---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1957 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 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 764 5195 4 2274 7177 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:8c:e5:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80366sec preferred_lft 80366sec inet6 fe80::f816:3eff:fe8c:e562/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1957) 08/04/26 _x86_64_ (2 CPU) 01:45:27 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:11 13.91 0.03 1.55 12.33 1.36 18.96 107937.73 02:10:12 1.35 0.01 1.33 0.02 0.05 16.04 1.09 02:20:01 1.38 0.00 1.37 0.02 0.01 16.16 1.22 02:30:13 2.12 0.25 1.83 0.04 31.39 78.44 428.32 02:40:13 1.41 0.00 1.39 0.02 0.00 16.98 1.20 02:50:01 14.55 1.65 11.94 0.96 118.82 2322.55 523.47 03:00:14 11.83 1.21 9.21 1.40 106.93 1244.17 457.81 03:10:14 1.46 0.00 1.46 0.00 0.00 17.48 0.00 03:20:01 1.23 0.00 1.23 0.00 0.00 14.90 0.00 Average: 5.49 0.35 3.48 1.67 28.80 414.30 12361.32 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:11 6278708 7526376 294216 3.62 30608 1422752 531516 5.79 447460 1183612 132 02:10:12 6278708 7526932 293664 3.61 30828 1423084 531688 5.79 447608 1184164 164 02:20:01 6285832 7534608 286012 3.52 31048 1423408 531792 5.79 447780 1184708 244 02:30:13 6251848 7528384 291700 3.59 31452 1450368 531792 5.79 457156 1202996 136 02:40:13 6240284 7517488 302588 3.72 31660 1450824 559648 6.10 485392 1203532 132 02:50:01 5446296 7386564 393496 4.84 71948 2039412 645180 7.03 595872 1815704 48380 03:00:14 5190260 7399980 366516 4.51 87696 2281516 653436 7.12 608048 2044700 132 03:10:14 5188748 7398980 367536 4.52 87848 2281888 653500 7.12 608172 2045212 208 03:20:01 5189088 7399776 366752 4.51 87948 2282232 653500 7.12 608056 2045668 244 Average: 5816641 7468788 329164 4.05 54560 1783943 588006 6.40 522838 1545588 5530 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:11 ens3 0.67 0.05 0.07 0.01 0.00 0.00 0.00 0.00 02:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 0.34 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.67 0.07 7.00 0.04 0.00 0.00 0.00 0.00 02:30:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:13 ens3 0.39 0.21 3.16 0.03 0.00 0.00 0.00 0.00 02:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:13 ens3 6.16 3.56 4.13 3.18 0.00 0.00 0.00 0.00 02:50:01 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 02:50:01 ens3 40.00 26.79 283.63 10.13 0.00 0.00 0.00 0.00 03:00:14 lo 1.16 1.16 0.06 0.06 0.00 0.00 0.00 0.00 03:00:14 ens3 30.47 20.51 39.21 5.64 0.00 0.00 0.00 0.00 03:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:14 ens3 2.66 0.30 0.44 0.13 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.50 0.17 0.10 0.05 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 5.73 37.02 2.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1957) 08/04/26 _x86_64_ (2 CPU) 01:45:27 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:11 all 0.33 0.00 0.18 0.03 0.04 99.41 02:00:11 0 0.22 0.00 0.17 0.02 0.04 99.55 02:00:11 1 0.44 0.00 0.20 0.05 0.04 99.28 02:10:12 all 0.26 0.00 0.10 0.01 0.03 99.60 02:10:12 0 0.33 0.00 0.08 0.01 0.03 99.54 02:10:12 1 0.18 0.00 0.11 0.01 0.04 99.66 02:20:01 all 0.23 0.00 0.09 0.01 0.03 99.64 02:20:01 0 0.41 0.00 0.07 0.01 0.03 99.48 02:20:01 1 0.06 0.00 0.10 0.00 0.04 99.80 02:30:13 all 0.40 0.00 0.19 0.02 0.03 99.35 02:30:13 0 0.45 0.00 0.19 0.03 0.03 99.30 02:30:13 1 0.36 0.00 0.19 0.01 0.03 99.41 02:40:13 all 0.36 0.00 0.11 0.03 0.03 99.47 02:40:13 0 0.38 0.00 0.09 0.01 0.02 99.50 02:40:13 1 0.34 0.00 0.13 0.05 0.04 99.45 02:50:01 all 6.43 0.00 0.94 0.34 0.04 92.25 02:50:01 0 6.19 0.00 0.88 0.31 0.03 92.60 02:50:01 1 6.67 0.00 1.00 0.37 0.05 91.90 03:00:14 all 6.00 0.00 1.02 0.22 0.05 92.70 03:00:14 0 5.87 0.00 1.05 0.29 0.06 92.72 03:00:14 1 6.13 0.00 0.99 0.15 0.05 92.68 03:10:14 all 0.40 0.00 0.15 0.01 0.06 99.38 03:10:14 0 0.35 0.00 0.16 0.01 0.07 99.42 03:10:14 1 0.44 0.00 0.15 0.01 0.05 99.35 03:20:01 all 0.38 0.00 0.13 0.01 0.07 99.42 03:20:01 0 0.30 0.00 0.14 0.01 0.07 99.48 03:20:01 1 0.46 0.00 0.12 0.01 0.06 99.35 Average: all 1.64 0.00 0.32 0.08 0.04 97.91 Average: 0 1.61 0.00 0.32 0.08 0.04 97.95 Average: 1 1.68 0.00 0.33 0.07 0.04 97.88