---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30809 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: 5599.86 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 668 10506 4 4814 14978 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:31:9e:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84786sec preferred_lft 84786sec inet6 fe80::f816:3eff:fe31:9e7a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:d3:26:eb:ff:4f 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-30809) 06/26/26 _x86_64_ (4 CPU) 09:46:10 LINUX RESTART (4 CPU) 09:50:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:00 11.59 0.49 9.93 1.16 19.66 2301.78 2947.87 10:10:00 29.90 0.79 24.77 4.34 26.96 4119.29 11256.54 Average: 20.96 0.65 17.53 2.79 23.40 3232.24 7201.42 09:50:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:00 10175576 13726136 2231776 13.63 145008 3505048 2453024 14.08 626760 5158348 53756 10:10:00 10811168 15381168 569672 3.48 173236 4428124 1099060 6.31 896092 4162908 4 Average: 10493372 14553652 1400724 8.56 159122 3966586 1776042 10.19 761426 4660628 26880 09:50:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:00 lo 1.45 1.45 0.15 0.15 0.00 0.00 0.00 0.00 10:00:00 ens3 78.39 59.26 103.06 18.53 0.00 0.00 0.00 0.00 10:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:00 lo 1587.50 1587.50 1506.90 1506.90 0.00 0.00 0.00 0.00 10:10:00 ens3 102.01 83.82 410.72 85.77 0.00 0.00 0.00 0.00 10:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 813.41 813.41 771.51 771.51 0.00 0.00 0.00 0.00 Average: ens3 90.48 71.83 260.56 52.95 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-30809) 06/26/26 _x86_64_ (4 CPU) 09:46:10 LINUX RESTART (4 CPU) 09:50:28 CPU %user %nice %system %iowait %steal %idle 10:00:00 all 72.81 0.00 2.30 0.12 0.09 24.69 10:00:00 0 74.09 0.00 2.41 0.07 0.09 23.34 10:00:00 1 73.20 0.00 2.30 0.10 0.09 24.31 10:00:00 2 72.72 0.00 2.40 0.12 0.09 24.67 10:00:00 3 71.24 0.00 2.07 0.18 0.09 26.42 10:10:00 all 53.20 0.00 2.31 0.08 0.08 44.34 10:10:00 0 50.85 0.00 2.40 0.04 0.08 46.63 10:10:00 1 54.64 0.00 2.43 0.06 0.08 42.80 10:10:00 2 54.95 0.00 2.42 0.05 0.08 42.51 10:10:00 3 52.35 0.00 1.99 0.16 0.08 45.43 Average: all 62.77 0.00 2.30 0.10 0.08 34.75 Average: 0 62.19 0.00 2.40 0.05 0.08 35.27 Average: 1 63.69 0.00 2.37 0.08 0.08 33.78 Average: 2 63.62 0.00 2.41 0.08 0.08 33.80 Average: 3 61.58 0.00 2.03 0.17 0.08 36.14