---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32712 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 622 10406 4 4960 15024 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:94:44:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84822sec preferred_lft 84822sec inet6 fe80::f816:3eff:fe94:44f3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:08:70:f0:01:d2 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-32712) 07/04/26 _x86_64_ (4 CPU) 00:25:28 LINUX RESTART (4 CPU) 00:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:00 4.35 0.24 3.92 0.20 24.61 721.53 167.12 00:50:00 20.53 0.52 18.45 1.57 19.03 2620.13 6551.92 Average: 12.44 0.38 11.18 0.88 21.82 1670.83 3359.52 00:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:00 10762232 13842020 2121128 12.95 114872 3121692 2422404 13.90 492924 4779128 12076 00:50:00 9499864 13614332 2343616 14.31 137024 4085124 2521160 14.47 735852 5719896 530052 Average: 10131048 13728176 2232372 13.63 125948 3603408 2471782 14.19 614388 5249512 271064 00:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:00 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 00:40:00 ens3 16.23 12.63 84.77 2.81 0.00 0.00 0.00 0.00 00:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:00 lo 504.96 504.96 481.13 481.13 0.00 0.00 0.00 0.00 00:50:00 ens3 54.11 39.02 527.78 6.85 0.00 0.00 0.00 0.00 00:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 252.79 252.79 240.75 240.75 0.00 0.00 0.00 0.00 Average: ens3 35.17 25.82 306.27 4.83 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-32712) 07/04/26 _x86_64_ (4 CPU) 00:25:28 LINUX RESTART (4 CPU) 00:30:00 CPU %user %nice %system %iowait %steal %idle 00:40:00 all 47.87 0.00 0.72 0.03 0.08 51.30 00:40:00 0 44.54 0.00 0.67 0.03 0.08 54.68 00:40:00 1 57.71 0.00 0.82 0.01 0.09 41.37 00:40:00 2 43.48 0.00 0.60 0.03 0.08 55.81 00:40:00 3 45.74 0.00 0.79 0.03 0.08 53.36 00:50:00 all 59.11 0.00 1.44 0.11 0.09 39.24 00:50:00 0 64.01 0.00 1.68 0.06 0.10 34.16 00:50:00 1 51.20 0.00 1.25 0.06 0.09 47.39 00:50:00 2 69.44 0.00 1.32 0.08 0.10 29.07 00:50:00 3 51.80 0.00 1.53 0.23 0.09 46.35 Average: all 53.48 0.00 1.08 0.07 0.09 45.28 Average: 0 54.25 0.00 1.17 0.04 0.09 44.44 Average: 1 54.46 0.00 1.04 0.04 0.09 44.38 Average: 2 56.45 0.00 0.96 0.06 0.09 42.44 Average: 3 48.77 0.00 1.16 0.13 0.09 49.86