---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11618 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 8.0G 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 759 5128 4 2351 7182 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:c7:c1:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 48475sec preferred_lft 48475sec inet6 fe80::f816:3eff:fec7:c14e/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-11618) 05/08/26 _x86_64_ (2 CPU) 00:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.78 0.02 1.76 0.01 0.82 20.84 0.19 00:20:01 1.77 0.11 1.64 0.03 3.05 23.28 908.52 00:30:03 1.55 0.00 1.53 0.02 0.00 17.80 0.37 00:40:01 24.69 3.16 19.28 2.25 231.02 3185.29 1103.99 00:50:01 1.51 0.00 1.49 0.02 0.00 21.97 1.13 01:00:03 2.01 0.00 1.97 0.04 0.00 137.44 1.60 01:10:02 1.58 0.00 1.56 0.03 0.00 32.57 391.42 01:20:01 1.50 0.00 1.48 0.01 0.00 27.71 0.49 Average: 4.54 0.41 3.83 0.30 29.28 432.32 300.57 00:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6121388 7523528 284964 3.50 55748 1542448 534472 5.82 472792 1314720 264 00:20:01 6147560 7511420 296960 3.65 55896 1503948 532112 5.80 471544 1276024 240 00:30:03 6146352 7510696 297656 3.66 55996 1504320 532248 5.80 471840 1276492 284 00:40:01 5158640 7361804 398912 4.91 105352 2253076 631860 6.88 601108 2029164 128 00:50:01 5174688 7379676 381040 4.69 105456 2254808 640368 6.97 601104 2030992 336 01:00:03 5100612 7341024 419380 5.16 105596 2290012 731248 7.96 641804 2066340 888 01:10:02 5127040 7372504 387888 4.77 105688 2294924 650624 7.09 611008 2071332 1144 01:20:01 5065188 7313392 447032 5.50 105780 2297516 683500 7.44 643940 2074032 272 Average: 5505184 7414256 364229 4.48 86939 1992632 617054 6.72 564392 1767387 444 00:00:03 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 0.20 0.06 0.07 0.03 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 0.13 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:03 ens3 0.60 0.22 0.21 0.75 0.00 0.00 0.00 0.00 00:40:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 72.72 51.45 415.92 13.10 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 13.45 12.25 139.98 1.12 0.00 0.00 0.00 0.00 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 7.92 6.86 69.56 0.79 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 16.59 15.85 150.34 1.83 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 21.51 20.74 224.41 2.08 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 16.61 13.41 124.90 2.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11618) 05/08/26 _x86_64_ (2 CPU) 00:00:03 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.28 0.00 0.11 0.01 0.02 99.58 00:10:01 0 0.24 0.00 0.11 0.01 0.02 99.63 00:10:01 1 0.32 0.00 0.12 0.02 0.02 99.52 00:20:01 all 0.70 0.00 0.22 0.19 0.02 98.86 00:20:01 0 0.67 0.00 0.22 0.11 0.02 98.98 00:20:01 1 0.74 0.00 0.23 0.26 0.02 98.75 00:30:03 all 0.27 0.00 0.19 0.03 0.02 99.50 00:30:03 0 0.13 0.00 0.19 0.01 0.02 99.64 00:30:03 1 0.40 0.00 0.19 0.04 0.02 99.35 00:40:01 all 11.63 0.01 1.83 0.60 0.05 85.88 00:40:01 0 11.88 0.02 1.85 0.57 0.05 85.63 00:40:01 1 11.37 0.00 1.80 0.63 0.06 86.14 00:50:01 all 0.98 0.00 0.24 0.01 0.04 98.74 00:50:01 0 0.76 0.00 0.22 0.01 0.03 98.97 00:50:01 1 1.20 0.00 0.25 0.01 0.04 98.50 01:00:03 all 10.02 0.00 0.69 0.02 0.06 89.21 01:00:03 0 6.62 0.00 0.51 0.02 0.06 92.79 01:00:03 1 13.39 0.00 0.87 0.02 0.07 85.66 01:10:02 all 1.94 0.00 0.28 0.01 0.06 97.71 01:10:02 0 2.75 0.00 0.35 0.00 0.07 96.84 01:10:02 1 1.14 0.00 0.21 0.02 0.05 98.58 01:20:01 all 1.19 0.00 0.29 0.01 0.05 98.46 01:20:01 0 1.04 0.00 0.22 0.01 0.05 98.68 01:20:01 1 1.35 0.00 0.35 0.01 0.06 98.23 Average: all 3.39 0.00 0.48 0.11 0.04 95.98 Average: 0 3.01 0.00 0.46 0.09 0.04 96.40 Average: 1 3.76 0.00 0.50 0.13 0.04 95.56