---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-638 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 68G 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 10473 4 4819 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:a4:72:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84352sec preferred_lft 84352sec inet6 fe80::f816:3eff:fea4:7208/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:27:72:53:f9:11 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-638) 07/30/26 _x86_64_ (4 CPU) 16:13:46 LINUX RESTART (4 CPU) 16:20:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:30:05 11.20 1.93 8.69 0.58 124.20 2450.56 816.72 16:40:05 22.88 0.78 19.29 2.81 28.01 3222.41 3556.19 Average: 17.04 1.36 13.99 1.69 76.11 2836.49 2186.45 16:20:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:30:05 10810392 14053932 1906676 11.65 126812 3246912 2338148 13.42 538004 4647788 22448 16:40:05 9141176 13252260 2699992 16.49 164168 4000656 2769836 15.90 763756 5995540 10264 Average: 9975784 13653096 2303334 14.07 145490 3623784 2553992 14.66 650880 5321664 16356 16:20:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:30:05 lo 0.79 0.79 0.08 0.08 0.00 0.00 0.00 0.00 16:30:05 ens3 77.73 63.70 666.65 13.78 0.00 0.00 0.00 0.00 16:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:05 lo 1251.63 1251.63 1192.65 1192.65 0.00 0.00 0.00 0.00 16:40:05 ens3 83.28 61.42 329.54 17.66 0.00 0.00 0.00 0.00 16:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 626.21 626.21 596.37 596.37 0.00 0.00 0.00 0.00 Average: ens3 80.50 62.56 498.10 15.72 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-638) 07/30/26 _x86_64_ (4 CPU) 16:13:46 LINUX RESTART (4 CPU) 16:20:05 CPU %user %nice %system %iowait %steal %idle 16:30:05 all 42.12 0.00 1.33 0.05 0.07 56.44 16:30:05 0 41.98 0.00 1.33 0.07 0.07 56.55 16:30:05 1 41.30 0.00 1.40 0.10 0.07 57.14 16:30:05 2 42.95 0.00 1.23 0.01 0.07 55.74 16:30:05 3 42.24 0.00 1.34 0.03 0.07 56.33 16:40:05 all 69.43 0.00 2.64 0.05 0.11 27.77 16:40:05 0 67.91 0.00 2.58 0.04 0.11 29.36 16:40:05 1 70.08 0.00 2.59 0.07 0.11 27.15 16:40:05 2 71.20 0.00 2.68 0.04 0.10 25.97 16:40:05 3 68.54 0.00 2.70 0.05 0.11 28.61 Average: all 55.76 0.00 1.98 0.05 0.09 42.12 Average: 0 54.94 0.00 1.96 0.05 0.09 42.96 Average: 1 55.68 0.00 2.00 0.08 0.09 42.15 Average: 2 57.03 0.00 1.96 0.03 0.09 40.90 Average: 3 55.38 0.00 2.02 0.04 0.09 42.48