---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11859 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 774 5210 4 2254 7167 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:21:48:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80629sec preferred_lft 80629sec inet6 fe80::f816:3eff:fe21:480c/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-11859) 05/08/26 _x86_64_ (2 CPU) 00:36:31 LINUX RESTART (2 CPU) 00:40:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.36 0.03 1.33 0.00 1.26 15.63 0.12 01:00:13 1.57 0.01 1.54 0.02 0.05 18.31 428.96 01:10:04 1.30 0.00 1.29 0.02 0.00 14.95 1.22 01:20:01 1.35 0.00 1.33 0.02 0.01 15.60 1.09 01:30:13 1.58 0.00 1.55 0.03 0.00 18.59 428.63 01:40:13 28.81 13.80 2.34 12.67 183.29 103.05 109210.30 01:50:01 1.75 0.41 1.35 0.00 16.10 47.55 0.00 02:00:13 21.81 2.71 16.92 2.17 211.76 3051.62 586.88 02:10:13 1.57 0.00 1.55 0.01 0.00 24.83 0.16 Average: 6.83 1.89 3.28 1.66 46.24 374.15 12296.29 00:40:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6281752 7532456 288088 3.54 30616 1425744 533520 5.81 449220 1187204 180 01:00:13 6291648 7542960 277560 3.41 30840 1426076 533520 5.81 449428 1187796 124 01:10:04 6291408 7543256 277296 3.41 31048 1426400 533544 5.81 449804 1188328 188 01:20:01 6291156 7543556 276984 3.41 31264 1426724 533672 5.81 453296 1188868 240 01:30:13 6275340 7528316 292240 3.59 31496 1427056 533672 5.81 453140 1189432 124 01:40:13 6176908 7513684 297268 3.66 35868 1497784 533824 5.81 463168 1254684 176 01:50:01 6139204 7491204 319488 3.93 36172 1512464 573640 6.25 501872 1268160 368 02:00:13 5168836 7349604 412708 5.07 89548 2246684 665240 7.25 627164 2011388 252 02:10:13 5152856 7335632 426772 5.25 89672 2248580 673888 7.34 627784 2013404 124 Average: 6007679 7486741 318712 3.92 45169 1626390 568280 6.19 497208 1387696 197 00:40:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.13 0.09 0.15 0.06 0.00 0.00 0.00 0.00 01:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:13 ens3 0.48 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.43 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.48 0.21 0.11 0.54 0.00 0.00 0.00 0.00 01:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 0.29 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:13 ens3 0.59 0.24 3.19 0.07 0.00 0.00 0.00 0.00 01:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 10.19 6.36 24.17 2.81 0.00 0.00 0.00 0.00 02:00:13 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:13 ens3 57.34 40.23 285.85 8.77 0.00 0.00 0.00 0.00 02:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:13 ens3 12.48 11.69 107.24 1.06 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 9.37 6.62 47.32 1.50 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11859) 05/08/26 _x86_64_ (2 CPU) 00:36:31 LINUX RESTART (2 CPU) 00:40:12 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.27 0.00 0.08 0.01 0.02 99.62 00:50:01 0 0.47 0.00 0.06 0.01 0.02 99.45 00:50:01 1 0.08 0.00 0.10 0.01 0.03 99.79 01:00:13 all 0.31 0.00 0.16 0.01 0.02 99.50 01:00:13 0 0.52 0.00 0.13 0.01 0.02 99.32 01:00:13 1 0.10 0.00 0.19 0.00 0.03 99.67 01:10:04 all 0.24 0.00 0.08 0.01 0.02 99.66 01:10:04 0 0.42 0.00 0.06 0.01 0.02 99.49 01:10:04 1 0.05 0.00 0.09 0.01 0.03 99.82 01:20:01 all 0.30 0.00 0.08 0.04 0.03 99.56 01:20:01 0 0.49 0.00 0.06 0.01 0.02 99.43 01:20:01 1 0.12 0.00 0.10 0.06 0.03 99.69 01:30:13 all 0.25 0.00 0.16 0.01 0.02 99.56 01:30:13 0 0.25 0.00 0.17 0.02 0.02 99.54 01:30:13 1 0.26 0.00 0.14 0.01 0.02 99.57 01:40:13 all 0.36 0.17 0.17 0.16 0.02 99.11 01:40:13 0 0.19 0.32 0.22 0.24 0.03 99.00 01:40:13 1 0.53 0.02 0.13 0.09 0.02 99.21 01:50:01 all 0.52 0.00 0.11 0.01 0.02 99.33 01:50:01 0 0.42 0.00 0.11 0.01 0.03 99.44 01:50:01 1 0.62 0.00 0.11 0.02 0.02 99.23 02:00:13 all 10.52 0.00 1.73 0.50 0.06 87.19 02:00:13 0 10.63 0.00 1.80 0.51 0.06 87.00 02:00:13 1 10.42 0.00 1.65 0.49 0.06 87.38 02:10:13 all 0.93 0.00 0.24 0.01 0.05 98.78 02:10:13 0 1.03 0.00 0.27 0.00 0.05 98.65 02:10:13 1 0.83 0.00 0.21 0.01 0.04 98.91 Average: all 1.54 0.02 0.31 0.09 0.03 98.01 Average: 0 1.62 0.04 0.32 0.09 0.03 97.90 Average: 1 1.47 0.00 0.31 0.08 0.03 98.12