---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1621 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 760 5276 4 2193 7181 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:d1:0c:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81430sec preferred_lft 81430sec inet6 fe80::f816:3eff:fed1:c05/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1621) 04/10/26 _x86_64_ (2 CPU) 00:40:41 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.38 0.01 1.34 0.03 0.05 17.33 873.03 01:10:01 1.16 0.00 1.15 0.01 0.00 14.19 1.08 01:20:01 1.16 0.00 1.15 0.02 0.01 14.16 1.20 01:30:01 1.96 0.32 1.59 0.05 40.06 74.96 654.53 01:40:01 13.80 0.00 1.24 12.56 0.15 15.39 109122.04 01:50:01 1.27 0.06 1.21 0.01 3.32 17.75 0.48 02:00:01 22.85 2.96 17.64 2.25 224.92 3163.72 531.24 Average: 6.23 0.48 3.61 2.13 38.36 473.93 15883.72 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6275464 7526348 293868 3.61 30800 1425908 519652 5.66 445452 1187656 124 01:10:01 6280636 7532052 288188 3.54 30996 1426244 519788 5.66 445600 1188184 128 01:20:01 6294328 7546280 273952 3.37 31200 1426568 520560 5.67 446240 1188712 152 01:30:01 6237464 7518564 301052 3.70 31612 1454896 520756 5.67 457744 1206076 236 01:40:01 6245272 7527072 292388 3.60 31800 1455392 520752 5.67 457996 1206604 132 01:50:01 6245048 7529096 290284 3.57 32012 1457540 524252 5.71 465068 1208384 136 02:00:01 5289536 7408240 363140 4.47 85444 2197568 622872 6.78 592680 1956860 144 Average: 6123964 7512522 300410 3.69 39123 1549159 535519 5.83 472969 1306068 150 00:50:01 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 0.52 0.06 0.08 0.03 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 0.41 0.04 0.08 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.47 0.10 0.12 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.59 0.32 3.09 0.55 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 0.41 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 2.01 1.02 2.79 0.37 0.00 0.00 0.00 0.00 02:00:01 lo 1.30 1.30 0.11 0.11 0.00 0.00 0.00 0.00 02:00:01 ens3 104.12 71.68 304.91 16.72 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.51 10.47 44.46 2.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1621) 04/10/26 _x86_64_ (2 CPU) 00:40:41 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.19 0.01 0.03 99.50 01:00:01 0 0.35 0.00 0.19 0.00 0.02 99.44 01:00:01 1 0.20 0.00 0.19 0.02 0.03 99.55 01:10:01 all 0.26 0.00 0.07 0.01 0.02 99.64 01:10:01 0 0.37 0.00 0.06 0.01 0.02 99.54 01:10:01 1 0.15 0.00 0.08 0.01 0.03 99.73 01:20:01 all 0.29 0.00 0.07 0.01 0.03 99.61 01:20:01 0 0.37 0.00 0.07 0.02 0.03 99.52 01:20:01 1 0.20 0.00 0.08 0.01 0.03 99.69 01:30:01 all 0.41 0.00 0.20 0.03 0.02 99.34 01:30:01 0 0.60 0.00 0.20 0.04 0.02 99.14 01:30:01 1 0.21 0.00 0.21 0.02 0.03 99.54 01:40:01 all 0.24 0.00 0.07 0.03 0.02 99.63 01:40:01 0 0.20 0.00 0.08 0.03 0.02 99.66 01:40:01 1 0.28 0.00 0.07 0.04 0.02 99.60 01:50:01 all 0.32 0.00 0.07 0.01 0.02 99.58 01:50:01 0 0.55 0.00 0.04 0.02 0.02 99.38 01:50:01 1 0.09 0.00 0.09 0.00 0.03 99.79 02:00:01 all 13.68 0.00 2.03 0.52 0.05 83.71 02:00:01 0 11.98 0.00 1.77 0.55 0.05 85.65 02:00:01 1 15.38 0.00 2.29 0.50 0.05 81.78 Average: all 2.21 0.00 0.39 0.09 0.03 97.29 Average: 0 2.06 0.00 0.34 0.09 0.03 97.48 Average: 1 2.36 0.00 0.43 0.08 0.03 97.10