---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30963 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 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 786 5091 4 2356 7155 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:2f:fc:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81329sec preferred_lft 81329sec inet6 fe80::f816:3eff:fe2f:fce9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30963) 06/27/26 _x86_64_ (2 CPU) 00:42:45 LINUX RESTART (2 CPU) 00:50:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:29 1.91 0.26 1.62 0.03 31.03 76.37 436.35 01:10:01 1.16 0.00 1.14 0.02 0.00 14.19 1.15 01:20:19 1.22 0.00 1.22 0.01 0.01 14.44 0.47 01:30:29 13.90 0.00 1.53 12.36 0.14 18.82 107766.55 01:40:01 1.22 0.00 1.22 0.00 0.00 15.16 0.00 01:50:29 24.38 2.86 19.31 2.22 217.06 3358.89 937.26 02:00:19 1.64 0.00 1.62 0.02 0.00 71.81 0.37 Average: 6.68 0.47 4.08 2.14 36.96 532.80 15892.25 00:50:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:29 6250196 7524460 295384 3.63 30824 1448768 727424 7.92 460572 1200992 132 01:10:01 6257028 7531828 288044 3.54 31028 1449096 727576 7.92 460756 1201524 184 01:20:19 6263888 7539192 280656 3.45 31200 1449420 727640 7.93 460984 1202020 128 01:30:29 6261312 7537216 282456 3.47 31392 1449796 727704 7.93 461468 1202560 124 01:40:01 6260304 7536844 282824 3.48 31560 1450256 727868 7.93 462036 1203060 236 01:50:29 5193156 7399984 366844 4.51 86820 2280112 851168 9.27 607796 2042748 492 02:00:19 5174276 7396696 369944 4.55 86988 2295532 853912 9.30 610544 2058336 800 Average: 5951451 7495174 309450 3.81 47116 1688997 763327 8.31 503451 1444463 299 00:50:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:29 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:29 ens3 1.04 0.24 3.24 0.05 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 0.38 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:19 ens3 1.00 0.12 1.07 0.10 0.00 0.00 0.00 0.00 01:30:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:29 ens3 0.39 0.17 0.08 0.50 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 0.55 0.15 0.18 0.10 0.00 0.00 0.00 0.00 01:50:29 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:29 ens3 82.10 58.25 306.86 12.44 0.00 0.00 0.00 0.00 02:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:19 ens3 48.36 45.59 10.51 6.04 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 19.58 15.25 48.09 2.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30963) 06/27/26 _x86_64_ (2 CPU) 00:42:45 LINUX RESTART (2 CPU) 00:50:29 CPU %user %nice %system %iowait %steal %idle 01:00:29 all 0.44 0.00 0.19 0.02 0.03 99.31 01:00:29 0 0.43 0.00 0.19 0.02 0.03 99.33 01:00:29 1 0.46 0.00 0.18 0.03 0.04 99.30 01:10:01 all 0.22 0.00 0.07 0.01 0.03 99.66 01:10:01 0 0.05 0.00 0.09 0.01 0.04 99.81 01:10:01 1 0.40 0.00 0.06 0.01 0.03 99.50 01:20:19 all 0.25 0.00 0.07 0.11 0.03 99.53 01:20:19 0 0.13 0.00 0.08 0.00 0.04 99.74 01:20:19 1 0.38 0.00 0.06 0.22 0.03 99.31 01:30:29 all 0.27 0.00 0.17 0.04 0.03 99.49 01:30:29 0 0.38 0.00 0.15 0.00 0.03 99.43 01:30:29 1 0.15 0.00 0.19 0.08 0.03 99.56 01:40:01 all 0.21 0.00 0.06 0.01 0.03 99.69 01:40:01 0 0.36 0.00 0.05 0.00 0.02 99.58 01:40:01 1 0.06 0.00 0.08 0.02 0.04 99.80 01:50:29 all 14.02 0.00 1.79 0.77 0.07 83.35 01:50:29 0 10.56 0.00 1.64 0.85 0.06 86.88 01:50:29 1 17.51 0.00 1.93 0.68 0.08 79.80 02:00:19 all 6.20 0.00 0.63 0.03 0.08 93.07 02:00:19 0 6.80 0.00 0.69 0.04 0.08 92.39 02:00:19 1 5.60 0.00 0.58 0.01 0.07 93.74 Average: all 3.16 0.00 0.44 0.15 0.04 96.21 Average: 0 2.72 0.00 0.42 0.14 0.04 96.67 Average: 1 3.60 0.00 0.45 0.15 0.05 95.75