---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29648 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 744 5226 4 2263 7197 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:08:15:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81759sec preferred_lft 81759sec inet6 fe80::f816:3eff:fe08:1507/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29648) 06/23/26 _x86_64_ (2 CPU) 00:40:39 LINUX RESTART (2 CPU) 00:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.32 0.01 1.30 0.02 0.05 16.25 442.97 01:10:10 13.61 0.00 1.24 12.36 0.14 15.37 107506.52 01:20:11 1.77 0.25 1.49 0.03 30.98 74.81 1.33 01:30:01 1.39 0.00 1.36 0.03 0.00 16.87 443.44 01:40:03 1.16 0.00 1.14 0.02 0.00 14.35 1.21 01:50:10 1.65 0.40 1.25 0.00 15.65 46.35 0.36 Average: 3.52 0.11 1.30 2.11 7.84 30.72 18343.56 00:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6297052 7544312 276668 3.40 30708 1422252 526548 5.74 437688 1183600 288 01:10:10 6305084 7552956 267956 3.29 30928 1422620 526548 5.74 437948 1184168 216 01:20:11 6252832 7527724 292684 3.60 31324 1448896 724408 7.89 452844 1202076 164 01:30:01 6253344 7528960 291308 3.58 31540 1449352 724420 7.89 452848 1202620 164 01:40:03 6253344 7529488 290796 3.58 31736 1449676 724532 7.89 461084 1203140 196 01:50:10 6213584 7504964 315052 3.87 32060 1464384 763956 8.32 501788 1216644 276 Average: 6262540 7531401 289077 3.55 31383 1442863 665069 7.24 457367 1198708 217 00:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.52 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:10 ens3 0.58 0.05 2.28 0.03 0.00 0.00 0.00 0.00 01:20:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 1.16 0.51 3.43 0.09 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.46 0.20 0.12 0.54 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 8.63 4.61 23.38 2.57 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 1.96 0.92 4.94 0.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29648) 06/23/26 _x86_64_ (2 CPU) 00:40:39 LINUX RESTART (2 CPU) 00:50:10 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.32 0.00 0.16 0.02 0.03 99.48 01:00:01 0 0.39 0.00 0.15 0.00 0.03 99.43 01:00:01 1 0.25 0.00 0.17 0.03 0.03 99.52 01:10:10 all 0.23 0.00 0.09 0.04 0.02 99.61 01:10:10 0 0.29 0.00 0.08 0.02 0.02 99.58 01:10:10 1 0.17 0.00 0.10 0.06 0.02 99.64 01:20:11 all 0.38 0.00 0.10 0.05 0.03 99.45 01:20:11 0 0.44 0.00 0.11 0.07 0.02 99.36 01:20:11 1 0.32 0.00 0.09 0.03 0.03 99.53 01:30:01 all 0.28 0.00 0.16 0.02 0.03 99.52 01:30:01 0 0.30 0.00 0.16 0.03 0.03 99.49 01:30:01 1 0.26 0.00 0.15 0.01 0.03 99.55 01:40:03 all 0.27 0.00 0.07 0.03 0.02 99.60 01:40:03 0 0.43 0.00 0.06 0.02 0.02 99.47 01:40:03 1 0.10 0.00 0.09 0.04 0.03 99.73 01:50:10 all 0.53 0.00 0.10 0.03 0.02 99.32 01:50:10 0 0.79 0.00 0.10 0.03 0.02 99.06 01:50:10 1 0.27 0.00 0.11 0.03 0.03 99.57 Average: all 0.34 0.00 0.11 0.03 0.02 99.50 Average: 0 0.44 0.00 0.11 0.03 0.02 99.40 Average: 1 0.23 0.00 0.12 0.03 0.03 99.59