---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33082 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 770 5188 4 2274 7171 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:ca:f4:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.248/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82024sec preferred_lft 82024sec inet6 fe80::f816:3eff:feca:f4ee/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-33082) 07/05/26 _x86_64_ (2 CPU) 01:47:20 LINUX RESTART (2 CPU) 01:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:04 1.61 0.05 1.54 0.01 3.39 19.28 436.42 02:10:01 1.21 0.01 1.20 0.00 0.05 14.72 0.12 02:20:05 1.32 0.00 1.32 0.00 0.01 15.66 0.12 02:30:05 14.18 0.00 1.63 12.54 0.15 19.30 109628.70 02:40:01 1.90 0.25 1.64 0.01 31.18 76.17 0.13 02:50:06 1.36 0.00 1.36 0.00 1.04 16.12 0.05 03:00:06 30.44 3.07 23.36 4.02 231.84 3718.40 3138.24 Average: 7.43 0.48 4.58 2.37 38.19 553.93 16162.93 01:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:04 6271588 7523000 297516 3.66 30620 1426412 528924 5.76 447620 1187480 176 02:10:01 6272096 7524028 296480 3.65 30800 1426744 528924 5.76 447672 1187992 124 02:20:05 6271184 7523604 296868 3.65 30976 1427056 529076 5.76 447760 1188480 184 02:30:05 6283612 7536612 283772 3.49 31152 1427444 529156 5.76 447828 1189016 188 02:40:01 6239512 7519632 300236 3.69 31484 1453868 729160 7.94 462432 1207008 124 02:50:06 6239512 7520580 299300 3.68 31648 1454636 530372 5.78 457668 1207500 200 03:00:06 5337220 7365992 410476 5.05 90104 2107252 663900 7.23 651236 1871912 30056 Average: 6130675 7501921 312093 3.84 39541 1531916 577073 6.29 480317 1291341 4436 01:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:04 ens3 1.30 0.11 0.15 0.04 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 0.59 0.04 0.07 0.01 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 1.48 0.04 7.41 0.01 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 0.58 0.05 0.82 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.67 0.24 3.26 0.05 0.00 0.00 0.00 0.00 02:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 0.50 0.22 0.11 0.51 0.00 0.00 0.00 0.00 03:00:06 lo 1.39 1.39 0.09 0.09 0.00 0.00 0.00 0.00 03:00:06 ens3 132.45 107.15 358.70 35.50 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 19.64 15.40 52.91 5.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33082) 07/05/26 _x86_64_ (2 CPU) 01:47:20 LINUX RESTART (2 CPU) 01:50:04 CPU %user %nice %system %iowait %steal %idle 02:00:04 all 0.31 0.00 0.17 0.01 0.03 99.47 02:00:04 0 0.14 0.00 0.18 0.01 0.04 99.63 02:00:04 1 0.47 0.00 0.17 0.02 0.03 99.30 02:10:01 all 0.26 0.00 0.07 1.29 0.04 98.34 02:10:01 0 0.05 0.00 0.08 2.57 0.04 97.25 02:10:01 1 0.47 0.00 0.06 0.01 0.03 99.44 02:20:05 all 0.22 0.00 0.07 0.02 0.03 99.65 02:20:05 0 0.05 0.00 0.09 0.03 0.04 99.80 02:20:05 1 0.39 0.00 0.06 0.01 0.03 99.51 02:30:05 all 0.26 0.00 0.18 0.06 0.03 99.48 02:30:05 0 0.41 0.00 0.16 0.04 0.03 99.37 02:30:05 1 0.11 0.00 0.20 0.07 0.04 99.59 02:40:01 all 0.41 0.00 0.11 0.09 0.03 99.36 02:40:01 0 0.27 0.00 0.08 0.03 0.03 99.59 02:40:01 1 0.55 0.00 0.14 0.15 0.03 99.13 02:50:06 all 0.23 0.00 0.08 0.10 0.03 99.57 02:50:06 0 0.08 0.00 0.08 0.03 0.03 99.78 02:50:06 1 0.38 0.00 0.07 0.17 0.03 99.35 03:00:06 all 21.89 0.00 2.51 1.75 0.08 73.77 03:00:06 0 23.21 0.00 2.45 1.52 0.08 72.73 03:00:06 1 20.56 0.00 2.57 1.98 0.08 74.81 Average: all 3.36 0.00 0.46 0.47 0.04 95.68 Average: 0 3.45 0.00 0.44 0.60 0.04 95.46 Average: 1 3.26 0.00 0.47 0.34 0.04 95.89