---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20182 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 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 761 5216 4 2255 7180 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:48:c0:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80326sec preferred_lft 80326sec inet6 fe80::f816:3eff:fe48:c0db/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-20182) 05/26/26 _x86_64_ (2 CPU) 00:46:09 LINUX RESTART (2 CPU) 00:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:40 1.67 0.02 1.63 0.02 1.20 19.87 844.56 01:10:01 1.39 0.01 1.37 0.01 0.06 16.37 1.03 01:20:14 1.44 0.00 1.42 0.02 0.01 16.67 1.29 01:30:36 1.54 0.00 1.51 0.03 0.00 18.17 841.98 01:40:01 2.03 0.27 1.73 0.03 34.04 79.69 1.33 01:50:10 14.35 0.40 1.58 12.38 15.69 49.18 107461.52 02:00:06 24.25 2.65 19.30 2.30 214.27 3416.09 515.90 02:10:01 1.20 0.00 1.20 0.00 0.00 14.67 0.00 02:20:46 1.49 0.00 1.48 0.00 0.00 17.61 0.02 Average: 5.47 0.37 3.45 1.66 28.99 400.80 12320.41 00:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:40 6287244 7533936 286520 3.52 30612 1421756 530588 5.78 445500 1183408 164 01:10:01 6287272 7534456 286004 3.52 30804 1422056 530588 5.78 445496 1183900 240 01:20:14 6294860 7542624 277828 3.42 31020 1422412 530680 5.78 446164 1184472 168 01:30:36 6294140 7542444 277992 3.42 31224 1422736 530684 5.78 445904 1185000 128 01:40:01 6242392 7517816 302200 3.72 31600 1449128 530924 5.78 455668 1202692 128 01:50:10 6236692 7527384 292240 3.59 31948 1463960 544896 5.93 479740 1216192 216 02:00:06 5210908 7403500 364184 4.48 86664 2266584 624756 6.80 586824 2029380 236 02:10:01 5210908 7403964 363716 4.47 86788 2266936 624776 6.81 586680 2029848 276 02:20:46 5216480 7410072 357484 4.40 86936 2267324 679916 7.41 592144 2030388 124 Average: 5920100 7490688 312019 3.84 49733 1711432 569756 6.21 498236 1471698 187 00:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:40 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:40 ens3 0.89 0.07 0.10 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 0.50 0.04 0.09 0.03 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 0.53 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:30:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:36 ens3 0.37 0.05 0.09 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 0.76 0.41 3.42 0.57 0.00 0.00 0.00 0.00 01:50:10 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:10 ens3 7.31 4.47 19.60 2.55 0.00 0.00 0.00 0.00 02:00:06 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:06 ens3 57.92 39.92 297.58 8.60 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.53 0.22 0.21 0.03 0.00 0.00 0.00 0.00 02:20:46 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:46 ens3 0.60 0.21 0.09 0.03 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 7.76 5.01 35.33 1.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20182) 05/26/26 _x86_64_ (2 CPU) 00:46:09 LINUX RESTART (2 CPU) 00:50:21 CPU %user %nice %system %iowait %steal %idle 01:00:40 all 0.28 0.00 0.19 0.06 0.02 99.45 01:00:40 0 0.37 0.00 0.18 0.10 0.01 99.33 01:00:40 1 0.20 0.00 0.20 0.02 0.02 99.56 01:10:01 all 0.26 0.00 0.09 0.01 0.02 99.61 01:10:01 0 0.13 0.00 0.11 0.01 0.02 99.73 01:10:01 1 0.40 0.00 0.08 0.01 0.02 99.50 01:20:14 all 0.31 0.00 0.10 0.01 0.02 99.56 01:20:14 0 0.25 0.00 0.07 0.00 0.01 99.66 01:20:14 1 0.38 0.00 0.12 0.02 0.02 99.46 01:30:36 all 0.32 0.00 0.18 0.03 0.02 99.45 01:30:36 0 0.36 0.00 0.16 0.03 0.02 99.42 01:30:36 1 0.27 0.00 0.19 0.02 0.03 99.49 01:40:01 all 0.40 0.00 0.11 0.02 0.02 99.45 01:40:01 0 0.53 0.00 0.10 0.01 0.02 99.34 01:40:01 1 0.27 0.00 0.11 0.04 0.03 99.55 01:50:10 all 0.57 0.00 0.12 0.04 0.02 99.25 01:50:10 0 0.39 0.00 0.14 0.02 0.02 99.42 01:50:10 1 0.76 0.00 0.10 0.05 0.02 99.08 02:00:06 all 11.75 0.00 1.82 0.56 0.06 85.81 02:00:06 0 10.54 0.00 1.78 0.57 0.07 87.04 02:00:06 1 12.96 0.00 1.86 0.54 0.06 84.58 02:10:01 all 0.40 0.00 0.13 0.01 0.05 99.41 02:10:01 0 0.52 0.00 0.08 0.01 0.03 99.37 02:10:01 1 0.29 0.00 0.18 0.01 0.08 99.44 02:20:46 all 0.39 0.00 0.13 0.36 0.18 98.93 02:20:46 0 0.42 0.00 0.11 0.11 0.20 99.16 02:20:46 1 0.37 0.00 0.15 0.62 0.16 98.71 Average: all 1.62 0.00 0.32 0.12 0.05 97.89 Average: 0 1.49 0.00 0.30 0.10 0.05 98.07 Average: 1 1.75 0.00 0.33 0.15 0.05 97.72