---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21690 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: 5599.86 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 908 4864 4 2469 7033 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:6b:fd:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 77945sec preferred_lft 77945sec inet6 fe80::f816:3eff:fe6b:fd0c/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-21690) 05/31/26 _x86_64_ (2 CPU) 00:00:36 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 16.52 0.29 1.86 14.36 35.06 102.64 113113.87 00:20:06 1.53 0.11 1.39 0.03 3.45 58.96 9.99 00:30:36 1.51 0.00 1.49 0.02 0.00 35.39 0.36 00:40:01 1.22 0.00 1.22 0.00 0.14 16.69 0.00 00:50:36 14.76 12.78 1.91 0.07 141.20 50.59 6.96 01:00:36 1.71 0.00 1.67 0.04 0.00 27.43 1.43 01:10:01 1.33 0.00 1.31 0.02 0.00 27.27 1.15 01:20:06 1.42 0.00 1.38 0.04 0.00 27.00 0.86 01:30:36 1.95 0.01 1.87 0.06 0.57 35.38 4.18 01:40:01 1.42 0.00 1.38 0.04 0.00 28.14 0.93 01:50:22 1.51 0.00 1.46 0.04 0.46 38.23 0.85 Average: 4.08 1.27 1.55 1.26 17.05 40.64 9701.92 00:00:36 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 5126912 7346780 420708 5.17 86484 2294376 672140 7.32 607900 2056784 436 00:20:06 5137752 7370352 396692 4.88 86800 2306556 670532 7.30 608092 2069064 336 00:30:36 5137872 7376176 390872 4.81 86956 2312024 662076 7.21 608120 2074552 180 00:40:01 5137876 7377200 389836 4.79 87108 2312868 662384 7.21 608132 2075556 124 00:50:36 5077888 7375564 382432 4.70 90084 2359912 670632 7.30 609084 2124960 172 01:00:36 5070096 7370156 387708 4.77 90244 2362080 662600 7.22 609140 2127288 164 01:10:01 5068196 7372004 385776 4.74 90436 2365580 662592 7.22 609176 2130988 264 01:20:06 5064672 7372084 385640 4.74 90652 2368956 662636 7.22 609352 2134416 140 01:30:36 5029932 7341712 415836 5.11 90904 2372952 662780 7.22 609636 2138580 248 01:40:01 5029932 7345076 412488 5.07 91068 2376104 662804 7.22 609672 2141896 240 01:50:22 5319756 7462116 304040 3.74 91280 2210812 557240 6.07 538988 1976688 12788 Average: 5109171 7373565 388366 4.78 89274 2331111 655311 7.14 602481 2095525 1372 00:00:36 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 19.87 17.79 7.73 2.50 0.00 0.00 0.00 0.00 00:20:06 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:06 ens3 13.91 9.60 2.77 1.54 0.00 0.00 0.00 0.00 00:30:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:36 ens3 16.62 14.65 3.82 2.89 0.00 0.00 0.00 0.00 00:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 3.55 2.53 0.69 0.37 0.00 0.00 0.00 0.00 00:50:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:36 ens3 10.09 6.80 2.09 1.17 0.00 0.00 0.00 0.00 01:00:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:36 ens3 4.25 3.37 0.95 0.57 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 6.87 5.69 5.80 0.84 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 7.65 6.06 1.88 1.18 0.00 0.00 0.00 0.00 01:30:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:36 ens3 6.66 5.85 1.49 0.93 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 8.27 6.70 2.09 1.32 0.00 0.00 0.00 0.00 01:50:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:22 ens3 8.87 7.40 22.40 1.27 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.71 7.87 4.73 1.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21690) 05/31/26 _x86_64_ (2 CPU) 00:00:36 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 5.31 0.00 0.74 0.06 0.10 93.79 00:10:01 0 5.15 0.00 0.74 0.02 0.10 94.00 00:10:01 1 5.47 0.00 0.75 0.10 0.09 93.59 00:20:06 all 5.03 0.00 0.71 0.01 0.09 94.16 00:20:06 0 3.14 0.00 0.49 0.01 0.09 96.27 00:20:06 1 6.93 0.00 0.93 0.01 0.08 92.05 00:30:36 all 4.28 0.00 0.65 0.01 0.08 94.98 00:30:36 0 4.27 0.00 0.68 0.01 0.08 94.96 00:30:36 1 4.30 0.00 0.62 0.01 0.07 95.01 00:40:01 all 0.48 0.00 0.12 0.01 0.04 99.36 00:40:01 0 0.54 0.00 0.14 0.00 0.04 99.28 00:40:01 1 0.42 0.00 0.09 0.01 0.04 99.44 00:50:36 all 2.47 0.17 0.42 0.12 0.07 96.75 00:50:36 0 2.65 0.13 0.44 0.11 0.07 96.60 00:50:36 1 2.30 0.20 0.40 0.14 0.07 96.90 01:00:36 all 1.45 0.00 0.32 0.01 0.07 98.15 01:00:36 0 1.30 0.00 0.32 0.00 0.08 98.30 01:00:36 1 1.60 0.00 0.32 0.01 0.07 98.00 01:10:01 all 2.03 0.00 0.27 0.01 0.08 97.61 01:10:01 0 2.05 0.00 0.23 0.01 0.06 97.64 01:10:01 1 2.01 0.00 0.31 0.01 0.10 97.57 01:20:06 all 2.96 0.00 0.40 0.01 0.09 96.55 01:20:06 0 3.89 0.00 0.52 0.01 0.09 95.49 01:20:06 1 2.03 0.00 0.27 0.00 0.09 97.60 01:30:36 all 2.10 0.00 0.38 0.01 0.08 97.43 01:30:36 0 1.76 0.00 0.35 0.01 0.09 97.80 01:30:36 1 2.44 0.00 0.41 0.01 0.07 97.07 01:40:01 all 3.25 0.00 0.42 0.01 0.08 96.24 01:40:01 0 3.15 0.00 0.38 0.01 0.07 96.39 01:40:01 1 3.35 0.00 0.46 0.00 0.10 96.09 01:50:22 all 2.33 0.00 0.34 0.02 0.06 97.25 01:50:22 0 1.38 0.00 0.28 0.00 0.05 98.29 01:50:22 1 3.28 0.00 0.40 0.03 0.08 96.21 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.88 0.02 0.43 0.02 0.08 96.56 Average: 0 2.66 0.01 0.42 0.02 0.07 96.82 Average: 1 3.11 0.02 0.45 0.03 0.08 96.31