---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-40891 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 700 11053 3 4235 14946 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:71:d7:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79799sec preferred_lft 79799sec inet6 fe80::f816:3eff:fe71:d721/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:30:e9:a3:b6:3a 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 ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-40891) 03/25/26 _x86_64_ (4 CPU) 10:15:32 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:08 102.28 22.24 76.32 3.71 344.07 25833.00 11864.66 10:40:16 23.18 1.66 20.40 1.12 37.63 548.18 868.22 10:50:02 7.79 0.16 7.20 0.43 7.98 295.04 789.44 11:00:04 30.07 0.09 14.28 15.70 1.47 722.79 210861.96 11:10:16 14.30 0.01 13.63 0.65 0.91 430.15 1457.33 11:20:01 5.24 0.01 5.06 0.18 0.48 144.99 87.62 11:30:16 4.98 0.01 4.81 0.17 1.03 149.30 61.65 11:40:16 4.94 0.00 4.74 0.19 0.31 150.70 64.91 11:50:01 8.62 0.04 8.17 0.41 4.38 575.57 97.82 12:00:15 5.89 0.01 5.73 0.16 0.91 169.94 233.95 Average: 20.84 2.45 16.12 2.28 40.25 2925.63 22674.94 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:08 1950732 5036520 10897768 66.56 264856 2833336 12833416 73.66 2099008 11772996 2112 10:40:16 4093492 7111524 8825876 53.90 267740 2772324 9561224 54.88 2091640 9644120 176 10:50:02 6600876 9645732 6292912 38.43 268888 2797992 6966912 39.99 2099684 7140800 468 11:00:04 12127000 15316648 626200 3.82 274404 2937216 1314908 7.55 2142556 1584828 7396 11:10:16 8087524 11331728 4608904 28.15 276592 2989592 5315836 30.51 2146968 5623520 200 11:20:01 8014228 11276728 4663724 28.48 277076 3007420 5357716 30.75 2148224 5665436 564 11:30:16 6623712 9907644 6032080 36.84 277524 3028380 6753076 38.76 2150252 7080704 260 11:40:16 6496200 9801708 6137960 37.49 278156 3049324 6872400 39.45 2153472 7203780 316 11:50:01 7978812 11409912 4530844 27.67 282152 3170448 5219448 29.96 2162036 5717588 564 12:00:15 11845300 15325768 616868 3.77 282852 3219012 1306720 7.50 2180544 1838156 24216 Average: 7381788 10616391 5323314 32.51 275024 2980504 6150166 35.30 2137438 6327193 3627 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:08 lo 16.65 16.65 14.88 14.88 0.00 0.00 0.00 0.00 10:30:08 ens3 33.53 25.03 637.09 3.00 0.00 0.00 0.00 0.00 10:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:16 lo 46.14 46.14 20.33 20.33 0.00 0.00 0.00 0.00 10:40:16 ens3 2.01 2.00 0.37 1.01 0.00 0.00 0.00 0.00 10:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:02 lo 22.06 22.06 10.10 10.10 0.00 0.00 0.00 0.00 10:50:02 ens3 1.19 0.65 0.24 0.39 0.00 0.00 0.00 0.00 10:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:04 lo 11.27 11.27 5.47 5.47 0.00 0.00 0.00 0.00 11:00:04 ens3 1.36 0.88 0.37 0.27 0.00 0.00 0.00 0.00 11:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:16 lo 20.48 20.48 10.72 10.72 0.00 0.00 0.00 0.00 11:10:16 ens3 1.19 0.86 0.26 0.20 0.00 0.00 0.00 0.00 11:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 22.75 22.75 8.77 8.77 0.00 0.00 0.00 0.00 11:20:01 ens3 1.15 0.53 0.23 0.14 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:16 lo 25.11 25.11 10.96 