---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3150 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 737 5316 4 2176 7204 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:1c:34:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80575sec preferred_lft 80575sec inet6 fe80::f816:3eff:fe1c:3416/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3150) 04/16/26 _x86_64_ (2 CPU) 00:41:17 LINUX RESTART (2 CPU) 00:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:11 1.42 0.01 1.38 0.03 0.05 17.12 654.36 01:10:01 1.19 0.00 1.17 0.02 0.00 14.29 1.24 01:20:17 1.19 0.00 1.18 0.00 0.01 14.32 0.23 01:30:17 1.51 0.00 1.49 0.02 0.00 19.05 653.35 01:40:01 14.17 0.00 1.29 12.88 0.15 15.62 112066.47 01:50:17 22.53 2.95 17.37 2.21 222.40 3134.73 1846.04 02:00:17 1.37 0.00 1.36 0.01 0.00 17.21 0.23 02:10:01 1.17 0.00 1.17 0.00 0.00 14.28 0.00 Average: 5.61 0.38 3.36 1.87 28.62 416.98 14072.72 00:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:11 6250664 7526660 293348 3.61 30948 1450336 528460 5.76 452016 1200412 132 01:10:01 6250664 7527192 292800 3.60 31164 1450660 528528 5.76 453064 1200940 268 01:20:17 6258016 7535060 284936 3.50 31328 1450988 530300 5.78 454468 1201444 192 01:30:17 6253516 7531112 288852 3.55 31520 1451324 528672 5.76 453420 1201964 144 01:40:01 6260884 7539148 280676 3.45 31688 1451812 528864 5.76 454060 1202464 140 01:50:17 5312096 7423040 348660 4.29 85168 2189872 623636 6.79 591300 1948456 168 02:00:17 5301940 7413372 358328 4.41 85300 2190228 623636 6.79 591412 1948944 228 02:10:01 5311116 7423004 348696 4.29 85408 2190576 623636 6.79 591500 1949400 172 Average: 5899862 7489824 312037 3.84 51566 1728224 564466 6.15 505155 1481753 180 00:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 0.54 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 1.26 0.05 11.20 0.03 0.00 0.00 0.00 0.00 01:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:17 ens3 1.01 0.07 1.21 0.05 0.00 0.00 0.00 0.00 01:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:17 ens3 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.52 0.17 0.15 0.60 0.00 0.00 0.00 0.00 01:50:17 lo 1.29 1.29 0.10 0.10 0.00 0.00 0.00 0.00 01:50:17 ens3 63.56 42.01 291.12 10.23 0.00 0.00 0.00 0.00 02:00:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:17 ens3 1.65 0.18 0.22 0.05 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.61 0.23 0.10 0.04 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 8.91 5.50 39.04 1.42 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3150) 04/16/26 _x86_64_ (2 CPU) 00:41:17 LINUX RESTART (2 CPU) 00:50:11 CPU %user %nice %system %iowait %steal %idle 01:00:11 all 0.31 0.00 0.16 0.01 0.02 99.50 01:00:11 0 0.54 0.00 0.13 0.01 0.02 99.31 01:00:11 1 0.08 0.00 0.19 0.01 0.03 99.68 01:10:01 all 0.28 0.00 0.07 0.01 0.02 99.63 01:10:01 0 0.28 0.00 0.05 0.01 0.02 99.64 01:10:01 1 0.27 0.00 0.08 0.01 0.02 99.62 01:20:17 all 0.27 0.00 0.07 0.01 0.02 99.63 01:20:17 0 0.06 0.00 0.08 0.00 0.03 99.83 01:20:17 1 0.47 0.00 0.06 0.01 0.02 99.43 01:30:17 all 0.29 0.00 0.17 0.01 0.02 99.50 01:30:17 0 0.48 0.00 0.15 0.00 0.02 99.34 01:30:17 1 0.09 0.00 0.20 0.02 0.03 99.66 01:40:01 all 0.26 0.00 0.08 0.03 0.02 99.61 01:40:01 0 0.44 0.00 0.07 0.05 0.01 99.43 01:40:01 1 0.08 0.00 0.09 0.01 0.03 99.79 01:50:17 all 10.69 0.00 1.63 0.62 0.05 87.01 01:50:17 0 8.97 0.00 1.35 0.69 0.04 88.95 01:50:17 1 12.42 0.00 1.90 0.55 0.06 85.06 02:00:17 all 0.38 0.00 0.22 0.01 0.04 99.34 02:00:17 0 0.35 0.00 0.24 0.01 0.05 99.35 02:00:17 1 0.42 0.00 0.21 0.00 0.04 99.34 02:10:01 all 0.37 0.00 0.13 0.01 0.04 99.46 02:10:01 0 0.35 0.00 0.09 0.01 0.03 99.52 02:10:01 1 0.39 0.00 0.17 0.00 0.05 99.40 Average: all 1.64 0.00 0.32 0.09 0.03 97.92 Average: 0 1.46 0.00 0.27 0.10 0.03 98.14 Average: 1 1.82 0.00 0.37 0.08 0.03 97.70