---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-30005 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: 5600.00 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 697 9966 4 5325 14949 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:ec:60:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.35/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78383sec preferred_lft 78383sec inet6 fe80::f816:3eff:feec:6099/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:a9:bb:9b:29:7f 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::d8a9:bbff:fe9b:297f/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-30005) 03/25/26 _x86_64_ (4 CPU) 07:01:28 LINUX RESTART (4 CPU) 07:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:07 47.70 1.15 44.10 2.46 42.47 24079.52 11099.26 07:30:25 39.62 19.97 18.19 1.45 296.28 4367.25 2014.52 07:40:10 10.74 1.47 8.79 0.47 17.00 295.01 596.90 07:50:26 6.97 0.03 6.58 0.35 0.78 212.57 360.55 08:00:37 7.34 0.01 7.01 0.33 0.12 421.14 298.70 08:10:37 14.06 0.01 13.54 0.52 0.45 411.79 349.95 08:20:37 11.64 0.01 11.15 0.48 0.72 361.44 506.16 08:30:37 5.14 0.00 4.97 0.17 0.59 139.72 248.43 08:40:01 22.21 0.06 4.95 17.19 1.77 154.70 224804.55 08:50:32 4.58 0.00 4.42 0.15 0.29 141.94 78.22 09:00:37 11.15 0.13 10.58 0.44 7.08 674.99 214.08 09:10:37 17.61 11.95 5.50 0.16 138.05 181.41 67.81 Average: 16.53 2.93 11.67 1.93 42.66 2627.79 18858.76 07:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:07 4381900 15267912 656188 4.01 249816 10398260 1448300 8.31 1977088 9234024 221308 07:30:25 3398060 7544276 8384364 51.21 267572 3797088 9275228 53.24 2039636 10276676 64 07:40:10 6064296 10227860 5704408 34.84 269384 3811940 7003212 40.20 2093700 7588284 344 07:50:26 6571360 10749672 5182920 31.66 270528 3825512 7759240 44.54 2100176 7076664 668 08:00:37 7991208 12261796 3670684 22.42 274616 3908776 4471884 25.67 2115976 5638252 40 08:10:37 8636104 12963200 2969536 18.14 277000 3962792 3734208 21.43 2139152 4965324 64 08:20:37 7039720 11419716 4512216 27.56 278944 4013576 5258176 30.18 2142936 6563304 244 08:30:37 7000776 11399148 4532696 27.68 279704 4031152 5303636 30.44 2144404 6594500 100 08:40:01 5453596 9877144 6053740 36.97 280332 4055640 6781980 38.93 2151092 8133992 352 08:50:32 5489104 9934448 5996404 36.62 280956 4076748 6771316 38.87 2154316 8093940 204 09:00:37 6733396 11334336 4597132 28.08 285396 4221568 5279872 30.31 2171692 6822360 116 09:10:37 6070576 10752780 5177728 31.62 289500 4286816 5985520 34.36 2222284 7430512 120 Average: 6235841 11144357 4786501 29.23 275312 4532489 5756048 33.04 2121038 7368153 18635 07:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:07 lo 1.00 1.00 1.39 1.39 0.00 0.00 0.00 0.00 07:20:07 ens3 35.07 27.21 642.48 3.16 0.00 0.00 0.00 0.00 07:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:25 lo 8.67 8.67 5.97 5.97 0.00 0.00 0.00 0.00 07:30:25 ens3 1.03 0.67 0.26 0.21 0.00 0.00 0.00 0.00 07:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:10 lo 11.65 11.65 5.99 5.99 0.00 0.00 0.00 0.00 07:40:10 ens3 1.55 0.56 0.33 0.20 0.00 0.00 0.00 0.00 07:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:26 lo 6.73 6.73 4.28 4.28 0.00 0.00 0.00 0.00 07:50:26 ens3 1.09 0.49 0.20 0.11 0.00 0.00 0.00 0.00 07:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:37 lo 10.84 10.84 5.92 5.92 0.00 0.00 0.00 0.00 08:00:37 ens3 0.85 0.50 0.26 0.19 0.00 0.00 0.00 0.00 08:00:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:37 lo 8.61 8.61 3.82 3.82 0.00 0.00 0.00 0.00 08:10:37 ens3 1.14 0.77 0.22 1.57 0.00 0.00 0.00 0.00 08:10:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:37 lo 17.21 17.21 9.42 9.42 0.00 0.00 0.00 0.00 08:20:37 ens3 1.03 0.64 0.20 0.14 0.00 0.00 0.00 0.00 08:20:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:37 lo 21.92 21.92 8.70 8.70 0.00 0.00 0.00 0.00 08:30:37 