---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17496 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 630 10330 4 5028 15016 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:9e:31:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82388sec preferred_lft 82388sec inet6 fe80::f816:3eff:fe9e:3196/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:e8:6f:2c:e5:57 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-17496) 05/21/26 _x86_64_ (4 CPU) 19:28:05 LINUX RESTART (4 CPU) 19:30:36 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:40:01 4.81 0.10 4.31 0.40 3.55 318.94 589.50 19:50:16 1.61 0.00 1.60 0.00 0.04 17.78 0.18 20:00:11 1.59 0.02 1.57 0.00 1.65 17.23 0.04 20:10:01 34.33 3.07 30.64 0.61 194.01 2832.30 797.35 20:20:35 19.21 1.26 5.22 12.73 69.42 1676.96 226658.58 20:30:22 6.15 0.37 5.52 0.26 11.42 684.00 326.03 Average: 11.34 0.81 8.08 2.46 46.87 930.15 40338.34 19:30:36 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:40:01 13665608 15512344 504060 3.08 57924 2014652 1145268 6.57 225992 2217576 140 19:50:16 13665636 15513128 503288 3.07 58568 2014772 1145332 6.57 226620 2218752 172 20:00:11 13669788 15518340 498160 3.04 59160 2015260 1145460 6.57 227456 2226204 164 20:10:01 11937940 14810884 1154080 7.05 109232 2942752 1634180 9.38 380604 3726164 256852 20:20:35 8616492 11775592 4186556 25.57 119004 3197904 4360216 25.03 533660 6873984 900 20:30:22 9085812 12931356 3026968 18.49 136008 3829736 3145492 18.06 622844 6243052 498736 Average: 11773546 14343607 1645519 10.05 89983 2669179 2095991 12.03 369529 3917622 126161 19:30:36 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:40:01 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 19:40:01 ens3 7.35 4.61 90.61 0.39 0.00 0.00 0.00 0.00 19:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:16 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 19:50:16 ens3 0.42 0.13 0.11 0.06 0.00 0.00 0.00 0.00 19:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:11 lo 0.09 0.09 0.01 0.01 0.00 0.00 0.00 0.00 20:00:11 ens3 0.43 0.24 0.12 0.46 0.00 0.00 0.00 0.00 20:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 lo 0.32 0.32 0.03 0.03 0.00 0.00 0.00 0.00 20:10:01 ens3 74.69 56.29 798.69 10.08 0.00 0.00 0.00 0.00 20:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:35 lo 0.63 0.63 0.36 0.36 0.00 0.00 0.00 0.00 20:20:35 ens3 18.95 15.70 146.54 3.08 0.00 0.00 0.00 0.00 20:20:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:22 lo 102.30 102.30 97.21 97.21 0.00 0.00 0.00 0.00 20:30:22 ens3 39.08 27.06 441.12 3.46 0.00 0.00 0.00 0.00 20:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 16.98 16.98 16.00 16.00 0.00 0.00 0.00 0.00 Average: ens3 23.33 17.25 243.77 2.91 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-17496) 05/21/26 _x86_64_ (4 CPU) 19:28:05 LINUX RESTART (4 CPU) 19:30:36 CPU %user %nice %system %iowait %steal %idle 19:40:01 all 0.34 0.00 0.14 0.08 0.01 99.43 19:40:01 0 0.67 0.00 0.10 0.23 0.01 98.99 19:40:01 1 0.25 0.00 0.09 0.02 0.01 99.63 19:40:01 2 0.23 0.00 0.25 0.02 0.01 99.49 19:40:01 3 0.23 0.00 0.11 0.03 0.01 99.62 19:50:16 all 0.23 0.00 0.04 0.23 0.01 99.49 19:50:16 0 0.83 0.00 0.07 0.00 0.02 99.08 19:50:16 1 0.03 0.00 0.03 0.90 0.01 99.02 19:50:16 2 0.03 0.00 0.03 0.00 0.01 99.93 19:50:16 3 0.03 0.00 0.02 0.00 0.01 99.95 20:00:11 all 0.09 0.00 0.04 0.02 0.01 99.85 20:00:11 0 0.05 0.00 0.02 0.00 0.00 99.93 20:00:11 1 0.05 0.00 0.03 0.07 0.00 99.85 20:00:11 2 0.05 0.00 0.05 0.01 0.01 99.88 20:00:11 3 0.21 0.00 0.04 0.00 0.01 99.73 20:10:01 all 7.05 0.00 0.53 0.24 0.02 92.15 20:10:01 0 8.65 0.00 0.81 0.45 0.02 90.07 20:10:01 1 6.34 0.00 0.48 0.43 0.02 92.72 20:10:01 2 6.03 0.00 0.40 0.05 0.02 93.49 20:10:01 3 7.17 0.00 0.43 0.05 0.03 92.33 20:20:35 all 51.53 0.00 0.83 0.04 0.09 47.52 20:20:35 0 45.90 0.00 0.73 0.05 0.08 53.24 20:20:35 1 58.11 0.00 0.89 0.06 0.09 40.85 20:20:35 2 47.60 0.00 0.80 0.02 0.09 51.50 20:20:35 3 54.46 0.00 0.90 0.03 0.09 44.52 20:30:22 all 51.05 0.00 0.77 0.02 0.08 48.08 20:30:22 0 59.40 0.00 0.63 0.02 0.09 39.86 20:30:22 1 50.55 0.00 0.60 0.01 0.08 48.77 20:30:22 2 54.53 0.00 1.01 0.02 0.08 44.35 20:30:22 3 39.70 0.00 0.83 0.03 0.07 59.37 Average: all 18.73 0.00 0.39 0.10 0.04 80.73 Average: 0 19.51 0.00 0.40 0.12 0.04 79.93 Average: 1 19.67 0.00 0.36 0.25 0.04 79.68 Average: 2 18.37 0.00 0.43 0.02 0.04 81.14 Average: 3 17.38 0.00 0.39 0.02 0.04 82.16