---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36564 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: 5599.94 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 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 776 5172 4 2285 7165 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:da:e0:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81577sec preferred_lft 81577sec inet6 fe80::f816:3eff:feda:e043/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36564) 07/17/26 _x86_64_ (2 CPU) 01:48:24 LINUX RESTART (2 CPU) 01:50:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:14 1.55 0.03 1.51 0.01 1.27 18.22 447.34 02:10:04 1.21 0.01 1.20 0.00 0.05 14.41 0.12 02:20:32 1.66 0.24 1.40 0.01 29.61 71.42 0.28 02:30:32 1.42 0.00 1.38 0.03 1.05 17.04 1.52 02:40:33 1.23 0.00 1.21 0.02 0.00 14.70 1.20 02:50:24 1.20 0.00 1.19 0.02 0.00 14.24 1.22 03:00:04 14.52 0.00 1.53 12.99 0.15 18.36 112882.67 Average: 3.21 0.04 1.35 1.82 4.81 24.46 15745.21 01:50:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:14 6290892 7537812 282608 3.48 30656 1422168 528168 5.75 440232 1183268 124 02:10:04 6305564 7552984 267436 3.29 30820 1422500 528200 5.75 441260 1183764 176 02:20:32 6250820 7525496 294424 3.62 31168 1449056 728188 7.93 455696 1201896 200 02:30:32 6267272 7542840 277016 3.41 31384 1449692 528436 5.76 450476 1202444 156 02:40:33 6267272 7543408 276440 3.40 31604 1450028 528436 5.76 450516 1203000 180 02:50:24 6272060 7548832 271008 3.33 31812 1450452 530200 5.77 450288 1203504 152 03:00:04 6267064 7544384 275360 3.39 31972 1450820 530328 5.78 450712 1204004 184 Average: 6274421 7542251 277756 3.42 31345 1442102 557422 6.07 448454 1197411 167 01:50:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:14 ens3 1.04 0.07 0.13 0.04 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 0.66 0.06 0.20 0.02 0.00 0.00 0.00 0.00 02:20:32 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:32 ens3 0.93 0.23 8.34 0.03 0.00 0.00 0.00 0.00 02:30:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:32 ens3 0.35 0.05 0.24 0.01 0.00 0.00 0.00 0.00 02:40:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:33 ens3 0.42 0.09 0.11 0.05 0.00 0.00 0.00 0.00 02:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:24 ens3 0.43 0.10 0.14 0.08 0.00 0.00 0.00 0.00 03:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:04 ens3 0.42 0.19 0.13 0.67 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.61 0.11 1.39 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36564) 07/17/26 _x86_64_ (2 CPU) 01:48:24 LINUX RESTART (2 CPU) 01:50:29 CPU %user %nice %system %iowait %steal %idle 02:00:14 all 0.29 0.00 0.16 0.01 0.03 99.51 02:00:14 0 0.46 0.00 0.14 0.01 0.02 99.36 02:00:14 1 0.11 0.00 0.18 0.01 0.03 99.66 02:10:04 all 0.28 0.00 0.08 0.01 0.02 99.61 02:10:04 0 0.35 0.00 0.08 0.01 0.02 99.54 02:10:04 1 0.21 0.00 0.08 0.01 0.02 99.68 02:20:32 all 0.34 0.00 0.10 0.03 0.02 99.50 02:20:32 0 0.25 0.00 0.13 0.03 0.02 99.57 02:20:32 1 0.43 0.00 0.07 0.04 0.02 99.43 02:30:32 all 0.26 0.00 0.16 0.01 0.02 99.54 02:30:32 0 0.14 0.00 0.17 0.01 0.02 99.65 02:30:32 1 0.39 0.00 0.15 0.01 0.02 99.43 02:40:33 all 0.25 0.00 0.07 0.01 0.02 99.65 02:40:33 0 0.21 0.00 0.08 0.02 0.02 99.68 02:40:33 1 0.29 0.00 0.06 0.01 0.02 99.62 02:50:24 all 0.29 0.00 0.07 0.01 0.02 99.61 02:50:24 0 0.11 0.00 0.08 0.00 0.02 99.78 02:50:24 1 0.48 0.00 0.06 0.02 0.02 99.43 03:00:04 all 0.31 0.00 0.18 0.03 0.02 99.45 03:00:04 0 0.26 0.00 0.16 0.02 0.02 99.55 03:00:04 1 0.36 0.00 0.21 0.05 0.02 99.36 Average: all 0.29 0.00 0.12 0.02 0.02 99.55 Average: 0 0.26 0.00 0.12 0.01 0.02 99.59 Average: 1 0.32 0.00 0.12 0.02 0.02 99.51