---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-18520 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 698 12034 4 3255 14947 Swap: 1023 23 1000 ---> 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:f5:3f:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.242/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80119sec preferred_lft 80119sec inet6 fe80::f816:3eff:fef5:3f67/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:a1:d5:87:95:67 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::8a1:d5ff:fe87:9567/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-18520) 03/23/26 _x86_64_ (4 CPU) 19:34:23 LINUX RESTART (4 CPU) 19:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:50:17 92.47 22.48 66.04 3.95 312.24 20616.88 14411.02 20:00:17 39.03 11.66 26.04 1.33 213.00 1658.60 1153.55 20:10:19 19.71 3.67 15.29 0.75 83.24 685.67 230.15 20:20:19 14.86 0.32 13.87 0.67 8.73 380.27 240.48 20:30:30 5.23 0.29 4.77 0.17 9.55 124.76 80.14 20:40:19 5.06 0.48 4.39 0.19 9.86 133.92 158.40 20:50:30 4.95 0.04 4.74 0.17 1.34 133.08 56.58 21:00:21 4.78 0.02 4.60 0.17 1.42 137.70 61.72 21:10:01 25.68 0.59 9.05 16.05 18.81 575.38 83464.38 Average: 23.71 4.46 16.69 2.56 73.97 2771.56 10820.99 19:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:50:17 375332 5104536 10820732 66.09 268608 4356076 12161044 69.80 2252972 13070976 256916 20:00:17 5836332 8003672 7935236 48.47 220980 2032540 9876076 56.69 1795548 8276420 3132 20:10:19 13041244 15341964 601920 3.68 226928 2159752 1370192 7.86 1853888 1024348 6792 20:20:19 9121940 11460516 4481048 27.37 230152 2194368 5293816 30.39 1861692 4943860 104 20:30:30 9042252 11395824 4545656 27.76 230888 2208624 5303796 30.44 1865928 5012888 492 20:40:19 7431024 9801524 6139284 37.50 231432 2225008 6890132 39.55 1870612 6614104 408 20:50:30 7327144 9714616 6226216 38.03 231908 2241504 6886568 39.53 1874144 6718952 288 21:00:21 8958996 11365704 4576100 27.95 232476 2260168 5354496 30.73 1876816 5088508 156 21:10:01 8829500 11362472 4579400 27.97 237572 2381008 5193188 29.81 1897756 5172612 252 Average: 7773752 10394536 5545066 33.87 234549 2451005 6481034 37.20 1905484 6213630 29838 19:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:50:17 lo 14.27 14.27 12.35 12.35 0.00 0.00 0.00 0.00 19:50:17 ens3 43.98 33.43 629.72 3.48 0.00 0.00 0.00 0.00 19:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:17 lo 39.33 39.33 19.29 19.29 0.00 0.00 0.00 0.00 20:00:17 ens3 1.95 1.53 0.43 0.35 0.00 0.00 0.00 0.00 20:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:19 lo 30.18 30.18 12.06 12.06 0.00 0.00 0.00 0.00 20:10:19 ens3 2.55 2.25 0.47 1.36 0.00 0.00 0.00 0.00 20:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:19 lo 19.88 19.88 10.60 10.60 0.00 0.00 0.00 0.00 20:20:19 ens3 0.98 0.70 0.20 0.15 0.00 0.00 0.00 0.00 20:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:30 lo 23.71 23.71 9.10 9.10 0.00 0.00 0.00 0.00 20:30:30 ens3 0.85 0.49 0.17 0.12 0.00 0.00 0.00 0.00 20:30:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:19 