---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19195 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 738 5326 4 2166 7203 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:f2:66:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82268sec preferred_lft 82268sec inet6 fe80::f816:3eff:fef2:66d2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19195) 05/23/26 _x86_64_ (2 CPU) 01:57:00 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:24 1.43 0.02 1.41 0.00 1.19 16.77 0.12 02:20:37 1.91 0.25 1.64 0.02 30.41 20.84 1.16 02:30:01 14.97 0.00 1.60 13.37 0.16 19.42 116622.87 02:40:24 1.36 0.00 1.35 0.02 0.00 15.78 1.15 02:50:24 1.37 0.00 1.35 0.02 0.00 15.96 1.20 03:00:01 1.58 0.00 1.56 0.03 0.00 18.91 454.44 Average: 3.64 0.05 1.48 2.11 5.40 17.91 18344.71 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:24 6287428 7539156 281260 3.46 30656 1426704 527704 5.75 445416 1187328 160 02:20:37 6271324 7533348 286880 3.53 31008 1436516 583568 6.36 459312 1188728 124 02:30:01 6265828 7528464 291600 3.59 31228 1436864 583664 6.36 459416 1189268 124 02:40:24 6271388 7534580 285468 3.51 31424 1437216 584116 6.36 459028 1189816 124 02:50:24 6270412 7534132 285880 3.52 31616 1437544 584116 6.36 459036 1190336 124 03:00:01 6264896 7529256 290724 3.57 31816 1437972 584292 6.36 459692 1190836 276 Average: 6271879 7533156 286969 3.53 31291 1435469 574577 6.26 456983 1189385 155 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:24 ens3 1.09 0.04 0.09 0.01 0.00 0.00 0.00 0.00 02:20:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:37 ens3 0.45 0.04 0.06 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 1.85 0.04 0.00 0.00 0.00 0.00 02:40:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:24 ens3 0.47 0.07 0.25 0.06 0.00 0.00 0.00 0.00 02:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:24 ens3 0.33 0.07 0.11 0.06 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.56 0.30 0.18 0.60 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 0.63 0.09 0.41 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19195) 05/23/26 _x86_64_ (2 CPU) 01:57:00 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:24 all 0.29 0.00 0.07 0.07 0.03 99.54 02:10:24 0 0.52 0.00 0.06 0.10 0.02 99.30 02:10:24 1 0.05 0.00 0.09 0.04 0.03 99.78 02:20:37 all 0.30 0.00 0.09 1.46 0.02 98.13 02:20:37 0 0.22 0.00 0.09 0.23 0.02 99.44 02:20:37 1 0.37 0.00 0.09 2.69 0.02 96.82 02:30:01 all 0.29 0.00 0.18 0.15 0.02 99.36 02:30:01 0 0.08 0.00 0.18 0.08 0.02 99.64 02:30:01 1 0.50 0.00 0.18 0.23 0.02 99.07 02:40:24 all 0.30 0.00 0.08 0.09 0.02 99.51 02:40:24 0 0.30 0.00 0.07 0.15 0.02 99.47 02:40:24 1 0.30 0.00 0.08 0.04 0.02 99.56 02:50:24 all 0.23 0.00 0.09 0.08 0.02 99.58 02:50:24 0 0.09 0.00 0.10 0.15 0.02 99.64 02:50:24 1 0.37 0.00 0.08 0.01 0.02 99.53 03:00:01 all 0.32 0.00 0.17 0.08 0.02 99.42 03:00:01 0 0.23 0.00 0.17 0.12 0.02 99.46 03:00:01 1 0.42 0.00 0.16 0.04 0.02 99.37 Average: all 0.29 0.00 0.11 0.33 0.02 99.25 Average: 0 0.24 0.00 0.11 0.14 0.02 99.49 Average: 1 0.33 0.00 0.11 0.51 0.02 99.02