99.63 01:10:24 0 0.07 0.00 0.08 0.02 0.05 99.78 01:10:24 1 0.42 0.00 0.06 0.01 0.03 99.48 01:20:08 all 0.26 0.00 0.07 0.01 0.04 99.62 01:20:08 0 0.05 0.00 0.09 0.01 0.05 99.80 01:20:08 1 0.46 0.00 0.05 0.00 0.03 99.45 01:30:24 all 0.21 0.00 0.16 0.01 0.04 99.58 01:30:24 0 0.07 0.00 0.16 0.02 0.05 99.69 01:30:24 1 0.35 0.00 0.15 0.00 0.03 99.46 01:40:24 all 0.39 0.00 0.10 0.03 0.04 99.45 01:40:24 0 0.28 0.00 0.12 0.06 0.05 99.50 01:40:24 1 0.49 0.00 0.07 0.01 0.03 99.40 01:50:24 all 10.74 0.00 1.71 0.57 0.05 86.93 01:50:24 0 10.60 0.00 1.80 0.83 0.06 86.71 01:50:24 1 10.87 0.00 1.62 0.32 0.05 87.14 02:00:08 all 6.69 0.00 0.73 0.06 0.07 92.45 02:00:08 0 6.98 0.00 0.81 0.08 0.08 92.06 02:00:08 1 6.40 0.00 0.65 0.05 0.06 92.84 Average: all 2.66 0.00 0.43 0.10 0.05 96.76 Average: 0 2.61 0.00 0.46 0.15 0.05 96.74 Average: 1 2.72 0.00 0.39 0.06 0.04 96.79