---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37268 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 8.0G 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 767 5186 4 2281 7174 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:46:a5:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.220/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81940sec preferred_lft 81940sec inet6 fe80::f816:3eff:fe46:a524/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37268) 07/20/26 _x86_64_ (2 CPU) 00:42:43 LINUX RESTART (2 CPU) 00:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:13 1.49 0.01 1.46 0.02 0.05 17.65 654.15 01:10:01 1.29 0.03 1.25 0.02 2.19 14.80 1.15 01:20:13 1.28 0.00 1.26 0.02 0.01 14.86 1.07 01:30:13 13.98 0.00 1.41 12.57 0.15 17.77 109830.62 01:40:01 1.69 0.26 1.41 0.03 31.60 75.88 1.29 01:50:10 1.78 0.40 1.37 0.01 16.57 47.41 0.76 Average: 3.59 0.12 1.36 2.11 8.37 31.29 18426.36 00:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:13 6283340 7529368 290756 3.58 30668 1421236 523400 5.70 446824 1183532 212 01:10:01 6273732 7520928 299200 3.68 30856 1422208 523536 5.70 447520 1184136 228 01:20:13 6273228 7520980 299108 3.68 31084 1422532 523600 5.70 447972 1184684 204 01:30:13 6282976 7531344 288636 3.55 31304 1422908 524044 5.71 448424 1185260 216 01:40:01 6238676 7514464 305040 3.75 31676 1449604 724292 7.89 462952 1203432 236 01:50:10 6228480 7519660 299504 3.68 32004 1464568 541208 5.89 484720 1216892 212 Average: 6263405 7522791 297041 3.65 31265 1433843 560013 6.10 456402 1192989 218 00:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:13 ens3 0.56 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 1.06 0.07 9.79 0.04 0.00 0.00 0.00 0.00 01:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:13 ens3 0.49 0.09 0.25 0.05 0.00 0.00 0.00 0.00 01:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 0.38 0.15 0.07 0.44 0.00 0.00 0.00 0.00 01:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 1.07 0.53 3.39 0.09 0.00 0.00 0.00 0.00 01:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:10 ens3 11.92 5.51 19.82 2.69 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 2.61 1.08 5.58 0.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37268) 07/20/26 _x86_64_ (2 CPU) 00:42:43 LINUX RESTART (2 CPU) 00:50:13 CPU %user %nice %system %iowait %steal %idle 01:00:13 all 0.30 0.00 0.16 0.01 0.03 99.50 01:00:13 0 0.25 0.00 0.16 0.01 0.03 99.55 01:00:13 1 0.35 0.00 0.16 0.01 0.03 99.45 01:10:01 all 0.29 0.00 0.08 0.01 0.03 99.59 01:10:01 0 0.33 0.00 0.08 0.01 0.04 99.54 01:10:01 1 0.24 0.00 0.08 0.01 0.03 99.64 01:20:13 all 0.22 0.00 0.07 0.01 0.03 99.67 01:20:13 0 0.38 0.00 0.07 0.00 0.02 99.53 01:20:13 1 0.06 0.00 0.08 0.01 0.04 99.80 01:30:13 all 0.28 0.00 0.18 0.03 0.03 99.48 01:30:13 0 0.38 0.00 0.16 0.00 0.03 99.43 01:30:13 1 0.18 0.00 0.19 0.06 0.04 99.54 01:40:01 all 0.36 0.00 0.09 0.02 0.03 99.50 01:40:01 0 0.45 0.00 0.10 0.01 0.03 99.41 01:40:01 1 0.28 0.00 0.08 0.03 0.03 99.58 01:50:10 all 0.50 0.00 0.09 0.01 0.03 99.37 01:50:10 0 0.62 0.00 0.09 0.02 0.02 99.25 01:50:10 1 0.37 0.00 0.10 0.01 0.04 99.49 Average: all 0.32 0.00 0.11 0.01 0.03 99.52 Average: 0 0.40 0.00 0.11 0.01 0.03 99.45 Average: 1 0.25 0.00 0.12 0.02 0.03 99.58