---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-65926 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 4935 4 2535 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:d7:86:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5014sec preferred_lft 5014sec inet6 fe80::f816:3eff:fed7:8657/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65926) 04/03/26 _x86_64_ (2 CPU) 00:00:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:21 1.80 0.01 1.77 0.01 0.81 21.54 0.25 00:20:22 2.03 0.12 1.88 0.03 3.62 25.44 479.48 00:30:22 1.83 0.00 1.81 0.02 0.00 20.28 9.69 00:40:18 22.56 3.02 17.30 2.23 227.25 3138.21 690.45 00:50:23 1.73 0.00 1.71 0.01 0.48 31.90 1.07 01:00:18 1.75 0.00 1.72 0.03 0.00 20.50 1.45 01:10:25 1.65 0.00 1.63 0.02 0.00 190.26 2.52 01:20:25 1.82 0.00 1.78 0.04 0.00 275.35 4.14 01:30:25 1.68 0.00 1.64 0.03 0.00 20.12 2.91 Average: 4.07 0.35 3.46 0.27 25.60 413.45 131.89 00:00:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:21 6121508 7514716 294284 3.62 53400 1536144 721528 7.86 468472 1307696 388 00:20:22 6145260 7500464 308332 3.79 53568 1497892 719352 7.84 467356 1269280 180 00:30:22 6162304 7518116 290696 3.57 53672 1498384 719352 7.84 467492 1269744 296 00:40:18 5266948 7447964 313452 3.85 102992 2233744 748572 8.15 558300 2009316 2044 00:50:23 4989848 7171736 589692 7.25 103112 2234616 1006508 10.96 790420 2010276 272 01:00:18 4906364 7088868 672420 8.27 103216 2235100 1102792 12.01 868400 2010896 256 01:10:25 5007668 7243320 517756 6.37 103340 2287888 991856 10.80 758676 2063800 292 01:20:25 4780928 7094988 664876 8.18 103460 2365096 1112828 12.12 879724 2141132 228 01:30:25 4817220 7131828 627980 7.72 103596 2365496 1078568 11.75 845580 2141664 272 Average: 5355339 7301333 475499 5.85 86706 2028262 911262 9.93 678269 1802645 470 00:00:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:21 ens3 0.23 0.06 0.08 0.04 0.00 0.00 0.00 0.00 00:20:22 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:22 ens3 0.12 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:22 ens3 0.52 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:40:18 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:18 ens3 55.72 41.00 299.19 11.75 0.00 0.00 0.00 0.00 00:50:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:23 ens3 36.74 31.43 525.40 2.34 0.00 0.00 0.00 0.00 01:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:18 ens3 76.68 73.62 1283.69 4.84 0.00 0.00 0.00 0.00 01:10:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:25 ens3 25.84 24.01 403.71 1.71 0.00 0.00 0.00 0.00 01:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:25 ens3 33.00 31.63 526.33 2.18 0.00 0.00 0.00 0.00 01:30:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:25 ens3 4.91 4.28 76.59 0.33 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 25.90 22.85 345.29 2.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65926) 04/03/26 _x86_64_ (2 CPU) 00:00:18 CPU %user %nice %system %iowait %steal %idle 00:10:21 all 0.24 0.00 0.10 0.01 0.03 99.61 00:10:21 0 0.33 0.00 0.07 0.01 0.02 99.56 00:10:21 1 0.15 0.00 0.13 0.01 0.04 99.67 00:20:22 all 0.61 0.00 0.21 0.02 0.04 99.11 00:20:22 0 0.53 0.00 0.23 0.02 0.04 99.17 00:20:22 1 0.70 0.00 0.19 0.02 0.03 99.06 00:30:22 all 0.29 0.00 0.16 0.01 0.03 99.51 00:30:22 0 0.10 0.00 0.17 0.01 0.04 99.69 00:30:22 1 0.48 0.00 0.14 0.01 0.03 99.34 00:40:18 all 10.59 0.00 1.62 0.54 0.05 87.19 00:40:18 0 9.10 0.00 1.62 0.44 0.06 88.78 00:40:18 1 12.08 0.00 1.63 0.65 0.05 85.60 00:50:23 all 0.75 0.00 0.28 0.01 0.08 98.88 00:50:23 0 0.98 0.00 0.46 0.01 0.10 98.46 00:50:23 1 0.51 0.00 0.11 0.01 0.06 99.31 01:00:18 all 1.04 0.00 0.63 0.01 0.08 98.23 01:00:18 0 1.49 0.00 0.99 0.01 0.09 97.41 01:00:18 1 0.59 0.00 0.27 0.01 0.07 99.06 01:10:25 all 0.77 0.00 0.27 0.01 0.08 98.88 01:10:25 0 0.91 0.00 0.36 0.01 0.09 98.64 01:10:25 1 0.62 0.00 0.18 0.01 0.07 99.12 01:20:25 all 0.83 0.00 0.25 0.02 0.08 98.81 01:20:25 0 0.64 0.00 0.15 0.02 0.06 99.15 01:20:25 1 1.03 0.00 0.36 0.03 0.11 98.48 01:30:25 all 0.43 0.00 0.25 0.02 0.08 99.23 01:30:25 0 0.40 0.00 0.31 0.01 0.10 99.17 01:30:25 1 0.45 0.00 0.18 0.02 0.06 99.29 Average: all 1.72 0.00 0.42 0.07 0.06 97.73 Average: 0 1.60 0.00 0.48 0.06 0.07 97.79 Average: 1 1.84 0.00 0.35 0.08 0.06 97.67