---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4921 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 12G 67G 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 704 9557 4 5727 14942 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:15:2d:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84607sec preferred_lft 84607sec inet6 fe80::f816:3eff:fe15:2d9a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:ef:ef:c3:d0:c6 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-4921) 04/20/26 _x86_64_ (4 CPU) 15:46:40 LINUX RESTART (4 CPU) 15:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:22 27.83 1.34 24.07 2.41 255.41 4527.70 11484.46 16:10:02 33.13 0.06 29.84 3.23 1.71 6253.34 15100.06 Average: 30.42 0.71 26.89 2.81 131.32 5371.76 13252.95 15:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:22 8684648 12693704 3261468 19.92 158836 3930040 3512196 20.16 813252 6439716 178796 16:10:02 8030376 13292904 2656028 16.22 185956 5091992 2934444 16.84 1086436 6751828 15952 Average: 8357512 12993304 2958748 18.07 172396 4511016 3223320 18.50 949844 6595772 97374 15:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:22 lo 942.89 942.89 898.37 898.37 0.00 0.00 0.00 0.00 16:00:22 ens3 79.68 58.03 397.48 15.53 0.00 0.00 0.00 0.00 16:00:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:02 lo 1192.73 1192.73 1136.46 1136.46 0.00 0.00 0.00 0.00 16:10:02 ens3 66.03 50.32 243.21 14.12 0.00 0.00 0.00 0.00 16:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1065.09 1065.09 1014.83 1014.83 0.00 0.00 0.00 0.00 Average: ens3 73.00 54.26 322.03 14.84 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-4921) 04/20/26 _x86_64_ (4 CPU) 15:46:40 LINUX RESTART (4 CPU) 15:50:15 CPU %user %nice %system %iowait %steal %idle 16:00:22 all 64.59 0.00 2.27 0.06 0.11 32.98 16:00:22 0 64.82 0.00 2.09 0.04 0.11 32.94 16:00:22 1 62.63 0.00 2.42 0.07 0.11 34.77 16:00:22 2 65.23 0.00 2.43 0.05 0.11 32.19 16:00:22 3 65.68 0.00 2.13 0.08 0.11 32.01 16:10:02 all 58.45 0.00 2.39 0.15 0.10 38.91 16:10:02 0 58.74 0.00 2.36 0.24 0.11 38.55 16:10:02 1 60.35 0.00 2.33 0.10 0.11 37.12 16:10:02 2 61.00 0.00 2.66 0.18 0.10 36.06 16:10:02 3 53.72 0.00 2.20 0.07 0.10 43.90 Average: all 61.59 0.00 2.33 0.10 0.11 35.88 Average: 0 61.85 0.00 2.22 0.14 0.11 35.69 Average: 1 61.51 0.00 2.38 0.08 0.11 35.92 Average: 2 63.16 0.00 2.54 0.11 0.10 34.08 Average: 3 59.83 0.00 2.17 0.08 0.10 37.82