---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10 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 67G 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 664 10446 4 4879 14982 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:a0:41:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84275sec preferred_lft 84275sec inet6 fe80::f816:3eff:fea0:4126/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:80:de:10:29:be 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-10) 07/28/26 _x86_64_ (4 CPU) 14:38:24 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:14 8.16 0.91 7.02 0.23 37.60 1473.62 433.69 15:00:14 13.60 2.07 10.57 0.97 131.06 3002.10 2254.89 15:10:01 31.10 0.93 25.93 4.24 33.93 4750.70 2756.97 Average: 17.45 1.30 14.37 1.78 67.54 3051.55 1798.11 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:14 13066752 15533992 440908 2.69 98304 2558128 991708 5.69 336908 2647208 128 15:00:14 10059312 13489152 2469900 15.09 138608 3406008 2871848 16.48 584732 5338836 38416 15:10:01 10751480 15387276 563444 3.44 172360 4488184 1103324 6.33 908248 4195184 692 Average: 11292515 14803473 1158084 7.07 136424 3484107 1655627 9.50 609963 4060409 13079 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:14 lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 14:50:14 ens3 14.17 11.66 168.06 2.55 0.00 0.00 0.00 0.00 14:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:14 lo 1.23 1.23 0.12 0.12 0.00 0.00 0.00 0.00 15:00:14 ens3 99.44 79.53 635.62 19.38 0.00 0.00 0.00 0.00 15:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 1513.72 1513.72 1439.77 1439.77 0.00 0.00 0.00 0.00 15:10:01 ens3 103.73 82.60 448.02 78.94 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 494.11 494.11 469.56 469.56 0.00 0.00 0.00 0.00 Average: ens3 71.79 57.41 415.14 33.07 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-10) 07/28/26 _x86_64_ (4 CPU) 14:38:24 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:14 all 0.78 0.00 0.13 0.59 0.02 98.48 14:50:14 0 2.15 0.00 0.19 0.05 0.02 97.58 14:50:14 1 0.41 0.00 0.13 1.14 0.02 98.30 14:50:14 2 0.31 0.00 0.10 1.13 0.02 98.43 14:50:14 3 0.26 0.00 0.10 0.03 0.02 99.59 15:00:14 all 64.57 0.00 2.02 0.05 0.09 33.28 15:00:14 0 63.09 0.00 1.70 0.03 0.10 35.08 15:00:14 1 65.06 0.00 1.84 0.06 0.09 32.94 15:00:14 2 65.50 0.00 2.40 0.05 0.10 31.95 15:00:14 3 64.62 0.00 2.12 0.04 0.10 33.13 15:10:01 all 63.22 0.00 2.52 0.11 0.10 34.05 15:10:01 0 62.83 0.00 2.64 0.07 0.11 34.34 15:10:01 1 65.32 0.00 2.70 0.11 0.10 31.77 15:10:01 2 58.96 0.00 2.55 0.19 0.10 38.20 15:10:01 3 65.78 0.00 2.18 0.06 0.10 31.87 Average: all 42.37 0.00 1.54 0.25 0.07 55.77 Average: 0 42.23 0.00 1.49 0.05 0.08 56.14 Average: 1 43.08 0.00 1.54 0.45 0.07 54.86 Average: 2 41.12 0.00 1.67 0.47 0.07 56.67 Average: 3 43.03 0.00 1.45 0.04 0.07 55.40