10.96 0.00 0.00 0.00 0.00 11:30:16 ens3 0.98 0.53 0.23 0.16 0.00 0.00 0.00 0.00 11:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:16 lo 17.56 17.56 10.49 10.49 0.00 0.00 0.00 0.00 11:40:16 ens3 1.18 0.55 0.25 0.16 0.00 0.00 0.00 0.00 11:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 12.89 12.89 7.40 7.40 0.00 0.00 0.00 0.00 11:50:01 ens3 1.46 0.76 0.38 0.25 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:15 lo 16.49 16.49 6.74 6.74 0.00 0.00 0.00 0.00 12:00:15 ens3 1.51 0.58 0.29 0.16 0.00 0.00 0.00 0.00 12:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.18 21.18 10.61 10.61 0.00 0.00 0.00 0.00 Average: ens3 4.59 3.26 64.57 0.58 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-40891) 03/25/26 _x86_64_ (4 CPU) 10:15:32 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:08 all 57.96 0.00 2.43 0.28 0.12 39.21 10:30:08 0 59.02 0.00 2.56 0.23 0.12 38.07 10:30:08 1 57.73 0.00 2.54 0.19 0.12 39.42 10:30:08 2 57.44 0.00 2.31 0.34 0.12 39.79 10:30:08 3 57.65 0.00 2.30 0.37 0.12 39.56 10:40:16 all 46.77 0.00 1.65 0.05 0.13 51.41 10:40:16 0 47.06 0.00 1.56 0.11 0.13 51.15 10:40:16 1 45.89 0.00 1.69 0.03 0.13 52.26 10:40:16 2 46.73 0.00 1.69 0.02 0.13 51.43 10:40:16 3 47.41 0.00 1.65 0.02 0.13 50.80 10:50:02 all 19.07 0.00 0.87 0.03 0.09 79.93 10:50:02 0 19.38 0.00 0.78 0.06 0.09 79.69 10:50:02 1 18.81 0.00 1.03 0.04 0.09 80.04 10:50:02 2 19.00 0.00 0.93 0.01 0.09 79.97 10:50:02 3 19.11 0.00 0.76 0.02 0.09 80.03 11:00:04 all 22.76 0.00 0.92 0.07 0.08 76.17 11:00:04 0 22.82 0.00 0.87 0.09 0.08 76.14 11:00:04 1 22.95 0.00 0.98 0.07 0.08 75.93 11:00:04 2 22.17 0.00 0.96 0.03 0.09 76.75 11:00:04 3 23.12 0.00 0.87 0.07 0.08 75.85 11:10:16 all 25.84 0.00 0.88 0.04 0.09 73.15 11:10:16 0 25.45 0.00 0.94 0.02 0.09 73.51 11:10:16 1 26.51 0.00 0.79 0.04 0.08 72.59 11:10:16 2 26.20 0.00 0.90 0.02 0.09 72.79 11:10:16 3 25.21 0.00 0.89 0.09 0.09 73.72 11:20:01 all 9.01 0.00 0.46 0.02 0.07 90.44 11:20:01 0 9.10 0.00 0.42 0.01 0.07 90.40 11:20:01 1 8.86 0.00 0.47 0.02 0.07 90.58 11:20:01 2 9.05 0.00 0.47 0.01 0.07 90.39 11:20:01 3 9.04 0.00 0.48 0.03 0.06 90.39 11:30:16 all 10.43 0.00 0.48 0.02 0.08 89.01 11:30:16 0 10.61 0.00 0.47 0.02 0.08 88.82 11:30:16 1 10.38 0.00 0.48 0.01 0.08 89.04 11:30:16 2 10.41 0.00 0.51 0.00 0.07 89.01 11:30:16 3 10.30 0.00 0.45 0.03 0.07 89.15 11:40:16 all 10.06 0.00 0.43 0.02 0.08 89.42 11:40:16 0 10.41 0.00 0.39 0.01 0.07 89.12 11:40:16 1 9.72 0.00 0.44 0.01 0.08 89.76 11:40:16 2 10.18 0.00 0.50 0.02 0.08 89.22 11:40:16 3 9.94 0.00 0.38 0.02 0.08 89.58 11:50:01 all 13.62 0.00 0.55 0.05 0.08 85.70 11:50:01 0 14.40 0.00 0.51 0.03 0.07 85.00 11:50:01 1 13.66 0.00 0.53 0.01 0.08 85.72 11:50:01 2 12.46 0.00 0.64 0.01 0.09 86.80 11:50:01 3 13.95 0.00 0.54 0.12 0.09 85.30 12:00:15 all 8.24 0.00 0.42 0.02 0.07 91.24 12:00:15 0 8.20 0.00 0.43 0.01 0.08 91.28 12:00:15 1 8.32 0.00 0.45 0.02 0.07 91.14 12:00:15 2 7.89 0.00 0.46 0.04 0.08 91.53 12:00:15 3 8.54 0.00 0.36 0.00 0.07 91.02 Average: all 22.45 0.00 0.91 0.06 0.09 76.49 Average: 0 22.72 0.00 0.90 0.06 0.09 76.24 Average: 1 22.35 0.00 0.94 0.04 0.09 76.58 Average: 2 22.23 0.00 0.94 0.05 0.09 76.68 Average: 3 22.51 0.00 0.87 0.08 0.09 76.46