---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1011 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 8.0G 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 751 5210 4 2273 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:55:f8:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80575sec preferred_lft 80575sec inet6 fe80::f816:3eff:fe55:f8f2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1011) 08/01/26 _x86_64_ (2 CPU) 00:42:58 LINUX RESTART (2 CPU) 00:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:11 1.63 0.01 1.61 0.01 0.05 19.28 436.26 01:10:11 1.35 0.00 1.33 0.02 0.00 16.12 1.32 01:20:11 14.49 0.26 1.67 12.56 31.13 77.40 109186.90 01:30:11 1.47 0.01 1.44 0.03 1.05 17.49 436.95 01:40:11 1.26 0.00 1.25 0.01 0.00 14.93 1.08 01:50:11 14.30 1.62 11.75 0.93 116.60 2310.03 211.75 02:00:11 11.14 1.23 8.49 1.42 108.52 1193.23 290.64 02:10:11 1.23 0.00 1.23 0.00 0.00 15.32 0.00 Average: 5.86 0.39 3.60 1.87 32.17 457.97 13820.61 00:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:11 6284364 7531624 288748 3.55 30668 1422448 529032 5.76 445164 1183684 124 01:10:11 6283888 7531696 288672 3.55 30880 1422780 529032 5.76 445324 1184228 124 01:20:11 6251240 7526460 293348 3.61 31272 1449456 730028 7.95 460672 1202492 176 01:30:11 6268524 7544628 275148 3.38 31488 1450096 529408 5.77 455264 1203036 184 01:40:11 6272656 7549432 270348 3.32 31692 1450548 529416 5.77 455584 1203576 172 01:50:11 5445952 7385728 393924 4.84 72008 2039004 644844 7.02 596200 1815656 12616 02:00:11 5186192 7395100 371084 4.56 87656 2280952 633252 6.90 588628 2044524 216 02:10:11 5196364 7405780 360476 4.43 87788 2281328 633256 6.90 588748 2045032 224 Average: 5898648 7483806 317718 3.91 50432 1724576 594784 6.48 504448 1485278 1730 00:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 0.93 0.08 0.13 0.04 0.00 0.00 0.00 0.00 01:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 1.56 0.09 0.24 0.05 0.00 0.00 0.00 0.00 01:20:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 1.88 0.74 3.50 0.74 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.79 0.06 0.14 0.03 0.00 0.00 0.00 0.00 01:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:11 ens3 0.92 0.10 0.18 0.07 0.00 0.00 0.00 0.00 01:50:11 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 01:50:11 ens3 42.14 26.77 278.60 6.26 0.00 0.00 0.00 0.00 02:00:11 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:00:11 ens3 27.72 18.57 39.22 4.90 0.00 0.00 0.00 0.00 02:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 1.20 0.26 0.16 0.04 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 9.64 5.83 40.27 1.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1011) 08/01/26 _x86_64_ (2 CPU) 00:42:58 LINUX RESTART (2 CPU) 00:50:11 CPU %user %nice %system %iowait %steal %idle 01:00:11 all 0.31 0.00 0.17 0.01 0.03 99.48 01:00:11 0 0.51 0.00 0.14 0.01 0.02 99.31 01:00:11 1 0.11 0.00 0.20 0.01 0.04 99.64 01:10:11 all 0.29 0.00 0.08 0.01 0.02 99.60 01:10:11 0 0.08 0.00 0.09 0.01 0.02 99.80 01:10:11 1 0.51 0.00 0.07 0.01 0.02 99.40 01:20:11 all 0.40 0.00 0.12 0.04 0.02 99.43 01:20:11 0 0.29 0.00 0.15 0.06 0.02 99.48 01:20:11 1 0.50 0.00 0.08 0.02 0.02 99.38 01:30:11 all 0.27 0.00 0.15 0.02 0.02 99.54 01:30:11 0 0.06 0.00 0.14 0.01 0.02 99.76 01:30:11 1 0.48 0.00 0.16 0.02 0.02 99.33 01:40:11 all 0.25 0.00 0.06 0.01 0.02 99.67 01:40:11 0 0.42 0.00 0.04 0.01 0.01 99.52 01:40:11 1 0.07 0.00 0.08 0.01 0.02 99.81 01:50:11 all 6.21 0.00 0.89 0.32 0.03 92.55 01:50:11 0 1.32 0.00 0.46 0.30 0.02 97.89 01:50:11 1 11.11 0.00 1.32 0.34 0.04 87.21 02:00:11 all 6.03 0.00 0.97 0.19 0.05 92.77 02:00:11 0 4.02 0.00 0.82 0.10 0.05 95.02 02:00:11 1 8.03 0.00 1.13 0.27 0.05 90.52 02:10:11 all 0.40 0.00 0.11 0.01 0.03 99.44 02:10:11 0 0.55 0.00 0.06 0.00 0.02 99.37 02:10:11 1 0.25 0.00 0.17 0.01 0.05 99.52 Average: all 1.77 0.00 0.32 0.07 0.03 97.81 Average: 0 0.91 0.00 0.24 0.06 0.02 98.77 Average: 1 2.63 0.00 0.40 0.09 0.03 96.85