---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-17280 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 782 5184 4 2266 7159 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:fb:68:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81908sec preferred_lft 81908sec inet6 fe80::f816:3eff:fefb:68bb/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-17280) 05/21/26 _x86_64_ (2 CPU) 01:09:13 LINUX RESTART (2 CPU) 01:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:44 1.40 0.03 1.36 0.01 1.21 16.62 205.94 01:30:44 1.50 0.01 1.47 0.03 0.05 17.93 437.10 01:40:14 1.69 0.26 1.40 0.03 32.60 68.32 1.45 01:50:14 1.33 0.01 1.33 0.00 1.05 22.77 0.05 02:00:44 1.31 0.00 1.30 0.01 0.00 16.55 414.95 02:10:04 14.61 0.00 1.16 13.44 0.16 14.80 116915.28 02:20:44 22.63 3.00 17.50 2.12 218.53 3192.36 504.90 Average: 6.38 0.50 3.78 2.11 37.76 504.12 15684.55 01:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:44 6292284 7542992 277624 3.41 30648 1425660 532616 5.80 448176 1187364 164 01:30:44 6302184 7553444 267152 3.28 30856 1425996 532712 5.80 448300 1187908 160 01:40:14 6246348 7524300 295780 3.64 31236 1451964 727672 7.93 463168 1205492 2376 01:50:14 6252892 7531660 288472 3.55 31400 1452600 532860 5.80 457828 1205980 172 02:00:44 6248764 7528104 292024 3.59 31584 1452964 532952 5.80 457956 1206528 160 02:10:04 6248512 7528492 291620 3.59 31744 1453440 533076 5.81 458660 1207000 312 02:20:44 5190052 7388764 378940 4.66 87284 2272104 656812 7.15 619128 2035272 208 Average: 6111577 7513965 298802 3.67 39250 1562104 578386 6.30 479031 1319363 507 01:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:44 ens3 1.87 0.08 0.25 0.06 0.00 0.00 0.00 0.00 01:30:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:44 ens3 0.51 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:40:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:14 ens3 0.65 0.27 3.34 0.05 0.00 0.00 0.00 0.00 01:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:14 ens3 0.23 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:00:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:44 ens3 0.21 0.05 0.06 0.03 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 0.37 0.15 0.09 0.49 0.00 0.00 0.00 0.00 02:20:44 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:20:44 ens3 45.20 30.36 292.21 7.97 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.38 4.68 44.67 1.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17280) 05/21/26 _x86_64_ (2 CPU) 01:09:13 LINUX RESTART (2 CPU) 01:10:07 CPU %user %nice %system %iowait %steal %idle 01:20:44 all 0.36 0.00 0.16 0.01 0.04 99.43 01:20:44 0 0.36 0.00 0.15 0.02 0.04 99.42 01:20:44 1 0.35 0.00 0.17 0.01 0.04 99.43 01:30:44 all 0.29 0.00 0.15 0.01 0.05 99.49 01:30:44 0 0.09 0.00 0.17 0.02 0.06 99.66 01:30:44 1 0.50 0.00 0.14 0.01 0.03 99.33 01:40:14 all 0.36 0.00 0.10 0.02 0.04 99.48 01:40:14 0 0.07 0.00 0.08 0.01 0.04 99.80 01:40:14 1 0.66 0.00 0.11 0.04 0.04 99.15 01:50:14 all 0.25 0.00 0.07 0.01 0.05 99.63 01:50:14 0 0.20 0.00 0.08 0.01 0.05 99.67 01:50:14 1 0.30 0.00 0.06 0.01 0.04 99.58 02:00:44 all 0.23 0.00 0.14 0.01 0.04 99.57 02:00:44 0 0.11 0.00 0.14 0.02 0.05 99.68 02:00:44 1 0.35 0.00 0.15 0.01 0.04 99.45 02:10:04 all 0.26 0.00 0.07 0.03 0.04 99.59 02:10:04 0 0.07 0.00 0.08 0.01 0.05 99.80 02:10:04 1 0.45 0.00 0.07 0.06 0.03 99.39 02:20:44 all 11.37 0.00 1.57 0.51 0.07 86.48 02:20:44 0 10.30 0.00 1.61 0.32 0.07 87.69 02:20:44 1 12.44 0.00 1.53 0.70 0.06 85.28 Average: all 1.97 0.00 0.34 0.09 0.05 97.56 Average: 0 1.69 0.00 0.34 0.06 0.05 97.86 Average: 1 2.24 0.00 0.33 0.12 0.04 97.26