---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-32653 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 17G 62G 21% / 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 687 12860 3 2441 14959 Swap: 1023 30 993 ---> 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:eb:12:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80545sec preferred_lft 80545sec inet6 fe80::f816:3eff:feeb:12ac/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:2e:f4:a6:ea:28 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::c02e:f4ff:fea6:ea28/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-32653) 07/03/26 _x86_64_ (4 CPU) 12:41:40 LINUX RESTART (4 CPU) 12:50:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:05 51.72 18.45 31.56 1.71 987.08 2019.59 2225.16 13:10:28 26.94 8.39 17.78 0.78 147.11 660.29 593.70 13:20:28 14.65 0.60 13.42 0.62 25.23 359.76 659.27 13:30:28 4.60 0.13 4.32 0.16 4.28 104.49 150.09 13:40:28 20.59 0.45 4.53 15.61 13.68 132.43 215354.22 13:50:19 5.28 0.26 4.85 0.17 8.65 136.65 54.49 14:00:28 9.78 0.79 8.63 0.36 22.21 521.25 197.88 14:10:28 5.56 0.24 5.18 0.14 8.31 146.24 69.72 Average: 17.32 3.64 11.25 2.44 149.11 506.19 27374.52 12:50:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:05 8464780 9944592 5997968 36.63 233096 1386284 6934176 39.80 873104 6632360 77988 13:10:28 8147024 9699312 6244320 38.14 235536 1454636 6940084 39.84 965464 6841052 208 13:20:28 9886172 11486396 4460028 27.24 237812 1500316 5233732 30.04 979684 5105328 64 13:30:28 9793268 11405336 4541112 27.74 238792 1511140 5339136 30.65 982572 5196424 864 13:40:28 8175448 9811916 6133548 37.46 242156 1532172 6927300 39.76 995556 6803492 436 13:50:19 8282728 9936020 6009456 36.70 242844 1548296 6811016 39.10 1001516 6688124 304 14:00:28 9527840 11300360 4645944 28.38 246400 1658580 5411452 31.06 1016416 5425060 212 14:10:28 9480328 11273484 4672728 28.54 246988 1678568 5337212 30.64 1026516 5463828 468 Average: 8969698 10607177 5338138 32.60 240453 1533749 6116764 35.11 980104 6019458 10068 12:50:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:05 lo 31.70 31.70 20.41 20.41 0.00 0.00 0.00 0.00 13:00:05 ens3 2.41 2.20 0.54 1.36 0.00 0.00 0.00 0.00 13:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:28 lo 37.80 37.80 14.63 14.63 0.00 0.00 0.00 0.00 13:10:28 ens3 1.53 1.27 0.35 0.29 0.00 0.00 0.00 0.00 13:10:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:28 lo 19.84 19.84 10.42 10.42 0.00 0.00 0.00 0.00 13:20:28 ens3 0.88 0.79 0.17 0.14 0.00 0.00 0.00 0.00 13:20:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:28 lo 14.19 14.19 6.16 6.16 0.00 0.00 0.00 0.00 13:30:28 ens3 0.58 0.46 0.11 0.09 0.00 0.00 0.00 0.00 13:30:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:28 lo 27.37 27.37 11.11 11.11 0.00 0.00 0.00 0.00 