---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-65883 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 8.2G 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 751 4901 4 2588 7189 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:0e:cc:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78874sec preferred_lft 78874sec inet6 fe80::f816:3eff:fe0e:cc60/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65883) 04/02/26 _x86_64_ (2 CPU) 00:43:51 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:25 1.54 0.01 1.51 0.02 0.05 17.92 420.44 01:10:25 1.31 0.00 1.30 0.02 0.00 15.33 1.20 01:20:15 1.93 0.33 1.58 0.02 40.76 73.55 0.76 01:30:25 1.52 0.00 1.51 0.01 0.00 17.81 0.26 01:40:05 1.35 0.00 1.35 0.00 0.00 15.59 0.00 01:50:25 34.47 2.94 16.94 14.59 221.04 3036.97 105724.93 02:00:05 1.54 0.00 1.52 0.02 0.00 22.17 0.23 02:10:25 1.30 0.00 1.30 0.00 0.00 16.14 0.00 02:20:25 15.77 13.54 2.17 0.06 150.68 259.85 6.25 02:30:25 1.78 0.00 1.73 0.05 0.00 337.60 0.52 02:40:05 1.23 0.00 1.22 0.01 0.00 15.39 0.10 Average: 5.89 1.54 2.97 1.39 38.09 356.89 9966.51 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:25 6291812 7542428 277816 3.42 30704 1425556 527192 5.74 448400 1187368 184 01:10:25 6291364 7542532 277752 3.42 30912 1425888 529092 5.76 449704 1187920 176 01:20:15 6247928 7528108 291672 3.59 31284 1454156 527464 5.75 460420 1205184 160 01:30:25 6263804 7544508 275216 3.38 31456 1454484 527528 5.75 460124 1205684 124 01:40:05 6262228 7543548 276180 3.40 31616 1454936 527528 5.75 460804 1206168 236 01:50:25 5286852 7399080 372312 4.58 85072 2191188 628876 6.85 592556 1950284 404 02:00:05 5024008 7136724 634652 7.80 85192 2191612 870116 9.48 833200 1950836 184 02:10:25 5049872 7163240 608168 7.48 85336 2192128 861924 9.39 807700 1951496 124 02:20:25 4968312 7218204 543712 6.69 88756 2316388 825748 8.99 773440 2078568 15276 02:30:25 4570820 6902740 857680 10.55 88968 2397044 947052 10.32 895132 2159308 164 02:40:05 4773536 7106024 654424 8.05 89136 2397440 910180 9.91 858396 2159872 200 Average: 5548231 7329740 460871 5.67 61676 1900075 698427 7.61 639989 1658426 1567 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:25 ens3 0.63 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:25 ens3 0.54 0.06 1.74 0.03 0.00 0.00 0.00 0.00 01:20:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:15 ens3 0.84 0.26 3.85 0.07 0.00 0.00 0.00 0.00 01:30:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:25 ens3 0.28 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 0.38 0.09 0.11 0.06 0.00 0.00 0.00 0.00 01:50:25 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:25 ens3 52.39 40.87 287.83 11.12 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 41.30 37.65 638.82 2.59 0.00 0.00 0.00 0.00 02:10:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:25 ens3 80.40 76.12 1303.51 4.99 0.00 0.00 0.00 0.00 02:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:25 ens3 28.48 26.81 448.86 1.79 0.00 0.00 0.00 0.00 02:30:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:25 ens3 38.72 33.33 550.39 2.21 0.00 0.00 0.00 0.00 02:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 8.41 5.55 83.25 0.42 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 23.18 20.29 304.13 2.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65883) 04/02/26 _x86_64_ (2 CPU) 00:43:51 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:25 all 0.26 0.00 0.15 0.01 0.02 99.55 01:00:25 0 0.46 0.00 0.14 0.01 0.02 99.38 01:00:25 1 0.07 0.00 0.16 0.02 0.03 99.72 01:10:25 all 0.22 0.00 0.07 0.01 0.03 99.67 01:10:25 0 0.22 0.00 0.07 0.01 0.02 99.68 01:10:25 1 0.21 0.00 0.08 0.02 0.03 99.67 01:20:15 all 0.39 0.00 0.10 0.03 0.03 99.44 01:20:15 0 0.15 0.00 0.12 0.03 0.04 99.66 01:20:15 1 0.63 0.00 0.08 0.04 0.02 99.23 01:30:25 all 0.24 0.00 0.16 0.01 0.03 99.57 01:30:25 0 0.08 0.00 0.16 0.01 0.03 99.73 01:30:25 1 0.40 0.00 0.16 0.01 0.03 99.40 01:40:05 all 0.23 0.00 0.07 0.01 0.03 99.65 01:40:05 0 0.40 0.00 0.06 0.01 0.02 99.51 01:40:05 1 0.07 0.00 0.09 0.01 0.04 99.79 01:50:25 all 10.53 0.00 1.55 0.62 0.05 87.25 01:50:25 0 9.11 0.00 1.54 0.35 0.04 88.96 01:50:25 1 11.95 0.00 1.57 0.89 0.05 85.54 02:00:05 all 0.71 0.00 0.41 0.09 0.05 98.74 02:00:05 0 0.55 0.00 0.37 0.09 0.06 98.93 02:00:05 1 0.86 0.00 0.44 0.09 0.05 98.55 02:10:25 all 1.07 0.00 0.57 0.05 0.05 98.26 02:10:25 0 1.56 0.00 0.96 0.04 0.06 97.39 02:10:25 1 0.58 0.00 0.17 0.07 0.04 99.14 02:20:25 all 0.79 0.19 0.36 0.27 0.06 98.34 02:20:25 0 0.86 0.05 0.39 0.24 0.05 98.41 02:20:25 1 0.72 0.33 0.33 0.30 0.06 98.27 02:30:25 all 0.88 0.00 0.35 0.03 0.05 98.69 02:30:25 0 0.64 0.00 0.27 0.05 0.04 99.00 02:30:25 1 1.13 0.00 0.43 0.02 0.05 98.37 02:40:05 all 0.40 0.00 0.16 0.01 0.05 99.38 02:40:05 0 0.32 0.00 0.14 0.01 0.05 99.47 02:40:05 1 0.47 0.00 0.18 0.01 0.05 99.28 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.46 0.02 0.36 0.11 0.04 98.01 Average: 0 1.33 0.00 0.39 0.08 0.04 98.16 Average: 1 1.59 0.03 0.34 0.14 0.04 97.87