---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33858 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 795 5072 4 2367 7146 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:a9:b9:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.6/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81084sec preferred_lft 81084sec inet6 fe80::f816:3eff:fea9:b952/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33858) 07/08/26 _x86_64_ (2 CPU) 00:35:38 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:10 1.31 0.02 1.28 0.00 1.22 15.66 0.12 01:00:10 1.57 0.01 1.54 0.03 0.05 19.21 654.99 01:10:01 1.32 0.00 1.31 0.02 0.00 15.78 1.10 01:20:08 1.42 0.00 1.40 0.02 0.01 16.68 1.19 01:30:11 1.60 0.00 1.57 0.03 0.00 19.16 652.50 01:40:01 1.94 0.26 1.66 0.03 32.52 77.59 1.20 01:50:11 14.19 0.40 1.44 12.35 15.74 47.98 107493.16 02:00:10 23.87 2.62 18.94 2.31 215.22 3570.73 569.45 Average: 5.92 0.41 3.64 1.87 33.00 471.86 13847.05 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:10 6298928 7545440 274676 3.38 30580 1421816 530232 5.78 445040 1183324 168 01:00:10 6298512 7545576 274552 3.38 30808 1422148 530292 5.78 445488 1183872 232 01:10:01 6304532 7552136 268000 3.30 31012 1422472 530448 5.78 445600 1184412 240 01:20:08 6302788 7550948 269212 3.31 31232 1422800 530636 5.78 446216 1184960 144 01:30:11 6291468 7540184 279984 3.44 31444 1423140 530628 5.78 446072 1185504 152 01:40:01 6255820 7532152 287508 3.54 31812 1450020 530628 5.78 455404 1203556 284 01:50:11 6200360 7491980 327304 4.02 32120 1464760 571376 6.22 503268 1217060 276 02:00:10 5089140 7340552 407408 5.01 87704 2322088 692172 7.54 636344 2085556 1940 Average: 6130194 7512371 298580 3.67 38339 1543656 555802 6.05 477929 1303530 430 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:10 ens3 1.04 0.07 0.15 0.06 0.00 0.00 0.00 0.00 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 0.45 0.06 0.07 0.03 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 0.40 0.05 0.10 0.03 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.50 0.15 0.12 0.54 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 0.26 0.05 0.06 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.86 0.41 3.36 0.08 0.00 0.00 0.00 0.00 01:50:11 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:11 ens3 13.00 6.86 23.57 2.80 0.00 0.00 0.00 0.00 02:00:10 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:00:10 ens3 71.89 55.54 327.29 12.59 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 11.05 7.90 44.29 2.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33858) 07/08/26 _x86_64_ (2 CPU) 00:35:38 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:10 all 0.29 0.00 0.08 0.01 0.04 99.59 00:50:10 0 0.09 0.00 0.09 0.01 0.04 99.78 00:50:10 1 0.49 0.00 0.06 0.02 0.03 99.40 01:00:10 all 0.26 0.00 0.17 0.01 0.03 99.53 01:00:10 0 0.11 0.00 0.17 0.01 0.03 99.67 01:00:10 1 0.40 0.00 0.17 0.01 0.03 99.39 01:10:01 all 0.24 0.00 0.08 0.01 0.03 99.64 01:10:01 0 0.28 0.00 0.07 0.01 0.03 99.60 01:10:01 1 0.19 0.00 0.08 0.01 0.04 99.69 01:20:08 all 0.23 0.00 0.07 0.01 0.04 99.65 01:20:08 0 0.19 0.00 0.08 0.00 0.04 99.68 01:20:08 1 0.26 0.00 0.06 0.01 0.03 99.62 01:30:11 all 0.25 0.00 0.16 0.01 0.03 99.55 01:30:11 0 0.44 0.00 0.14 0.00 0.02 99.39 01:30:11 1 0.06 0.00 0.17 0.02 0.04 99.71 01:40:01 all 0.36 0.00 0.09 0.02 0.03 99.50 01:40:01 0 0.45 0.00 0.05 0.01 0.02 99.47 01:40:01 1 0.27 0.00 0.13 0.03 0.04 99.52 01:50:11 all 0.48 0.00 0.12 0.04 0.03 99.34 01:50:11 0 0.63 0.00 0.14 0.06 0.02 99.15 01:50:11 1 0.33 0.00 0.09 0.01 0.05 99.52 02:00:10 all 16.99 0.00 1.89 0.57 0.07 80.49 02:00:10 0 18.60 0.00 2.01 0.63 0.07 78.68 02:00:10 1 15.37 0.00 1.76 0.51 0.07 82.29 Average: all 2.38 0.00 0.33 0.08 0.04 97.17 Average: 0 2.59 0.00 0.34 0.09 0.03 96.94 Average: 1 2.17 0.00 0.31 0.08 0.04 97.40