---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29314 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 759 5208 4 2265 7182 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:91:ca:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.118/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82087sec preferred_lft 82087sec inet6 fe80::f816:3eff:fe91:ca25/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29314) 06/22/26 _x86_64_ (2 CPU) 01:47:14 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.63 0.02 1.59 0.01 1.24 19.67 435.70 02:10:01 1.36 0.01 1.34 0.01 0.05 16.26 0.84 02:20:03 1.32 0.00 1.30 0.02 0.01 15.46 1.09 02:30:03 1.51 0.00 1.48 0.03 0.00 18.32 654.85 02:40:01 1.86 0.25 1.58 0.03 31.04 75.49 1.34 02:50:03 1.41 0.00 1.39 0.02 1.05 16.60 1.25 Average: 1.51 0.05 1.45 0.02 5.55 26.94 182.49 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6284128 7535168 285388 3.51 30628 1426028 534908 5.83 447368 1187520 200 02:10:01 6283388 7534976 285608 3.51 30840 1426360 534988 5.83 447504 1188064 252 02:20:03 6286576 7538692 281852 3.47 31040 1426684 535132 5.83 447576 1188588 200 02:30:03 6281924 7534596 285908 3.52 31252 1427016 535132 5.83 447584 1189132 220 02:40:01 6224772 7504424 315600 3.88 31632 1453264 732532 7.98 462120 1206996 240 02:50:03 6232432 7513064 306932 3.77 31832 1454040 562556 6.13 460536 1207524 260 Average: 6265537 7526820 293548 3.61 31204 1435565 572541 6.24 452115 1194637 229 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.04 0.07 0.11 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.54 0.05 0.07 0.02 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.43 0.03 1.73 0.01 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 0.30 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.91 0.50 3.22 0.07 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 0.50 0.28 0.14 0.45 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 0.62 0.16 0.89 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29314) 06/22/26 _x86_64_ (2 CPU) 01:47:14 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.31 0.00 0.20 1.07 0.02 98.40 02:00:01 0 0.36 0.00 0.20 1.20 0.02 98.23 02:00:01 1 0.25 0.00 0.20 0.95 0.02 98.58 02:10:01 all 0.26 0.00 0.09 0.01 0.01 99.63 02:10:01 0 0.12 0.00 0.09 0.01 0.01 99.77 02:10:01 1 0.41 0.00 0.08 0.01 0.01 99.49 02:20:03 all 0.26 0.00 0.08 2.31 0.01 97.33 02:20:03 0 0.16 0.00 0.09 4.62 0.01 95.11 02:20:03 1 0.37 0.00 0.06 0.01 0.01 99.55 02:30:03 all 0.28 0.00 0.17 0.30 0.01 99.24 02:30:03 0 0.19 0.00 0.18 0.22 0.01 99.39 02:30:03 1 0.36 0.00 0.17 0.37 0.01 99.09 02:40:01 all 0.41 0.00 0.12 0.03 0.01 99.43 02:40:01 0 0.61 0.00 0.12 0.03 0.01 99.22 02:40:01 1 0.20 0.00 0.11 0.04 0.02 99.63 02:50:03 all 0.30 0.00 0.08 0.07 0.01 99.54 02:50:03 0 0.19 0.00 0.09 0.11 0.01 99.60 02:50:03 1 0.41 0.00 0.07 0.04 0.01 99.47 Average: all 0.30 0.00 0.12 0.63 0.01 98.93 Average: 0 0.27 0.00 0.13 1.03 0.01 98.55 Average: 1 0.34 0.00 0.11 0.24 0.01 99.30