---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9842 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 12G 66G 16% / 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 695 8599 4 6695 14951 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:6e:55:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83963sec preferred_lft 83963sec inet6 fe80::f816:3eff:fe6e:55c4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:83:c1:46:f9:e8 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-9842) 04/30/26 _x86_64_ (4 CPU) 05:15:22 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:22 73.77 5.55 53.43 14.79 872.08 6055.86 250178.31 05:40:22 27.28 0.02 24.16 3.10 0.23 2178.84 11586.69 05:50:01 22.37 0.03 20.31 2.03 0.48 4002.54 20038.58 Average: 41.73 1.93 33.01 6.79 300.92 4102.37 96571.26 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:22 9796924 13457580 2501724 15.28 132892 3664420 2610044 14.98 815560 5385652 12160 05:40:22 9112948 13188532 2766944 16.90 153448 4024784 2846848 16.34 940504 5914448 31740 05:50:01 5418200 10407480 5544216 33.86 164780 4887484 5302344 30.44 1198232 9289236 292 Average: 8109357 12351197 3604295 22.01 150373 4192229 3586412 20.59 984765 6863112 14731 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:22 lo 752.44 752.44 715.67 715.67 0.00 0.00 0.00 0.00 05:30:22 ens3 147.34 109.80 1403.88 21.57 0.00 0.00 0.00 0.00 05:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:22 lo 1502.90 1502.90 1427.02 1427.02 0.00 0.00 0.00 0.00 05:40:22 ens3 37.74 32.25 16.73 11.67 0.00 0.00 0.00 0.00 05:40:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 859.54 859.54 5352.90 5352.90 0.00 0.00 0.00 0.00 05:50:01 ens3 24.40 21.17 34.97 7.78 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1037.15 1037.15 2444.85 2444.85 0.00 0.00 0.00 0.00 Average: ens3 71.23 55.42 500.88 13.83 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-9842) 04/30/26 _x86_64_ (4 CPU) 05:15:22 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:22 all 38.63 0.00 1.86 0.34 0.07 59.11 05:30:22 0 40.24 0.00 2.11 0.28 0.07 57.30 05:30:22 1 36.80 0.00 1.98 0.47 0.07 60.68 05:30:22 2 38.34 0.00 1.92 0.44 0.07 59.23 05:30:22 3 39.16 0.00 1.42 0.14 0.07 59.21 05:40:22 all 66.95 0.00 2.46 0.05 0.10 30.46 05:40:22 0 66.55 0.00 2.31 0.06 0.10 30.99 05:40:22 1 66.12 0.00 2.52 0.04 0.10 31.22 05:40:22 2 67.57 0.00 2.11 0.04 0.09 30.19 05:40:22 3 67.55 0.00 2.88 0.06 0.10 29.42 05:50:01 all 51.14 0.00 1.86 0.08 0.09 46.84 05:50:01 0 46.11 0.00 1.69 0.10 0.09 52.00 05:50:01 1 56.71 0.00 1.74 0.05 0.09 41.41 05:50:01 2 46.00 0.00 2.11 0.12 0.09 51.67 05:50:01 3 55.71 0.00 1.90 0.03 0.09 42.27 Average: all 52.09 0.00 2.06 0.16 0.08 45.61 Average: 0 50.90 0.00 2.04 0.15 0.08 46.82 Average: 1 52.97 0.00 2.09 0.19 0.08 44.67 Average: 2 50.55 0.00 2.05 0.21 0.08 47.12 Average: 3 53.94 0.00 2.06 0.08 0.08 43.84