---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4714 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 747 5242 4 2248 7194 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:90:c0:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81015sec preferred_lft 81015sec inet6 fe80::f816:3eff:fe90:c087/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4714) 04/20/26 _x86_64_ (2 CPU) 00:43:31 LINUX RESTART (2 CPU) 00:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 1.47 0.01 1.45 0.02 0.05 17.42 660.67 01:10:08 1.36 0.00 1.36 0.00 0.00 15.60 0.00 01:20:08 1.36 0.00 1.36 0.00 0.01 15.44 0.12 01:30:08 1.99 0.32 1.65 0.02 39.01 74.39 436.12 01:40:08 1.21 0.00 1.20 0.00 1.05 14.29 0.05 01:50:08 1.70 0.40 1.29 0.01 15.79 48.00 0.55 02:00:08 23.28 2.63 18.41 2.24 212.55 3102.23 504.13 02:10:08 14.82 0.00 1.35 13.46 0.15 22.12 106793.84 Average: 5.90 0.42 3.51 1.97 33.58 413.68 13548.38 00:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 6278712 7529928 290592 3.57 30728 1426124 530484 5.78 446852 1187368 124 01:10:08 6276272 7527984 292536 3.60 30888 1426456 531184 5.79 447092 1187860 124 01:20:08 6274004 7526208 294308 3.62 31056 1426780 531416 5.79 447536 1188352 124 01:30:08 6244700 7525832 294008 3.62 31436 1454932 743208 8.09 468048 1205820 164 01:40:08 6252540 7534488 285424 3.51 31592 1455584 535656 5.83 462952 1206308 260 01:50:08 6215332 7512660 307008 3.78 31924 1470388 575492 6.27 502076 1219808 300 02:00:08 5267324 7383780 388000 4.77 85272 2195264 642376 7.00 605288 1953984 232 02:10:08 5227428 7345988 425756 5.24 85428 2197200 665192 7.25 620116 1956056 192 Average: 6004539 7485858 322204 3.96 44790 1631591 594376 6.47 499995 1388194 190 00:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.83 0.06 0.11 0.03 0.00 0.00 0.00 0.00 01:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 0.46 0.06 0.10 0.04 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.49 0.10 0.13 0.06 0.00 0.00 0.00 0.00 01:30:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.51 0.20 3.11 0.04 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.55 0.26 0.15 0.63 0.00 0.00 0.00 0.00 01:50:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:08 ens3 10.11 5.95 23.73 2.67 0.00 0.00 0.00 0.00 02:00:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:08 ens3 54.93 39.32 287.57 8.41 0.00 0.00 0.00 0.00 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 13.18 11.80 107.28 1.06 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 10.13 7.22 52.77 1.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4714) 04/20/26 _x86_64_ (2 CPU) 00:43:31 LINUX RESTART (2 CPU) 00:50:08 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 0.31 0.00 0.18 0.01 0.03 99.47 01:00:02 0 0.51 0.00 0.18 0.01 0.03 99.27 01:00:02 1 0.11 0.00 0.17 0.01 0.03 99.67 01:10:08 all 0.31 0.00 0.07 0.01 0.03 99.58 01:10:08 0 0.36 0.00 0.07 0.01 0.03 99.54 01:10:08 1 0.26 0.00 0.07 0.01 0.03 99.62 01:20:08 all 0.24 0.00 0.08 0.01 0.04 99.64 01:20:08 0 0.06 0.00 0.08 0.01 0.04 99.82 01:20:08 1 0.43 0.00 0.08 0.01 0.04 99.45 01:30:08 all 0.42 0.00 0.20 0.02 0.04 99.31 01:30:08 0 0.20 0.00 0.23 0.01 0.05 99.52 01:30:08 1 0.65 0.00 0.18 0.03 0.03 99.10 01:40:08 all 0.22 0.00 0.08 0.01 0.04 99.65 01:40:08 0 0.25 0.00 0.09 0.01 0.04 99.62 01:40:08 1 0.19 0.00 0.07 0.01 0.04 99.69 01:50:08 all 0.50 0.00 0.10 0.01 0.03 99.35 01:50:08 0 0.36 0.00 0.09 0.00 0.04 99.51 01:50:08 1 0.65 0.00 0.11 0.02 0.03 99.18 02:00:08 all 10.85 0.00 1.73 0.48 0.08 86.86 02:00:08 0 11.50 0.00 1.75 0.27 0.07 86.41 02:00:08 1 10.20 0.00 1.72 0.69 0.08 87.32 02:10:08 all 0.85 0.00 0.22 0.03 0.08 98.83 02:10:08 0 0.93 0.00 0.19 0.04 0.07 98.77 02:10:08 1 0.76 0.00 0.24 0.01 0.08 98.90 Average: all 1.71 0.00 0.33 0.07 0.05 97.84 Average: 0 1.77 0.00 0.33 0.04 0.05 97.81 Average: 1 1.66 0.00 0.33 0.10 0.05 97.87