---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25991 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 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 771 5187 4 2274 7170 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:00:d7:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81507sec preferred_lft 81507sec inet6 fe80::f816:3eff:fe00:d7e3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25991) 06/09/26 _x86_64_ (2 CPU) 00:41:56 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 1.34 0.01 1.32 0.02 0.05 16.52 654.15 01:10:10 1.78 0.25 1.50 0.03 31.50 72.85 1.40 01:20:00 1.28 0.00 1.27 0.01 0.01 15.00 0.37 01:30:00 1.53 0.00 1.52 0.01 0.00 18.00 435.69 01:40:10 1.38 0.06 1.32 0.00 3.27 18.35 0.00 01:50:00 37.96 3.00 18.94 16.03 228.23 3524.79 108801.38 02:00:01 1.53 0.00 1.51 0.02 0.00 24.01 0.29 Average: 6.60 0.47 3.87 2.26 37.11 518.75 15436.50 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6308336 7559656 260792 3.21 30728 1426420 528032 5.75 446616 1187596 164 01:10:10 6246272 7524688 295360 3.63 31112 1452772 529736 5.77 455744 1205256 180 01:20:00 6253832 7532744 287268 3.53 31280 1453100 529736 5.77 456312 1205744 184 01:30:00 6254568 7534000 285904 3.52 31460 1453432 529948 5.77 456252 1206236 160 01:40:10 6250476 7532484 287428 3.53 31644 1455780 532988 5.81 460600 1208100 212 01:50:00 5144468 7351456 415640 5.11 86740 2280628 669244 7.29 631672 2043024 164 02:00:01 5101256 7310244 456640 5.61 86884 2282532 692016 7.54 646272 2045024 164 Average: 5937030 7477896 327005 4.02 47121 1686381 573100 6.24 507638 1442997 175 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.77 0.10 0.22 0.04 0.00 0.00 0.00 0.00 01:10:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:10 ens3 0.55 0.22 3.10 0.05 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.53 0.08 0.14 0.06 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.33 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:10 ens3 1.71 0.84 2.23 0.85 0.00 0.00 0.00 0.00 01:50:00 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:00 ens3 67.82 46.49 332.96 11.44 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 11.06 9.67 107.02 0.95 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.67 8.10 62.91 1.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25991) 06/09/26 _x86_64_ (2 CPU) 00:41:56 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.31 0.00 0.17 0.01 0.05 99.46 01:00:00 0 0.49 0.00 0.16 0.01 0.03 99.31 01:00:00 1 0.13 0.00 0.18 0.02 0.06 99.61 01:10:10 all 0.35 0.00 0.10 0.03 0.04 99.48 01:10:10 0 0.41 0.00 0.07 0.02 0.03 99.47 01:10:10 1 0.30 0.00 0.12 0.04 0.05 99.49 01:20:00 all 0.25 0.00 0.08 0.01 0.04 99.62 01:20:00 0 0.06 0.00 0.09 0.01 0.05 99.78 01:20:00 1 0.45 0.00 0.06 0.01 0.03 99.45 01:30:00 all 0.29 0.00 0.15 0.01 0.05 99.50 01:30:00 0 0.06 0.00 0.17 0.00 0.05 99.71 01:30:00 1 0.51 0.00 0.14 0.02 0.04 99.30 01:40:10 all 0.28 0.00 0.07 0.01 0.04 99.61 01:40:10 0 0.34 0.00 0.07 0.00 0.04 99.55 01:40:10 1 0.21 0.00 0.06 0.02 0.04 99.66 01:50:00 all 12.09 0.00 1.79 0.67 0.10 85.35 01:50:00 0 17.42 0.00 2.24 0.88 0.12 79.34 01:50:00 1 6.76 0.00 1.35 0.46 0.08 91.34 02:00:01 all 0.86 0.00 0.30 0.01 0.10 98.73 02:00:01 0 0.91 0.00 0.33 0.01 0.12 98.63 02:00:01 1 0.81 0.00 0.27 0.02 0.08 98.83 Average: all 2.03 0.00 0.37 0.11 0.06 97.43 Average: 0 2.77 0.00 0.44 0.13 0.06 96.59 Average: 1 1.29 0.00 0.31 0.08 0.05 98.26