---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20223 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 11G 67G 14% / 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 661 10226 4 5100 14985 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:d4:f7:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82940sec preferred_lft 82940sec inet6 fe80::f816:3eff:fed4:f74a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:a1:7d:d9:27:5a 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20223) 02/23/26 _x86_64_ (4 CPU) 15:04:49 LINUX RESTART (4 CPU) 15:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:19 15.63 0.15 2.87 12.61 23.23 377.60 240985.73 15:30:09 1.04 0.00 1.04 0.00 0.00 12.23 0.00 15:40:07 41.05 2.27 38.18 0.59 129.73 2211.48 1277.91 15:50:19 16.08 2.18 12.80 1.10 134.31 3253.63 2216.09 16:00:12 34.52 0.63 29.70 4.19 22.63 4527.22 3311.93 Average: 21.64 1.05 16.84 3.75 62.29 2072.79 50757.46 15:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:19 13450088 15537036 477188 2.91 58824 2252212 1141000 6.55 400948 2268948 172 15:30:09 13449840 15537108 477068 2.91 59120 2252220 1141000 6.55 401244 2269924 40 15:40:07 12648464 15422396 548324 3.35 107180 2853332 1359292 7.80 563644 2844192 118836 15:50:19 10122564 13830852 2127188 12.99 142268 3679840 2396324 13.75 812928 5049356 34396 16:00:12 10528528 15390608 558920 3.41 175000 4715632 1112980 6.39 1117140 4227896 12 Average: 12039897 15143600 837738 5.12 108478 3150647 1430119 8.21 659181 3332063 30691 15:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:20:19 ens3 0.21 0.12 0.07 0.02 0.00 0.00 0.00 0.00 15:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:30:09 ens3 0.17 0.08 0.04 0.02 0.00 0.00 0.00 0.00 15:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:07 lo 0.29 0.29 0.04 0.04 0.00 0.00 0.00 0.00 15:40:07 ens3 61.75 47.38 478.52 9.36 0.00 0.00 0.00 0.00 15:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:19 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 15:50:19 ens3 101.76 77.53 477.21 20.36 0.00 0.00 0.00 0.00 15:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:12 lo 1544.80 1544.80 1465.42 1465.42 0.00 0.00 0.00 0.00 16:00:12 ens3 100.73 85.01 410.85 110.69 0.00 0.00 0.00 0.00 16:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 305.02 305.02 289.03 289.03 0.00 0.00 0.00 0.00 Average: ens3 52.88 41.97 273.07 27.83 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20223) 02/23/26 _x86_64_ (4 CPU) 15:04:49 LINUX RESTART (4 CPU) 15:10:01 CPU %user %nice %system %iowait %steal %idle 15:20:19 all 0.39 0.00 0.10 0.13 0.02 99.35 15:20:19 0 0.04 0.00 0.15 0.37 0.01 99.43 15:20:19 1 0.90 0.00 0.09 0.02 0.03 98.96 15:20:19 2 0.30 0.00 0.09 0.05 0.01 99.55 15:20:19 3 0.33 0.00 0.09 0.09 0.02 99.47 15:30:09 all 0.09 0.00 0.02 0.02 0.02 99.85 15:30:09 0 0.02 0.00 0.02 0.02 0.01 99.93 15:30:09 1 0.23 0.00 0.01 0.00 0.01 99.74 15:30:09 2 0.09 0.00 0.02 0.05 0.02 99.82 15:30:09 3 0.03 0.00 0.04 0.01 0.03 99.89 15:40:07 all 3.57 0.00 0.38 0.30 0.04 95.71 15:40:07 0 2.89 0.00 0.27 0.11 0.02 96.70 15:40:07 1 3.13 0.00 0.30 0.57 0.07 95.94 15:40:07 2 3.08 0.00 0.31 0.07 0.04 96.50 15:40:07 3 5.18 0.00 0.64 0.46 0.03 93.69 15:50:19 all 72.55 0.00 2.28 0.42 0.11 24.64 15:50:19 0 74.58 0.00 2.47 0.44 0.12 22.39 15:50:19 1 73.45 0.00 2.10 0.32 0.11 24.02 15:50:19 2 72.60 0.00 2.36 0.19 0.11 24.74 15:50:19 3 69.55 0.00 2.17 0.75 0.11 27.41 16:00:12 all 58.65 0.00 2.46 0.18 0.09 38.63 16:00:12 0 56.60 0.00 2.39 0.14 0.08 40.79 16:00:12 1 58.30 0.00 2.44 0.14 0.09 39.02 16:00:12 2 60.94 0.00 2.62 0.25 0.09 36.10 16:00:12 3 58.77 0.00 2.37 0.19 0.09 38.58 Average: all 27.05 0.00 1.05 0.21 0.06 71.64 Average: 0 26.84 0.00 1.06 0.22 0.05 71.83 Average: 1 27.18 0.00 0.99 0.21 0.06 71.56 Average: 2 27.40 0.00 1.08 0.12 0.05 71.35 Average: 3 26.78 0.00 1.06 0.30 0.06 71.80