---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23603 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 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 772 5036 4 2433 7168 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:e8:5c:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5412sec preferred_lft 5412sec inet6 fe80::f816:3eff:fee8:5c4a/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-23603) 06/05/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:11 1.88 0.01 1.85 0.02 0.80 21.79 212.96 00:20:11 1.79 0.11 1.65 0.03 3.05 23.44 663.21 00:30:02 1.75 0.00 1.73 0.02 0.00 19.01 220.08 00:40:04 24.44 3.01 19.13 2.29 225.62 3407.80 495.18 00:50:11 1.57 0.00 1.56 0.02 0.00 23.42 1.09 01:00:11 1.73 0.00 1.70 0.03 0.00 24.89 1.48 01:10:11 1.70 0.00 1.67 0.02 0.00 135.15 397.49 01:20:04 1.66 0.00 1.63 0.02 0.00 33.93 2.63 Average: 4.57 0.39 3.87 0.31 28.77 462.38 249.35 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:11 6109908 7510724 298164 3.67 55200 1541476 544548 5.93 473328 1314160 132 00:20:11 6145516 7507960 300940 3.70 55340 1502904 541800 5.90 471808 1275516 280 00:30:02 6162448 7525496 283304 3.48 55492 1503356 541800 5.90 471824 1275992 296 00:40:04 5120228 7395184 362120 4.45 105880 2320952 656972 7.16 607836 2098860 780 00:50:11 4986100 7263200 494172 6.08 106000 2322976 700384 7.63 642772 2101004 488 01:00:11 5073032 7351824 405424 4.99 106132 2324528 687456 7.49 629988 2102688 208 01:10:11 5009604 7324748 432212 5.31 106244 2360696 745728 8.12 637176 2138948 1596 01:20:04 4995132 7314100 443048 5.45 106380 2364320 709680 7.73 652088 2142720 424 Average: 5450246 7399154 377423 4.64 87084 2030151 641046 6.98 573352 1806236 526 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:11 ens3 0.19 0.05 0.07 0.03 0.00 0.00 0.00 0.00 00:20:11 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:11 ens3 0.12 0.04 0.04 0.02 0.00 0.00 0.00 0.00 00:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:02 ens3 0.52 0.12 0.18 0.10 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 66.28 47.20 315.47 13.24 0.00 0.00 0.00 0.00 00:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:11 ens3 23.70 20.53 248.61 1.70 0.00 0.00 0.00 0.00 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 6.71 6.21 33.28 0.75 0.00 0.00 0.00 0.00 01:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 16.11 14.21 157.37 1.71 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 4.45 4.04 29.30 0.47 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 14.81 11.59 98.47 2.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23603) 06/05/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:11 all 0.25 0.00 0.10 0.01 0.03 99.62 00:10:11 0 0.07 0.00 0.12 0.00 0.03 99.78 00:10:11 1 0.42 0.00 0.08 0.01 0.02 99.46 00:20:11 all 0.66 0.00 0.22 0.01 0.03 99.09 00:20:11 0 0.57 0.00 0.25 0.01 0.03 99.14 00:20:11 1 0.74 0.00 0.19 0.02 0.02 99.03 00:30:02 all 0.23 0.00 0.17 0.01 0.03 99.57 00:30:02 0 0.24 0.00 0.16 0.01 0.02 99.57 00:30:02 1 0.22 0.00 0.18 0.00 0.03 99.57 00:40:04 all 11.70 0.00 1.68 0.45 0.04 86.13 00:40:04 0 12.56 0.00 1.82 0.42 0.03 85.17 00:40:04 1 10.83 0.00 1.54 0.49 0.05 87.09 00:50:11 all 0.94 0.00 0.26 0.01 0.05 98.74 00:50:11 0 0.76 0.00 0.19 0.01 0.04 98.99 00:50:11 1 1.13 0.00 0.33 0.01 0.06 98.48 01:00:11 all 3.82 0.00 0.50 0.01 0.06 95.61 01:00:11 0 6.15 0.00 0.70 0.00 0.07 93.07 01:00:11 1 1.51 0.00 0.30 0.02 0.04 98.13 01:10:11 all 5.22 0.00 0.58 0.01 0.06 94.13 01:10:11 0 7.19 0.00 0.82 0.01 0.07 91.92 01:10:11 1 3.26 0.00 0.34 0.01 0.05 96.33 01:20:04 all 1.40 0.00 0.28 0.01 0.05 98.26 01:20:04 0 1.89 0.00 0.41 0.02 0.07 97.63 01:20:04 1 0.92 0.00 0.16 0.01 0.04 98.88 Average: all 3.03 0.00 0.47 0.07 0.04 96.39 Average: 0 3.67 0.00 0.56 0.06 0.04 95.67 Average: 1 2.38 0.00 0.39 0.07 0.04 97.12