ens3 0.85 0.54 0.20 0.14 0.00 0.00 0.00 0.00 08:30:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 25.24 25.24 10.93 10.93 0.00 0.00 0.00 0.00 08:40:01 ens3 0.71 0.52 0.16 0.12 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:32 lo 17.44 17.44 10.11 10.11 0.00 0.00 0.00 0.00 08:50:32 ens3 1.10 0.57 0.24 0.16 0.00 0.00 0.00 0.00 08:50:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:37 lo 18.99 18.99 10.48 10.48 0.00 0.00 0.00 0.00 09:00:37 ens3 1.39 0.97 0.41 0.31 0.00 0.00 0.00 0.00 09:00:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:37 lo 17.14 17.14 7.04 7.04 0.00 0.00 0.00 0.00 09:10:37 ens3 0.85 0.66 0.20 0.15 0.00 0.00 0.00 0.00 09:10:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 13.72 13.72 6.99 6.99 0.00 0.00 0.00 0.00 Average: ens3 3.89 2.84 53.73 0.54 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-30005) 03/25/26 _x86_64_ (4 CPU) 07:01:28 LINUX RESTART (4 CPU) 07:10:05 CPU %user %nice %system %iowait %steal %idle 07:20:07 all 18.78 0.00 1.25 25.70 0.11 54.16 07:20:07 0 21.67 0.00 1.38 15.96 0.11 60.87 07:20:07 1 17.52 0.00 1.16 18.33 0.11 62.89 07:20:07 2 17.69 0.00 1.24 44.28 0.12 36.67 07:20:07 3 18.26 0.00 1.22 24.17 0.11 56.24 07:30:25 all 23.06 0.00 1.24 14.28 0.16 61.26 07:30:25 0 23.70 0.00 1.23 16.86 0.17 58.05 07:30:25 1 22.74 0.00 1.21 17.76 0.16 58.13 07:30:25 2 21.85 0.00 1.35 11.51 0.16 65.13 07:30:25 3 23.96 0.00 1.16 11.01 0.14 63.73 07:40:10 all 17.50 0.00 0.65 0.33 0.09 81.42 07:40:10 0 17.04 0.00 0.68 0.31 0.09 81.88 07:40:10 1 17.47 0.00 0.66 0.47 0.10 81.30 07:40:10 2 17.60 0.00 0.60 0.31 0.10 81.39 07:40:10 3 17.90 0.00 0.66 0.23 0.09 81.12 07:50:26 all 14.27 0.00 0.65 0.06 0.08 84.94 07:50:26 0 13.30 0.00 0.58 0.09 0.07 85.96 07:50:26 1 14.93 0.00 0.69 0.10 0.08 84.20 07:50:26 2 14.22 0.00 0.64 0.02 0.10 85.02 07:50:26 3 14.63 0.00 0.68 0.03 0.07 84.58 08:00:37 all 10.86 0.00 0.54 0.13 0.07 88.40 08:00:37 0 10.69 0.00 0.55 0.03 0.07 88.65 08:00:37 1 11.77 0.00 0.59 0.08 0.08 87.48 08:00:37 2 10.47 0.00 0.56 0.01 0.08 88.88 08:00:37 3 10.49 0.00 0.45 0.38 0.07 88.61 08:10:37 all 21.77 0.00 0.83 0.18 0.08 77.14 08:10:37 0 21.70 0.00 0.78 0.09 0.08 77.35 08:10:37 1 22.66 0.00 0.89 0.11 0.09 76.25 08:10:37 2 22.26 0.00 0.81 0.30 0.08 76.56 08:10:37 3 20.47 0.00 0.84 0.22 0.08 78.40 08:20:37 all 22.30 0.00 0.79 0.03 0.08 76.80 08:20:37 0 23.13 0.00 0.76 0.02 0.08 76.01 08:20:37 1 21.37 0.00 0.75 0.07 0.08 77.72 08:20:37 2 22.53 0.00 0.83 0.02 0.08 76.54 08:20:37 3 22.17 0.00 0.82 0.02 0.08 76.92 08:30:37 all 8.84 0.00 0.52 0.16 0.06 90.42 08:30:37 0 8.84 0.00 0.51 0.25 0.06 90.34 08:30:37 1 8.69 0.00 0.58 0.10 0.07 90.56 08:30:37 2 8.63 0.00 0.47 0.07 0.06 90.75 08:30:37 3 9.19 0.00 0.51 0.20 0.06 90.03 08:40:01 all 11.41 0.00 0.63 3.55 0.08 84.33 08:40:01 0 11.19 0.00 0.58 1.52 0.08 86.63 08:40:01 1 11.60 0.00 0.70 3.09 0.09 84.53 08:40:01 2 11.39 0.00 0.60 2.68 0.08 85.25 08:40:01 3 11.45 0.00 0.63 6.93 0.07 80.92 08:50:32 all 10.35 0.00 0.57 0.29 0.09 88.70 08:50:32 0 10.29 0.00 0.50 0.51 0.06 88.63 08:50:32 1 10.51 0.00 0.61 0.14 0.14 88.59 08:50:32 2 10.15 0.00 0.58 0.48 0.09 88.70 08:50:32 3 10.44 0.00 0.59 0.03 0.08 88.86 09:00:37 all 21.83 0.00 0.83 0.10 0.10 77.15 09:00:37 0 22.17 0.00 0.80 0.10 0.08 76.84 09:00:37 1 22.21 0.00 0.77 0.15 0.09 76.77 09:00:37 2 21.98 0.00 0.89 0.11 0.09 76.94 09:00:37 3 20.95 0.00 0.84 0.03 0.12 78.06 09:00:37 CPU %user %nice %system %iowait %steal %idle 09:10:37 all 9.12 0.10 0.51 0.51 0.06 89.69 09:10:37 0 8.86 0.01 0.49 0.09 0.06 90.49 09:10:37 1 9.27 0.18 0.55 0.51 0.07 89.42 09:10:37 2 9.58 0.09 0.52 1.11 0.07 88.64 09:10:37 3 8.79 0.10 0.50 0.35 0.05 90.21 Average: all 15.84 0.01 0.75 3.77 0.09 79.54 Average: 0 16.05 0.00 0.74 3.00 0.08 80.13 Average: 1 15.90 0.02 0.76 3.41 0.10 79.81 Average: 2 15.69 0.01 0.76 5.07 0.09 78.37 Average: 3 15.73 0.01 0.74 3.60 0.09 79.84