---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26349 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 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 686 10257 4 5045 14960 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:19:b9:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82407sec preferred_lft 82407sec inet6 fe80::f816:3eff:fe19:b9e6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:73:c1:d7:36:de 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-26349) 06/10/26 _x86_64_ (4 CPU) 02:46:39 LINUX RESTART (4 CPU) 02:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:19 4.01 0.41 3.35 0.24 403.35 403.85 5361.21 03:10:19 1.48 0.01 1.48 0.00 0.04 24.52 0.00 03:20:19 14.78 0.01 1.55 13.23 0.16 25.96 240563.19 03:30:17 1.89 0.04 1.85 0.00 0.81 48.35 0.03 03:40:18 15.80 2.28 12.51 1.00 137.72 3299.95 2648.26 03:50:19 31.57 0.78 26.78 4.00 26.93 4170.12 12733.17 Average: 11.59 0.59 7.92 3.08 94.88 1329.75 43551.78 02:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:19 12806292 15496088 476184 2.91 100240 2777424 1001644 5.75 474928 2756676 68 03:10:19 12794560 15485552 486568 2.97 101228 2777548 1023116 5.87 475948 2759944 360 03:20:19 12787784 15484968 487148 2.98 102504 2782364 1002168 5.75 481880 2762192 52 03:30:17 12676280 15382484 588208 3.59 106108 2786504 1372008 7.88 492116 2893100 6832 03:40:18 9567612 13328476 2628412 16.05 148472 3710280 2893552 16.61 766688 5632328 42012 03:50:19 10543596 15350528 599272 3.66 177460 4657164 1116180 6.41 1040996 4271536 4 Average: 11862687 15088016 877632 5.36 122669 3248547 1401445 8.04 622093 3512629 8221 02:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:19 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 03:00:19 ens3 12.53 5.03 167.98 0.66 0.00 0.00 0.00 0.00 03:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 03:10:19 ens3 4.60 2.54 43.26 0.36 0.00 0.00 0.00 0.00 03:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 03:20:19 ens3 4.25 3.45 66.04 0.44 0.00 0.00 0.00 0.00 03:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:17 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 03:30:17 ens3 7.53 7.13 82.93 1.48 0.00 0.00 0.00 0.00 03:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:18 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 03:40:18 ens3 78.62 65.37 597.38 15.51 0.00 0.00 0.00 0.00 03:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:19 lo 1712.34 1712.34 1625.96 1625.96 0.00 0.00 0.00 0.00 03:50:19 ens3 82.63 71.99 405.87 79.62 0.00 0.00 0.00 0.00 03:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 285.70 285.70 271.03 271.03 0.00 0.00 0.00 0.00 Average: ens3 31.71 25.93 227.40 16.35 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-4g-26349) 06/10/26 _x86_64_ (4 CPU) 02:46:39 LINUX RESTART (4 CPU) 02:50:19 CPU %user %nice %system %iowait %steal %idle 03:00:19 all 0.46 0.00 0.10 0.04 0.02 99.39 03:00:19 0 0.27 0.00 0.11 0.07 0.01 99.54 03:00:19 1 0.27 0.00 0.11 0.05 0.03 99.55 03:00:19 2 0.73 0.00 0.08 0.01 0.02 99.16 03:00:19 3 0.57 0.00 0.10 0.02 0.02 99.30 03:10:19 all 0.21 0.00 0.03 0.01 0.02 99.74 03:10:19 0 0.02 0.00 0.02 0.00 0.02 99.94 03:10:19 1 0.44 0.00 0.02 0.00 0.02 99.52 03:10:19 2 0.25 0.00 0.02 0.02 0.01 99.69 03:10:19 3 0.11 0.00 0.05 0.00 0.02 99.82 03:20:19 all 0.17 0.00 0.04 0.02 0.02 99.74 03:20:19 0 0.01 0.00 0.02 0.01 0.02 99.94 03:20:19 1 0.49 0.00 0.03 0.00 0.02 99.46 03:20:19 2 0.03 0.00 0.04 0.08 0.01 99.84 03:20:19 3 0.17 0.00 0.08 0.01 0.03 99.72 03:30:17 all 0.33 0.00 0.05 0.01 0.02 99.59 03:30:17 0 0.22 0.00 0.03 0.03 0.01 99.71 03:30:17 1 0.61 0.00 0.04 0.00 0.03 99.32 03:30:17 2 0.16 0.00 0.05 0.00 0.03 99.76 03:30:17 3 0.34 0.00 0.09 0.00 0.01 99.56 03:40:18 all 72.53 0.00 2.25 0.04 0.11 25.08 03:40:18 0 72.61 0.00 2.45 0.04 0.11 24.80 03:40:18 1 73.64 0.00 2.27 0.03 0.11 23.95 03:40:18 2 73.62 0.00 2.20 0.06 0.11 24.01 03:40:18 3 70.23 0.00 2.06 0.03 0.11 27.58 03:50:19 all 57.48 0.00 2.43 0.07 0.09 39.93 03:50:19 0 53.20 0.00 2.31 0.10 0.09 44.30 03:50:19 1 55.90 0.00 2.32 0.10 0.09 41.59 03:50:19 2 62.40 0.00 2.67 0.04 0.09 34.79 03:50:19 3 58.42 0.00 2.41 0.04 0.09 39.05 Average: all 21.84 0.00 0.81 0.03 0.04 77.27 Average: 0 21.04 0.00 0.82 0.04 0.04 78.05 Average: 1 21.88 0.00 0.80 0.03 0.05 77.24 Average: 2 22.83 0.00 0.84 0.04 0.04 76.24 Average: 3 21.62 0.00 0.79 0.02 0.05 77.52