---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32476 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 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 797 5072 4 2364 7144 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:d9:9d:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81287sec preferred_lft 81287sec inet6 fe80::f816:3eff:fed9:9d18/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32476) 07/03/26 _x86_64_ (2 CPU) 00:38:43 LINUX RESTART (2 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:24 13.47 0.03 1.35 12.10 1.34 16.65 105468.76 01:00:12 1.43 0.01 1.39 0.03 0.05 17.63 890.66 01:10:01 1.18 0.00 1.16 0.02 0.00 14.26 1.22 01:20:24 1.79 0.25 1.51 0.03 30.86 73.24 1.27 01:30:12 1.50 0.00 1.46 0.03 0.00 18.02 1.50 01:40:01 1.22 0.00 1.20 0.02 0.00 14.73 1.11 01:50:08 1.85 0.41 1.44 0.00 15.85 47.88 0.24 02:00:24 23.47 2.55 18.68 2.24 206.42 3462.28 515.93 Average: 5.85 0.41 3.57 1.86 32.54 468.10 13786.70 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:24 6267068 7517420 302880 3.72 30604 1425580 534364 5.82 454276 1187324 220 01:00:12 6275720 7526656 293568 3.61 30824 1425916 534416 5.82 454340 1187888 204 01:10:01 6275480 7526952 293264 3.61 31032 1426240 534708 5.82 455844 1188420 160 01:20:24 6235028 7513976 305828 3.76 31428 1452952 534772 5.82 465224 1206452 136 01:30:12 6229276 7508900 310872 3.82 31620 1453412 534780 5.82 465364 1206976 172 01:40:01 6229276 7509432 310328 3.82 31816 1453740 534844 5.83 465676 1207500 160 01:50:08 6203168 7498308 321140 3.95 32128 1468356 551060 6.00 489656 1220916 156 02:00:24 5087832 7336448 412020 5.07 87192 2319704 685340 7.46 639720 2083228 300 Average: 6100356 7492262 318738 3.92 38330 1553238 555536 6.05 486262 1311088 188 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:24 ens3 2.60 0.13 0.35 0.06 0.00 0.00 0.00 0.00 01:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:12 ens3 0.51 0.08 0.08 0.04 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 0.75 0.16 0.23 0.13 0.00 0.00 0.00 0.00 01:20:24 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:24 ens3 0.80 0.30 3.17 0.07 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 0.30 0.07 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 0.46 0.21 0.11 0.75 0.00 0.00 0.00 0.00 01:50:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:08 ens3 9.95 5.02 19.83 2.59 0.00 0.00 0.00 0.00 02:00:24 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 02:00:24 ens3 71.59 55.91 318.92 12.42 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 11.09 7.90 43.77 2.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32476) 07/03/26 _x86_64_ (2 CPU) 00:38:43 LINUX RESTART (2 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:24 all 0.31 0.00 0.11 0.03 0.02 99.54 00:50:24 0 0.16 0.00 0.12 0.05 0.02 99.65 00:50:24 1 0.46 0.00 0.09 0.01 0.02 99.42 01:00:12 all 0.31 0.00 0.19 0.01 0.02 99.48 01:00:12 0 0.51 0.00 0.18 0.01 0.02 99.28 01:00:12 1 0.10 0.00 0.19 0.01 0.03 99.67 01:10:01 all 0.28 0.00 0.08 0.01 0.02 99.61 01:10:01 0 0.43 0.00 0.07 0.01 0.02 99.47 01:10:01 1 0.14 0.00 0.09 0.01 0.03 99.75 01:20:24 all 0.37 0.00 0.10 0.02 0.02 99.48 01:20:24 0 0.53 0.00 0.08 0.02 0.02 99.35 01:20:24 1 0.22 0.00 0.13 0.02 0.02 99.62 01:30:12 all 0.26 0.00 0.17 0.01 0.02 99.54 01:30:12 0 0.14 0.00 0.17 0.02 0.02 99.65 01:30:12 1 0.39 0.00 0.16 0.00 0.02 99.43 01:40:01 all 0.22 0.00 0.07 0.01 0.02 99.68 01:40:01 0 0.12 0.00 0.09 0.01 0.03 99.76 01:40:01 1 0.32 0.00 0.05 0.00 0.02 99.61 01:50:08 all 0.48 0.00 0.09 0.01 0.02 99.39 01:50:08 0 0.69 0.00 0.08 0.01 0.01 99.20 01:50:08 1 0.27 0.00 0.11 0.01 0.03 99.58 02:00:24 all 16.68 0.00 1.91 0.49 0.06 80.87 02:00:24 0 21.29 0.00 2.03 0.44 0.06 76.18 02:00:24 1 12.06 0.00 1.78 0.54 0.06 85.56 Average: all 2.41 0.00 0.34 0.07 0.03 97.15 Average: 0 3.04 0.00 0.36 0.07 0.02 96.51 Average: 1 1.78 0.00 0.33 0.08 0.03 97.79