---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-54537 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp 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 Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 18G 60G 23% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 716 10774 3 4498 14930 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:9a:2e:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.125/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79769sec preferred_lft 79769sec inet6 fe80::f816:3eff:fe9a:2e03/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:35:0a:13:ab:50 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::fc35:aff:fe13:ab50/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-54537) 03/31/26 _x86_64_ (4 CPU) 10:32:53 LINUX RESTART (4 CPU) 10:40:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:03 86.48 4.08 63.29 19.11 167.13 20932.56 232363.07 11:00:01 54.38 23.27 29.53 1.58 288.53 1738.67 1188.78 11:10:25 8.26 0.12 7.59 0.55 6.67 294.62 1046.92 11:20:25 14.58 0.05 13.86 0.68 2.16 713.30 720.68 11:30:01 14.45 0.02 13.72 0.72 0.97 449.16 252.48 11:40:25 4.25 0.00 4.08 0.17 0.15 125.01 51.30 11:50:07 5.51 0.02 5.31 0.19 1.27 154.98 107.37 12:00:01 4.62 0.02 4.42 0.19 1.09 146.58 150.73 12:10:07 9.42 0.23 8.86 0.33 9.66 550.97 140.26 12:20:07 7.70 0.03 7.36 0.30 1.55 282.68 121.55 Average: 20.67 2.77 15.58 2.32 47.38 2467.87 22823.46 10:40:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:03 2266100 5210676 10720620 65.48 254456 2667656 11849868 68.02 2030232 11476716 1612 11:00:01 6624600 9958512 5974408 36.49 268180 3040852 6947356 39.88 2274804 6893472 6252 11:10:25 6372080 9734272 6198444 37.86 269700 3067592 7020720 40.30 2282968 7123852 228 11:20:25 10226964 13719980 2217700 13.54 274692 3189140 2962648 17.01 2332736 3248016 92 11:30:01 7886052 11440384 4496056 27.46 276820 3248132 5281612 30.32 2337392 5580592 420 11:40:25 7841788 11413760 4522540 27.62 277256 3265336 5272264 30.26 2338296 5597260 296 11:50:07 6364136 9955984 5979588 36.52 278036 3284368 6771416 38.87 2340668 7089292 200 12:00:01 6339992 9953324 5982120 36.54 278708 3305140 6764480 38.83 2344232 7107916 332 12:10:07 7610428 11356056 4579800 27.97 282948 3426352 5340648 30.66 2353976 5833472 168 12:20:07 6867432 10661428 5274128 32.21 283948 3473432 6016260 34.53 2372664 6540416 124 Average: 6839957 10340438 5594540 34.17 274474 3196800 6422727 36.87 2300797 6649100 972 10:40:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:03 lo 14.86 14.86 12.16 12.16 0.00 0.00 0.00 0.00 10:50:03 ens3 34.96 26.34 669.36 3.01 0.00 0.00 0.00 0.00 10:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 39.64 39.64 20.22 20.22 0.00 0.00 0.00 0.00 11:00:01 ens3 2.09 2.16 0.47 0.43 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:25 lo 29.79 29.79 13.17 13.17 0.00 0.00 0.00 0.00 11:10:25 ens3 2.10 1.17 0.39 1.39 0.00 0.00 0.00 0.00 11:10:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:25 lo 11.26 11.26 5.48 5.48 0.00 0.00 0.00 0.00 11:20:25 ens3 1.15 0.91 0.30 0.24 0.00 0.00 0.00 0.00 11:20:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 20.15 20.15 10.64 10.64 0.00 0.00 0.00 0.00 11:30:01 ens3 0.90 0.87 0.17 0.15 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:25 lo 22.73 22.73 9.04 9.04 0.00 0.00 0.00 0.00 11:40:25 ens3 1.13 