13:40:28 ens3 0.62 0.44 0.14 0.10 0.00 0.00 0.00 0.00 13:40:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:19 lo 19.67 19.67 10.50 10.50 0.00 0.00 0.00 0.00 13:50:19 ens3 0.71 0.63 0.14 0.12 0.00 0.00 0.00 0.00 13:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:28 lo 17.96 17.96 10.30 10.30 0.00 0.00 0.00 0.00 14:00:28 ens3 0.95 0.77 0.28 0.23 0.00 0.00 0.00 0.00 14:00:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:28 lo 16.60 16.60 6.85 6.85 0.00 0.00 0.00 0.00 14:10:28 ens3 0.57 0.46 0.12 0.09 0.00 0.00 0.00 0.00 14:10:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.18 23.18 11.28 11.28 0.00 0.00 0.00 0.00 Average: ens3 1.03 0.87 0.23 0.30 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-32653) 07/03/26 _x86_64_ (4 CPU) 12:41:40 LINUX RESTART (4 CPU) 12:50:22 CPU %user %nice %system %iowait %steal %idle 13:00:05 all 52.24 0.00 2.06 0.16 0.10 45.44 13:00:05 0 53.24 0.00 2.06 0.11 0.10 44.50 13:00:05 1 52.14 0.00 2.11 0.12 0.10 45.53 13:00:05 2 51.94 0.00 2.06 0.31 0.10 45.58 13:00:05 3 51.65 0.00 2.02 0.08 0.10 46.15 13:10:28 all 32.04 0.00 1.31 0.08 0.09 66.47 13:10:28 0 31.65 0.00 1.25 0.05 0.09 66.96 13:10:28 1 32.57 0.00 1.26 0.05 0.09 66.03 13:10:28 2 32.15 0.00 1.45 0.10 0.09 66.20 13:10:28 3 31.79 0.00 1.28 0.14 0.09 66.69 13:20:28 all 25.48 0.00 0.81 0.04 0.08 73.58 13:20:28 0 25.01 0.00 0.71 0.04 0.08 74.16 13:20:28 1 26.25 0.00 0.83 0.05 0.08 72.78 13:20:28 2 25.84 0.00 0.86 0.03 0.09 73.19 13:20:28 3 24.82 0.00 0.85 0.06 0.09 74.18 13:30:28 all 7.42 0.00 0.35 0.02 0.07 92.15 13:30:28 0 7.23 0.00 0.29 0.01 0.07 92.41 13:30:28 1 7.40 0.00 0.29 0.07 0.07 92.17 13:30:28 2 7.54 0.00 0.46 0.00 0.06 91.94 13:30:28 3 7.50 0.00 0.36 0.01 0.07 92.06 13:40:28 all 10.73 0.00 0.46 0.05 0.07 88.69 13:40:28 0 10.71 0.00 0.39 0.05 0.06 88.79 13:40:28 1 10.57 0.00 0.46 0.03 0.07 88.87 13:40:28 2 10.73 0.00 0.50 0.02 0.08 88.67 13:40:28 3 10.90 0.00 0.50 0.09 0.07 88.44 13:50:19 all 10.00 0.00 0.38 0.02 0.07 89.53 13:50:19 0 9.70 0.00 0.36 0.03 0.07 89.84 13:50:19 1 10.36 0.00 0.36 0.03 0.07 89.17 13:50:19 2 9.72 0.00 0.36 0.01 0.07 89.84 13:50:19 3 10.23 0.00 0.42 0.01 0.07 89.26 14:00:28 all 13.39 0.00 0.53 0.04 0.07 85.98 14:00:28 0 13.56 0.00 0.54 0.05 0.07 85.78 14:00:28 1 13.23 0.00 0.50 0.02 0.08 86.17 14:00:28 2 13.35 0.00 0.55 0.06 0.07 85.97 14:00:28 3 13.40 0.00 0.52 0.02 0.07 85.98 14:10:28 all 8.27 0.00 0.39 0.07 0.06 91.21 14:10:28 0 7.92 0.00 0.34 0.12 0.05 91.57 14:10:28 1 8.00 0.00 0.43 0.10 0.06 91.41 14:10:28 2 8.51 0.00 0.42 0.03 0.06 90.99 14:10:28 3 8.66 0.00 0.38 0.01 0.06 90.89 Average: all 19.90 0.00 0.79 0.06 0.08 79.18 Average: 0 19.82 0.00 0.74 0.06 0.07 79.31 Average: 1 20.03 0.00 0.78 0.06 0.08 79.06 Average: 2 19.93 0.00 0.83 0.07 0.08 79.10 Average: 3 19.82 0.00 0.79 0.05 0.08 79.26