---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1352 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 770 5271 4 2189 7171 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:86:fd:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.195/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82122sec preferred_lft 82122sec inet6 fe80::f816:3eff:fe86:fd27/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1352) 04/09/26 _x86_64_ (2 CPU) 00:41:45 LINUX RESTART (2 CPU) 00:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:09 14.10 0.01 1.54 12.56 0.20 19.13 109623.29 01:10:09 1.20 0.00 1.18 0.02 0.00 14.28 1.08 01:20:09 1.76 0.32 1.42 0.03 39.03 71.68 1.52 01:30:09 1.53 0.01 1.49 0.03 1.05 18.92 872.07 01:40:09 2.67 1.31 1.33 0.03 95.85 107.48 1.45 01:50:09 20.33 1.71 16.38 2.23 132.39 3058.93 906.52 Average: 6.93 0.56 3.89 2.48 44.75 548.40 18567.91 00:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:09 6279992 7527528 292772 3.60 30700 1422748 530744 5.78 446880 1183432 148 01:10:09 6278816 7526888 293412 3.61 30888 1423088 530776 5.78 447044 1183964 136 01:20:09 6227276 7504128 315524 3.88 31280 1451092 729152 7.94 464792 1201296 140 01:30:09 6233908 7511652 308096 3.79 31500 1451736 531076 5.78 459508 1201848 176 01:40:09 6026708 7403104 410756 5.05 39204 1537856 623656 6.79 576160 1282936 40744 01:50:09 5288396 7403040 368600 4.53 85028 2194004 632756 6.89 599076 1951960 256 Average: 6055849 7479390 331527 4.08 41433 1580087 596360 6.50 498910 1334239 6933 00:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 0.61 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 1.01 0.05 3.18 0.03 0.00 0.00 0.00 0.00 01:20:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 0.59 0.25 3.13 0.07 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.38 0.12 0.08 0.48 0.00 0.00 0.00 0.00 01:40:09 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 22.21 10.51 51.23 4.18 0.00 0.00 0.00 0.00 01:50:09 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:09 ens3 78.18 56.78 256.82 13.30 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 17.16 11.30 52.42 3.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1352) 04/09/26 _x86_64_ (2 CPU) 00:41:45 LINUX RESTART (2 CPU) 00:50:09 CPU %user %nice %system %iowait %steal %idle 01:00:09 all 0.29 0.00 0.18 0.04 0.03 99.46 01:00:09 0 0.34 0.00 0.20 0.05 0.03 99.39 01:00:09 1 0.25 0.00 0.16 0.02 0.04 99.54 01:10:09 all 0.26 0.00 0.07 0.01 0.03 99.63 01:10:09 0 0.06 0.00 0.09 0.01 0.05 99.79 01:10:09 1 0.46 0.00 0.04 0.01 0.02 99.47 01:20:09 all 0.36 0.00 0.10 0.02 0.03 99.49 01:20:09 0 0.10 0.00 0.11 0.02 0.04 99.74 01:20:09 1 0.62 0.00 0.09 0.03 0.03 99.23 01:30:09 all 0.25 0.00 0.16 0.01 0.03 99.55 01:30:09 0 0.12 0.00 0.17 0.02 0.04 99.66 01:30:09 1 0.38 0.00 0.15 0.01 0.03 99.44 01:40:09 all 1.01 0.00 0.20 0.04 0.03 98.71 01:40:09 0 0.96 0.00 0.17 0.04 0.02 98.82 01:40:09 1 1.07 0.00 0.23 0.04 0.04 98.61 01:50:09 all 13.04 0.00 1.79 0.54 0.06 84.57 01:50:09 0 12.58 0.00 1.79 0.61 0.06 84.96 01:50:09 1 13.50 0.00 1.79 0.48 0.06 84.17 Average: all 2.53 0.00 0.41 0.11 0.04 96.91 Average: 0 2.36 0.00 0.42 0.12 0.04 97.06 Average: 1 2.71 0.00 0.41 0.10 0.03 96.75