---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32522 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: 5599.94 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 15% / 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 696 9205 4 6087 14950 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:5d:61:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84558sec preferred_lft 84558sec inet6 fe80::f816:3eff:fe5d:6161/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:ac:a0:f5:bb:6f 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-32522) 07/03/26 _x86_64_ (4 CPU) 01:07:41 LINUX RESTART (4 CPU) 01:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:12 40.12 2.77 20.82 16.53 353.56 3878.28 268303.72 01:30:00 21.04 0.16 18.05 2.82 4.98 1680.04 23319.49 Average: 30.67 1.48 19.45 9.74 180.97 2789.86 147004.01 01:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:12 9564400 13222984 2735176 16.71 132728 3638552 3051112 17.51 745808 5666440 28564 01:30:00 9133056 13228348 2726500 16.65 153384 4025432 3178472 18.24 869616 5934680 99156 Average: 9348728 13225666 2730838 16.68 143056 3831992 3114792 17.88 807712 5800560 63860 01:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:12 lo 19.37 19.37 4.18 4.18 0.00 0.00 0.00 0.00 01:20:12 ens3 83.20 66.94 691.92 12.45 0.00 0.00 0.00 0.00 01:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:00 lo 1209.61 1209.61 1121.34 1121.34 0.00 0.00 0.00 0.00 01:30:00 ens3 39.69 30.27 269.44 6.79 0.00 0.00 0.00 0.00 01:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 608.70 608.70 557.32 557.32 0.00 0.00 0.00 0.00 Average: ens3 61.65 48.78 482.74 9.64 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-32522) 07/03/26 _x86_64_ (4 CPU) 01:07:41 LINUX RESTART (4 CPU) 01:10:12 CPU %user %nice %system %iowait %steal %idle 01:20:12 all 39.47 0.00 1.39 0.14 0.08 58.92 01:20:12 0 39.56 0.00 1.39 0.10 0.08 58.87 01:20:12 1 39.35 0.00 1.55 0.16 0.08 58.86 01:20:12 2 39.49 0.00 1.40 0.18 0.08 58.84 01:20:12 3 39.49 0.00 1.22 0.11 0.08 59.10 01:30:00 all 25.69 0.00 1.43 0.06 0.08 72.74 01:30:00 0 25.04 0.00 1.24 0.05 0.08 73.59 01:30:00 1 25.76 0.00 1.27 0.13 0.08 72.76 01:30:00 2 25.32 0.00 1.61 0.03 0.09 72.95 01:30:00 3 26.65 0.00 1.59 0.02 0.08 71.66 Average: all 32.65 0.00 1.41 0.10 0.08 65.76 Average: 0 32.37 0.00 1.32 0.08 0.08 66.16 Average: 1 32.62 0.00 1.41 0.14 0.08 65.74 Average: 2 32.47 0.00 1.51 0.11 0.08 65.83 Average: 3 33.13 0.00 1.40 0.07 0.08 65.32