---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53628 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: 5599.94 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 732 5321 4 2176 7208 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:73:76:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82193sec preferred_lft 82193sec inet6 fe80::f816:3eff:fe73:7609/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53628) 03/28/26 _x86_64_ (2 CPU) 00:42:52 LINUX RESTART (2 CPU) 00:50:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:16 1.72 0.01 1.68 0.03 1.11 19.83 436.61 01:10:14 1.38 0.00 1.38 0.00 0.00 15.90 0.00 01:20:16 1.37 0.00 1.37 0.00 0.01 16.23 0.00 01:30:16 1.58 0.00 1.57 0.01 0.00 18.68 435.59 01:40:14 1.53 0.03 1.50 0.00 2.15 17.79 0.04 01:50:16 22.06 3.15 16.68 2.23 230.43 3116.66 650.23 Average: 4.95 0.53 4.04 0.38 39.04 535.40 254.00 00:50:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:16 6250856 7527552 292692 3.60 30868 1451124 521192 5.68 460372 1200092 124 01:10:14 6251112 7528308 291928 3.59 31036 1451452 521332 5.68 460556 1200588 156 01:20:16 6266164 7543884 276332 3.40 31224 1451780 521356 5.68 460968 1201104 200 01:30:16 6254348 7532596 287604 3.54 31408 1452116 521420 5.68 461132 1201616 180 01:40:14 6253136 7532664 287544 3.54 31584 1453204 522276 5.69 463016 1202200 128 01:50:16 5358460 7469116 302836 3.72 85780 2188980 547936 5.97 547028 1946728 2356 Average: 6105679 7522353 289823 3.56 40317 1574776 525919 5.73 475512 1325388 524 00:50:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:16 ens3 0.54 0.07 0.08 0.03 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 0.47 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:16 ens3 0.57 0.08 0.13 0.06 0.00 0.00 0.00 0.00 01:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:16 ens3 0.46 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:14 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:14 ens3 0.52 0.22 0.13 0.60 0.00 0.00 0.00 0.00 01:50:16 lo 1.31 1.31 0.09 0.09 0.00 0.00 0.00 0.00 01:50:16 ens3 60.93 43.20 297.04 11.16 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 10.61 7.30 49.71 1.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53628) 03/28/26 _x86_64_ (2 CPU) 00:42:52 LINUX RESTART (2 CPU) 00:50:16 CPU %user %nice %system %iowait %steal %idle 01:00:16 all 0.29 0.00 0.16 0.03 0.04 99.48 01:00:16 0 0.13 0.00 0.17 0.05 0.05 99.62 01:00:16 1 0.46 0.00 0.16 0.01 0.03 99.35 01:10:14 all 0.26 0.00 0.07 0.01 0.04 99.62 01:10:14 0 0.29 0.00 0.06 0.01 0.04 99.60 01:10:14 1 0.22 0.00 0.08 0.01 0.05 99.64 01:20:16 all 0.18 0.00 0.07 0.01 0.04 99.69 01:20:16 0 0.12 0.00 0.06 0.02 0.04 99.76 01:20:16 1 0.24 0.00 0.08 0.01 0.04 99.63 01:30:16 all 0.27 0.00 0.16 0.01 0.04 99.52 01:30:16 0 0.07 0.00 0.16 0.01 0.05 99.72 01:30:16 1 0.47 0.00 0.16 0.01 0.04 99.32 01:40:14 all 0.28 0.00 0.08 0.01 0.04 99.58 01:40:14 0 0.07 0.00 0.09 0.02 0.06 99.76 01:40:14 1 0.49 0.00 0.06 0.00 0.03 99.41 01:50:16 all 10.51 0.00 1.63 0.52 0.05 87.29 01:50:16 0 12.01 0.00 1.83 0.69 0.06 85.43 01:50:16 1 9.02 0.00 1.43 0.36 0.05 89.14 Average: all 1.97 0.00 0.36 0.10 0.04 97.53 Average: 0 2.12 0.00 0.39 0.13 0.05 97.31 Average: 1 1.82 0.00 0.33 0.07 0.04 97.75