---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2205 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: 5599.86 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 763 5175 4 2291 7178 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:90:c3:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78020sec preferred_lft 78020sec inet6 fe80::f816:3eff:fe90:c3fc/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-2205) 04/12/26 _x86_64_ (2 CPU) 01:45:36 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:05 1.34 0.02 1.31 0.01 1.23 17.83 649.12 02:10:05 13.72 0.01 1.17 12.54 0.20 15.59 109189.52 02:20:01 0.96 0.00 0.95 0.00 0.01 13.45 0.12 02:30:05 1.13 0.00 1.11 0.01 0.00 15.69 649.42 02:40:05 1.54 0.31 1.21 0.01 39.01 70.77 0.17 02:50:01 0.98 0.01 0.97 0.00 1.06 13.28 0.17 03:00:05 1.12 0.00 1.09 0.03 0.00 15.55 649.43 03:10:05 22.67 3.02 17.40 2.25 227.76 3139.37 1032.28 03:20:01 1.13 0.00 1.11 0.02 0.00 20.47 1.26 03:30:05 1.31 0.00 1.27 0.03 0.00 20.65 1.50 03:40:05 1.23 0.00 1.21 0.02 0.00 138.38 397.49 03:50:01 1.31 0.01 1.27 0.03 0.20 66.18 1.40 04:00:05 1.32 0.00 1.29 0.03 0.00 23.75 0.74 Average: 3.82 0.26 2.41 1.15 20.72 274.52 8655.49 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:05 6267492 7524684 295780 3.64 30752 1432208 530708 5.78 449092 1191048 192 02:10:05 6269392 7527144 293256 3.61 30940 1432580 530708 5.78 449180 1191580 160 02:20:01 6268888 7527128 293268 3.61 31092 1432908 530708 5.78 449192 1192060 124 02:30:05 6266636 7525404 294976 3.63 31280 1433236 530704 5.78 449380 1192576 212 02:40:05 6217964 7505532 314208 3.86 31644 1461292 729536 7.95 466944 1209924 244 02:50:01 6233588 7522100 297732 3.66 31804 1462056 530948 5.78 461536 1210416 188 03:00:05 6233644 7522692 297060 3.65 32008 1462380 531080 5.78 462344 1210944 212 03:10:05 5245692 7367704 404004 4.97 85480 2200788 647132 7.05 615748 1957408 516 03:20:01 5226096 7349992 421708 5.19 85648 2202508 672432 7.32 632952 1959288 188 03:30:05 5254172 7379528 392152 4.82 85832 2203792 658852 7.18 618728 1960764 244 03:40:05 5211720 7374220 397376 4.89 86012 2240644 648504 7.06 607132 1997796 224 03:50:01 5116384 7294052 477280 5.87 86212 2255416 729148 7.94 687940 2012640 280 04:00:05 5125356 7305144 466104 5.73 86348 2257364 695804 7.58 654436 2014724 232 Average: 5764386 7440410 357300 4.39 56542 1805936 612790 6.67 538816 1561628 232 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 0.94 0.06 0.11 0.03 0.00 0.00 0.00 0.00 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 0.99 0.03 7.63 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.45 0.04 0.07 0.01 0.00 0.00 0.00 0.00 02:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 0.35 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:40:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 0.71 0.26 3.14 0.07 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.27 0.04 0.05 0.01 0.00 0.00 0.00 0.00 03:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:05 ens3 0.49 0.24 0.13 0.47 0.00 0.00 0.00 0.00 03:10:05 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:10:05 ens3 74.32 50.31 410.92 12.03 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 15.29 13.22 144.11 1.15 0.00 0.00 0.00 0.00 03:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:05 ens3 5.34 4.66 29.99 0.65 0.00 0.00 0.00 0.00 03:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:05 ens3 17.82 16.07 185.60 1.71 0.00 0.00 0.00 0.00 03:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:01 ens3 12.59 11.97 121.52 1.51 0.00 0.00 0.00 0.00 04:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:05 ens3 13.57 13.08 139.21 1.17 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.00 8.45 80.10 1.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2205) 04/12/26 _x86_64_ (2 CPU) 01:45:36 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:05 all 0.27 0.00 0.16 0.01 0.03 99.52 02:00:05 0 0.28 0.00 0.16 0.00 0.03 99.53 02:00:05 1 0.26 0.00 0.17 0.01 0.04 99.51 02:10:05 all 0.23 0.00 0.09 0.03 0.04 99.61 02:10:05 0 0.39 0.00 0.07 0.00 0.03 99.52 02:10:05 1 0.07 0.00 0.11 0.06 0.05 99.71 02:20:01 all 0.23 0.00 0.07 0.01 0.03 99.66 02:20:01 0 0.18 0.00 0.07 0.00 0.03 99.73 02:20:01 1 0.28 0.00 0.07 0.01 0.04 99.59 02:30:05 all 0.28 0.00 0.17 0.01 0.03 99.51 02:30:05 0 0.06 0.00 0.17 0.00 0.03 99.73 02:30:05 1 0.49 0.00 0.16 0.02 0.03 99.29 02:40:05 all 0.42 0.00 0.11 0.02 0.03 99.41 02:40:05 0 0.12 0.00 0.10 0.01 0.04 99.74 02:40:05 1 0.73 0.00 0.12 0.04 0.03 99.09 02:50:01 all 0.24 0.00 0.07 0.01 0.04 99.64 02:50:01 0 0.41 0.00 0.05 0.01 0.02 99.51 02:50:01 1 0.07 0.00 0.10 0.02 0.05 99.77 03:00:05 all 0.27 0.00 0.17 0.01 0.03 99.53 03:00:05 0 0.39 0.00 0.17 0.00 0.03 99.41 03:00:05 1 0.15 0.00 0.17 0.01 0.03 99.64 03:10:05 all 12.63 0.00 1.85 1.12 0.09 84.31 03:10:05 0 13.17 0.00 1.74 0.36 0.08 84.66 03:10:05 1 12.09 0.00 1.96 1.89 0.10 83.96 03:20:01 all 0.88 0.00 0.21 0.01 0.09 98.82 03:20:01 0 0.71 0.00 0.14 0.01 0.08 99.07 03:20:01 1 1.04 0.00 0.28 0.01 0.10 98.57 03:30:05 all 6.23 0.00 0.60 0.01 0.09 93.09 03:30:05 0 7.65 0.00 0.74 0.01 0.09 91.52 03:30:05 1 4.82 0.00 0.46 0.01 0.08 94.63 03:40:05 all 1.69 0.00 0.25 0.01 0.09 97.95 03:40:05 0 1.90 0.00 0.23 0.01 0.08 97.78 03:40:05 1 1.48 0.00 0.28 0.01 0.10 98.12 03:40:05 CPU %user %nice %system %iowait %steal %idle 03:50:01 all 2.83 0.00 0.46 0.01 0.10 96.61 03:50:01 0 1.91 0.00 0.40 0.01 0.09 97.59 03:50:01 1 3.74 0.00 0.52 0.01 0.10 95.64 04:00:05 all 0.89 0.00 0.30 0.01 0.09 98.71 04:00:05 0 0.69 0.00 0.29 0.00 0.08 98.94 04:00:05 1 1.09 0.00 0.31 0.01 0.11 98.48 Average: all 2.07 0.00 0.35 0.10 0.06 97.42 Average: 0 2.13 0.00 0.33 0.03 0.05 97.46 Average: 1 2.02 0.00 0.36 0.16 0.07 97.39