---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15674 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 753 5298 4 2179 7188 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:59:28:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82228sec preferred_lft 82228sec inet6 fe80::f816:3eff:fe59:28b9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15674) 05/16/26 _x86_64_ (2 CPU) 01:47:44 LINUX RESTART (2 CPU) 01:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:05 1.47 0.03 1.42 0.02 1.24 18.08 654.52 02:10:05 1.24 0.01 1.22 0.01 0.05 14.93 1.08 02:20:05 1.27 0.00 1.26 0.02 0.01 15.36 1.21 02:30:05 1.89 0.25 1.60 0.04 30.97 68.52 655.04 02:40:05 1.46 0.01 1.44 0.02 1.05 23.97 1.27 02:50:05 14.35 0.38 1.42 12.56 14.65 47.84 109122.73 Average: 3.61 0.11 1.39 2.11 8.00 31.45 18406.02 01:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:05 6269752 7516284 303920 3.74 30588 1421840 526756 5.74 443724 1183168 236 02:10:05 6269752 7516828 303356 3.73 30792 1422172 526756 5.74 443756 1183716 188 02:20:05 6269080 7516708 303456 3.73 31012 1422500 528560 5.76 447440 1184264 224 02:30:05 6222076 7496428 323308 3.98 31396 1448484 723304 7.88 461912 1201868 2492 02:40:05 6241500 7516724 303024 3.73 31616 1449132 528664 5.76 457124 1202416 248 02:50:05 6221660 7511596 308016 3.79 31884 1463296 540616 5.89 474392 1215520 216 Average: 6248970 7512428 307513 3.78 31215 1437904 562443 6.13 454725 1195159 601 01:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 1.23 0.07 0.12 0.03 0.00 0.00 0.00 0.00 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 0.45 0.04 0.06 0.02 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 0.60 0.03 5.71 0.01 0.00 0.00 0.00 0.00 02:30:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 0.58 0.23 3.30 0.05 0.00 0.00 0.00 0.00 02:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 0.41 0.09 0.12 0.06 0.00 0.00 0.00 0.00 02:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:05 ens3 8.88 4.53 19.53 2.29 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 2.02 0.83 4.81 0.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15674) 05/16/26 _x86_64_ (2 CPU) 01:47:44 LINUX RESTART (2 CPU) 01:50:05 CPU %user %nice %system %iowait %steal %idle 02:00:05 all 0.26 0.00 0.16 0.01 0.04 99.52 02:00:05 0 0.21 0.00 0.17 0.01 0.04 99.56 02:00:05 1 0.32 0.00 0.16 0.01 0.04 99.47 02:10:05 all 0.24 0.00 0.07 0.01 0.04 99.64 02:10:05 0 0.16 0.00 0.08 0.02 0.05 99.71 02:10:05 1 0.33 0.00 0.06 0.01 0.04 99.57 02:20:05 all 0.28 0.00 0.06 0.01 0.04 99.61 02:20:05 0 0.46 0.00 0.05 0.02 0.04 99.43 02:20:05 1 0.09 0.00 0.08 0.01 0.05 99.78 02:30:05 all 0.39 0.00 0.18 0.02 0.04 99.37 02:30:05 0 0.58 0.00 0.16 0.01 0.04 99.22 02:30:05 1 0.20 0.00 0.20 0.04 0.05 99.52 02:40:05 all 0.26 0.00 0.07 0.01 0.04 99.61 02:40:05 0 0.35 0.00 0.06 0.02 0.04 99.53 02:40:05 1 0.18 0.00 0.08 0.00 0.04 99.69 02:50:05 all 0.47 0.00 0.10 0.03 0.04 99.36 02:50:05 0 0.49 0.00 0.12 0.06 0.04 99.30 02:50:05 1 0.45 0.00 0.07 0.01 0.05 99.42 Average: all 0.32 0.00 0.11 0.02 0.04 99.52 Average: 0 0.37 0.00 0.11 0.02 0.04 99.46 Average: 1 0.26 0.00 0.11 0.01 0.04 99.58