---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36530 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: 5600.00 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 22% / 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 772 5089 4 2373 7169 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:8e:d3:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80997sec preferred_lft 80997sec inet6 fe80::f816:3eff:fe8e:d35a/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-36530) 07/17/26 _x86_64_ (2 CPU) 00:37:26 LINUX RESTART (2 CPU) 00:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:14 1.28 0.02 1.24 0.01 1.24 15.43 0.72 01:00:01 1.47 0.01 1.44 0.03 0.05 18.12 446.89 01:10:00 1.75 0.26 1.47 0.02 32.06 75.03 1.13 01:20:14 1.38 0.00 1.37 0.00 0.01 16.45 0.05 01:30:01 1.54 0.00 1.53 0.01 0.00 18.67 445.34 01:40:15 1.33 0.00 1.33 0.00 0.00 16.08 0.00 01:50:15 25.04 2.85 19.87 2.32 225.56 3575.44 1088.32 02:00:01 1.54 0.00 1.52 0.02 0.00 70.21 0.29 Average: 4.43 0.39 3.73 0.30 32.47 477.02 246.17 00:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:14 6285360 7531892 288448 3.55 30600 1421836 520524 5.67 444308 1183428 176 01:00:01 6288888 7535992 284284 3.50 30820 1422172 520556 5.67 444400 1183980 192 01:10:00 6252440 7527012 292808 3.60 31192 1448928 720360 7.85 455644 1202112 124 01:20:14 6252192 7527356 292484 3.60 31368 1449332 520748 5.67 450812 1202612 164 01:30:01 6267208 7542936 276832 3.40 31552 1449672 520916 5.67 450880 1203136 124 01:40:15 6281880 7558228 261532 3.22 31712 1450128 521068 5.68 451256 1203624 240 01:50:15 5160316 7383788 382324 4.70 87616 2295532 660740 7.20 621748 2059356 452 02:00:01 5138312 7376804 389176 4.79 87760 2310436 662432 7.22 623888 2074368 816 Average: 5990824 7498001 308486 3.79 45328 1656004 580918 6.33 492867 1414077 286 00:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:14 ens3 1.57 0.09 0.20 0.06 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.50 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:10:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 1.38 0.64 3.43 0.17 0.00 0.00 0.00 0.00 01:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:14 ens3 0.48 0.20 0.10 0.62 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 0.29 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:15 ens3 0.41 0.12 0.13 0.08 0.00 0.00 0.00 0.00 01:50:15 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:15 ens3 90.09 62.46 329.55 13.21 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 45.90 42.75 10.20 5.80 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 17.49 13.21 43.08 2.49 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36530) 07/17/26 _x86_64_ (2 CPU) 00:37:26 LINUX RESTART (2 CPU) 00:40:14 CPU %user %nice %system %iowait %steal %idle 00:50:14 all 0.27 0.00 0.09 0.02 0.03 99.59 00:50:14 0 0.36 0.00 0.08 0.01 0.02 99.53 00:50:14 1 0.18 0.00 0.11 0.02 0.04 99.65 01:00:01 all 0.29 0.00 0.17 0.01 0.03 99.50 01:00:01 0 0.39 0.00 0.15 0.01 0.02 99.42 01:00:01 1 0.19 0.00 0.18 0.01 0.04 99.58 01:10:00 all 0.39 0.00 0.11 0.02 0.03 99.45 01:10:00 0 0.35 0.00 0.09 0.02 0.03 99.52 01:10:00 1 0.42 0.00 0.13 0.03 0.04 99.39 01:20:14 all 0.22 0.00 0.07 0.01 0.03 99.67 01:20:14 0 0.30 0.00 0.05 0.02 0.02 99.61 01:20:14 1 0.14 0.00 0.10 0.01 0.03 99.72 01:30:01 all 0.26 0.00 0.16 0.01 0.03 99.54 01:30:01 0 0.46 0.00 0.12 0.01 0.02 99.40 01:30:01 1 0.07 0.00 0.20 0.01 0.04 99.68 01:40:15 all 0.22 0.00 0.07 0.01 0.02 99.69 01:40:15 0 0.38 0.00 0.04 0.01 0.01 99.56 01:40:15 1 0.05 0.00 0.09 0.01 0.04 99.81 01:50:15 all 14.99 0.00 1.92 0.63 0.07 82.39 01:50:15 0 19.17 0.00 2.26 0.82 0.08 77.67 01:50:15 1 10.82 0.00 1.58 0.44 0.06 87.10 02:00:01 all 6.46 0.00 0.64 0.01 0.08 92.81 02:00:01 0 6.03 0.00 0.57 0.01 0.07 93.32 02:00:01 1 6.89 0.00 0.71 0.01 0.08 92.30 Average: all 2.87 0.00 0.40 0.09 0.04 96.60 Average: 0 3.41 0.00 0.42 0.11 0.03 96.03 Average: 1 2.33 0.00 0.39 0.07 0.05 97.17