---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11565 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 747 5235 4 2256 7194 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:cc:fd:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79958sec preferred_lft 79958sec inet6 fe80::f816:3eff:fecc:fd57/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11565) 05/07/26 _x86_64_ (2 CPU) 00:35:48 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:28 1.36 0.02 1.34 0.00 1.18 16.08 0.11 01:00:01 1.58 0.01 1.54 0.03 0.06 18.73 686.56 01:10:28 1.90 0.25 1.63 0.02 30.61 72.11 0.98 01:20:18 1.38 0.00 1.38 0.00 0.01 16.14 0.00 01:30:01 1.46 0.00 1.44 0.01 0.00 17.53 448.65 01:40:07 1.63 0.40 1.23 0.00 15.66 46.03 0.00 01:50:28 21.38 2.69 16.55 2.14 209.81 3030.87 681.44 02:00:01 15.58 0.00 1.51 14.07 0.15 20.09 111783.41 02:10:28 14.93 12.95 1.93 0.05 143.38 46.33 6.90 02:20:28 1.32 0.00 1.32 0.00 0.00 17.49 0.00 Average: 6.30 1.69 3.04 1.57 41.43 339.46 10805.62 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:28 6271844 7523056 297284 3.66 30632 1426212 538868 5.87 447500 1187412 188 01:00:01 6261560 7513340 307040 3.78 30852 1426544 539060 5.87 447872 1187964 128 01:10:28 6259236 7538012 281968 3.47 31240 1452792 539068 5.87 457144 1205524 132 01:20:18 6259128 7538408 281556 3.46 31412 1453116 539132 5.87 457480 1206020 132 01:30:01 6252336 7532132 287776 3.54 31576 1453448 539196 5.87 457528 1206516 124 01:40:07 6228884 7523840 295672 3.64 31864 1468248 554460 6.04 481872 1219948 248 01:50:28 5244296 7369000 402536 4.95 85780 2202820 668152 7.28 618424 1964080 124 02:00:01 5208640 7334264 437120 5.37 85884 2203612 679684 7.40 629912 1964948 244 02:10:28 5159768 7342196 420288 5.17 89000 2249128 667864 7.27 619192 2012972 128 02:20:28 5128368 7311952 450528 5.54 89132 2250160 680060 7.41 631476 2014128 444 Average: 5827406 7452620 346177 4.26 53737 1758608 594554 6.48 524840 1516951 189 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:28 ens3 1.03 0.08 0.15 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 0.44 0.08 0.08 0.04 0.00 0.00 0.00 0.00 01:10:28 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:28 ens3 0.65 0.23 3.03 0.05 0.00 0.00 0.00 0.00 01:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 0.45 0.07 0.12 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 0.33 0.12 0.07 0.59 0.00 0.00 0.00 0.00 01:40:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 8.84 5.56 19.75 2.72 0.00 0.00 0.00 0.00 01:50:28 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:28 ens3 61.16 46.06 351.18 9.32 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 12.46 11.24 188.13 0.76 0.00 0.00 0.00 0.00 02:10:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:28 ens3 14.21 13.60 191.41 0.92 0.00 0.00 0.00 0.00 02:20:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:28 ens3 15.46 14.46 219.95 1.05 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.68 9.28 98.19 1.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11565) 05/07/26 _x86_64_ (2 CPU) 00:35:48 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:28 all 0.27 0.00 0.08 0.01 0.02 99.63 00:50:28 0 0.22 0.00 0.09 0.01 0.02 99.66 00:50:28 1 0.31 0.00 0.07 0.01 0.01 99.59 01:00:01 all 0.28 0.00 0.18 0.01 0.01 99.52 01:00:01 0 0.48 0.00 0.19 0.02 0.01 99.29 01:00:01 1 0.08 0.00 0.16 0.01 0.02 99.74 01:10:28 all 0.35 0.00 0.10 0.02 0.02 99.51 01:10:28 0 0.43 0.00 0.11 0.04 0.01 99.40 01:10:28 1 0.27 0.00 0.10 0.01 0.02 99.61 01:20:18 all 0.27 0.00 0.07 0.01 0.02 99.63 01:20:18 0 0.48 0.00 0.05 0.02 0.01 99.44 01:20:18 1 0.06 0.00 0.09 0.00 0.02 99.83 01:30:01 all 0.30 0.00 0.16 0.01 0.02 99.51 01:30:01 0 0.52 0.00 0.15 0.02 0.02 99.30 01:30:01 1 0.08 0.00 0.17 0.00 0.02 99.73 01:40:07 all 0.47 0.00 0.09 0.01 0.01 99.41 01:40:07 0 0.63 0.00 0.08 0.01 0.01 99.27 01:40:07 1 0.32 0.00 0.11 0.01 0.02 99.55 01:50:28 all 10.62 0.00 1.71 0.55 0.05 87.08 01:50:28 0 11.53 0.00 1.75 0.36 0.04 86.32 01:50:28 1 9.70 0.00 1.66 0.73 0.05 87.85 02:00:01 all 0.56 0.00 0.28 0.05 0.04 99.07 02:00:01 0 0.55 0.00 0.29 0.04 0.04 99.07 02:00:01 1 0.56 0.00 0.28 0.06 0.03 99.06 02:10:28 all 0.60 0.23 0.28 0.82 0.06 98.01 02:10:28 0 0.50 0.04 0.21 0.09 0.09 99.07 02:10:28 1 0.69 0.42 0.35 1.54 0.04 96.96 02:20:28 all 0.58 0.00 0.19 0.06 0.03 99.14 02:20:28 0 0.64 0.00 0.18 0.04 0.03 99.10 02:20:28 1 0.52 0.00 0.20 0.08 0.03 99.17 Average: all 1.46 0.02 0.32 0.16 0.03 98.01 Average: 0 1.63 0.00 0.31 0.07 0.03 97.96 Average: 1 1.29 0.04 0.32 0.26 0.03 98.07