---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22068 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 760 5071 4 2409 7181 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:19:08:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81240sec preferred_lft 81240sec inet6 fe80::f816:3eff:fe19:8ea/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-22068) 06/01/26 _x86_64_ (2 CPU) 00:40:52 LINUX RESTART (2 CPU) 00:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 1.54 0.01 1.50 0.03 0.05 18.29 873.49 01:10:08 15.55 13.53 1.96 0.07 151.02 43.30 7.57 01:20:08 1.86 0.25 1.58 0.03 30.99 74.28 1.27 01:30:08 1.78 0.00 1.74 0.03 1.05 20.85 1.48 01:40:04 1.78 0.40 1.36 0.02 15.95 47.84 1.21 01:50:08 22.38 2.60 17.51 2.27 210.31 3395.48 567.31 02:00:08 15.25 0.00 1.72 13.53 0.49 74.88 106395.18 Average: 8.62 2.40 3.93 2.29 58.76 528.35 15417.91 00:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 6293232 7540516 280288 3.45 30736 1422224 529964 5.77 446708 1183576 216 01:10:08 6238932 7543364 268372 3.30 34920 1466844 528700 5.76 446900 1231772 208 01:20:08 6171204 7502524 308708 3.80 35300 1492988 724916 7.90 461604 1249532 224 01:30:08 6174288 7506516 304688 3.75 35532 1493628 529232 5.76 456956 1250092 140 01:40:04 6167216 7514708 296292 3.64 35868 1508388 547264 5.96 485224 1263552 196 01:50:08 5148764 7404024 355016 4.37 90392 2317232 649284 7.07 595508 2082864 576 02:00:08 5128088 7399400 359508 4.42 90560 2333112 652048 7.10 597500 2098784 228 Average: 5903103 7487293 310410 3.82 50473 1719202 594487 6.48 498629 1480025 255 00:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 0.50 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 0.57 0.07 0.14 0.05 0.00 0.00 0.00 0.00 01:20:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.75 0.28 3.24 0.07 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.77 0.17 0.13 0.61 0.00 0.00 0.00 0.00 01:40:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 14.74 5.30 20.59 2.78 0.00 0.00 0.00 0.00 01:50:08 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:08 ens3 70.78 52.06 297.16 9.74 0.00 0.00 0.00 0.00 02:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 45.69 42.63 10.31 5.84 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 19.18 14.42 47.65 2.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22068) 06/01/26 _x86_64_ (2 CPU) 00:40:52 LINUX RESTART (2 CPU) 00:50:08 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 0.30 0.00 0.17 0.02 0.03 99.48 01:00:08 0 0.08 0.00 0.18 0.01 0.04 99.69 01:00:08 1 0.53 0.00 0.15 0.02 0.03 99.27 01:10:08 all 0.26 0.18 0.14 0.13 0.03 99.26 01:10:08 0 0.46 0.03 0.06 0.02 0.03 99.41 01:10:08 1 0.06 0.33 0.23 0.24 0.04 99.11 01:20:08 all 0.36 0.00 0.10 0.02 0.04 99.48 01:20:08 0 0.42 0.00 0.11 0.03 0.04 99.40 01:20:08 1 0.30 0.00 0.08 0.01 0.03 99.57 01:30:08 all 0.27 0.00 0.16 0.01 0.03 99.53 01:30:08 0 0.44 0.00 0.13 0.01 0.02 99.40 01:30:08 1 0.10 0.00 0.19 0.01 0.04 99.66 01:40:04 all 0.50 0.00 0.10 0.01 0.03 99.36 01:40:04 0 0.70 0.00 0.09 0.01 0.02 99.19 01:40:04 1 0.30 0.00 0.12 0.02 0.03 99.53 01:50:08 all 14.59 0.00 1.83 0.51 0.08 82.99 01:50:08 0 16.41 0.00 2.03 0.62 0.09 80.86 01:50:08 1 12.79 0.00 1.64 0.39 0.07 85.12 02:00:08 all 6.43 0.00 0.67 0.08 0.06 92.75 02:00:08 0 7.17 0.00 0.71 0.13 0.07 91.92 02:00:08 1 5.70 0.00 0.63 0.03 0.06 93.58 Average: all 3.25 0.03 0.45 0.11 0.04 96.12 Average: 0 3.67 0.00 0.47 0.12 0.04 95.70 Average: 1 2.83 0.05 0.44 0.10 0.04 96.54