---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25569 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 8.0G 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 737 5220 4 2275 7204 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:f5:15:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80305sec preferred_lft 80305sec inet6 fe80::f816:3eff:fef5:151c/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-25569) 06/07/26 _x86_64_ (2 CPU) 01:42:12 LINUX RESTART (2 CPU) 01:50:41 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:22 1.66 0.01 1.62 0.03 0.06 19.48 451.15 02:10:42 1.85 0.24 1.58 0.03 29.97 72.50 1.33 02:20:42 1.38 0.01 1.37 0.00 1.07 16.00 0.29 02:30:12 1.60 0.00 1.59 0.01 0.00 18.76 0.28 02:40:42 1.32 0.00 1.32 0.00 0.00 15.62 0.00 02:50:02 1.35 0.00 1.35 0.00 0.00 15.59 0.00 03:00:00 14.10 0.00 1.48 12.62 0.15 18.23 109616.82 03:10:00 24.49 3.01 19.19 2.29 227.62 3442.40 471.87 03:20:00 1.37 0.00 1.36 0.01 0.00 22.66 0.08 Average: 5.48 0.37 3.44 1.67 29.09 407.71 12317.62 01:50:41 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:22 6288944 7540408 279832 3.44 30744 1426316 530308 5.78 447108 1187540 184 02:10:42 6232864 7511080 308688 3.80 31140 1452344 725700 7.90 461476 1205188 160 02:20:42 6242888 7521936 297824 3.66 31308 1452988 530496 5.78 456268 1205692 152 02:30:12 6244672 7524208 295540 3.63 31472 1453288 530504 5.78 456476 1206164 124 02:40:42 6244672 7524856 294884 3.63 31632 1453768 530504 5.78 456676 1206676 124 02:50:02 6244672 7525320 294440 3.62 31792 1454076 530568 5.78 456928 1207136 272 03:00:00 6247560 7528732 291012 3.58 31964 1454392 530644 5.78 457416 1207632 152 03:10:00 5174984 7382872 384080 4.72 87008 2280996 634064 6.91 595920 2043680 368 03:20:00 5150464 7360156 406616 5.00 87152 2282660 704716 7.68 608540 2045496 140 Average: 6007969 7491063 316991 3.90 43801 1634536 583056 6.35 488534 1390578 186 01:50:41 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:22 ens3 0.68 0.06 0.09 0.04 0.00 0.00 0.00 0.00 02:10:42 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:42 ens3 0.50 0.21 3.04 0.03 0.00 0.00 0.00 0.00 02:20:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:42 ens3 0.42 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 0.19 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:42 ens3 0.56 0.05 0.76 0.05 0.00 0.00 0.00 0.00 02:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 0.26 0.05 0.07 0.04 0.00 0.00 0.00 0.00 03:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:00 ens3 0.49 0.23 0.14 0.55 0.00 0.00 0.00 0.00 03:10:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:00 ens3 67.73 45.89 329.63 11.63 0.00 0.00 0.00 0.00 03:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:00 ens3 10.30 8.79 71.66 0.85 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.08 6.20 45.42 1.48 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25569) 06/07/26 _x86_64_ (2 CPU) 01:42:12 LINUX RESTART (2 CPU) 01:50:41 CPU %user %nice %system %iowait %steal %idle 02:00:22 all 0.30 0.00 0.17 0.05 0.03 99.44 02:00:22 0 0.11 0.00 0.18 0.08 0.04 99.60 02:00:22 1 0.50 0.00 0.17 0.03 0.03 99.28 02:10:42 all 0.35 0.00 0.10 0.04 0.03 99.48 02:10:42 0 0.27 0.00 0.12 0.05 0.04 99.52 02:10:42 1 0.44 0.00 0.08 0.02 0.03 99.43 02:20:42 all 0.25 0.00 0.08 0.03 0.03 99.61 02:20:42 0 0.19 0.00 0.08 0.01 0.03 99.70 02:20:42 1 0.31 0.00 0.08 0.05 0.03 99.53 02:30:12 all 0.26 0.00 0.17 0.03 0.03 99.52 02:30:12 0 0.07 0.00 0.18 0.02 0.04 99.69 02:30:12 1 0.45 0.00 0.15 0.04 0.02 99.35 02:40:42 all 0.28 0.00 0.07 0.01 0.03 99.61 02:40:42 0 0.05 0.00 0.08 0.02 0.03 99.81 02:40:42 1 0.51 0.00 0.05 0.01 0.03 99.41 02:50:02 all 0.24 0.00 0.09 0.03 0.03 99.62 02:50:02 0 0.08 0.00 0.10 0.05 0.03 99.75 02:50:02 1 0.41 0.00 0.08 0.01 0.03 99.48 03:00:00 all 0.29 0.00 0.18 0.04 0.03 99.48 03:00:00 0 0.22 0.00 0.20 0.05 0.03 99.50 03:00:00 1 0.35 0.00 0.15 0.02 0.02 99.45 03:10:00 all 12.55 0.00 1.81 0.85 0.06 84.73 03:10:00 0 10.69 0.00 1.68 0.65 0.06 86.91 03:10:00 1 14.40 0.00 1.95 1.04 0.06 82.55 03:20:00 all 0.87 0.00 0.22 0.02 0.04 98.85 03:20:00 0 0.85 0.00 0.19 0.01 0.05 98.89 03:20:00 1 0.89 0.00 0.25 0.02 0.03 98.81 Average: all 1.72 0.00 0.32 0.12 0.03 97.80 Average: 0 1.40 0.00 0.31 0.10 0.04 98.14 Average: 1 2.04 0.00 0.33 0.14 0.03 97.47