---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-931 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 694 10970 3 4324 14951 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:fa:c5:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80196sec preferred_lft 80196sec inet6 fe80::f816:3eff:fefa:c5aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:c8:86:ff:f5:cc 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-931) 03/17/26 _x86_64_ (4 CPU) 18:08:42 LINUX RESTART (4 CPU) 18:10:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:20:19 123.69 5.30 112.73 5.66 277.95 38225.23 11912.20 18:30:19 54.64 23.90 29.19 1.55 295.50 1722.72 1003.96 18:40:16 24.17 0.29 8.21 15.66 10.04 257.58 211900.91 18:50:19 18.83 0.09 17.86 0.88 3.34 730.96 895.54 19:00:19 14.26 0.01 13.63 0.61 0.56 373.12 454.61 19:10:04 4.87 0.01 4.68 0.18 0.21 124.73 55.82 19:20:19 4.93 0.01 4.75 0.17 1.13 133.40 85.51 19:30:19 5.24 0.01 5.07 0.17 0.49 141.12 101.76 19:40:19 11.88 0.03 11.25 0.59 3.97 641.17 373.03 19:50:19 4.64 0.02 4.45 0.18 0.59 152.21 51.32 Average: 26.71 2.97 21.19 2.56 59.38 4250.55 22549.91 18:10:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:19 162584 4870092 11057164 67.53 254056 4328660 12984176 74.53 2083760 13427092 2208 18:30:19 1674068 4917208 11015068 67.28 263472 2973248 11868060 68.12 2183136 11925012 332 18:40:16 12037644 15313352 626056 3.82 266584 3002316 1320664 7.58 2212276 1559016 5212 18:50:19 10094872 13493988 2445100 14.93 272508 3117464 3602396 20.68 2262784 3475304 8300 19:00:19 7788144 11227304 4710472 28.77 274964 3154988 5360908 30.77 2267296 5757832 200 19:10:04 7929040 11382640 4555068 27.82 275572 3168820 5228904 30.01 2268520 5626120 308 19:20:19 6357564 9828076 6108812 37.31 276060 3185180 6796160 39.01 2270432 7191264 256 19:30:19 6268844 9756636 6180284 37.75 276528 3201992 6812976 39.11 2273212 7273596 212 19:40:19 7803020 11431404 4506460 27.52 280956 3332336 5207620 29.89 2289484 5728412 320 19:50:19 6846640 10498664 5438244 33.21 281644 3355244 6067864 34.83 2301108 6644344 472 Average: 6696242 10271936 5664273 34.60 272234 3282025 6524973 37.45 2241201 6860799 1782 18:10:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:20:19 lo 6.29 6.29 7.18 7.18 0.00 0.00 0.00 0.00 18:20:19 ens3 116.10 88.22 1921.41 9.84 0.00 0.00 0.00 0.00 18:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:19 lo 40.41 40.41 21.62 21.62 0.00 0.00 0.00 0.00 18:30:19 ens3 1.97 1.70 0.45 0.38 0.00 0.00 0.00 0.00 18:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:16 lo 31.04 31.04 11.49 11.49 0.00 0.00 0.00 0.00 18:40:16 ens3 0.97 0.71 0.18 0.14 0.00 0.00 0.00 0.00 18:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:19 lo 9.55 9.55 5.74 5.74 0.00 0.00 0.00 0.00 18:50:19 ens3 1.12 0.87 0.25 0.21 0.00 0.00 0.00 0.00 18:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:19 lo 20.93 20.93 11.12 11.12 0.00 0.00 0.00 0.00 19:00:19 ens3 0.95 0.70 0.20 0.15 0.00 0.00 0.00 0.00 19:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:04 lo 23.57 23.57 9.00 9.00 0.00 0.00 0.00 0.00 19:10:04 ens3 0.91 0.79 0.17 1.05 0.00 0.00 0.00 0.00 19:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:19 lo 25.13 25.13 11.30 11.30 0.00 0.00 