---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1197 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: 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 695 10254 4 5039 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:4f:64:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.233/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84088sec preferred_lft 84088sec inet6 fe80::f816:3eff:fe4f:641f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:df:7b:55:23:39 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-1197) 08/01/26 _x86_64_ (4 CPU) 13:45:13 LINUX RESTART (4 CPU) 13:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:06 11.13 2.15 8.45 0.53 151.12 2233.82 23498.33 14:10:06 24.33 0.45 9.45 14.43 17.79 2253.74 241730.60 14:20:06 30.60 0.58 25.85 4.16 22.36 3799.45 2846.54 Average: 22.01 1.06 14.58 6.37 63.81 2761.91 89333.81 13:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:06 11132340 14332396 1629216 9.95 121284 3228600 2102944 12.07 500524 4384736 45764 14:10:06 9529212 13382408 2572848 15.71 151472 3787816 2902988 16.66 671908 5749308 32216 14:20:06 10577428 15377808 571408 3.49 176844 4648008 1097300 6.30 923536 4366180 184 Average: 10412993 14364204 1591157 9.72 149867 3888141 2034411 11.68 698656 4833408 26055 13:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:06 lo 0.38 0.38 0.04 0.04 0.00 0.00 0.00 0.00 14:00:06 ens3 86.45 60.89 991.15 9.02 0.00 0.00 0.00 0.00 14:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:06 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 14:10:06 ens3 71.96 56.99 103.06 18.06 0.00 0.00 0.00 0.00 14:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:06 lo 1734.79 1734.79 1646.73 1646.73 0.00 0.00 0.00 0.00 14:20:06 ens3 96.98 82.27 405.80 96.83 0.00 0.00 0.00 0.00 14:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 578.39 578.39 548.52 548.52 0.00 0.00 0.00 0.00 Average: ens3 85.13 66.71 500.28 41.28 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-1197) 08/01/26 _x86_64_ (4 CPU) 13:45:13 LINUX RESTART (4 CPU) 13:50:05 CPU %user %nice %system %iowait %steal %idle 14:00:06 all 16.22 0.00 0.62 0.09 0.03 83.04 14:00:06 0 17.09 0.00 0.71 0.11 0.03 82.05 14:00:06 1 15.46 0.00 0.62 0.11 0.03 83.78 14:00:06 2 15.97 0.00 0.55 0.08 0.03 83.37 14:00:06 3 16.36 0.00 0.59 0.06 0.04 82.95 14:10:06 all 72.96 0.00 2.26 0.04 0.11 24.63 14:10:06 0 74.54 0.00 2.20 0.06 0.11 23.09 14:10:06 1 70.82 0.00 2.24 0.03 0.11 26.80 14:10:06 2 75.23 0.00 2.68 0.02 0.11 21.95 14:10:06 3 71.23 0.00 1.91 0.05 0.11 26.70 14:20:06 all 45.25 0.00 2.10 0.10 0.08 52.47 14:20:06 0 44.85 0.00 2.09 0.14 0.07 52.85 14:20:06 1 44.67 0.00 2.13 0.14 0.08 52.98 14:20:06 2 47.58 0.00 2.25 0.03 0.08 50.06 14:20:06 3 43.91 0.00 1.93 0.09 0.08 53.99 Average: all 44.79 0.00 1.66 0.08 0.07 53.40 Average: 0 45.47 0.00 1.67 0.10 0.07 52.69 Average: 1 43.61 0.00 1.66 0.09 0.07 54.56 Average: 2 46.23 0.00 1.83 0.05 0.08 51.83 Average: 3 43.83 0.00 1.48 0.07 0.07 54.54