---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-52999 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 768 5276 4 2185 7173 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:7b:f2:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81805sec preferred_lft 81805sec inet6 fe80::f816:3eff:fe7b:f2c7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-52999) 03/26/26 _x86_64_ (2 CPU) 01:47:41 LINUX RESTART (2 CPU) 01:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 2.22 0.35 1.85 0.03 41.09 76.54 444.88 02:10:01 1.36 0.01 1.34 0.01 0.05 15.68 0.96 02:20:13 1.37 0.00 1.35 0.02 0.01 15.54 1.18 02:30:01 1.54 0.00 1.51 0.03 0.00 17.83 667.40 02:40:02 1.37 0.00 1.36 0.02 0.00 15.74 1.20 02:50:13 13.75 0.00 1.42 12.32 0.14 16.45 107035.02 03:00:01 22.80 3.08 17.41 2.31 232.61 3158.32 809.95 Average: 6.33 0.48 3.70 2.14 38.43 465.53 15907.03 01:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6230388 7509616 310132 3.81 30832 1453628 726992 7.92 464076 1203796 156 02:10:01 6230388 7510160 309584 3.81 31040 1453956 726992 7.92 464272 1204332 156 02:20:13 6244864 7525176 294540 3.62 31252 1454288 727060 7.92 464288 1204864 184 02:30:01 6237100 7517964 301732 3.71 31456 1454612 727060 7.92 464496 1205404 280 02:40:02 6237100 7518524 301164 3.70 31676 1454944 727284 7.92 464660 1205956 204 02:50:13 6244440 7526592 293060 3.60 31884 1455444 727348 7.92 465196 1206508 208 03:00:01 5320152 7431884 339580 4.18 85180 2190624 783804 8.54 581464 1949428 2508 Average: 6106347 7505702 307113 3.78 39046 1559642 735220 8.01 481207 1311470 528 01:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.53 0.49 3.19 0.07 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.43 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:13 ens3 0.48 0.07 3.28 0.04 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.20 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:02 ens3 0.33 0.09 0.11 0.06 0.00 0.00 0.00 0.00 02:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:13 ens3 0.38 0.20 0.08 0.53 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.10 0.10 0.00 0.00 0.00 0.00 03:00:01 ens3 60.04 40.40 303.06 10.75 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 8.90 5.80 43.49 1.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-52999) 03/26/26 _x86_64_ (2 CPU) 01:47:41 LINUX RESTART (2 CPU) 01:50:13 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.41 0.00 0.22 0.51 0.03 98.84 02:00:01 0 0.25 0.00 0.23 0.97 0.03 98.53 02:00:01 1 0.56 0.00 0.21 0.05 0.03 99.15 02:10:01 all 0.25 0.00 0.07 0.01 0.03 99.64 02:10:01 0 0.13 0.00 0.08 0.01 0.03 99.75 02:10:01 1 0.37 0.00 0.06 0.01 0.03 99.52 02:20:13 all 0.26 0.00 0.07 0.01 0.03 99.62 02:20:13 0 0.35 0.00 0.06 0.00 0.03 99.56 02:20:13 1 0.18 0.00 0.08 0.02 0.04 99.68 02:30:01 all 0.24 0.00 0.16 0.01 0.03 99.55 02:30:01 0 0.37 0.00 0.15 0.02 0.03 99.43 02:30:01 1 0.12 0.00 0.17 0.01 0.04 99.67 02:40:02 all 0.28 0.00 0.07 0.08 0.03 99.55 02:40:02 0 0.50 0.00 0.04 0.12 0.02 99.32 02:40:02 1 0.07 0.00 0.10 0.03 0.04 99.77 02:50:13 all 0.23 0.00 0.08 0.03 0.03 99.63 02:50:13 0 0.39 0.00 0.07 0.02 0.02 99.50 02:50:13 1 0.06 0.00 0.10 0.05 0.03 99.76 03:00:01 all 11.07 0.00 1.78 0.57 0.04 86.54 03:00:01 0 12.92 0.00 1.94 0.61 0.04 84.49 03:00:01 1 9.22 0.00 1.61 0.54 0.04 88.58 Average: all 1.79 0.00 0.34 0.17 0.03 97.66 Average: 0 2.10 0.00 0.36 0.24 0.03 97.27 Average: 1 1.49 0.00 0.33 0.10 0.03 98.05