---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2338 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 787 4973 4 2472 7154 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:ad:ac:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.153/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79321sec preferred_lft 79321sec inet6 fe80::f816:3eff:fead:ac1c/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-2338) 04/13/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:07 14.04 0.02 1.60 12.42 0.95 19.20 108500.09 00:20:01 2.10 0.44 1.63 0.03 43.98 76.55 226.01 00:30:01 1.39 0.00 1.38 0.01 0.00 17.13 435.50 00:40:07 22.33 2.99 17.13 2.21 226.07 3109.91 1286.61 00:50:01 1.27 0.00 1.27 0.00 0.00 15.85 0.00 01:00:01 1.40 0.00 1.38 0.01 0.00 18.38 0.23 01:10:07 1.41 0.00 1.39 0.02 0.00 349.93 0.32 01:20:01 1.41 0.00 1.39 0.02 0.00 132.33 0.88 01:30:01 1.48 0.00 1.45 0.03 0.00 19.10 1.43 Average: 5.24 0.39 3.20 1.66 30.30 421.09 12396.63 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:07 6288040 7535980 283980 3.49 30988 1422800 531884 5.79 447936 1184356 168 00:20:01 6242456 7519632 299768 3.69 31516 1451060 530352 5.78 459176 1201556 124 00:30:01 6243144 7520968 298356 3.67 31676 1451520 530504 5.78 459268 1202048 124 00:40:07 5090132 7200164 571048 7.02 85156 2189096 793268 8.64 755556 1947548 160 00:50:01 4996484 7106992 664292 8.17 85300 2189480 889260 9.69 850792 1948068 264 01:00:01 4960272 7071456 699800 8.60 85468 2189980 941272 10.25 885532 1948744 268 01:10:07 4966576 7180420 589788 7.25 85648 2291520 854024 9.30 799772 2050464 264 01:20:01 4737172 6986436 783216 9.63 85816 2326300 952404 10.37 898436 2085296 152 01:30:01 4835908 7085812 683780 8.41 85984 2326756 933136 10.16 878532 2085908 240 Average: 5373354 7245318 541559 6.66 67506 1982057 772900 8.42 715000 1739332 196 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:07 ens3 0.48 0.16 0.12 0.56 0.00 0.00 0.00 0.00 00:20:01 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.55 0.27 3.14 0.06 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.37 0.10 0.12 0.06 0.00 0.00 0.00 0.00 00:40:07 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:07 ens3 79.67 60.75 589.76 12.49 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 22.25 18.55 308.58 1.38 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 76.27 72.88 1199.85 4.79 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 34.73 31.97 530.39 2.16 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 32.70 31.08 506.27 2.12 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 12.65 11.78 186.39 0.82 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 28.91 25.33 369.73 2.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2338) 04/13/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:07 all 0.28 0.00 0.10 0.04 0.04 99.53 00:10:07 0 0.09 0.00 0.12 0.08 0.04 99.67 00:10:07 1 0.48 0.00 0.09 0.01 0.03 99.39 00:20:01 all 0.53 0.00 0.22 0.03 0.03 99.18 00:20:01 0 0.55 0.00 0.22 0.05 0.03 99.16 00:20:01 1 0.52 0.00 0.23 0.02 0.04 99.20 00:30:01 all 0.27 0.00 0.16 0.01 0.03 99.53 00:30:01 0 0.12 0.00 0.15 0.01 0.04 99.69 00:30:01 1 0.42 0.00 0.16 0.02 0.03 99.37 00:40:07 all 10.72 0.00 1.72 0.65 0.05 86.85 00:40:07 0 10.08 0.00 1.71 0.81 0.06 87.34 00:40:07 1 11.37 0.00 1.74 0.48 0.05 86.37 00:50:01 all 0.55 0.00 0.23 0.01 0.07 99.14 00:50:01 0 0.46 0.00 0.28 0.02 0.09 99.15 00:50:01 1 0.63 0.00 0.17 0.01 0.06 99.14 01:00:01 all 1.01 0.00 0.61 0.01 0.08 98.30 01:00:01 0 1.27 0.00 0.80 0.00 0.10 97.84 01:00:01 1 0.75 0.00 0.43 0.01 0.06 98.75 01:10:07 all 0.80 0.00 0.28 0.02 0.08 98.83 01:10:07 0 0.45 0.00 0.13 0.02 0.04 99.36 01:10:07 1 1.15 0.00 0.42 0.01 0.11 98.30 01:20:01 all 0.75 0.00 0.26 0.01 0.08 98.90 01:20:01 0 0.60 0.00 0.13 0.00 0.06 99.21 01:20:01 1 0.90 0.00 0.39 0.02 0.10 98.59 01:30:01 all 0.45 0.00 0.28 0.02 0.09 99.15 01:30:01 0 0.55 0.00 0.36 0.02 0.10 98.96 01:30:01 1 0.36 0.00 0.21 0.02 0.07 99.34 Average: all 1.72 0.00 0.43 0.09 0.06 97.70 Average: 0 1.58 0.00 0.43 0.11 0.06 97.81 Average: 1 1.85 0.00 0.43 0.07 0.06 97.59