---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-54472 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 7.9G 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 767 5132 4 2338 7174 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:c9:32:c3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 23966sec preferred_lft 23966sec inet6 fe80::f816:3eff:fec9:32c3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54472) 04/01/26 _x86_64_ (2 CPU) 00:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:08 1.77 0.01 1.74 0.01 0.81 20.87 0.23 00:20:01 1.79 0.11 1.65 0.03 3.09 23.03 491.03 00:30:09 1.80 0.00 1.78 0.02 0.00 20.70 0.49 00:40:04 23.27 3.03 18.00 2.24 227.75 3169.47 688.36 00:50:01 1.57 0.00 1.54 0.02 0.00 23.76 1.88 01:00:10 1.73 0.00 1.69 0.04 0.00 25.31 1.48 01:10:10 1.53 0.00 1.50 0.03 0.00 133.70 400.74 01:20:01 1.61 0.00 1.58 0.03 0.00 35.67 1.22 01:30:11 1.70 0.00 1.66 0.04 0.00 25.11 0.87 Average: 4.06 0.35 3.44 0.27 25.50 383.18 174.86 00:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:08 6119892 7505712 303276 3.73 49764 1532156 736296 8.02 479640 1297936 204 00:20:01 6126888 7484264 324576 3.99 49956 1503460 733960 7.99 478512 1269208 148 00:30:09 6129744 7487704 321140 3.95 50096 1503892 733960 7.99 478588 1269720 276 00:40:04 5212580 7397752 363524 4.47 100240 2240328 831668 9.06 609636 2011196 760 00:50:01 5148852 7335964 425352 5.23 100364 2242216 858104 9.35 627756 2013092 300 01:00:10 5155816 7344916 416260 5.12 100508 2244072 860496 9.37 630668 2015076 300 01:10:10 5128656 7352860 408308 5.02 100628 2279036 864716 9.42 632432 2050128 284 01:20:01 5109636 7339520 421572 5.18 100740 2284496 853756 9.30 621880 2055736 280 01:30:11 5114728 7346756 414248 5.09 100864 2286472 885696 9.65 653852 2057832 288 Average: 5471866 7399494 377584 4.64 83684 2012903 817628 8.91 579218 1782214 316 00:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:08 ens3 0.31 0.06 0.08 0.03 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 0.13 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:09 ens3 0.48 0.11 0.17 0.09 0.00 0.00 0.00 0.00 00:40:04 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:04 ens3 61.57 43.04 300.83 13.24 0.00 0.00 0.00 0.00 00:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 17.98 13.91 227.73 1.30 0.00 0.00 0.00 0.00 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 7.54 6.72 57.46 0.79 0.00 0.00 0.00 0.00 01:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:10 ens3 11.03 9.22 156.62 1.03 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 14.71 13.44 144.06 1.79 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 10.96 10.55 137.60 1.01 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 13.78 10.74 113.42 2.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54472) 04/01/26 _x86_64_ (2 CPU) 00:00:04 CPU %user %nice %system %iowait %steal %idle 00:10:08 all 0.25 0.00 0.10 0.01 0.04 99.60 00:10:08 0 0.13 0.00 0.11 0.01 0.04 99.71 00:10:08 1 0.37 0.00 0.10 0.01 0.04 99.48 00:20:01 all 0.62 0.00 0.21 0.01 0.04 99.12 00:20:01 0 0.67 0.00 0.18 0.02 0.03 99.11 00:20:01 1 0.57 0.00 0.24 0.01 0.06 99.13 00:30:09 all 0.25 0.00 0.17 0.01 0.04 99.53 00:30:09 0 0.27 0.00 0.17 0.01 0.04 99.51 00:30:09 1 0.22 0.00 0.17 0.01 0.05 99.54 00:40:04 all 10.86 0.00 1.69 0.62 0.07 86.76 00:40:04 0 10.62 0.00 1.47 0.52 0.07 87.33 00:40:04 1 11.10 0.00 1.91 0.72 0.07 86.20 00:50:01 all 0.92 0.00 0.26 0.02 0.09 98.71 00:50:01 0 1.09 0.00 0.27 0.04 0.08 98.52 00:50:01 1 0.76 0.00 0.24 0.00 0.09 98.91 01:00:10 all 3.01 0.00 0.53 0.01 0.08 96.37 01:00:10 0 3.98 0.00 0.60 0.01 0.08 95.33 01:00:10 1 2.05 0.00 0.46 0.01 0.09 97.39 01:10:10 all 3.81 0.00 0.50 0.02 0.10 95.57 01:10:10 0 3.68 0.00 0.44 0.02 0.07 95.80 01:10:10 1 3.94 0.00 0.57 0.02 0.13 95.34 01:20:01 all 1.95 0.00 0.32 0.01 0.10 97.62 01:20:01 0 1.41 0.00 0.26 0.01 0.08 98.24 01:20:01 1 2.49 0.00 0.37 0.01 0.13 97.01 01:30:11 all 0.90 0.00 0.31 0.01 0.10 98.68 01:30:11 0 0.98 0.00 0.31 0.01 0.11 98.59 01:30:11 1 0.81 0.00 0.31 0.02 0.08 98.78 Average: all 2.49 0.00 0.45 0.08 0.07 96.90 Average: 0 2.52 0.00 0.42 0.07 0.07 96.92 Average: 1 2.46 0.00 0.48 0.09 0.08 96.88