---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22166 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 779 5217 4 2242 7162 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:7b:d8:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.58/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81095sec preferred_lft 81095sec inet6 fe80::f816:3eff:fe7b:d80b/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-22166) 03/24/26 _x86_64_ (2 CPU) 00:40:02 LINUX RESTART (2 CPU) 00:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:13 1.58 0.01 1.56 0.01 0.05 18.24 436.02 01:10:13 1.36 0.00 1.36 0.00 0.00 15.72 0.00 01:20:13 2.00 0.32 1.67 0.01 39.03 72.64 0.32 01:30:13 1.70 0.01 1.68 0.01 1.05 19.47 435.64 01:40:13 28.22 13.54 2.04 12.64 151.26 44.67 109117.59 01:50:13 22.61 3.01 17.37 2.23 227.32 3123.73 500.54 02:00:01 1.71 0.01 1.67 0.04 0.58 37.24 1.36 Average: 8.47 2.42 3.91 2.14 60.07 477.19 15829.30 00:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:13 6286412 7533456 287080 3.53 30708 1422228 528348 5.75 439212 1183636 180 01:10:13 6293512 7541056 279464 3.44 30876 1422556 528436 5.76 439324 1184132 132 01:20:13 6234188 7510328 309556 3.81 31236 1450424 727088 7.92 456696 1201296 180 01:30:13 6243700 7520696 299248 3.68 31420 1451064 530024 5.77 451160 1201808 180 01:40:13 6200304 7534592 276228 3.40 35564 1495860 530080 5.77 452416 1249984 232 01:50:13 5287932 7451300 311432 3.83 88808 2230584 561112 6.11 546916 1992396 2508 02:00:01 5191216 7357008 405656 4.99 88968 2232912 654868 7.13 606504 1994884 240 Average: 5962466 7492634 309809 3.81 48226 1672233 579994 6.32 484604 1429734 522 00:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:13 ens3 0.45 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:13 ens3 0.43 0.04 0.09 0.03 0.00 0.00 0.00 0.00 01:20:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:13 ens3 0.68 0.25 3.12 0.07 0.00 0.00 0.00 0.00 01:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 0.29 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:13 ens3 0.66 0.20 0.13 0.58 0.00 0.00 0.00 0.00 01:50:13 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:13 ens3 58.85 40.53 296.67 10.78 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 13.44 9.77 38.27 1.43 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 10.68 7.26 48.38 1.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22166) 03/24/26 _x86_64_ (2 CPU) 00:40:02 LINUX RESTART (2 CPU) 00:50:13 CPU %user %nice %system %iowait %steal %idle 01:00:13 all 0.27 0.00 0.16 0.01 0.03 99.53 01:00:13 0 0.25 0.00 0.16 0.01 0.03 99.55 01:00:13 1 0.29 0.00 0.16 0.01 0.03 99.51 01:10:13 all 0.25 0.00 0.07 0.01 0.03 99.63 01:10:13 0 0.27 0.00 0.08 0.00 0.04 99.62 01:10:13 1 0.24 0.00 0.07 0.02 0.03 99.65 01:20:13 all 0.36 0.00 0.11 0.02 0.03 99.48 01:20:13 0 0.45 0.00 0.10 0.02 0.03 99.41 01:20:13 1 0.26 0.00 0.13 0.03 0.04 99.55 01:30:13 all 0.29 0.00 0.17 0.01 0.03 99.50 01:30:13 0 0.49 0.00 0.14 0.01 0.03 99.34 01:30:13 1 0.09 0.00 0.19 0.02 0.04 99.66 01:40:13 all 0.24 0.18 0.14 0.17 0.03 99.24 01:40:13 0 0.11 0.19 0.15 0.22 0.03 99.31 01:40:13 1 0.37 0.18 0.14 0.12 0.04 99.16 01:50:13 all 10.52 0.00 1.60 0.53 0.05 87.30 01:50:13 0 11.11 0.00 1.64 0.75 0.05 86.45 01:50:13 1 9.93 0.00 1.57 0.31 0.04 88.15 02:00:01 all 0.99 0.00 0.29 0.02 0.06 98.64 02:00:01 0 0.80 0.00 0.22 0.01 0.03 98.94 02:00:01 1 1.19 0.00 0.36 0.03 0.08 98.35 Average: all 1.85 0.03 0.36 0.11 0.04 97.62 Average: 0 1.93 0.03 0.35 0.15 0.03 97.52 Average: 1 1.77 0.03 0.37 0.08 0.04 97.72