---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10545 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 739 5311 4 2180 7202 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:ae:6f:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81715sec preferred_lft 81715sec inet6 fe80::f816:3eff:feae:6f5e/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-10545) 05/03/26 _x86_64_ (2 CPU) 00:42:05 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.36 0.01 1.34 0.02 0.05 17.24 869.82 01:10:02 1.73 0.26 1.46 0.01 32.01 73.16 0.23 01:20:01 1.14 0.00 1.13 0.01 0.01 14.24 0.72 01:30:01 1.46 0.00 1.43 0.03 0.00 18.38 873.32 01:40:02 13.71 0.00 1.17 12.54 0.15 14.75 108941.50 01:50:02 1.56 0.40 1.14 0.02 15.79 46.13 1.09 02:00:01 26.80 2.71 20.17 3.92 218.77 3376.80 4848.53 Average: 6.82 0.48 3.97 2.37 38.07 508.03 16525.68 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6294788 7541920 278480 3.42 30648 1422372 529712 5.77 444100 1183448 120 01:10:02 6243440 7517484 302512 3.72 30976 1448616 529748 5.77 453432 1200944 124 01:20:01 6243440 7517992 301972 3.71 31148 1448944 529948 5.77 456356 1201444 192 01:30:01 6241996 7517132 302800 3.72 31380 1449276 529948 5.77 456132 1202008 140 01:40:02 6242800 7518648 301236 3.70 31584 1449776 530352 5.78 457388 1202556 172 01:50:02 6205836 7506060 313336 3.85 31924 1473468 588240 6.41 501504 1225072 9324 02:00:01 5466988 7402616 378132 4.65 87960 2020320 627480 6.83 609976 1782260 27296 Average: 6134184 7503122 311210 3.83 39374 1530396 552204 6.01 482698 1285390 5338 00:50:00 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 0.99 0.08 0.13 0.03 0.00 0.00 0.00 0.00 01:10:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 1.71 0.23 9.81 0.05 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 0.54 0.09 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 0.44 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.65 0.21 0.13 0.54 0.00 0.00 0.00 0.00 01:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:02 ens3 9.12 5.68 38.69 2.67 0.00 0.00 0.00 0.00 02:00:01 lo 1.38 1.38 0.09 0.09 0.00 0.00 0.00 0.00 02:00:01 ens3 38.04 24.85 269.58 8.73 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.35 4.45 45.45 1.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10545) 05/03/26 _x86_64_ (2 CPU) 00:42:05 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.26 0.00 0.17 0.01 0.03 99.53 01:00:01 0 0.25 0.00 0.17 0.02 0.04 99.53 01:00:01 1 0.27 0.00 0.16 0.00 0.03 99.53 01:10:02 all 0.37 0.00 0.10 0.02 0.04 99.47 01:10:02 0 0.63 0.00 0.09 0.04 0.03 99.21 01:10:02 1 0.12 0.00 0.10 0.00 0.04 99.73 01:20:01 all 0.28 0.00 0.07 0.01 0.03 99.61 01:20:01 0 0.48 0.00 0.05 0.01 0.02 99.45 01:20:01 1 0.08 0.00 0.09 0.01 0.04 99.77 01:30:01 all 0.26 0.00 0.16 0.01 0.03 99.53 01:30:01 0 0.12 0.00 0.16 0.02 0.03 99.67 01:30:01 1 0.40 0.00 0.16 0.01 0.03 99.40 01:40:02 all 0.30 0.00 0.09 0.03 0.03 99.56 01:40:02 0 0.09 0.00 0.12 0.06 0.04 99.70 01:40:02 1 0.51 0.00 0.05 0.00 0.03 99.41 01:50:02 all 0.54 0.00 0.10 0.02 0.03 99.32 01:50:02 0 0.36 0.00 0.12 0.01 0.04 99.47 01:50:02 1 0.72 0.00 0.07 0.02 0.02 99.17 02:00:01 all 14.23 0.00 2.07 1.13 0.07 82.49 02:00:01 0 19.07 0.00 2.24 1.62 0.08 76.99 02:00:01 1 9.39 0.00 1.90 0.65 0.07 87.99 Average: all 2.32 0.00 0.39 0.18 0.04 97.08 Average: 0 2.99 0.00 0.42 0.25 0.04 96.30 Average: 1 1.64 0.00 0.36 0.10 0.04 97.86