0.63 0.23 0.15 0.00 0.00 0.00 0.00 11:40:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:07 lo 18.22 18.22 8.09 8.09 0.00 0.00 0.00 0.00 11:50:07 ens3 0.74 0.38 0.17 0.10 0.00 0.00 0.00 0.00 11:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 20.06 20.06 10.70 10.70 0.00 0.00 0.00 0.00 12:00:01 ens3 0.88 0.60 0.23 0.17 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:07 lo 16.30 16.30 9.75 9.75 0.00 0.00 0.00 0.00 12:10:07 ens3 1.43 0.83 0.37 0.27 0.00 0.00 0.00 0.00 12:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:07 lo 23.39 23.39 9.88 9.88 0.00 0.00 0.00 0.00 12:20:07 ens3 1.06 0.83 0.24 0.19 0.00 0.00 0.00 0.00 12:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.71 21.71 10.92 10.92 0.00 0.00 0.00 0.00 Average: ens3 4.54 3.39 64.91 0.61 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-54537) 03/31/26 _x86_64_ (4 CPU) 10:32:53 LINUX RESTART (4 CPU) 10:40:25 CPU %user %nice %system %iowait %steal %idle 10:50:03 all 45.83 0.00 2.01 1.97 0.31 49.88 10:50:03 0 48.21 0.00 2.25 1.35 0.33 47.87 10:50:03 1 43.53 0.00 2.02 2.28 0.27 51.89 10:50:03 2 45.68 0.00 2.03 2.52 0.31 49.45 10:50:03 3 45.90 0.00 1.74 1.72 0.33 50.31 11:00:01 all 52.28 0.00 1.96 0.30 0.55 44.91 11:00:01 0 52.29 0.00 2.03 0.83 0.40 44.45 11:00:01 1 53.09 0.00 1.81 0.11 0.58 44.41 11:00:01 2 51.90 0.00 2.15 0.19 0.71 45.06 11:00:01 3 51.87 0.00 1.86 0.07 0.50 45.70 11:10:25 all 23.70 0.00 0.98 0.31 0.10 74.92 11:10:25 0 23.59 0.00 1.11 0.08 0.09 75.12 11:10:25 1 23.74 0.00 0.96 0.02 0.10 75.18 11:10:25 2 24.00 0.00 1.00 1.08 0.10 73.82 11:10:25 3 23.45 0.00 0.84 0.05 0.09 75.57 11:20:25 all 23.46 0.00 0.96 0.33 0.21 75.04 11:20:25 0 24.24 0.00 0.93 0.22 0.22 74.39 11:20:25 1 22.86 0.00 1.17 0.44 0.20 75.33 11:20:25 2 22.73 0.00 0.89 0.30 0.21 75.87 11:20:25 3 24.01 0.00 0.83 0.37 0.20 74.59 11:30:01 all 26.82 0.00 0.94 0.07 0.09 72.08 11:30:01 0 25.70 0.00 0.88 0.05 0.10 73.27 11:30:01 1 26.41 0.00 0.87 0.06 0.09 72.57 11:30:01 2 27.69 0.00 1.06 0.06 0.09 71.11 11:30:01 3 27.49 0.00 0.93 0.10 0.09 71.38 11:40:25 all 8.59 0.00 0.49 0.02 0.07 90.83 11:40:25 0 8.68 0.00 0.42 0.01 0.07 90.83 11:40:25 1 8.65 0.00 0.57 0.01 0.07 90.69 11:40:25 2 8.53 0.00 0.58 0.04 0.07 90.78 11:40:25 3 8.50 0.00 0.39 0.01 0.07 91.03 11:50:07 all 9.94 0.00 0.54 0.03 0.08 89.42 11:50:07 0 9.67 0.00 0.61 0.03 0.08 89.61 11:50:07 1 10.34 0.00 0.51 0.03 0.08 89.03 11:50:07 2 10.12 0.00 0.54 0.01 0.08 89.26 11:50:07 3 9.61 0.00 0.51 0.03 0.08 89.77 12:00:01 all 10.72 0.00 0.53 0.12 0.08 88.55 12:00:01 0 10.63 0.00 0.51 0.06 0.08 88.72 12:00:01 1 10.93 0.00 0.53 0.04 0.08 88.42 12:00:01 2 11.00 0.00 0.56 0.15 0.08 88.22 12:00:01 3 10.32 0.00 0.51 0.26 0.08 88.84 12:10:07 all 14.88 0.00 0.69 0.40 0.09 83.93 12:10:07 0 13.84 0.00 0.66 0.72 0.09 84.70 12:10:07 1 14.73 0.00 0.66 0.14 0.11 84.37 12:10:07 2 15.33 0.00 0.75 0.39 0.09 83.44 12:10:07 3 15.63 0.00 0.71 0.37 0.09 83.20 12:20:07 all 16.64 0.00 0.73 0.10 0.09 82.44 12:20:07 0 17.01 0.00 0.62 0.11 0.08 82.18 12:20:07 1 17.14 0.00 0.79 0.15 0.09 81.84 12:20:07 2 16.03 0.00 0.70 0.05 0.08 83.13 12:20:07 3 16.39 0.00 0.81 0.08 0.10 82.62 Average: all 23.15 0.00 0.98 0.36 0.16 75.35 Average: 0 23.24 0.00 1.00 0.34 0.15 75.27 Average: 1 23.02 0.00 0.99 0.32 0.17 75.51 Average: 2 23.16 0.00 1.02 0.47 0.18 75.16 Average: 3 23.19 0.00 0.91 0.30 0.16 75.44