---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1596 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 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 747 5126 4 2361 7194 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:9e:54:3e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79442sec preferred_lft 79442sec inet6 fe80::f816:3eff:fe9e:543e/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-1596) 08/03/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:14 1.57 0.02 1.52 0.03 0.85 18.70 427.64 00:20:19 1.63 0.11 1.49 0.02 3.45 19.43 230.81 00:30:01 14.60 0.00 1.62 12.98 0.15 20.22 113249.65 00:40:14 23.88 2.81 18.80 2.27 220.90 3408.44 639.65 00:50:01 1.32 0.01 1.30 0.02 0.30 27.49 1.13 01:00:01 1.51 0.00 1.48 0.03 0.00 23.98 1.48 01:10:23 1.26 0.00 1.25 0.02 0.00 15.58 1.16 01:20:01 1.57 0.02 1.53 0.03 0.62 146.07 411.93 01:30:01 1.59 0.00 1.55 0.04 0.00 32.77 1.20 01:40:14 4.33 0.04 3.41 0.89 1.06 255.39 1783.06 Average: 5.33 0.31 3.43 1.60 23.17 403.33 11307.73 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:14 6260588 7539912 279644 3.44 31080 1453460 523028 5.70 451128 1206164 180 00:20:19 6260532 7540788 278596 3.43 31408 1454008 523472 5.70 451608 1206800 224 00:30:01 6254212 7535164 284140 3.49 31600 1454468 523508 5.70 451644 1207320 244 00:40:14 5194124 7406828 358984 4.41 87276 2284756 622904 6.78 593980 2047724 388 00:50:01 5154504 7369964 395944 4.87 87432 2287420 643636 7.01 598944 2050544 276 01:00:01 5143564 7360984 404868 4.98 87600 2289220 662616 7.22 617228 2052504 240 01:10:23 5143564 7361540 404324 4.97 87772 2289600 662616 7.22 617252 2053064 192 01:20:01 5096856 7352452 413256 5.08 87964 2326868 651320 7.09 606464 2090276 404 01:30:01 5056648 7316480 449084 5.52 88108 2330916 685132 7.46 640536 2094452 276 01:40:14 5286876 7394492 380540 4.68 89792 2185568 679848 7.40 618764 1950644 23892 Average: 5485147 7417860 364938 4.49 71003 2035628 617808 6.73 564755 1795949 2632 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:14 ens3 0.50 0.11 0.12 0.06 0.00 0.00 0.00 0.00 00:20:19 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:19 ens3 0.38 0.12 0.11 0.06 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.49 0.13 0.13 0.06 0.00 0.00 0.00 0.00 00:40:14 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:14 ens3 68.02 44.95 311.36 11.73 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 25.96 21.96 229.19 2.34 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 9.13 8.27 61.28 0.88 0.00 0.00 0.00 0.00 01:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:23 ens3 0.42 0.08 0.08 0.04 0.00 0.00 0.00 0.00 01:20:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 19.27 17.05 192.99 1.82 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 21.71 20.60 224.74 2.00 0.00 0.00 0.00 0.00 01:40:14 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:40:14 ens3 17.02 13.70 69.08 9.02 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.31 12.69 108.32 2.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1596) 08/03/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:14 all 0.27 0.00 0.10 0.03 0.01 99.58 00:10:14 0 0.34 0.00 0.10 0.02 0.01 99.54 00:10:14 1 0.21 0.00 0.11 0.04 0.01 99.63 00:20:19 all 0.55 0.00 0.20 0.02 0.01 99.21 00:20:19 0 0.30 0.00 0.22 0.02 0.02 99.45 00:20:19 1 0.81 0.00 0.19 0.02 0.01 98.97 00:30:01 all 0.30 0.00 0.19 0.03 0.03 99.45 00:30:01 0 0.31 0.00 0.19 0.00 0.01 99.48 00:30:01 1 0.30 0.00 0.19 0.06 0.04 99.41 00:40:14 all 12.17 0.00 1.75 0.65 0.04 85.39 00:40:14 0 14.14 0.00 1.84 0.83 0.05 83.13 00:40:14 1 10.20 0.00 1.65 0.46 0.04 87.65 00:50:01 all 1.21 0.00 0.30 0.02 0.03 98.43 00:50:01 0 1.39 0.00 0.35 0.00 0.03 98.22 00:50:01 1 1.04 0.00 0.25 0.04 0.03 98.64 01:00:01 all 2.59 0.00 0.51 0.14 0.05 96.70 01:00:01 0 2.87 0.00 0.60 0.18 0.06 96.28 01:00:01 1 2.32 0.00 0.41 0.10 0.05 97.12 01:10:23 all 7.60 0.00 1.14 0.09 0.09 91.08 01:10:23 0 2.03 0.00 0.39 0.04 0.06 97.50 01:10:23 1 13.71 0.00 1.96 0.14 0.14 84.05 01:20:01 all 1.74 0.00 0.32 0.09 0.05 97.79 01:20:01 0 2.09 0.00 0.37 0.09 0.04 97.42 01:20:01 1 1.39 0.00 0.27 0.10 0.06 98.17 01:30:01 all 1.75 0.00 0.45 0.01 0.03 97.76 01:30:01 0 1.37 0.00 0.42 0.01 0.03 98.17 01:30:01 1 2.13 0.00 0.48 0.01 0.03 97.35 01:40:14 all 3.38 0.00 0.46 0.07 0.03 96.07 01:40:14 0 1.10 0.00 0.33 0.06 0.02 98.48 01:40:14 1 5.65 0.00 0.58 0.08 0.03 93.66 Average: all 3.18 0.00 0.54 0.12 0.04 96.12 Average: 0 2.62 0.00 0.48 0.13 0.03 96.74 Average: 1 3.75 0.00 0.61 0.11 0.04 95.50