---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28794 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 765 5148 4 2328 7176 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:3e:66:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82238sec preferred_lft 82238sec inet6 fe80::f816:3eff:fe3e:665a/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-28794) 06/20/26 _x86_64_ (2 CPU) 05:08:45 LINUX RESTART (2 CPU) 05:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:20:07 1.37 0.03 1.35 0.00 1.25 16.52 0.12 05:30:01 16.38 13.94 2.36 0.08 185.04 106.54 13.24 05:40:07 1.24 0.00 1.23 0.02 0.00 15.02 0.98 05:50:07 1.17 0.00 1.16 0.02 0.00 14.43 1.09 06:00:01 1.42 0.00 1.39 0.03 0.00 17.66 1.41 06:10:06 1.74 0.40 1.33 0.02 15.71 47.28 1.09 Average: 3.87 2.37 1.47 0.03 33.39 36.13 2.97 05:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:07 6295028 7541708 278784 3.43 30544 1421992 530404 5.78 439968 1183292 176 05:30:01 6189160 7519796 290972 3.58 34944 1492836 530464 5.78 450096 1248852 160 05:40:07 6194532 7525700 285044 3.50 35140 1493164 530672 5.78 449976 1249376 180 05:50:07 6193816 7525508 285216 3.51 35340 1493488 530620 5.78 449980 1249892 272 06:00:01 6190804 7523044 287652 3.54 35524 1493820 531316 5.79 450964 1250416 324 06:10:06 6155368 7502856 307536 3.78 35884 1508640 547240 5.96 481212 1263948 256 Average: 6203118 7523102 289201 3.56 34563 1483990 533453 5.81 453699 1240963 228 05:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:07 ens3 1.83 0.08 0.26 0.06 0.00 0.00 0.00 0.00 05:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:30:01 ens3 1.12 0.52 3.29 0.09 0.00 0.00 0.00 0.00 05:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:07 ens3 0.37 0.08 0.08 0.04 0.00 0.00 0.00 0.00 05:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:07 ens3 0.22 0.05 0.04 0.01 0.00 0.00 0.00 0.00 06:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:01 ens3 0.34 0.22 0.07 0.56 0.00 0.00 0.00 0.00 06:10:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 06:10:06 ens3 11.18 5.26 19.91 2.60 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.52 1.04 3.96 0.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28794) 06/20/26 _x86_64_ (2 CPU) 05:08:45 LINUX RESTART (2 CPU) 05:10:07 CPU %user %nice %system %iowait %steal %idle 05:20:07 all 0.30 0.00 0.08 0.01 0.03 99.57 05:20:07 0 0.51 0.00 0.05 0.02 0.03 99.40 05:20:07 1 0.10 0.00 0.11 0.01 0.04 99.75 05:30:01 all 0.43 0.17 0.26 0.14 0.04 98.96 05:30:01 0 0.54 0.13 0.19 0.11 0.03 99.00 05:30:01 1 0.32 0.21 0.33 0.17 0.04 98.93 05:40:07 all 0.27 0.00 0.07 0.01 0.03 99.62 05:40:07 0 0.49 0.00 0.04 0.00 0.02 99.44 05:40:07 1 0.05 0.00 0.09 0.01 0.04 99.80 05:50:07 all 0.26 0.00 0.07 0.01 0.04 99.62 05:50:07 0 0.05 0.00 0.09 0.00 0.04 99.83 05:50:07 1 0.48 0.00 0.06 0.02 0.04 99.41 06:00:01 all 0.30 0.00 0.16 0.01 0.03 99.50 06:00:01 0 0.29 0.00 0.17 0.01 0.04 99.49 06:00:01 1 0.30 0.00 0.14 0.01 0.03 99.52 06:10:06 all 0.50 0.00 0.09 0.01 0.03 99.37 06:10:06 0 0.68 0.00 0.08 0.01 0.01 99.21 06:10:06 1 0.32 0.00 0.10 0.02 0.04 99.52 Average: all 0.34 0.03 0.12 0.03 0.03 99.44 Average: 0 0.43 0.02 0.10 0.03 0.03 99.40 Average: 1 0.26 0.04 0.14 0.04 0.04 99.49