---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30629 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 8.1G 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 741 5044 4 2449 7200 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:00:df:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80599sec preferred_lft 80599sec inet6 fe80::f816:3eff:fe00:dfe1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30629) 06/26/26 _x86_64_ (2 CPU) 01:49:39 LINUX RESTART (2 CPU) 01:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 15.28 0.32 2.24 12.72 36.21 92.31 110918.02 02:10:05 1.22 0.01 1.22 0.00 0.05 14.81 0.12 02:20:22 1.25 0.00 1.25 0.00 0.01 15.31 0.04 02:30:00 1.40 0.00 1.38 0.02 0.00 16.68 677.96 02:40:22 1.22 0.00 1.22 0.00 0.00 14.89 0.00 02:50:22 1.34 0.00 1.34 0.00 0.00 15.65 0.00 03:00:01 1.50 0.00 1.47 0.03 0.00 18.08 452.16 03:10:22 1.84 0.39 1.43 0.02 15.30 47.26 1.06 03:20:22 24.55 2.60 19.64 2.31 210.24 3619.69 1470.81 Average: 5.48 0.37 3.46 1.66 29.03 427.15 12447.94 01:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6267128 7541572 278784 3.43 30736 1449048 520268 5.67 452360 1200684 292 02:10:05 6266160 7541140 279216 3.43 30932 1449380 520304 5.67 452304 1201212 264 02:20:22 6280384 7555900 264300 3.25 31136 1449708 575556 6.27 457716 1201740 180 02:30:00 6274160 7550192 270004 3.32 31304 1450032 520480 5.67 452600 1202236 180 02:40:22 6265860 7542532 277688 3.41 31480 1450492 528656 5.76 453176 1202744 124 02:50:22 6268156 7545332 274924 3.38 31652 1450816 535028 5.83 453736 1203240 124 03:00:01 6260580 7538296 281868 3.47 31856 1451140 535084 5.83 453788 1203768 248 03:10:22 6210828 7512840 306932 3.77 32192 1474800 595836 6.49 498088 1226240 9176 03:20:22 5124396 7378312 388456 4.78 87360 2326460 730908 7.96 625268 2089464 1976 Average: 6135295 7522902 291352 3.58 37628 1550208 562458 6.13 477671 1303481 1396 01:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 2.13 0.42 3.67 0.13 0.00 0.00 0.00 0.00 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 0.56 0.05 0.06 0.01 0.00 0.00 0.00 0.00 02:20:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:22 ens3 0.55 0.04 1.73 0.02 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.37 0.05 0.07 0.01 0.00 0.00 0.00 0.00 02:40:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:22 ens3 0.41 0.07 0.10 0.05 0.00 0.00 0.00 0.00 02:50:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:22 ens3 0.65 0.26 0.21 0.58 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.35 0.11 0.12 0.06 0.00 0.00 0.00 0.00 03:10:22 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:10:22 ens3 9.95 6.15 37.47 2.72 0.00 0.00 0.00 0.00 03:20:22 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:20:22 ens3 61.73 45.02 328.17 11.65 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 8.53 5.80 41.32 1.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30629) 06/26/26 _x86_64_ (2 CPU) 01:49:39 LINUX RESTART (2 CPU) 01:50:06 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.50 0.00 0.31 0.07 0.02 99.10 02:00:01 0 0.41 0.00 0.33 0.10 0.02 99.15 02:00:01 1 0.60 0.00 0.30 0.05 0.02 99.04 02:10:05 all 0.29 0.00 0.08 0.01 0.02 99.61 02:10:05 0 0.19 0.00 0.09 0.01 0.02 99.69 02:10:05 1 0.39 0.00 0.07 0.00 0.02 99.52 02:20:22 all 0.26 0.00 0.09 0.39 0.12 99.13 02:20:22 0 0.32 0.00 0.08 0.15 0.13 99.32 02:20:22 1 0.21 0.00 0.11 0.64 0.11 98.94 02:30:00 all 0.28 0.00 0.18 0.12 0.02 99.40 02:30:00 0 0.44 0.00 0.17 0.23 0.02 99.13 02:30:00 1 0.12 0.00 0.18 0.01 0.02 99.66 02:40:22 all 0.30 0.00 0.08 0.02 0.02 99.58 02:40:22 0 0.27 0.00 0.07 0.03 0.01 99.62 02:40:22 1 0.34 0.00 0.09 0.01 0.02 99.54 02:50:22 all 0.32 0.00 0.08 0.16 0.02 99.43 02:50:22 0 0.35 0.00 0.06 0.11 0.01 99.47 02:50:22 1 0.29 0.00 0.09 0.21 0.02 99.39 03:00:01 all 0.28 0.00 0.18 0.03 0.01 99.49 03:00:01 0 0.10 0.00 0.21 0.05 0.02 99.62 03:00:01 1 0.46 0.00 0.15 0.01 0.01 99.36 03:10:22 all 0.54 0.00 0.15 0.06 0.07 99.17 03:10:22 0 0.46 0.00 0.16 0.05 0.10 99.23 03:10:22 1 0.62 0.00 0.15 0.07 0.04 99.12 03:20:22 all 18.46 0.00 2.33 0.71 0.08 78.42 03:20:22 0 17.12 0.00 2.41 0.53 0.08 79.87 03:20:22 1 19.80 0.00 2.25 0.90 0.08 76.96 Average: all 2.34 0.00 0.38 0.17 0.04 97.06 Average: 0 2.17 0.00 0.39 0.14 0.05 97.25 Average: 1 2.51 0.00 0.37 0.21 0.04 96.87