---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22067 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 805 5165 4 2262 7135 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:36:a6:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82322sec preferred_lft 82322sec inet6 fe80::f816:3eff:fe36:a648/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22067) 06/01/26 _x86_64_ (2 CPU) 00:40:31 LINUX RESTART (2 CPU) 00:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.67 0.01 1.64 0.02 1.13 19.94 668.09 01:10:14 1.25 0.00 1.25 0.00 0.00 15.07 0.00 01:20:14 1.22 0.00 1.22 0.00 0.01 14.57 0.00 01:30:01 1.43 0.00 1.41 0.02 0.00 18.09 0.26 01:40:04 1.83 0.40 1.43 0.00 15.71 48.56 216.70 Average: 1.48 0.08 1.39 0.01 3.39 23.27 175.03 00:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6260248 7533624 286480 3.52 30928 1447784 519180 5.65 454904 1200852 160 01:10:14 6267596 7541468 278580 3.43 31096 1448108 519396 5.66 455284 1201340 124 01:20:14 6267096 7541476 278572 3.43 31268 1448436 519572 5.66 455816 1201844 140 01:30:01 6268624 7543552 276328 3.40 31468 1448768 574648 6.26 460772 1202372 284 01:40:04 6232964 7523072 296512 3.65 31776 1463568 542160 5.91 491148 1215832 292 Average: 6259306 7536638 283294 3.48 31307 1451333 534991 5.83 463585 1204448 200 00:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.51 0.07 0.07 0.04 0.00 0.00 0.00 0.00 01:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:14 ens3 0.57 0.08 0.14 0.05 0.00 0.00 0.00 0.00 01:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:14 ens3 0.52 0.10 0.13 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.67 0.05 0.12 0.03 0.00 0.00 0.00 0.00 01:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 13.79 5.05 20.28 3.32 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.23 1.08 4.18 0.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22067) 06/01/26 _x86_64_ (2 CPU) 00:40:31 LINUX RESTART (2 CPU) 00:50:14 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.17 0.01 0.03 99.50 01:00:01 0 0.28 0.00 0.16 0.01 0.03 99.51 01:00:01 1 0.29 0.00 0.18 0.01 0.04 99.48 01:10:14 all 0.28 0.00 0.07 0.01 0.03 99.61 01:10:14 0 0.14 0.00 0.09 0.00 0.03 99.75 01:10:14 1 0.42 0.00 0.05 0.02 0.03 99.48 01:20:14 all 0.25 0.00 0.07 0.01 0.03 99.64 01:20:14 0 0.06 0.00 0.08 0.00 0.03 99.83 01:20:14 1 0.45 0.00 0.07 0.02 0.03 99.45 01:30:01 all 0.29 0.00 0.18 0.01 0.03 99.49 01:30:01 0 0.38 0.00 0.16 0.01 0.03 99.43 01:30:01 1 0.20 0.00 0.19 0.02 0.03 99.55 01:40:04 all 0.49 0.00 0.10 0.01 0.03 99.37 01:40:04 0 0.47 0.00 0.10 0.01 0.02 99.39 01:40:04 1 0.50 0.00 0.10 0.01 0.03 99.35 Average: all 0.32 0.00 0.12 0.01 0.03 99.52 Average: 0 0.26 0.00 0.12 0.01 0.03 99.58 Average: 1 0.37 0.00 0.12 0.02 0.03 99.46