---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66553 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 740 5234 4 2255 7201 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:71:57:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81208sec preferred_lft 81208sec inet6 fe80::f816:3eff:fe71:577d/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-66553) 04/05/26 _x86_64_ (2 CPU) 00:21:54 LINUX RESTART (2 CPU) 00:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:06 13.09 1.77 10.35 0.97 117.67 2050.64 205.44 00:50:06 1.12 0.00 1.11 0.02 0.00 13.95 1.20 01:00:06 11.39 1.59 8.51 1.30 150.99 1176.03 478.95 01:10:06 14.76 0.00 1.33 13.43 0.15 21.96 106797.02 01:20:06 1.37 0.00 1.37 0.00 0.01 131.28 0.01 01:30:06 1.53 0.00 1.51 0.02 0.00 32.16 403.29 01:40:06 1.40 0.00 1.39 0.01 0.00 28.08 0.12 Average: 6.38 0.48 3.65 2.25 38.40 493.44 15412.29 00:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:06 5589180 7403248 382360 4.70 68436 1921640 647212 7.05 584944 1703996 136 00:50:06 5588264 7402816 382860 4.71 68588 1921964 648036 7.06 585880 1704476 212 01:00:06 5207436 7315868 456080 5.61 84468 2188464 691372 7.53 649892 1946372 220 01:10:06 5258812 7369380 402440 4.95 84596 2190480 650144 7.08 600104 1948488 248 01:20:06 5224620 7370892 400624 4.93 84736 2225768 655028 7.13 604284 1983776 832 01:30:06 5222568 7374192 397256 4.88 84876 2230888 660216 7.19 609992 1989032 1732 01:40:06 5177952 7331860 439572 5.41 85020 2232992 693128 7.55 642768 1991288 228 Average: 5324119 7366894 408742 5.03 80103 2130314 663591 7.23 611123 1895347 515 00:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:06 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 00:40:06 ens3 39.83 22.05 259.44 6.13 0.00 0.00 0.00 0.00 00:50:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:06 ens3 2.35 0.45 0.60 0.23 0.00 0.00 0.00 0.00 01:00:06 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 01:00:06 ens3 38.21 30.23 182.05 6.58 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 11.36 10.76 140.10 1.02 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 7.75 6.89 50.44 1.15 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 12.14 11.46 141.48 1.40 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 14.89 14.43 223.34 1.48 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 18.08 13.75 142.49 2.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66553) 04/05/26 _x86_64_ (2 CPU) 00:21:54 LINUX RESTART (2 CPU) 00:30:06 CPU %user %nice %system %iowait %steal %idle 00:40:06 all 5.47 0.00 0.89 0.47 0.05 93.13 00:40:06 0 5.62 0.00 0.96 0.41 0.05 92.96 00:40:06 1 5.32 0.00 0.82 0.52 0.05 93.30 00:50:06 all 0.29 0.00 0.07 0.01 0.03 99.60 00:50:06 0 0.39 0.00 0.07 0.01 0.03 99.51 00:50:06 1 0.19 0.00 0.07 0.01 0.04 99.69 01:00:06 all 6.14 0.00 1.13 0.25 0.07 92.41 01:00:06 0 7.39 0.00 1.31 0.39 0.07 90.83 01:00:06 1 4.90 0.00 0.94 0.11 0.07 93.99 01:10:06 all 0.87 0.00 0.23 0.04 0.08 98.79 01:10:06 0 1.16 0.00 0.34 0.05 0.11 98.33 01:10:06 1 0.59 0.00 0.11 0.02 0.04 99.24 01:20:06 all 8.00 0.00 0.55 0.02 0.10 91.33 01:20:06 0 3.87 0.00 0.37 0.01 0.11 95.64 01:20:06 1 12.25 0.00 0.74 0.02 0.09 86.91 01:30:06 all 1.80 0.00 0.37 0.01 0.11 97.71 01:30:06 0 0.77 0.00 0.23 0.01 0.06 98.92 01:30:06 1 2.82 0.00 0.50 0.01 0.16 96.50 01:40:06 all 0.97 0.00 0.27 0.01 0.08 98.67 01:40:06 0 1.02 0.00 0.33 0.02 0.09 98.54 01:40:06 1 0.93 0.00 0.21 0.01 0.07 98.79 Average: all 3.35 0.00 0.50 0.11 0.07 95.96 Average: 0 2.89 0.00 0.52 0.13 0.07 96.39 Average: 1 3.81 0.00 0.48 0.10 0.07 95.53