---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8460 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 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 794 5103 4 2341 7147 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:02:5d:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 45840sec preferred_lft 45840sec inet6 fe80::f816:3eff:fe02:5db4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8460) 04/28/26 _x86_64_ (2 CPU) 00:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:04 1.66 0.04 1.61 0.02 2.96 20.17 0.27 00:20:04 1.61 0.11 1.48 0.02 3.05 19.99 124.76 00:30:04 1.54 0.00 1.53 0.02 0.00 18.48 0.49 00:40:04 22.42 3.01 17.17 2.24 226.36 3121.01 500.86 00:50:04 1.62 0.00 1.60 0.02 0.00 24.40 1.13 01:00:01 1.86 0.00 1.81 0.04 0.00 26.66 1.62 01:10:04 1.55 0.00 1.51 0.04 0.00 137.81 388.63 01:20:04 1.63 0.00 1.59 0.04 0.00 31.25 315.73 01:30:01 1.80 0.00 1.74 0.06 0.00 26.67 2.00 Average: 3.97 0.35 3.34 0.28 25.83 380.96 148.69 00:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:04 6152196 7520844 289044 3.55 44964 1520092 547812 5.97 467040 1281504 248 00:20:04 6159860 7511484 298272 3.67 45124 1502824 546728 5.95 466852 1264180 236 00:30:04 6149336 7501412 308320 3.79 45244 1503148 546728 5.95 466656 1264624 216 00:40:04 5188532 7379256 382416 4.70 96176 2249860 672824 7.33 628516 2017152 224 00:50:04 5139588 7332428 429164 5.28 96316 2252000 683020 7.44 630552 2019308 200 01:00:01 5125864 7320524 441056 5.42 96444 2253568 702780 7.65 649744 2020992 256 01:10:04 5081068 7312316 449284 5.52 96640 2289884 706944 7.70 653800 2057500 304 01:20:04 5084876 7320760 440820 5.42 96820 2294268 693112 7.55 641240 2062076 460 01:30:01 5070704 7308508 453052 5.57 97004 2295976 726040 7.91 673876 2063968 240 Average: 5461336 7389726 387936 4.77 79415 2017958 647332 7.05 586475 1783478 265 00:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:04 ens3 0.23 0.07 0.08 0.04 0.00 0.00 0.00 0.00 00:20:04 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:04 ens3 0.32 0.08 0.10 0.05 0.00 0.00 0.00 0.00 00:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:04 ens3 0.57 0.15 0.21 0.12 0.00 0.00 0.00 0.00 00:40:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:04 ens3 62.28 45.23 302.91 12.88 0.00 0.00 0.00 0.00 00:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:04 ens3 23.81 20.28 251.81 1.74 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 6.62 6.11 33.45 0.74 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 15.85 14.69 156.44 1.61 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 16.52 15.69 141.83 1.67 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 12.83 12.43 140.62 1.11 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 15.45 12.75 114.22 2.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8460) 04/28/26 _x86_64_ (2 CPU) 00:00:04 CPU %user %nice %system %iowait %steal %idle 00:10:04 all 0.26 0.00 0.11 0.01 0.03 99.59 00:10:04 0 0.13 0.00 0.13 0.02 0.04 99.69 00:10:04 1 0.40 0.00 0.08 0.01 0.03 99.49 00:20:04 all 0.52 0.00 0.21 0.02 0.03 99.23 00:20:04 0 0.63 0.00 0.20 0.01 0.03 99.13 00:20:04 1 0.40 0.00 0.21 0.02 0.04 99.32 00:30:04 all 0.27 0.00 0.16 0.01 0.03 99.53 00:30:04 0 0.37 0.00 0.16 0.01 0.03 99.44 00:30:04 1 0.17 0.00 0.17 0.01 0.04 99.62 00:40:04 all 10.65 0.00 1.65 0.47 0.05 87.18 00:40:04 0 10.40 0.00 1.72 0.59 0.06 87.23 00:40:04 1 10.90 0.00 1.57 0.36 0.05 87.12 00:50:04 all 0.97 0.00 0.26 0.01 0.07 98.69 00:50:04 0 0.94 0.00 0.35 0.01 0.09 98.60 00:50:04 1 0.99 0.00 0.16 0.01 0.06 98.78 01:00:01 all 4.83 0.00 0.54 0.01 0.07 94.55 01:00:01 0 5.33 0.00 0.58 0.02 0.07 93.98 01:00:01 1 4.33 0.00 0.50 0.01 0.06 95.11 01:10:04 all 5.39 0.00 0.48 0.01 0.07 94.05 01:10:04 0 1.99 0.00 0.32 0.01 0.08 97.60 01:10:04 1 8.79 0.00 0.64 0.02 0.05 90.49 01:20:04 all 1.56 0.00 0.28 0.01 0.07 98.08 01:20:04 0 0.74 0.00 0.12 0.02 0.04 99.09 01:20:04 1 2.39 0.00 0.45 0.01 0.09 97.06 01:30:01 all 0.85 0.00 0.32 0.01 0.07 98.76 01:30:01 0 0.76 0.00 0.34 0.02 0.07 98.81 01:30:01 1 0.93 0.00 0.29 0.01 0.07 98.71 Average: all 2.81 0.00 0.45 0.06 0.05 96.63 Average: 0 2.36 0.00 0.44 0.08 0.06 97.07 Average: 1 3.26 0.00 0.45 0.05 0.05 96.19