---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31753 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 7.9G 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 751 5212 4 2270 7190 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:80:08:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81897sec preferred_lft 81897sec inet6 fe80::f816:3eff:fe80:829/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31753) 06/30/26 _x86_64_ (2 CPU) 01:46:31 LINUX RESTART (2 CPU) 01:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.68 0.03 1.63 0.03 1.28 19.42 673.95 02:10:07 1.42 0.01 1.40 0.01 0.05 16.08 1.07 02:20:19 1.43 0.00 1.41 0.02 0.01 16.10 1.29 02:30:01 14.58 0.00 1.63 12.95 0.15 18.44 113039.19 02:40:19 2.00 0.25 1.72 0.03 31.11 75.24 1.50 02:50:19 1.31 0.00 1.30 0.01 0.00 15.56 1.08 03:00:01 27.64 3.13 21.57 2.94 235.19 3699.58 2530.66 Average: 7.01 0.48 4.30 2.22 37.54 538.24 16170.39 01:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6287068 7533880 286596 3.52 30708 1421768 527632 5.75 447104 1183408 124 02:10:07 6294880 7542240 278256 3.42 30920 1422100 527664 5.75 447184 1183952 132 02:20:19 6296304 7544228 276252 3.40 31152 1422424 527664 5.75 447204 1184508 124 02:30:01 6295460 7543956 276412 3.40 31344 1422796 527728 5.75 447112 1185044 164 02:40:19 6252584 7528656 291256 3.58 31748 1449596 527892 5.75 456516 1203044 124 02:50:19 6260488 7537080 282828 3.48 31936 1449924 532648 5.80 454012 1203560 180 03:00:01 5286116 7349196 427264 5.25 88268 2143380 672492 7.32 661976 1907748 55568 Average: 6138986 7511319 302695 3.72 39439 1533141 549103 5.98 480158 1293038 8059 01:50:18 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 1.02 0.08 0.11 0.04 0.00 0.00 0.00 0.00 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 0.42 0.05 0.05 0.01 0.00 0.00 0.00 0.00 02:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:19 ens3 1.63 0.05 9.50 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 0.39 0.05 0.56 0.01 0.00 0.00 0.00 0.00 02:40:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:19 ens3 0.95 0.51 3.15 0.06 0.00 0.00 0.00 0.00 02:50:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:19 ens3 0.34 0.08 0.10 0.05 0.00 0.00 0.00 0.00 03:00:01 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 133.83 104.64 368.02 35.19 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 19.31 14.68 53.20 4.93 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31753) 06/30/26 _x86_64_ (2 CPU) 01:46:31 LINUX RESTART (2 CPU) 01:50:18 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.30 0.00 0.17 0.04 0.02 99.47 02:00:01 0 0.29 0.00 0.16 0.05 0.02 99.48 02:00:01 1 0.32 0.00 0.18 0.03 0.02 99.45 02:10:07 all 0.25 0.00 0.07 0.01 0.02 99.64 02:10:07 0 0.05 0.00 0.09 0.02 0.03 99.82 02:10:07 1 0.45 0.00 0.06 0.01 0.02 99.46 02:20:19 all 0.27 0.00 0.07 0.04 0.02 99.60 02:20:19 0 0.05 0.00 0.10 0.00 0.03 99.81 02:20:19 1 0.48 0.00 0.04 0.08 0.01 99.39 02:30:01 all 0.30 0.00 0.18 0.17 0.02 99.32 02:30:01 0 0.26 0.00 0.22 0.23 0.02 99.28 02:30:01 1 0.35 0.00 0.14 0.12 0.02 99.37 02:40:19 all 0.39 0.00 0.10 0.03 0.02 99.46 02:40:19 0 0.28 0.00 0.13 0.03 0.03 99.54 02:40:19 1 0.49 0.00 0.07 0.03 0.02 99.38 02:50:19 all 0.28 0.00 0.08 0.22 0.02 99.41 02:50:19 0 0.12 0.00 0.09 0.35 0.02 99.42 02:50:19 1 0.44 0.00 0.07 0.08 0.02 99.40 03:00:01 all 19.68 0.00 2.22 3.66 0.08 74.35 03:00:01 0 20.05 0.00 2.30 2.91 0.08 74.66 03:00:01 1 19.32 0.00 2.15 4.40 0.08 74.05 Average: all 2.99 0.00 0.40 0.58 0.03 96.00 Average: 0 2.93 0.00 0.43 0.50 0.03 96.10 Average: 1 3.05 0.00 0.38 0.66 0.03 95.89