---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31761 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 8.0G 30G 22% / 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 801 5079 4 2361 7140 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:b5:d4:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81947sec preferred_lft 81947sec inet6 fe80::f816:3eff:feb5:d442/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31761) 06/30/26 _x86_64_ (2 CPU) 01:46:36 LINUX RESTART (2 CPU) 01:50:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:28 15.76 13.55 2.14 0.07 152.18 46.75 440.59 02:10:29 14.03 0.01 1.43 12.59 0.19 17.44 109123.82 02:20:29 1.89 0.25 1.62 0.02 30.98 75.88 1.01 02:30:29 1.60 0.01 1.58 0.02 1.05 19.42 0.29 02:40:28 1.29 0.00 1.29 0.00 0.00 15.69 0.00 02:50:29 1.38 0.00 1.38 0.00 0.00 16.79 0.00 03:00:09 28.88 3.18 22.37 3.33 240.89 3832.09 2149.91 Average: 9.17 2.43 4.46 2.28 59.91 559.24 16026.91 01:50:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:28 6224316 7527868 283376 3.48 34576 1466524 527492 5.75 440660 1230976 180 02:10:29 6230940 7535104 276044 3.39 34796 1466900 527492 5.75 440884 1231544 184 02:20:29 6182564 7513824 296800 3.65 35168 1493256 725832 7.91 455296 1249508 124 02:30:29 6185120 7517248 293288 3.61 35372 1493892 527644 5.75 450084 1250036 180 02:40:28 6199516 7532284 278240 3.42 35548 1494356 531928 5.79 451692 1250540 256 02:50:29 6206152 7539404 271152 3.33 35700 1494676 531992 5.79 451812 1251020 124 03:00:09 5271300 7375540 391200 4.81 92396 2172000 628144 6.84 625676 1937968 11264 Average: 6071415 7505896 298586 3.67 43365 1583086 571503 6.22 473729 1343085 1759 01:50:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:28 ens3 0.97 0.07 0.11 0.03 0.00 0.00 0.00 0.00 02:10:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:29 ens3 0.39 0.05 0.05 0.02 0.00 0.00 0.00 0.00 02:20:29 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:29 ens3 1.89 0.22 12.83 0.03 0.00 0.00 0.00 0.00 02:30:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:29 ens3 0.38 0.05 0.55 0.02 0.00 0.00 0.00 0.00 02:40:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:28 ens3 0.33 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:50:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:29 ens3 0.35 0.08 0.10 0.05 0.00 0.00 0.00 0.00 03:00:09 lo 1.36 1.36 0.08 0.08 0.00 0.00 0.00 0.00 03:00:09 ens3 138.35 111.18 417.03 38.29 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 19.81 15.50 59.83 5.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31761) 06/30/26 _x86_64_ (2 CPU) 01:46:36 LINUX RESTART (2 CPU) 01:50:28 CPU %user %nice %system %iowait %steal %idle 02:00:28 all 0.25 0.17 0.22 0.15 0.04 99.18 02:00:28 0 0.30 0.04 0.17 0.06 0.04 99.39 02:00:28 1 0.19 0.30 0.26 0.23 0.05 98.97 02:10:29 all 0.25 0.00 0.08 0.03 0.04 99.59 02:10:29 0 0.45 0.00 0.09 0.06 0.04 99.37 02:10:29 1 0.05 0.00 0.08 0.00 0.05 99.81 02:20:29 all 0.37 0.00 0.09 0.02 0.04 99.47 02:20:29 0 0.48 0.00 0.05 0.01 0.03 99.42 02:20:29 1 0.27 0.00 0.13 0.03 0.05 99.52 02:30:29 all 0.27 0.00 0.15 0.02 0.04 99.51 02:30:29 0 0.28 0.00 0.16 0.03 0.04 99.49 02:30:29 1 0.27 0.00 0.15 0.01 0.04 99.53 02:40:28 all 0.28 0.00 0.07 0.01 0.03 99.61 02:40:28 0 0.11 0.00 0.09 0.01 0.04 99.76 02:40:28 1 0.45 0.00 0.06 0.01 0.03 99.46 02:50:29 all 0.24 0.00 0.07 0.01 0.02 99.66 02:50:29 0 0.08 0.00 0.09 0.01 0.03 99.80 02:50:29 1 0.39 0.00 0.06 0.01 0.02 99.52 03:00:09 all 22.22 0.00 2.43 0.65 0.08 74.62 03:00:09 0 22.57 0.00 2.45 0.68 0.07 74.24 03:00:09 1 21.87 0.00 2.40 0.63 0.08 75.01 Average: all 3.31 0.02 0.43 0.12 0.04 96.07 Average: 0 3.37 0.01 0.43 0.12 0.04 96.03 Average: 1 3.25 0.04 0.44 0.13 0.04 96.10