---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-65868 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 5210 4 2269 7190 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:66:cc:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81073sec preferred_lft 81073sec inet6 fe80::f816:3eff:fe66:cc0d/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-65868) 04/02/26 _x86_64_ (2 CPU) 00:43:51 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 2.21 0.32 1.85 0.03 39.07 69.44 872.49 01:10:01 1.35 0.00 1.33 0.02 0.00 22.04 1.20 01:20:01 14.02 0.01 1.46 12.56 0.16 16.64 109153.65 01:30:01 1.39 0.00 1.38 0.01 0.00 16.88 653.33 01:40:01 1.21 0.00 1.21 0.00 0.00 14.44 0.00 01:50:01 24.94 3.04 19.65 2.26 227.79 3092.17 628.12 02:00:01 1.93 0.00 1.90 0.02 0.48 101.44 0.43 02:10:01 1.38 0.00 1.38 0.00 0.35 98.55 0.03 Average: 6.05 0.42 3.77 1.86 33.48 428.94 13911.65 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6107528 7387584 432344 5.32 31056 1454272 727032 7.92 594992 1204176 2148 01:10:01 6258668 7539244 280816 3.45 31248 1454588 727132 7.92 464088 1204692 156 01:20:01 6252900 7534056 285944 3.52 31436 1454952 729908 7.95 468936 1205216 124 01:30:01 6242524 7524216 295668 3.64 31608 1455288 729940 7.95 468884 1205724 124 01:40:01 6242524 7524824 295076 3.63 31752 1455740 729940 7.95 469156 1206192 160 01:50:01 5347432 7460024 311596 3.83 85132 2191524 764936 8.33 555528 1949784 11428 02:00:01 5276848 7401116 370548 4.56 85264 2203152 859872 9.37 607748 1961552 172 02:10:01 5250084 7399468 372144 4.58 85404 2228088 854764 9.31 611420 1986532 712 Average: 5872314 7471316 330517 4.06 51612 1737200 765440 8.34 530094 1490484 1878 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.83 0.23 3.09 0.05 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.60 0.06 1.75 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.61 0.08 0.78 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.28 0.06 0.07 0.04 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.36 0.08 0.10 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 54.55 40.73 297.16 11.30 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 37.24 29.64 8.29 3.98 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 42.45 41.86 10.05 6.14 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 17.11 14.09 40.16 2.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65868) 04/02/26 _x86_64_ (2 CPU) 00:43:51 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.36 0.00 0.20 0.06 0.03 99.35 01:00:01 0 0.20 0.00 0.20 0.04 0.03 99.53 01:00:01 1 0.53 0.00 0.20 0.07 0.02 99.18 01:10:01 all 0.25 0.00 0.08 0.07 0.03 99.57 01:10:01 0 0.45 0.00 0.07 0.06 0.02 99.40 01:10:01 1 0.06 0.00 0.09 0.08 0.03 99.74 01:20:01 all 0.25 0.00 0.09 0.06 0.03 99.56 01:20:01 0 0.41 0.00 0.07 0.01 0.02 99.50 01:20:01 1 0.10 0.00 0.12 0.11 0.04 99.63 01:30:01 all 0.26 0.00 0.17 0.04 0.03 99.51 01:30:01 0 0.41 0.00 0.15 0.01 0.02 99.40 01:30:01 1 0.10 0.00 0.18 0.07 0.03 99.62 01:40:01 all 0.25 0.00 0.08 0.26 0.03 99.39 01:40:01 0 0.15 0.00 0.08 0.15 0.03 99.59 01:40:01 1 0.36 0.00 0.07 0.36 0.03 99.18 01:50:01 all 11.40 0.00 1.76 2.00 0.05 84.78 01:50:01 0 12.11 0.00 1.92 1.83 0.05 84.09 01:50:01 1 10.70 0.00 1.61 2.17 0.05 85.48 02:00:01 all 5.92 0.00 0.63 0.54 0.06 92.85 02:00:01 0 5.63 0.00 0.61 0.73 0.05 92.98 02:00:01 1 6.21 0.00 0.65 0.36 0.07 92.71 02:10:01 all 8.50 0.00 0.55 0.31 0.06 90.58 02:10:01 0 7.32 0.00 0.56 0.15 0.06 91.90 02:10:01 1 9.67 0.00 0.54 0.47 0.06 89.26 Average: all 3.39 0.00 0.44 0.42 0.04 95.71 Average: 0 3.32 0.00 0.46 0.37 0.04 95.81 Average: 1 3.46 0.00 0.43 0.46 0.04 95.61