---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11578 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 773 5270 4 2186 7168 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:c8:91:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81356sec preferred_lft 81356sec inet6 fe80::f816:3eff:fec8:91a0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11578) 05/07/26 _x86_64_ (2 CPU) 01:48:54 LINUX RESTART (2 CPU) 01:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:06 2.07 0.28 1.76 0.03 32.55 77.82 440.49 02:10:01 1.41 0.01 1.38 0.01 1.12 16.43 0.78 02:20:07 1.35 0.00 1.34 0.02 0.01 16.10 1.19 02:30:09 1.58 0.00 1.54 0.04 0.00 19.68 218.66 02:40:01 14.08 0.00 1.36 12.72 0.15 16.50 110531.77 02:50:07 1.79 0.40 1.37 0.02 15.67 47.79 1.19 03:00:10 22.34 2.76 17.36 2.22 216.17 3130.29 1296.85 03:10:11 1.28 0.00 1.28 0.00 0.00 21.50 0.08 Average: 5.73 0.43 3.43 1.86 33.31 419.95 13889.39 01:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:06 6230352 7502856 317216 3.90 30908 1446928 729564 7.95 467512 1200448 244 02:10:01 6238584 7511940 308208 3.79 31120 1447564 535148 5.83 462376 1200984 160 02:20:07 6261320 7535232 284908 3.50 31340 1447896 535380 5.83 463772 1201532 220 02:30:09 6251844 7526352 293764 3.61 31576 1448224 535412 5.83 464120 1202100 180 02:40:01 6272912 7548140 271856 3.34 31788 1448728 562788 6.13 459168 1202660 276 02:50:07 6218312 7508608 311048 3.82 32132 1463392 580060 6.32 499792 1216140 268 03:00:10 5247628 7367408 404076 4.97 86124 2197580 668004 7.28 620560 1959948 196 03:10:11 5225340 7347136 424420 5.22 86252 2199452 690816 7.52 635368 1961964 168 Average: 5993286 7480959 326937 4.02 45155 1637470 604646 6.59 509084 1393222 214 01:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:06 ens3 1.45 0.24 3.28 0.05 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 0.34 0.06 0.05 0.02 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 0.73 0.12 4.54 0.10 0.00 0.00 0.00 0.00 02:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.59 0.13 0.20 0.12 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.46 0.20 0.09 0.65 0.00 0.00 0.00 0.00 02:50:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:07 ens3 11.02 4.58 19.86 2.17 0.00 0.00 0.00 0.00 03:00:10 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:10 ens3 62.30 43.40 294.24 9.50 0.00 0.00 0.00 0.00 03:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:11 ens3 13.29 12.24 107.06 1.09 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 11.32 7.65 53.89 1.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11578) 05/07/26 _x86_64_ (2 CPU) 01:48:54 LINUX RESTART (2 CPU) 01:50:12 CPU %user %nice %system %iowait %steal %idle 02:00:06 all 0.39 0.00 0.21 0.05 0.03 99.32 02:00:06 0 0.27 0.00 0.17 0.02 0.03 99.51 02:00:06 1 0.52 0.00 0.24 0.07 0.03 99.14 02:10:01 all 0.26 0.00 0.08 0.01 0.03 99.62 02:10:01 0 0.46 0.00 0.06 0.02 0.02 99.44 02:10:01 1 0.06 0.00 0.09 0.01 0.04 99.80 02:20:07 all 0.26 0.00 0.07 0.03 0.02 99.61 02:20:07 0 0.35 0.00 0.07 0.05 0.02 99.52 02:20:07 1 0.18 0.00 0.08 0.01 0.03 99.71 02:30:09 all 0.31 0.00 0.18 0.09 0.02 99.40 02:30:09 0 0.36 0.00 0.19 0.15 0.02 99.28 02:30:09 1 0.25 0.00 0.17 0.03 0.02 99.52 02:40:01 all 0.28 0.00 0.08 0.13 0.02 99.49 02:40:01 0 0.41 0.00 0.07 0.08 0.02 99.42 02:40:01 1 0.14 0.00 0.09 0.19 0.02 99.55 02:50:07 all 0.52 0.00 0.10 0.07 0.02 99.29 02:50:07 0 0.34 0.00 0.12 0.12 0.03 99.39 02:50:07 1 0.69 0.00 0.09 0.02 0.02 99.19 03:00:10 all 10.94 0.00 1.80 0.59 0.06 86.62 03:00:10 0 11.11 0.00 1.96 0.65 0.05 86.23 03:00:10 1 10.77 0.00 1.64 0.53 0.06 87.00 03:10:11 all 0.81 0.00 0.21 0.01 0.04 98.92 03:10:11 0 0.97 0.00 0.23 0.01 0.04 98.74 03:10:11 1 0.65 0.00 0.20 0.01 0.04 99.09 Average: all 1.72 0.00 0.34 0.12 0.03 97.78 Average: 0 1.79 0.00 0.36 0.14 0.03 97.69 Average: 1 1.66 0.00 0.33 0.11 0.03 97.87