lo 24.75 24.75 11.05 11.05 0.00 0.00 0.00 0.00 20:40:19 ens3 1.08 0.52 0.24 0.15 0.00 0.00 0.00 0.00 20:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:30 lo 12.43 12.43 7.59 7.59 0.00 0.00 0.00 0.00 20:50:30 ens3 0.63 0.41 0.12 0.08 0.00 0.00 0.00 0.00 20:50:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:21 lo 11.62 11.62 6.04 6.04 0.00 0.00 0.00 0.00 21:00:21 ens3 0.59 0.39 0.13 0.10 0.00 0.00 0.00 0.00 21:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 lo 20.83 20.83 10.25 10.25 0.00 0.00 0.00 0.00 21:10:01 ens3 1.15 0.84 0.29 0.23 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.87 21.87 10.93 10.93 0.00 0.00 0.00 0.00 Average: ens3 6.09 4.60 71.94 0.68 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-18520) 03/23/26 _x86_64_ (4 CPU) 19:34:23 LINUX RESTART (4 CPU) 19:40:02 CPU %user %nice %system %iowait %steal %idle 19:50:17 all 49.38 0.00 2.12 6.10 0.11 42.30 19:50:17 0 47.65 0.00 2.11 5.11 0.11 45.02 19:50:17 1 52.86 0.00 2.28 4.30 0.11 40.45 19:50:17 2 48.94 0.00 1.96 7.74 0.11 41.24 19:50:17 3 48.06 0.00 2.13 7.23 0.10 42.47 20:00:17 all 44.98 0.00 1.81 0.10 0.12 52.99 20:00:17 0 43.91 0.00 1.98 0.11 0.12 53.88 20:00:17 1 45.20 0.00 1.92 0.11 0.13 52.65 20:00:17 2 45.73 0.00 1.64 0.08 0.12 52.43 20:00:17 3 45.08 0.00 1.69 0.11 0.13 52.99 20:10:19 all 26.59 0.00 1.16 0.13 0.10 72.01 20:10:19 0 27.04 0.00 1.05 0.25 0.10 71.57 20:10:19 1 25.79 0.00 1.25 0.10 0.10 72.75 20:10:19 2 27.17 0.00 1.18 0.07 0.10 71.47 20:10:19 3 26.36 0.00 1.18 0.11 0.10 72.26 20:20:19 all 24.94 0.00 0.78 0.04 0.10 74.14 20:20:19 0 24.82 0.00 0.89 0.03 0.09 74.16 20:20:19 1 24.70 0.00 0.69 0.10 0.10 74.40 20:20:19 2 25.35 0.00 0.74 0.02 0.10 73.79 20:20:19 3 24.87 0.00 0.81 0.03 0.10 74.20 20:30:30 all 8.61 0.00 0.42 0.18 0.08 90.71 20:30:30 0 8.51 0.00 0.39 0.49 0.07 90.53 20:30:30 1 8.71 0.00 0.44 0.17 0.08 90.60 20:30:30 2 8.60 0.00 0.45 0.04 0.08 90.82 20:30:30 3 8.62 0.00 0.40 0.02 0.08 90.89 20:40:19 all 11.39 0.00 0.63 0.02 0.08 87.88 20:40:19 0 11.03 0.00 0.69 0.01 0.07 88.20 20:40:19 1 11.75 0.00 0.74 0.04 0.09 87.39 20:40:19 2 11.77 0.00 0.58 0.03 0.08 87.53 20:40:19 3 11.02 0.00 0.50 0.02 0.08 88.38 20:50:30 all 9.50 0.00 0.44 0.02 0.07 89.97 20:50:30 0 8.68 0.00 0.42 0.02 0.06 90.81 20:50:30 1 9.48 0.00 0.47 0.02 0.08 89.95 20:50:30 2 9.74 0.00 0.46 0.01 0.08 89.71 20:50:30 3 10.07 0.00 0.40 0.03 0.07 89.42 21:00:21 all 7.54 0.00 0.33 0.02 0.07 92.04 21:00:21 0 6.99 0.00 0.34 0.04 0.07 92.56 21:00:21 1 7.78 0.00 0.33 0.02 0.07 91.79 21:00:21 2 7.56 0.00 0.29 0.01 0.07 92.06 21:00:21 3 7.81 0.00 0.34 0.01 0.07 91.77 21:10:01 all 16.54 0.00 0.75 0.13 0.08 82.49 21:10:01 0 16.17 0.00 0.75 0.16 0.07 82.85 21:10:01 1 17.18 0.00 0.74 0.28 0.09 81.71 21:10:01 2 16.49 0.00 0.80 0.05 0.09 82.57 21:10:01 3 16.32 0.00 0.73 0.01 0.09 82.85 Average: all 22.25 0.00 0.94 0.77 0.09 75.95 Average: 0 21.73 0.00 0.96 0.71 0.09 76.52 Average: 1 22.70 0.00 0.99 0.58 0.09 75.63 Average: 2 22.46 0.00 0.90 0.92 0.09 75.63 Average: 3 22.10 0.00 0.91 0.86 0.09 76.04