---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7322 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 8.1G 30G 22% / 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 769 4931 4 2540 7172 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:c3:e3:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 6641sec preferred_lft 6641sec inet6 fe80::f816:3eff:fec3:e3dd/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-7322) 04/25/26 _x86_64_ (2 CPU) 00:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.68 0.02 1.65 0.02 0.83 19.89 222.04 00:20:01 1.86 0.11 1.71 0.04 3.05 24.68 751.92 00:30:16 1.64 0.00 1.61 0.03 0.00 18.42 422.26 00:40:01 23.83 3.08 18.48 2.26 231.33 3144.86 496.61 00:50:01 1.71 0.00 1.69 0.01 0.48 60.08 1.08 01:00:06 1.86 0.00 1.82 0.03 0.00 21.00 1.65 01:10:01 1.70 0.00 1.68 0.03 0.00 169.39 2.27 01:20:01 1.72 0.00 1.69 0.02 0.00 289.89 3.75 Average: 4.44 0.39 3.75 0.30 28.84 460.12 237.56 00:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6101120 7498476 310276 3.82 54204 1539304 537492 5.85 476532 1308468 356 00:20:01 6145124 7504876 303648 3.73 54368 1501468 590456 6.43 480620 1270448 156 00:30:16 6137064 7497336 311220 3.83 54520 1501828 535376 5.83 475452 1270960 296 00:40:01 5224508 7414264 346548 4.26 103572 2241508 572568 6.24 562788 2014580 11440 00:50:01 4970200 7160772 600324 7.38 103668 2242348 825988 9.00 790200 2015516 128 01:00:06 4601468 6792684 968324 11.91 103752 2242912 920700 10.03 867056 2016164 308 01:10:01 4972240 7209516 551392 6.78 103888 2288704 811508 8.84 758996 2062092 680 01:20:01 4786396 7106708 652916 8.03 104028 2370456 923112 10.05 870816 2143856 240 Average: 5367265 7273079 505581 6.22 85250 1991066 714650 7.78 660308 1762760 1700 00:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.24 0.09 0.07 0.04 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.36 0.11 0.10 0.05 0.00 0.00 0.00 0.00 00:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:16 ens3 0.60 0.12 0.17 0.09 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 61.17 42.85 306.78 11.70 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 33.07 29.15 498.58 2.73 0.00 0.00 0.00 0.00 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 81.86 77.83 1343.79 5.13 0.00 0.00 0.00 0.00 01:10:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 24.45 21.59 380.14 1.49 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 6.09 5.15 85.16 0.48 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 25.93 22.10 327.85 2.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7322) 04/25/26 _x86_64_ (2 CPU) 00:00:16 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.24 0.00 0.10 0.01 0.03 99.61 00:10:01 0 0.43 0.00 0.07 0.00 0.02 99.49 00:10:01 1 0.06 0.00 0.14 0.02 0.04 99.74 00:20:01 all 0.68 0.00 0.21 0.01 0.03 99.07 00:20:01 0 0.98 0.00 0.19 0.01 0.02 98.79 00:20:01 1 0.37 0.00 0.23 0.01 0.04 99.35 00:30:16 all 0.21 0.00 0.15 0.01 0.03 99.59 00:30:16 0 0.21 0.00 0.15 0.01 0.03 99.60 00:30:16 1 0.21 0.00 0.15 0.01 0.03 99.59 00:40:01 all 11.06 0.00 1.64 0.46 0.05 86.80 00:40:01 0 7.45 0.00 1.36 0.47 0.05 90.67 00:40:01 1 14.66 0.00 1.92 0.44 0.04 82.93 00:50:01 all 0.78 0.00 0.29 0.02 0.05 98.86 00:50:01 0 0.61 0.00 0.36 0.03 0.07 98.92 00:50:01 1 0.94 0.00 0.22 0.01 0.04 98.79 01:00:06 all 1.29 0.00 0.71 0.07 0.04 97.89 01:00:06 0 1.32 0.00 0.59 0.02 0.03 98.03 01:00:06 1 1.26 0.00 0.83 0.11 0.05 97.75 01:10:01 all 0.90 0.00 0.32 0.02 0.04 98.71 01:10:01 0 0.82 0.00 0.22 0.03 0.04 98.89 01:10:01 1 0.99 0.00 0.41 0.02 0.05 98.54 01:20:01 all 0.89 0.00 0.24 0.02 0.04 98.81 01:20:01 0 0.81 0.00 0.21 0.03 0.04 98.92 01:20:01 1 0.97 0.00 0.28 0.01 0.04 98.70 Average: all 1.98 0.00 0.46 0.08 0.04 97.45 Average: 0 1.56 0.00 0.39 0.07 0.04 97.94 Average: 1 2.40 0.00 0.52 0.08 0.04 96.96