---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-948 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 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 676 10488 4 4824 14970 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:ff:5f:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83813sec preferred_lft 83813sec inet6 fe80::f816:3eff:feff:5f76/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:31:84:ff:be:5c 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-948) 07/31/26 _x86_64_ (4 CPU) 19:45:26 LINUX RESTART (4 CPU) 19:50:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:00:17 2.55 0.04 2.49 0.01 2.13 41.52 0.59 20:10:05 11.96 1.97 9.37 0.62 126.63 2524.65 1101.78 20:20:17 31.13 0.76 26.94 3.44 27.38 3224.40 6272.78 Average: 15.33 0.91 13.04 1.37 51.34 1933.48 2491.11 19:50:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:00:17 13036892 15510020 464616 2.84 98756 2563384 991468 5.69 343828 2656948 200 20:10:05 10817148 14074500 1886404 11.52 127904 3259420 2191192 12.58 544868 4627092 20792 20:20:17 8875528 13105088 2847376 17.39 165360 4114048 3074576 17.65 778760 6248864 114244 Average: 10909856 14229869 1732799 10.58 130673 3312284 2085745 11.97 555819 4510968 45079 19:50:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:00:17 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 20:00:17 ens3 8.85 7.71 143.78 0.92 0.00 0.00 0.00 0.00 20:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:05 lo 0.84 0.84 0.08 0.08 0.00 0.00 0.00 0.00 20:10:05 ens3 90.69 70.00 647.23 14.75 0.00 0.00 0.00 0.00 20:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:17 lo 1570.33 1570.33 1497.24 1497.24 0.00 0.00 0.00 0.00 20:20:17 ens3 90.81 68.51 330.11 19.21 0.00 0.00 0.00 0.00 20:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 533.86 533.86 508.74 508.74 0.00 0.00 0.00 0.00 Average: ens3 63.41 48.70 371.42 11.65 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-948) 07/31/26 _x86_64_ (4 CPU) 19:45:26 LINUX RESTART (4 CPU) 19:50:16 CPU %user %nice %system %iowait %steal %idle 20:00:17 all 0.17 0.00 0.05 0.02 0.02 99.75 20:00:17 0 0.02 0.00 0.03 0.05 0.01 99.88 20:00:17 1 0.26 0.00 0.06 0.00 0.01 99.67 20:00:17 2 0.35 0.00 0.05 0.00 0.01 99.58 20:00:17 3 0.04 0.00 0.04 0.02 0.03 99.86 20:10:05 all 43.40 0.00 1.35 0.05 0.07 55.12 20:10:05 0 43.61 0.00 1.23 0.06 0.07 55.04 20:10:05 1 43.62 0.00 1.48 0.07 0.06 54.76 20:10:05 2 43.26 0.00 1.36 0.04 0.06 55.28 20:10:05 3 43.13 0.00 1.34 0.04 0.07 55.42 20:20:17 all 69.01 0.00 2.72 0.05 0.10 28.12 20:20:17 0 67.73 0.00 2.82 0.04 0.10 29.31 20:20:17 1 68.92 0.00 2.38 0.04 0.10 28.57 20:20:17 2 70.77 0.00 3.09 0.05 0.10 25.99 20:20:17 3 68.63 0.00 2.59 0.06 0.10 28.62 Average: all 37.64 0.00 1.38 0.04 0.06 60.88 Average: 0 37.23 0.00 1.37 0.05 0.06 61.29 Average: 1 37.73 0.00 1.31 0.04 0.06 60.87 Average: 2 38.24 0.00 1.51 0.03 0.06 60.16 Average: 3 37.37 0.00 1.33 0.04 0.07 61.19