---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12160 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 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 708 9299 4 5981 14938 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:48:1f:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84621sec preferred_lft 84621sec inet6 fe80::f816:3eff:fe48:1fbc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:8f:47:c1:2c:b3 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-12160) 05/09/26 _x86_64_ (4 CPU) 02:34:52 LINUX RESTART (4 CPU) 02:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:05 14.08 0.05 11.69 2.34 0.90 935.30 47823.53 03:00:05 25.64 0.16 21.96 3.52 5.56 2129.86 21423.26 Average: 19.85 0.10 16.81 2.93 3.23 1531.17 34654.56 02:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:05 9478088 12991648 2966524 18.12 124460 3516964 3210728 18.43 692676 5803572 296 03:00:05 8917468 12889852 3064548 18.72 146992 3919540 2996932 17.20 841988 6175232 18320 Average: 9197778 12940750 3015536 18.42 135726 3718252 3103830 17.82 767332 5989402 9308 02:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:05 lo 40.86 40.86 9.80 9.80 0.00 0.00 0.00 0.00 02:50:05 ens3 11.42 9.94 12.85 3.23 0.00 0.00 0.00 0.00 02:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:05 lo 1774.30 1774.30 1673.12 1673.12 0.00 0.00 0.00 0.00 03:00:05 ens3 49.44 37.53 267.70 9.71 0.00 0.00 0.00 0.00 03:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 905.54 905.54 839.49 839.49 0.00 0.00 0.00 0.00 Average: ens3 30.38 23.70 139.97 6.46 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-12160) 05/09/26 _x86_64_ (4 CPU) 02:34:52 LINUX RESTART (4 CPU) 02:40:02 CPU %user %nice %system %iowait %steal %idle 02:50:05 all 26.28 0.00 1.13 0.18 0.08 72.32 02:50:05 0 25.69 0.00 1.07 0.26 0.08 72.90 02:50:05 1 26.97 0.00 1.17 0.13 0.08 71.65 02:50:05 2 26.45 0.00 1.20 0.20 0.08 72.07 02:50:05 3 26.03 0.00 1.10 0.13 0.08 72.66 03:00:05 all 42.99 0.00 2.15 2.04 0.10 52.72 03:00:05 0 41.91 0.00 2.26 5.79 0.09 49.94 03:00:05 1 43.27 0.00 1.89 0.91 0.10 53.82 03:00:05 2 43.13 0.00 2.05 0.71 0.10 54.01 03:00:05 3 43.65 0.00 2.41 0.75 0.09 53.09 Average: all 34.61 0.00 1.64 1.11 0.09 62.55 Average: 0 33.78 0.00 1.66 3.02 0.09 61.45 Average: 1 35.10 0.00 1.53 0.52 0.09 62.76 Average: 2 34.77 0.00 1.62 0.45 0.09 63.07 Average: 3 34.80 0.00 1.75 0.44 0.09 62.92