---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27717 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 8.1G 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 774 5018 4 2450 7167 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:0b:40:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82054sec preferred_lft 82054sec inet6 fe80::f816:3eff:fe0b:4077/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27717) 06/16/26 _x86_64_ (2 CPU) 01:48:08 LINUX RESTART (2 CPU) 01:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.63 0.03 1.58 0.02 2.33 18.82 443.63 02:10:52 1.39 0.01 1.37 0.01 0.05 15.96 0.79 02:20:12 1.47 0.00 1.45 0.02 0.01 16.54 1.16 02:30:01 1.57 0.00 1.54 0.03 0.00 18.37 666.85 02:40:52 1.56 0.00 1.53 0.02 0.00 18.20 201.80 02:50:12 14.94 0.00 1.47 13.46 0.16 16.89 116916.79 03:00:01 27.79 3.11 21.44 3.25 236.72 3755.80 1179.74 Average: 7.01 0.44 4.30 2.27 33.65 543.26 15982.79 01:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6266556 7539836 280060 3.44 30744 1447860 522440 5.69 452168 1200492 124 02:10:52 6272636 7546528 273396 3.36 30988 1448216 522528 5.69 452440 1201092 148 02:20:12 6270212 7544596 275320 3.39 31180 1448540 522764 5.69 452532 1201580 160 02:30:01 6267212 7542148 277788 3.42 31392 1448840 522712 5.69 452428 1202120 240 02:40:52 6262928 7538492 281412 3.46 31636 1449204 522712 5.69 452696 1202728 124 02:50:12 6262676 7538908 280960 3.45 31828 1449700 522740 5.69 453048 1203232 224 03:00:01 5163848 7359508 407784 5.01 89088 2266988 656948 7.16 648380 2030736 13612 Average: 6109438 7515717 296674 3.65 39551 1565621 541835 5.90 480527 1320283 2090 01:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.34 0.06 0.15 0.03 0.00 0.00 0.00 0.00 02:10:52 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:52 ens3 0.34 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 0.64 0.04 5.82 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:52 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:52 ens3 0.27 0.04 0.07 0.03 0.00 0.00 0.00 0.00 02:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:12 ens3 0.32 0.10 0.11 0.06 0.00 0.00 0.00 0.00 03:00:01 lo 1.36 1.36 0.09 0.09 0.00 0.00 0.00 0.00 03:00:01 ens3 113.99 78.49 331.95 20.21 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 16.47 11.09 47.53 2.87 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27717) 06/16/26 _x86_64_ (2 CPU) 01:48:08 LINUX RESTART (2 CPU) 01:50:12 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.30 0.00 0.17 0.02 0.02 99.49 02:00:01 0 0.24 0.00 0.17 0.03 0.02 99.54 02:00:01 1 0.37 0.00 0.16 0.01 0.02 99.45 02:10:52 all 0.25 0.00 0.07 0.02 0.02 99.64 02:10:52 0 0.26 0.00 0.07 0.01 0.01 99.64 02:10:52 1 0.23 0.00 0.08 0.04 0.02 99.63 02:20:12 all 0.26 0.00 0.07 0.02 0.02 99.63 02:20:12 0 0.05 0.00 0.09 0.01 0.02 99.83 02:20:12 1 0.47 0.00 0.05 0.03 0.01 99.44 02:30:01 all 0.28 0.00 0.16 0.01 0.02 99.54 02:30:01 0 0.16 0.00 0.17 0.01 0.02 99.64 02:30:01 1 0.39 0.00 0.15 0.01 0.02 99.43 02:40:52 all 0.25 0.00 0.08 0.01 0.02 99.64 02:40:52 0 0.33 0.00 0.08 0.00 0.02 99.56 02:40:52 1 0.17 0.00 0.08 0.02 0.02 99.71 02:50:12 all 0.31 0.00 0.10 0.05 0.02 99.53 02:50:12 0 0.43 0.00 0.08 0.01 0.01 99.47 02:50:12 1 0.19 0.00 0.12 0.08 0.02 99.60 03:00:01 all 15.78 0.00 2.25 0.77 0.05 81.14 03:00:01 0 15.18 0.00 2.26 0.59 0.05 81.92 03:00:01 1 16.39 0.00 2.24 0.96 0.06 80.36 Average: all 2.45 0.00 0.41 0.13 0.02 96.99 Average: 0 2.35 0.00 0.41 0.09 0.02 97.13 Average: 1 2.56 0.00 0.41 0.16 0.02 96.85