---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4770 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 8.2G 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 778 4813 4 2651 7163 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:21:3e:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.248/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5309sec preferred_lft 5309sec inet6 fe80::f816:3eff:fe21:3e4a/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-4770) 04/21/26 _x86_64_ (2 CPU) 00:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:26 1.63 0.01 1.60 0.01 0.80 19.21 0.21 00:20:01 1.77 0.11 1.63 0.03 3.18 23.18 974.58 00:30:26 1.58 0.00 1.57 0.01 0.00 17.56 0.36 00:40:01 22.43 3.09 17.35 1.99 232.04 2589.85 1314.95 00:50:01 4.06 0.05 3.69 0.33 3.47 664.87 60.51 01:00:16 1.66 0.00 1.62 0.03 0.00 19.44 1.46 01:10:26 1.58 0.00 1.55 0.03 0.00 297.53 3.10 01:20:01 1.72 0.00 1.71 0.01 0.00 337.13 1.77 01:30:26 1.98 0.00 1.96 0.02 0.00 22.99 0.37 Average: 4.17 0.35 3.56 0.27 25.50 430.16 251.14 00:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:26 6126112 7528220 280716 3.45 54148 1543840 537872 5.86 470076 1312560 280 00:20:01 6133288 7497332 311484 3.83 54300 1505568 535708 5.83 468728 1274224 240 00:30:26 6147768 7512276 296432 3.65 54432 1505892 535784 5.84 468896 1274676 264 00:40:01 5208336 7396136 365444 4.49 102940 2240492 609496 6.64 599412 2013004 159200 00:50:01 4953536 7146312 614900 7.56 103700 2244356 848344 9.24 812936 2017156 272 01:00:16 4980836 7174244 586944 7.22 103792 2244892 786980 8.57 734208 2017796 220 01:10:26 4900680 7182960 577448 7.10 103936 2332936 848160 9.24 796808 2105968 2064 01:20:01 4692832 7066972 691916 8.51 104048 2423396 975228 10.62 924024 2196556 276 01:30:26 4717564 7092276 666560 8.20 104184 2423824 934312 10.18 883216 2197120 128 Average: 5317884 7288525 487983 6.00 87276 2051688 734654 8.00 684256 1823229 18105 00:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:26 ens3 0.22 0.07 0.07 0.04 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.18 0.06 0.05 0.02 0.00 0.00 0.00 0.00 00:30:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:26 ens3 0.59 0.16 0.22 0.13 0.00 0.00 0.00 0.00 00:40:01 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 38.45 27.81 306.66 8.30 0.00 0.00 0.00 0.00 00:50:01 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 53.52 46.19 550.26 6.37 0.00 0.00 0.00 0.00 01:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:16 ens3 72.16 69.92 1189.41 4.71 0.00 0.00 0.00 0.00 01:10:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:26 ens3 26.72 25.44 431.57 1.72 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 26.08 25.45 431.31 1.74 0.00 0.00 0.00 0.00 01:30:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:26 ens3 11.48 11.11 195.55 0.77 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 25.45 22.92 345.95 2.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4770) 04/21/26 _x86_64_ (2 CPU) 00:00:16 CPU %user %nice %system %iowait %steal %idle 00:10:26 all 0.20 0.00 0.10 0.01 0.02 99.67 00:10:26 0 0.23 0.00 0.10 0.01 0.02 99.64 00:10:26 1 0.17 0.00 0.11 0.01 0.02 99.69 00:20:01 all 0.65 0.00 0.21 0.01 0.02 99.11 00:20:01 0 0.88 0.00 0.19 0.01 0.02 98.90 00:20:01 1 0.41 0.00 0.23 0.01 0.02 99.32 00:30:26 all 0.23 0.00 0.15 0.01 0.02 99.59 00:30:26 0 0.39 0.00 0.13 0.01 0.01 99.46 00:30:26 1 0.07 0.00 0.18 0.01 0.02 99.72 00:40:01 all 9.87 0.00 1.46 0.52 0.03 88.11 00:40:01 0 10.09 0.00 1.31 0.67 0.03 87.90 00:40:01 1 9.65 0.00 1.60 0.38 0.04 88.33 00:50:01 all 2.00 0.00 0.48 0.05 0.04 97.42 00:50:01 0 1.57 0.00 0.35 0.07 0.03 97.98 00:50:01 1 2.43 0.00 0.61 0.04 0.06 96.87 01:00:16 all 1.01 0.00 0.58 0.01 0.05 98.35 01:00:16 0 1.46 0.00 0.98 0.00 0.06 97.50 01:00:16 1 0.56 0.00 0.19 0.01 0.03 99.20 01:10:26 all 0.73 0.00 0.26 0.01 0.05 98.95 01:10:26 0 0.70 0.00 0.25 0.01 0.05 98.99 01:10:26 1 0.77 0.00 0.27 0.02 0.04 98.90 01:20:01 all 0.78 0.00 0.21 0.01 0.04 98.95 01:20:01 0 0.59 0.00 0.18 0.01 0.04 99.18 01:20:01 1 0.98 0.00 0.23 0.02 0.05 98.72 01:30:26 all 0.55 0.00 0.31 0.08 0.04 99.02 01:30:26 0 0.57 0.00 0.18 0.11 0.02 99.11 01:30:26 1 0.53 0.00 0.44 0.06 0.05 98.92 Average: all 1.74 0.00 0.41 0.08 0.03 97.74 Average: 0 1.79 0.00 0.40 0.10 0.03 97.68 Average: 1 1.68 0.00 0.42 0.06 0.04 97.80