---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32479 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 8.0G 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 785 5091 4 2357 7156 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:6c:11:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80396sec preferred_lft 80396sec inet6 fe80::f816:3eff:fe6c:11a4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32479) 07/03/26 _x86_64_ (2 CPU) 00:38:14 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 13.78 0.03 1.22 12.53 1.39 15.21 109196.75 01:00:00 1.36 0.01 1.32 0.03 0.05 16.87 872.76 01:10:00 1.21 0.00 1.19 0.02 0.00 14.67 1.20 01:20:00 1.75 0.26 1.46 0.03 32.04 74.72 1.51 01:30:00 1.44 0.00 1.40 0.04 0.00 18.20 872.17 01:40:00 1.13 0.00 1.12 0.01 0.00 13.60 1.08 01:50:00 1.24 0.00 1.24 0.00 0.00 14.68 0.24 02:00:00 24.81 2.99 19.51 2.31 226.93 3481.05 607.59 02:10:00 1.37 0.00 1.36 0.00 0.00 60.23 0.03 Average: 5.34 0.37 3.31 1.66 28.93 412.14 12394.61 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 6278748 7525660 294648 3.62 30556 1422236 522604 5.69 450092 1183324 160 01:00:00 6276408 7523904 296376 3.64 30792 1422568 522628 5.69 450132 1183892 124 01:10:00 6283012 7531036 289240 3.56 30992 1422892 522968 5.70 453524 1184416 124 01:20:00 6232848 7508312 311528 3.83 31364 1449608 523072 5.70 463128 1202428 156 01:30:00 6235624 7511680 308068 3.79 31600 1449940 523064 5.70 462892 1202996 124 01:40:00 6243212 7519908 299828 3.69 31780 1450392 523136 5.70 463120 1203500 132 01:50:00 6242708 7519912 299812 3.69 31956 1450716 523200 5.70 463324 1204000 132 02:00:00 5158340 7365000 401892 4.94 87144 2279832 663972 7.23 627060 2042884 192 02:10:00 5149648 7370352 396496 4.88 87268 2293772 665552 7.25 628604 2056932 1028 Average: 6011172 7486196 321988 3.96 43717 1626884 554466 6.04 495764 1384930 241 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 2.63 0.11 0.36 0.06 0.00 0.00 0.00 0.00 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.53 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.88 0.34 0.23 0.71 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 0.79 0.32 3.28 0.08 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.32 0.07 0.07 0.03 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.36 0.08 0.10 0.05 0.00 0.00 0.00 0.00 01:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:00 ens3 0.29 0.09 0.08 0.04 0.00 0.00 0.00 0.00 02:00:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:00 ens3 80.52 59.15 319.86 12.89 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 44.91 39.94 9.43 5.47 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 14.58 11.13 37.06 2.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32479) 07/03/26 _x86_64_ (2 CPU) 00:38:14 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 0.24 0.00 0.11 0.03 0.02 99.60 00:50:00 0 0.25 0.00 0.12 0.05 0.02 99.56 00:50:00 1 0.23 0.00 0.10 0.01 0.02 99.63 01:00:00 all 0.32 0.00 0.17 0.01 0.02 99.49 01:00:00 0 0.24 0.00 0.19 0.00 0.02 99.56 01:00:00 1 0.40 0.00 0.15 0.02 0.02 99.42 01:10:00 all 0.30 0.00 0.07 0.01 0.02 99.61 01:10:00 0 0.14 0.00 0.07 0.01 0.02 99.76 01:10:00 1 0.46 0.00 0.06 0.01 0.02 99.45 01:20:00 all 0.34 0.00 0.10 0.02 0.01 99.52 01:20:00 0 0.09 0.00 0.09 0.03 0.02 99.78 01:20:00 1 0.59 0.00 0.11 0.02 0.01 99.27 01:30:00 all 0.28 0.00 0.16 0.01 0.02 99.54 01:30:00 0 0.31 0.00 0.17 0.02 0.02 99.48 01:30:00 1 0.24 0.00 0.14 0.01 0.02 99.59 01:40:00 all 0.24 0.00 0.06 0.01 0.02 99.68 01:40:00 0 0.30 0.00 0.06 0.01 0.01 99.63 01:40:00 1 0.18 0.00 0.07 0.01 0.02 99.72 01:50:00 all 0.25 0.00 0.06 0.01 0.02 99.67 01:50:00 0 0.05 0.00 0.08 0.01 0.02 99.85 01:50:00 1 0.45 0.00 0.04 0.01 0.01 99.48 02:00:00 all 14.64 0.00 2.01 0.71 0.06 82.57 02:00:00 0 12.96 0.00 1.71 0.53 0.06 84.74 02:00:00 1 16.32 0.00 2.31 0.90 0.05 80.42 02:10:00 all 5.92 0.00 0.53 0.11 0.05 93.39 02:10:00 0 5.94 0.00 0.51 0.13 0.06 93.37 02:10:00 1 5.91 0.00 0.54 0.09 0.05 93.41 Average: all 2.49 0.00 0.36 0.10 0.03 97.02 Average: 0 2.24 0.00 0.33 0.09 0.03 97.32 Average: 1 2.74 0.00 0.39 0.12 0.02 96.72