---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1903 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 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 745 5218 4 2271 7196 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:56:16:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82416sec preferred_lft 82416sec inet6 fe80::f816:3eff:fe56:1602/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1903) 08/04/26 _x86_64_ (2 CPU) 00:39:35 LINUX RESTART (2 CPU) 00:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.87 0.03 1.82 0.02 1.43 29.47 219.39 01:00:22 1.52 0.01 1.50 0.01 0.05 18.04 421.30 01:10:22 1.29 0.00 1.29 0.00 0.00 15.16 0.00 01:20:00 1.90 0.26 1.62 0.01 32.15 78.72 0.30 01:30:22 13.84 0.01 1.72 12.11 1.16 20.55 105726.62 01:40:22 15.71 1.62 13.02 1.08 116.65 2469.87 683.16 Average: 6.07 0.32 3.48 2.27 24.91 435.89 18386.95 00:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6303628 7550168 270448 3.33 30540 1421920 530748 5.78 441280 1183500 124 01:00:22 6281248 7528320 292308 3.59 30724 1422260 530820 5.78 443972 1184016 68 01:10:22 6288344 7535920 284712 3.50 30892 1422584 531164 5.79 444432 1184516 176 01:20:00 6256820 7531740 288448 3.55 31240 1449228 731960 7.97 458872 1202744 192 01:30:22 6255484 7531324 288720 3.55 31436 1449920 531164 5.79 453456 1203284 184 01:40:22 5490916 7430868 349448 4.30 71908 2039628 598836 6.52 553096 1816652 13388 Average: 6146073 7518057 295681 3.64 37790 1534257 575782 6.27 465851 1295785 2355 00:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.46 0.16 0.41 0.12 0.00 0.00 0.00 0.00 01:00:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:22 ens3 0.99 0.15 0.21 0.10 0.00 0.00 0.00 0.00 01:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:22 ens3 1.68 0.22 6.25 0.61 0.00 0.00 0.00 0.00 01:20:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 1.09 0.48 3.50 0.10 0.00 0.00 0.00 0.00 01:30:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:22 ens3 0.29 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:40:22 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 01:40:22 ens3 38.49 24.12 278.54 6.15 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 7.46 4.17 47.87 1.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1903) 08/04/26 _x86_64_ (2 CPU) 00:39:35 LINUX RESTART (2 CPU) 00:40:03 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.31 0.00 0.17 0.01 0.04 99.46 00:50:01 0 0.12 0.00 0.18 0.01 0.05 99.64 00:50:01 1 0.51 0.00 0.16 0.01 0.03 99.29 01:00:22 all 0.29 0.00 0.16 0.01 0.04 99.50 01:00:22 0 0.26 0.00 0.15 0.01 0.04 99.54 01:00:22 1 0.32 0.00 0.17 0.01 0.05 99.45 01:10:22 all 0.26 0.00 0.06 0.01 0.03 99.63 01:10:22 0 0.10 0.00 0.08 0.01 0.04 99.77 01:10:22 1 0.43 0.00 0.04 0.01 0.02 99.49 01:20:00 all 0.36 0.00 0.10 0.02 0.04 99.48 01:20:00 0 0.07 0.00 0.09 0.02 0.04 99.78 01:20:00 1 0.65 0.00 0.11 0.02 0.03 99.18 01:30:22 all 0.29 0.00 0.16 0.03 0.04 99.48 01:30:22 0 0.29 0.00 0.16 0.01 0.04 99.51 01:30:22 1 0.29 0.00 0.16 0.05 0.04 99.46 01:40:22 all 6.36 0.00 0.93 0.35 0.05 92.31 01:40:22 0 3.85 0.00 0.75 0.34 0.06 95.01 01:40:22 1 8.88 0.00 1.12 0.35 0.04 89.62 Average: all 1.31 0.00 0.26 0.07 0.04 98.32 Average: 0 0.78 0.00 0.23 0.07 0.04 98.88 Average: 1 1.84 0.00 0.29 0.08 0.04 97.76