---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31760 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 769 5017 4 2455 7172 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:9d:ed:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81963sec preferred_lft 81963sec inet6 fe80::f816:3eff:fe9d:ed12/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31760) 06/30/26 _x86_64_ (2 CPU) 01:46:42 LINUX RESTART (2 CPU) 01:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:05 2.23 0.28 1.92 0.03 33.08 79.92 650.56 02:10:05 1.42 0.01 1.39 0.02 0.05 16.60 1.20 02:20:01 13.99 0.01 1.35 12.64 0.16 15.96 109866.32 02:30:05 1.55 0.00 1.52 0.03 0.00 18.58 650.17 02:40:05 1.48 0.00 1.45 0.02 0.00 18.05 219.00 02:50:01 1.35 0.00 1.33 0.02 0.00 16.17 1.22 03:00:05 27.68 3.03 21.49 3.16 231.05 3610.97 1563.70 Average: 7.11 0.48 4.37 2.26 37.96 542.24 16019.60 01:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:05 6245760 7520444 299416 3.68 30808 1449400 515240 5.61 448104 1200812 224 02:10:05 6253348 7528596 291264 3.58 31040 1449728 525136 5.72 454536 1201372 184 02:20:01 6255316 7531136 288684 3.55 31236 1450096 525284 5.72 454488 1201908 256 02:30:05 6262276 7538648 281160 3.46 31444 1450428 525284 5.72 454680 1202448 192 02:40:05 6267856 7544924 274916 3.38 31672 1450888 525348 5.72 454764 1203008 196 02:50:01 6265740 7543356 276484 3.40 31896 1451212 525404 5.72 455472 1203556 124 03:00:05 5149256 7350540 416600 5.12 89136 2272748 665752 7.25 647416 2035228 13692 Average: 6099936 7508235 304075 3.74 39605 1567786 543921 5.92 481351 1321190 2124 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 1.63 0.47 3.26 0.06 0.00 0.00 0.00 0.00 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 0.39 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 1.66 0.04 9.76 0.01 0.00 0.00 0.00 0.00 02:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 0.38 0.05 0.55 0.01 0.00 0.00 0.00 0.00 02:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 0.33 0.07 0.08 0.04 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.36 0.09 0.11 0.05 0.00 0.00 0.00 0.00 03:00:05 lo 1.35 1.35 0.08 0.08 0.00 0.00 0.00 0.00 03:00:05 ens3 110.39 78.30 326.02 20.29 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.53 11.35 48.78 2.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31760) 06/30/26 _x86_64_ (2 CPU) 01:46:42 LINUX RESTART (2 CPU) 01:50:02 CPU %user %nice %system %iowait %steal %idle 02:00:05 all 0.39 0.00 0.20 0.02 0.04 99.35 02:00:05 0 0.47 0.00 0.16 0.01 0.03 99.32 02:00:05 1 0.30 0.00 0.24 0.04 0.05 99.38 02:10:05 all 0.26 0.00 0.08 0.01 0.04 99.61 02:10:05 0 0.43 0.00 0.06 0.01 0.03 99.46 02:10:05 1 0.10 0.00 0.09 0.01 0.05 99.76 02:20:01 all 0.28 0.00 0.08 0.03 0.04 99.57 02:20:01 0 0.51 0.00 0.06 0.01 0.03 99.39 02:20:01 1 0.05 0.00 0.10 0.04 0.05 99.75 02:30:05 all 0.27 0.00 0.16 0.59 0.04 98.94 02:30:05 0 0.48 0.00 0.15 0.62 0.03 98.72 02:30:05 1 0.06 0.00 0.17 0.57 0.05 99.15 02:40:05 all 0.28 0.00 0.08 0.01 0.03 99.60 02:40:05 0 0.49 0.00 0.05 0.01 0.03 99.42 02:40:05 1 0.07 0.00 0.11 0.01 0.04 99.77 02:50:01 all 0.24 0.00 0.08 0.01 0.02 99.64 02:50:01 0 0.19 0.00 0.08 0.01 0.03 99.69 02:50:01 1 0.29 0.00 0.08 0.01 0.02 99.59 03:00:05 all 15.21 0.00 2.18 0.67 0.05 81.88 03:00:05 0 16.02 0.00 2.28 0.73 0.05 80.92 03:00:05 1 14.40 0.00 2.09 0.61 0.05 82.85 Average: all 2.43 0.00 0.41 0.19 0.04 96.93 Average: 0 2.66 0.00 0.41 0.20 0.03 96.69 Average: 1 2.19 0.00 0.41 0.18 0.04 97.17