---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16626 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: 5600.00 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 746 5302 4 2181 7195 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:04:00:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80706sec preferred_lft 80706sec inet6 fe80::f816:3eff:fe04:33/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16626) 05/19/26 _x86_64_ (2 CPU) 00:41:51 LINUX RESTART (2 CPU) 00:50:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 14.53 0.01 1.57 12.94 0.21 18.53 113189.48 01:10:28 1.39 0.00 1.37 0.02 0.00 15.79 1.26 01:20:28 1.84 0.26 1.57 0.02 32.04 74.17 0.51 01:30:01 1.47 0.00 1.45 0.02 0.00 17.95 683.95 01:40:18 3.31 1.30 1.96 0.05 93.89 174.15 3.42 01:50:28 20.62 1.66 16.84 2.12 129.38 2958.61 1123.41 02:00:01 1.45 0.00 1.43 0.02 0.00 17.91 0.24 02:10:28 1.30 0.00 1.30 0.00 0.00 15.80 0.00 Average: 5.73 0.41 3.47 1.85 32.49 417.66 13907.14 00:50:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6296396 7543668 276808 3.40 30696 1422228 534192 5.82 451360 1183632 128 01:10:28 6295724 7543528 277000 3.41 30900 1422556 534216 5.82 451456 1184164 124 01:20:28 6257204 7532052 288016 3.54 31276 1448856 534476 5.82 460976 1201764 168 01:30:01 6244788 7520164 299824 3.69 31448 1449188 534552 5.82 461212 1202268 276 01:40:18 6013308 7410444 402472 4.95 41228 1555052 603848 6.58 553704 1305252 50064 01:50:28 5303080 7423348 348140 4.28 85152 2199000 630796 6.87 589468 1960092 188 02:00:01 5286652 7407400 364084 4.48 85272 2199352 630796 6.87 589692 1960572 252 02:10:28 5286652 7407892 363600 4.47 85408 2199708 630796 6.87 589676 1961064 188 Average: 5872976 7473562 327493 4.03 52672 1736992 579209 6.31 518443 1494851 6424 00:50:20 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 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:10:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:28 ens3 0.62 0.07 11.96 0.03 0.00 0.00 0.00 0.00 01:20:28 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:28 ens3 0.91 0.33 3.79 0.12 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 0.27 0.06 0.07 0.04 0.00 0.00 0.00 0.00 01:40:18 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:18 ens3 19.97 10.24 69.28 4.66 0.00 0.00 0.00 0.00 01:50:28 lo 1.26 1.26 0.07 0.07 0.00 0.00 0.00 0.00 01:50:28 ens3 45.24 30.69 229.68 6.67 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.90 0.18 0.13 0.05 0.00 0.00 0.00 0.00 02:10:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:28 ens3 0.53 0.16 0.08 0.03 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.77 5.32 40.11 1.48 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16626) 05/19/26 _x86_64_ (2 CPU) 00:41:51 LINUX RESTART (2 CPU) 00:50:20 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.18 0.03 0.02 99.48 01:00:01 0 0.09 0.00 0.18 0.02 0.02 99.69 01:00:01 1 0.48 0.00 0.18 0.04 0.02 99.28 01:10:28 all 0.27 0.00 0.06 0.01 0.02 99.64 01:10:28 0 0.05 0.00 0.08 0.01 0.02 99.83 01:10:28 1 0.48 0.00 0.05 0.01 0.01 99.45 01:20:28 all 0.39 0.00 0.10 0.02 0.02 99.46 01:20:28 0 0.29 0.00 0.12 0.03 0.03 99.54 01:20:28 1 0.50 0.00 0.09 0.02 0.02 99.38 01:30:01 all 0.31 0.00 0.16 0.02 0.02 99.49 01:30:01 0 0.14 0.00 0.15 0.03 0.02 99.66 01:30:01 1 0.48 0.00 0.17 0.01 0.02 99.32 01:40:18 all 1.44 0.00 0.25 0.06 0.02 98.23 01:40:18 0 1.22 0.00 0.32 0.03 0.03 98.40 01:40:18 1 1.65 0.00 0.18 0.10 0.02 98.06 01:50:28 all 9.57 0.00 1.44 0.50 0.05 88.44 01:50:28 0 10.72 0.00 1.50 0.51 0.04 87.22 01:50:28 1 8.42 0.00 1.39 0.48 0.06 89.65 02:00:01 all 0.44 0.00 0.22 0.03 0.03 99.28 02:00:01 0 0.37 0.00 0.26 0.02 0.04 99.31 02:00:01 1 0.51 0.00 0.19 0.03 0.03 99.25 02:10:28 all 0.40 0.00 0.13 0.08 0.03 99.36 02:10:28 0 0.32 0.00 0.17 0.11 0.04 99.37 02:10:28 1 0.48 0.00 0.10 0.04 0.02 99.36 Average: all 1.66 0.00 0.32 0.09 0.03 97.90 Average: 0 1.67 0.00 0.35 0.10 0.03 97.85 Average: 1 1.64 0.00 0.30 0.09 0.02 97.95