---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29886 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 749 5308 4 2172 7192 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:b6:97:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82005sec preferred_lft 82005sec inet6 fe80::f816:3eff:feb6:97c7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29886) 03/25/26 _x86_64_ (2 CPU) 00:39:17 LINUX RESTART (2 CPU) 00:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:03 2.38 0.35 2.00 0.03 40.61 85.07 219.13 01:00:03 1.72 0.01 1.68 0.03 1.11 20.21 1.15 01:10:02 1.30 0.00 1.28 0.02 0.00 14.98 1.20 01:20:03 13.97 0.00 1.43 12.53 0.16 16.68 108969.97 01:30:03 1.69 0.00 1.65 0.04 0.00 20.26 437.09 01:40:03 1.34 0.00 1.32 0.02 0.00 15.45 1.20 01:50:04 23.82 3.02 18.56 2.24 227.57 3122.99 836.33 Average: 6.61 0.48 3.99 2.13 38.51 471.21 15806.49 00:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:03 6241496 7516584 303176 3.73 30704 1449740 724888 7.90 471144 1199608 208 01:00:03 6261008 7537008 282900 3.48 30932 1450384 527820 5.75 465648 1200168 180 01:10:02 6268596 7545140 274764 3.38 31140 1450712 527996 5.75 465948 1200704 204 01:20:03 6273780 7550932 268916 3.31 31368 1451080 528188 5.75 466296 1201264 216 01:30:03 6252140 7530020 289724 3.56 31632 1451532 528216 5.75 466448 1201844 168 01:40:03 6252140 7530576 289184 3.56 31832 1451864 528216 5.75 466636 1202392 248 01:50:04 5354112 7462208 309496 3.81 85272 2186976 551972 6.01 552252 1945388 2436 Average: 6129039 7524638 288309 3.55 38983 1556041 559614 6.10 479196 1307338 523 00:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:03 ens3 2.80 0.39 3.51 0.14 0.00 0.00 0.00 0.00 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.74 0.07 0.10 0.03 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 0.39 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.50 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.43 0.06 0.08 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 0.38 0.07 0.11 0.05 0.00 0.00 0.00 0.00 01:50:04 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:04 ens3 59.03 41.25 296.49 11.21 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 9.19 6.00 42.97 1.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29886) 03/25/26 _x86_64_ (2 CPU) 00:39:17 LINUX RESTART (2 CPU) 00:40:04 CPU %user %nice %system %iowait %steal %idle 00:50:03 all 0.43 0.00 0.20 0.13 0.03 99.21 00:50:03 0 0.34 0.00 0.18 0.06 0.03 99.39 00:50:03 1 0.53 0.00 0.21 0.20 0.04 99.03 01:00:03 all 0.28 0.00 0.16 0.05 0.03 99.49 01:00:03 0 0.31 0.00 0.15 0.08 0.02 99.43 01:00:03 1 0.24 0.00 0.17 0.01 0.03 99.55 01:10:02 all 0.27 0.00 0.07 0.03 0.03 99.61 01:10:02 0 0.28 0.00 0.06 0.05 0.03 99.59 01:10:02 1 0.26 0.00 0.07 0.01 0.03 99.63 01:20:03 all 0.25 0.00 0.08 0.07 0.03 99.57 01:20:03 0 0.07 0.00 0.10 0.11 0.04 99.69 01:20:03 1 0.43 0.00 0.06 0.02 0.03 99.45 01:30:03 all 0.29 0.00 0.17 0.04 0.03 99.46 01:30:03 0 0.33 0.00 0.17 0.02 0.03 99.46 01:30:03 1 0.25 0.00 0.18 0.07 0.04 99.46 01:40:03 all 0.27 0.00 0.07 0.03 0.03 99.60 01:40:03 0 0.05 0.00 0.08 0.01 0.04 99.82 01:40:03 1 0.48 0.00 0.05 0.06 0.03 99.38 01:50:04 all 10.42 0.00 1.63 1.34 0.05 86.57 01:50:04 0 11.33 0.00 1.71 1.30 0.05 85.61 01:50:04 1 9.50 0.00 1.55 1.37 0.06 87.52 Average: all 1.74 0.00 0.34 0.24 0.03 97.64 Average: 0 1.82 0.00 0.35 0.23 0.03 97.57 Average: 1 1.67 0.00 0.33 0.25 0.04 97.72