---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8639 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 680 10014 4 5294 14966 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:98:6c:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84487sec preferred_lft 84487sec inet6 fe80::f816:3eff:fe98:6c56/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:64:7a:0e:27:77 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-8639) 04/27/26 _x86_64_ (4 CPU) 18:21:29 LINUX RESTART (4 CPU) 18:30:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:13 13.49 0.01 11.24 2.24 0.23 710.99 45650.85 18:50:01 36.45 0.19 31.61 4.65 5.89 6636.76 39904.49 Average: 24.88 0.10 21.34 3.44 3.04 3650.19 42800.64 18:30:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:13 9628792 12979092 2980808 18.21 153416 3329316 3116724 17.89 672556 5674532 28 18:50:01 7588776 12672700 3276904 20.01 189392 4931996 3349324 19.23 1306152 6978224 26116 Average: 8608784 12825896 3128856 19.11 171404 4130656 3233024 18.56 989354 6326378 13072 18:30:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:13 lo 52.39 52.39 13.17 13.17 0.00 0.00 0.00 0.00 18:40:13 ens3 5.48 4.42 3.77 1.30 0.00 0.00 0.00 0.00 18:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 2248.31 2248.31 2157.35 2157.35 0.00 0.00 0.00 0.00 18:50:01 ens3 83.43 60.93 488.54 15.47 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1141.57 1141.57 1076.69 1076.69 0.00 0.00 0.00 0.00 Average: ens3 44.14 32.45 244.22 8.33 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-8639) 04/27/26 _x86_64_ (4 CPU) 18:21:29 LINUX RESTART (4 CPU) 18:30:15 CPU %user %nice %system %iowait %steal %idle 18:40:13 all 14.74 0.00 0.80 0.09 0.09 84.28 18:40:13 0 15.28 0.00 0.77 0.05 0.08 83.82 18:40:13 1 15.07 0.00 0.85 0.04 0.09 83.95 18:40:13 2 14.43 0.00 0.79 0.05 0.08 84.65 18:40:13 3 14.18 0.00 0.79 0.22 0.09 84.72 18:50:01 all 53.42 0.00 2.65 0.77 0.10 43.06 18:50:01 0 53.50 0.00 2.66 0.27 0.10 43.47 18:50:01 1 51.06 0.00 2.28 1.36 0.10 45.21 18:50:01 2 53.83 0.00 2.96 0.55 0.10 42.57 18:50:01 3 55.28 0.00 2.72 0.92 0.10 40.98 Average: all 33.89 0.00 1.72 0.43 0.09 63.87 Average: 0 34.19 0.00 1.71 0.16 0.09 63.85 Average: 1 32.90 0.00 1.56 0.69 0.09 64.75 Average: 2 33.95 0.00 1.87 0.30 0.09 63.80 Average: 3 34.53 0.00 1.74 0.57 0.09 63.07