---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-14242 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 754 5298 4 2178 7187 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:70:ae:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.31/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82195sec preferred_lft 82195sec inet6 fe80::f816:3eff:fe70:ae61/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-14242) 05/14/26 _x86_64_ (2 CPU) 01:57:16 LINUX RESTART (2 CPU) 02:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:05 1.47 0.03 1.43 0.01 1.24 17.05 0.72 02:20:01 1.97 0.26 1.68 0.03 31.22 75.41 1.38 02:30:05 1.50 0.00 1.47 0.03 0.00 17.95 650.54 02:40:06 1.33 0.00 1.33 0.00 0.00 15.69 0.00 02:50:01 1.30 0.00 1.30 0.00 0.00 16.01 0.00 03:00:07 1.44 0.00 1.43 0.01 0.00 17.70 646.35 Average: 1.50 0.05 1.44 0.01 5.38 26.58 218.14 02:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:05 6285300 7531552 288476 3.55 30620 1421520 528700 5.76 446632 1183348 176 02:20:01 6252784 7525740 293832 3.61 31008 1447464 723176 7.88 461088 1200916 124 02:30:05 6246096 7519644 299796 3.69 31224 1447804 723320 7.88 461268 1201472 208 02:40:06 6245592 7519632 299788 3.69 31384 1448128 723416 7.88 461448 1201956 188 02:50:01 6251388 7525940 293492 3.61 31564 1448460 724684 7.89 461752 1202468 188 03:00:07 6248928 7524124 295252 3.63 31732 1448916 724684 7.89 462244 1202960 136 Average: 6255015 7524439 295106 3.63 31255 1443715 691330 7.53 459072 1198853 170 02:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 0.78 0.06 0.07 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.61 0.21 3.14 0.03 0.00 0.00 0.00 0.00 02:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 0.24 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:06 ens3 0.35 0.05 0.08 0.03 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 0.27 0.06 0.07 0.03 0.00 0.00 0.00 0.00 03:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:07 ens3 0.36 0.09 0.12 0.07 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 0.43 0.08 0.59 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-14242) 05/14/26 _x86_64_ (2 CPU) 01:57:16 LINUX RESTART (2 CPU) 02:00:05 CPU %user %nice %system %iowait %steal %idle 02:10:05 all 0.27 0.00 0.09 0.01 0.03 99.60 02:10:05 0 0.45 0.00 0.06 0.02 0.02 99.46 02:10:05 1 0.09 0.00 0.12 0.01 0.04 99.75 02:20:01 all 0.38 0.00 0.11 0.28 0.02 99.21 02:20:01 0 0.43 0.00 0.10 0.07 0.02 99.38 02:20:01 1 0.33 0.00 0.11 0.50 0.03 99.04 02:30:05 all 0.28 0.00 0.18 0.01 0.02 99.50 02:30:05 0 0.20 0.00 0.18 0.01 0.02 99.58 02:30:05 1 0.37 0.00 0.18 0.01 0.02 99.42 02:40:06 all 0.27 0.00 0.08 0.01 0.02 99.62 02:40:06 0 0.13 0.00 0.08 0.01 0.02 99.75 02:40:06 1 0.41 0.00 0.08 0.01 0.03 99.49 02:50:01 all 0.29 0.00 0.08 0.01 0.02 99.60 02:50:01 0 0.52 0.00 0.07 0.01 0.02 99.38 02:50:01 1 0.05 0.00 0.09 0.01 0.03 99.82 03:00:07 all 0.29 0.00 0.19 0.01 0.02 99.49 03:00:07 0 0.45 0.00 0.18 0.01 0.02 99.33 03:00:07 1 0.12 0.00 0.20 0.01 0.02 99.65 Average: all 0.30 0.00 0.12 0.05 0.02 99.50 Average: 0 0.36 0.00 0.11 0.02 0.02 99.48 Average: 1 0.23 0.00 0.13 0.09 0.03 99.53