---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15634 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: 5600.00 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 781 5266 4 2182 7160 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:eb:21:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82451sec preferred_lft 82451sec inet6 fe80::f816:3eff:feeb:211b/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-15634) 05/16/26 _x86_64_ (2 CPU) 00:40:49 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 14.18 0.01 1.64 12.53 0.20 19.37 109506.81 01:10:11 1.89 0.25 1.61 0.03 31.50 73.82 1.40 01:20:01 1.34 0.00 1.34 0.00 0.01 15.28 0.24 01:30:11 1.61 0.02 1.58 0.01 2.11 19.18 642.37 01:40:11 2.84 1.31 1.52 0.01 95.85 109.12 0.25 Average: 4.37 0.32 1.54 2.51 25.96 47.45 21977.84 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6281212 7532016 288240 3.54 30764 1425840 529864 5.77 441920 1187668 288 01:10:11 6244784 7522624 297240 3.65 31164 1452124 531460 5.79 449012 1205276 140 01:20:01 6244784 7523120 296728 3.65 31316 1452460 531524 5.79 451040 1205764 280 01:30:11 6243228 7522764 297016 3.65 31512 1453436 533036 5.81 453240 1206368 280 01:40:11 5995332 7375476 438372 5.39 39256 1541272 654552 7.13 609292 1289276 42416 Average: 6201868 7495200 323519 3.98 32802 1465026 556087 6.06 480901 1218870 8681 00:50:01 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 0.58 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:10:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 0.64 0.24 3.87 0.05 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.64 0.14 0.37 0.10 0.00 0.00 0.00 0.00 01:30:11 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.38 0.20 0.08 0.67 0.00 0.00 0.00 0.00 01:40:11 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:11 ens3 20.32 10.65 51.08 4.23 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 4.50 2.25 11.07 1.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15634) 05/16/26 _x86_64_ (2 CPU) 00:40:49 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.17 0.03 0.03 99.48 01:00:01 0 0.29 0.00 0.18 0.04 0.03 99.46 01:00:01 1 0.29 0.00 0.17 0.02 0.04 99.50 01:10:11 all 0.39 0.00 0.09 0.02 0.03 99.47 01:10:11 0 0.15 0.00 0.08 0.01 0.04 99.72 01:10:11 1 0.62 0.00 0.11 0.03 0.03 99.21 01:20:01 all 0.25 0.00 0.07 0.01 0.03 99.64 01:20:01 0 0.12 0.00 0.08 0.00 0.04 99.76 01:20:01 1 0.38 0.00 0.06 0.02 0.03 99.52 01:30:11 all 0.31 0.00 0.16 0.01 0.04 99.48 01:30:11 0 0.38 0.00 0.15 0.02 0.03 99.42 01:30:11 1 0.24 0.00 0.18 0.01 0.04 99.54 01:40:11 all 0.99 0.00 0.21 0.04 0.03 98.73 01:40:11 0 0.83 0.00 0.15 0.04 0.02 98.96 01:40:11 1 1.16 0.00 0.26 0.04 0.04 98.50 Average: all 0.44 0.00 0.14 0.02 0.03 99.36 Average: 0 0.35 0.00 0.13 0.02 0.03 99.46 Average: 1 0.53 0.00 0.15 0.02 0.04 99.25