0.00 0.00 19:20:19 ens3 0.80 0.53 0.15 0.12 0.00 0.00 0.00 0.00 19:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:19 lo 17.89 17.89 10.66 10.66 0.00 0.00 0.00 0.00 19:30:19 ens3 0.82 0.60 0.17 0.13 0.00 0.00 0.00 0.00 19:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:19 lo 12.64 12.64 7.66 7.66 0.00 0.00 0.00 0.00 19:40:19 ens3 1.10 0.72 0.30 0.23 0.00 0.00 0.00 0.00 19:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:19 lo 31.27 31.27 12.31 12.31 0.00 0.00 0.00 0.00 19:50:19 ens3 1.00 0.66 0.21 0.16 0.00 0.00 0.00 0.00 19:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.86 21.86 10.81 10.81 0.00 0.00 0.00 0.00 Average: ens3 12.58 9.55 192.35 1.24 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-931) 03/17/26 _x86_64_ (4 CPU) 18:08:42 LINUX RESTART (4 CPU) 18:10:19 CPU %user %nice %system %iowait %steal %idle 18:20:19 all 54.19 0.00 2.77 0.77 0.11 42.16 18:20:19 0 53.96 0.00 2.68 0.76 0.11 42.49 18:20:19 1 53.53 0.00 2.79 0.64 0.11 42.93 18:20:19 2 57.04 0.00 2.59 0.93 0.11 39.33 18:20:19 3 52.24 0.00 3.02 0.75 0.11 43.89 18:30:19 all 49.41 0.00 1.90 0.13 0.13 48.42 18:30:19 0 50.36 0.00 1.84 0.19 0.13 47.48 18:30:19 1 49.55 0.00 1.73 0.08 0.13 48.50 18:30:19 2 49.37 0.00 2.00 0.05 0.13 48.45 18:30:19 3 48.37 0.00 2.04 0.20 0.13 49.26 18:40:16 all 13.99 0.00 0.78 0.07 0.13 85.02 18:40:16 0 14.39 0.00 0.72 0.13 0.12 84.64 18:40:16 1 14.03 0.00 0.81 0.09 0.13 84.94 18:40:16 2 14.12 0.00 0.82 0.03 0.13 84.90 18:40:16 3 13.43 0.00 0.78 0.05 0.12 85.61 18:50:19 all 28.89 0.00 1.01 0.09 0.11 69.90 18:50:19 0 27.82 0.00 0.92 0.02 0.10 71.14 18:50:19 1 29.45 0.00 1.17 0.05 0.11 69.21 18:50:19 2 29.47 0.00 1.06 0.11 0.11 69.25 18:50:19 3 28.82 0.00 0.89 0.16 0.12 70.01 19:00:19 all 21.77 0.00 0.72 0.06 0.11 77.33 19:00:19 0 21.38 0.00 0.68 0.06 0.11 77.77 19:00:19 1 21.88 0.00 0.75 0.05 0.11 77.21 19:00:19 2 21.79 0.00 0.67 0.09 0.12 77.34 19:00:19 3 22.05 0.00 0.80 0.03 0.12 77.00 19:10:04 all 8.10 0.00 0.40 0.05 0.10 91.35 19:10:04 0 7.41 0.00 0.37 0.07 0.10 92.04 19:10:04 1 8.62 0.00 0.42 0.06 0.10 90.80 19:10:04 2 8.08 0.00 0.39 0.02 0.10 91.41 19:10:04 3 8.30 0.00 0.41 0.03 0.10 91.16 19:20:19 all 9.49 0.00 0.48 0.03 0.10 89.90 19:20:19 0 9.56 0.00 0.44 0.01 0.10 89.89 19:20:19 1 9.24 0.00 0.48 0.02 0.10 90.16 19:20:19 2 9.77 0.00 0.49 0.03 0.11 89.60 19:20:19 3 9.38 0.00 0.51 0.04 0.10 89.97 19:30:19 all 9.19 0.00 0.37 0.02 0.10 90.32 19:30:19 0 8.99 0.00 0.36 0.02 0.10 90.53 19:30:19 1 9.55 0.00 0.45 0.05 0.11 89.84 19:30:19 2 9.02 0.00 0.35 0.02 0.11 90.51 19:30:19 3 9.19 0.00 0.30 0.01 0.10 90.39 19:40:19 all 18.00 0.00 0.73 0.06 0.10 81.11 19:40:19 0 18.04 0.00 0.73 0.04 0.09 81.09 19:40:19 1 18.12 0.00 0.78 0.03 0.11 80.97 19:40:19 2 17.83 0.00 0.69 0.12 0.10 81.26 19:40:19 3 18.03 0.00 0.72 0.04 0.10 81.11 19:50:19 all 10.54 0.00 0.53 0.06 0.10 88.76 19:50:19 0 9.88 0.00 0.50 0.02 0.10 89.51 19:50:19 1 10.92 0.00 0.49 0.06 0.09 88.44 19:50:19 2 10.36 0.00 0.56 0.16 0.10 88.82 19:50:19 3 11.02 0.00 0.59 0.02 0.09 88.27 Average: all 22.36 0.00 0.97 0.13 0.11 76.42 Average: 0 22.19 0.00 0.92 0.13 0.11 76.65 Average: 1 22.49 0.00 0.99 0.11 0.11 76.30 Average: 2 22.69 0.00 0.96 0.16 0.11 76.08 Average: 3 22.08 0.00 1.01 0.13 0.11 76.67