---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33084 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 762 5205 4 2265 7178 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:8f:30:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82165sec preferred_lft 82165sec inet6 fe80::f816:3eff:fe8f:309e/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-33084) 07/05/26 _x86_64_ (2 CPU) 01:47:19 LINUX RESTART (2 CPU) 01:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:04 1.49 0.03 1.44 0.02 1.24 18.40 872.96 02:10:01 13.85 0.01 1.24 12.60 0.20 15.42 109632.87 02:20:05 1.15 0.00 1.13 0.02 0.01 14.18 1.09 02:30:05 1.85 0.25 1.56 0.04 30.98 77.13 654.85 02:40:01 1.28 0.01 1.26 0.02 1.06 15.56 1.15 02:50:05 1.24 0.00 1.22 0.02 0.00 15.31 1.19 Average: 3.47 0.05 1.31 2.11 5.58 25.99 18447.49 01:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:04 6300100 7546912 274224 3.37 30596 1421872 521940 5.68 443300 1183260 232 02:10:01 6300100 7547504 273544 3.36 30812 1422268 520396 5.67 442120 1183824 128 02:20:05 6299176 7547108 273968 3.37 31016 1422588 520556 5.67 442188 1184348 184 02:30:05 6237964 7513108 307308 3.78 31424 1449020 727792 7.93 456788 1202416 288 02:40:01 6253364 7529348 291132 3.58 31612 1449656 520620 5.67 451568 1202936 124 02:50:05 6253364 7530036 290432 3.57 31836 1450116 520776 5.67 455060 1203488 232 Average: 6274011 7535669 285101 3.51 31216 1435920 555347 6.05 448504 1193379 198 01:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:04 ens3 1.27 0.06 0.14 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.60 0.05 0.08 0.02 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 1.47 0.04 7.42 0.01 0.00 0.00 0.00 0.00 02:30:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 1.19 0.46 3.99 0.04 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.45 0.08 0.09 0.03 0.00 0.00 0.00 0.00 02:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:05 ens3 0.50 0.22 0.11 0.45 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 0.91 0.15 1.98 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33084) 07/05/26 _x86_64_ (2 CPU) 01:47:19 LINUX RESTART (2 CPU) 01:50:04 CPU %user %nice %system %iowait %steal %idle 02:00:04 all 0.30 0.00 0.18 0.01 0.04 99.48 02:00:04 0 0.35 0.00 0.16 0.02 0.03 99.44 02:00:04 1 0.24 0.00 0.20 0.01 0.04 99.51 02:10:01 all 0.20 0.00 0.08 0.37 0.03 99.32 02:10:01 0 0.33 0.00 0.08 0.04 0.03 99.52 02:10:01 1 0.06 0.00 0.08 0.70 0.04 99.12 02:20:05 all 0.22 0.00 0.07 0.03 0.03 99.65 02:20:05 0 0.39 0.00 0.06 0.00 0.03 99.52 02:20:05 1 0.05 0.00 0.09 0.05 0.04 99.77 02:30:05 all 0.38 0.00 0.20 0.06 0.03 99.32 02:30:05 0 0.59 0.00 0.20 0.05 0.03 99.14 02:30:05 1 0.18 0.00 0.20 0.08 0.04 99.50 02:40:01 all 0.23 0.00 0.07 0.03 0.03 99.64 02:40:01 0 0.19 0.00 0.08 0.02 0.03 99.69 02:40:01 1 0.28 0.00 0.07 0.04 0.03 99.58 02:50:05 all 0.32 0.00 0.07 0.11 0.03 99.48 02:50:05 0 0.20 0.00 0.08 0.01 0.03 99.68 02:50:05 1 0.43 0.00 0.06 0.21 0.02 99.27 Average: all 0.27 0.00 0.11 0.10 0.03 99.48 Average: 0 0.34 0.00 0.11 0.02 0.03 99.50 Average: 1 0.21 0.00 0.12 0.18 0.04 99.46