---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32313 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 13G 65G 17% / 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 657 8317 4 7015 14989 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:16:6b:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83830sec preferred_lft 83830sec inet6 fe80::f816:3eff:fe16:6bba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:65:99:2e:e2:9d 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-32313) 07/02/26 _x86_64_ (4 CPU) 07:48:31 LINUX RESTART (4 CPU) 07:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:07 28.67 3.90 22.53 2.24 200.13 5111.94 3512.12 08:10:00 27.85 0.02 24.78 3.06 0.20 2142.01 6614.69 08:20:21 21.15 0.03 19.13 1.99 0.40 3661.03 5125.04 08:30:15 12.30 0.29 10.72 1.29 11.49 7457.94 3107.51 Average: 22.49 1.05 19.29 2.14 52.73 4584.24 4593.55 07:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:07 10266412 13729368 2229976 13.62 131576 3462040 2305116 13.23 635504 5100324 30792 08:10:00 9284824 13094720 2861024 17.47 150864 3759376 2884616 16.56 743796 5909032 15792 08:20:21 7628076 12383464 3569160 21.80 164420 4650516 3462388 19.87 1004268 7280016 1780 08:30:15 8637004 15459668 485224 2.96 179816 6636000 1009608 5.80 1753552 5426840 24 Average: 8954079 13666805 2286346 13.96 156669 4626983 2415432 13.86 1034280 5929053 12097 07:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:07 lo 990.68 990.68 938.17 938.17 0.00 0.00 0.00 0.00 08:00:07 ens3 134.94 104.25 1105.76 19.63 0.00 0.00 0.00 0.00 08:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:00 lo 1501.60 1501.60 1430.75 1430.75 0.00 0.00 0.00 0.00 08:10:00 ens3 34.11 28.38 14.47 10.18 0.00 0.00 0.00 0.00 08:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:21 lo 686.71 686.71 646.18 646.18 0.00 0.00 0.00 0.00 08:20:21 ens3 36.62 28.59 22.97 9.91 0.00 0.00 0.00 0.00 08:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:15 lo 2617.29 2617.29 9391.24 9391.24 0.00 0.00 0.00 0.00 08:30:15 ens3 92.51 106.22 149.54 1236.22 0.00 0.00 0.00 0.00 08:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1439.80 1439.80 3070.93 3070.93 0.00 0.00 0.00 0.00 Average: ens3 74.23 66.51 321.24 315.11 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-32313) 07/02/26 _x86_64_ (4 CPU) 07:48:31 LINUX RESTART (4 CPU) 07:50:08 CPU %user %nice %system %iowait %steal %idle 08:00:07 all 45.07 0.00 1.78 0.11 0.08 52.96 08:00:07 0 46.21 0.00 1.99 0.12 0.08 51.60 08:00:07 1 44.80 0.00 1.68 0.05 0.08 53.40 08:00:07 2 43.75 0.00 1.54 0.17 0.08 54.46 08:00:07 3 45.54 0.00 1.89 0.09 0.08 52.40 08:10:00 all 64.36 0.00 2.40 0.05 0.10 33.09 08:10:00 0 60.62 0.00 2.30 0.02 0.10 36.96 08:10:00 1 65.95 0.00 2.07 0.02 0.10 31.86 08:10:00 2 64.74 0.00 2.60 0.08 0.10 32.48 08:10:00 3 66.13 0.00 2.65 0.06 0.10 31.06 08:20:21 all 42.59 0.00 1.74 0.07 0.08 55.51 08:20:21 0 42.62 0.00 1.63 0.06 0.09 55.60 08:20:21 1 44.28 0.00 2.03 0.05 0.08 53.55 08:20:21 2 42.77 0.00 1.67 0.11 0.09 55.36 08:20:21 3 40.70 0.00 1.64 0.04 0.08 57.54 08:30:15 all 36.03 0.00 1.32 0.12 0.07 62.46 08:30:15 0 37.33 0.00 1.21 0.07 0.07 61.32 08:30:15 1 33.25 0.00 1.05 0.13 0.07 65.50 08:30:15 2 41.54 0.00 1.16 0.22 0.07 57.00 08:30:15 3 32.00 0.00 1.86 0.05 0.07 66.01 Average: all 46.95 0.00 1.81 0.08 0.08 51.07 Average: 0 46.64 0.00 1.78 0.07 0.08 51.42 Average: 1 47.02 0.00 1.71 0.06 0.08 51.12 Average: 2 48.13 0.00 1.74 0.15 0.08 49.90 Average: 3 46.02 0.00 2.01 0.06 0.08 51.83