---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6727 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: 5600.00 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 672 10593 4 4723 14974 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:55:52:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83961sec preferred_lft 83961sec inet6 fe80::f816:3eff:fe55:5265/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:80:d5:c0:97:f0 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-6727) 04/22/26 _x86_64_ (4 CPU) 12:07:59 LINUX RESTART (4 CPU) 12:10:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:01 32.12 2.35 29.14 0.63 139.94 2464.71 1312.33 12:30:19 11.36 1.87 8.97 0.52 120.61 2347.32 1165.88 12:40:17 19.03 0.78 16.14 2.12 28.13 3070.95 6271.96 Average: 20.59 1.66 17.84 1.09 95.95 2626.57 2917.27 12:10:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:01 13143440 15524052 455704 2.78 96088 2477912 981952 5.64 333908 2579176 284 12:30:19 11011068 14159296 1802452 11.01 126344 3160888 2436580 13.99 531932 4463248 30432 12:40:17 9317420 13318092 2635520 16.10 163284 3901680 2815800 16.16 751600 5839472 16264 Average: 11157309 14333813 1631225 9.96 128572 3180160 2078111 11.93 539147 4293965 15660 12:10:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:01 lo 0.29 0.29 0.04 0.04 0.00 0.00 0.00 0.00 12:20:01 ens3 48.69 33.21 353.67 7.78 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:19 lo 0.76 0.76 0.08 0.08 0.00 0.00 0.00 0.00 12:30:19 ens3 85.52 67.32 630.14 14.74 0.00 0.00 0.00 0.00 12:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:17 lo 811.58 811.58 772.62 772.62 0.00 0.00 0.00 0.00 12:40:17 ens3 79.82 56.91 326.11 16.94 0.00 0.00 0.00 0.00 12:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 271.25 271.25 257.93 257.93 0.00 0.00 0.00 0.00 Average: ens3 71.79 52.89 439.85 13.24 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-6727) 04/22/26 _x86_64_ (4 CPU) 12:07:59 LINUX RESTART (4 CPU) 12:10:25 CPU %user %nice %system %iowait %steal %idle 12:20:01 all 2.71 0.00 0.34 0.28 0.02 96.64 12:20:01 0 2.56 0.00 0.31 0.10 0.02 97.01 12:20:01 1 1.46 0.00 0.23 0.13 0.02 98.16 12:20:01 2 4.21 0.00 0.46 0.60 0.02 94.71 12:20:01 3 2.63 0.00 0.37 0.30 0.02 96.69 12:30:19 all 40.41 0.00 1.28 0.05 0.08 58.18 12:30:19 0 40.90 0.00 1.26 0.03 0.08 57.73 12:30:19 1 40.62 0.00 1.32 0.06 0.08 57.93 12:30:19 2 40.16 0.00 1.37 0.08 0.08 58.31 12:30:19 3 39.96 0.00 1.18 0.01 0.07 58.77 12:40:17 all 68.93 0.00 2.46 0.61 0.12 27.88 12:40:17 0 69.95 0.00 2.46 0.47 0.12 27.00 12:40:17 1 69.89 0.00 2.39 0.10 0.11 27.51 12:40:17 2 67.20 0.00 2.51 0.09 0.12 30.08 12:40:17 3 68.68 0.00 2.48 1.79 0.12 26.93 Average: all 37.80 0.00 1.37 0.31 0.07 60.44 Average: 0 38.25 0.00 1.36 0.20 0.07 60.13 Average: 1 37.81 0.00 1.33 0.10 0.07 60.70 Average: 2 37.61 0.00 1.46 0.25 0.07 60.60 Average: 3 37.53 0.00 1.35 0.70 0.07 60.35