---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31758 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 750 5213 4 2271 7191 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:d5:dc:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82089sec preferred_lft 82089sec inet6 fe80::f816:3eff:fed5:dcdf/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-31758) 06/30/26 _x86_64_ (2 CPU) 01:46:41 LINUX RESTART (2 CPU) 01:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:15 1.56 0.02 1.52 0.02 1.24 18.45 436.87 02:10:15 1.89 0.26 1.60 0.03 31.03 75.80 1.27 02:20:15 1.41 0.00 1.39 0.01 0.01 16.33 0.84 02:30:06 1.60 0.03 1.56 0.01 2.18 18.74 442.80 02:40:15 1.33 0.00 1.33 0.00 0.00 16.13 0.00 02:50:15 14.02 0.00 1.47 12.55 0.15 17.65 109132.97 Average: 3.63 0.05 1.48 2.10 5.76 27.18 18334.62 01:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:15 6296044 7548020 272356 3.35 30620 1426944 521624 5.68 445316 1187344 232 02:10:15 6236280 7515364 304612 3.75 31004 1453304 720032 7.84 459860 1205336 188 02:20:15 6243868 7523484 296484 3.65 31204 1453632 720032 7.84 459916 1205864 136 02:30:06 6263748 7544564 275276 3.38 31400 1454596 720192 7.84 460608 1206464 252 02:40:15 6272648 7553964 265860 3.27 31572 1454928 720192 7.84 460656 1206960 236 02:50:15 6272716 7554724 265072 3.26 31740 1455428 720288 7.85 461184 1207480 132 Average: 6264217 7540020 279943 3.44 31257 1449805 687060 7.48 457923 1203241 196 01:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 0.99 0.08 0.11 0.04 0.00 0.00 0.00 0.00 02:10:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:15 ens3 0.60 0.23 3.19 0.03 0.00 0.00 0.00 0.00 02:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:15 ens3 1.66 0.06 9.69 0.02 0.00 0.00 0.00 0.00 02:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:06 ens3 0.41 0.07 0.57 0.02 0.00 0.00 0.00 0.00 02:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:15 ens3 0.32 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:15 ens3 0.35 0.09 0.10 0.05 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 0.72 0.10 2.29 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31758) 06/30/26 _x86_64_ (2 CPU) 01:46:41 LINUX RESTART (2 CPU) 01:50:15 CPU %user %nice %system %iowait %steal %idle 02:00:15 all 0.30 0.00 0.16 0.01 0.03 99.50 02:00:15 0 0.49 0.00 0.14 0.01 0.02 99.34 02:00:15 1 0.10 0.00 0.19 0.02 0.04 99.66 02:10:15 all 0.40 0.00 0.10 0.02 0.03 99.45 02:10:15 0 0.68 0.00 0.10 0.04 0.03 99.16 02:10:15 1 0.11 0.00 0.09 0.01 0.04 99.75 02:20:15 all 0.25 0.00 0.07 0.01 0.03 99.63 02:20:15 0 0.07 0.00 0.09 0.02 0.04 99.78 02:20:15 1 0.44 0.00 0.05 0.00 0.03 99.49 02:30:06 all 0.31 0.00 0.17 1.30 0.03 98.19 02:30:06 0 0.15 0.00 0.20 1.35 0.04 98.27 02:30:06 1 0.47 0.00 0.14 1.25 0.03 98.11 02:40:15 all 0.26 0.00 0.07 0.01 0.02 99.64 02:40:15 0 0.06 0.00 0.09 0.01 0.03 99.82 02:40:15 1 0.46 0.00 0.06 0.01 0.02 99.46 02:50:15 all 0.25 0.00 0.09 0.03 0.02 99.60 02:50:15 0 0.19 0.00 0.08 0.02 0.02 99.69 02:50:15 1 0.31 0.00 0.11 0.05 0.02 99.51 Average: all 0.29 0.00 0.11 0.23 0.03 99.34 Average: 0 0.27 0.00 0.11 0.24 0.03 99.35 Average: 1 0.31 0.00 0.11 0.22 0.03 99.33