---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15682 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 730 9898 4 5360 14916 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:d4:2e:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84769sec preferred_lft 84769sec inet6 fe80::f816:3eff:fed4:2e99/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:4c:d7:ca:f7:0a 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-15682) 05/16/26 _x86_64_ (4 CPU) 02:46:13 LINUX RESTART (4 CPU) 02:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:02 29.90 0.60 26.46 2.85 20.88 3970.09 14897.25 03:10:03 26.73 0.06 23.89 2.79 1.69 5932.73 11251.23 Average: 28.32 0.33 25.17 2.82 11.29 4951.17 13074.68 02:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:02 9566176 13384220 2571076 15.70 153708 3756808 2738056 15.72 736908 5643240 18848 03:10:03 8004932 13232072 2717024 16.59 184172 5065668 2866828 16.46 1041076 6824528 29252 Average: 8785554 13308146 2644050 16.15 168940 4411238 2802442 16.09 888992 6233884 24050 02:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:02 lo 1322.35 1322.35 1260.62 1260.62 0.00 0.00 0.00 0.00 03:00:02 ens3 55.22 40.35 408.50 10.12 0.00 0.00 0.00 0.00 03:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:03 lo 883.39 883.39 841.35 841.35 0.00 0.00 0.00 0.00 03:10:03 ens3 40.79 31.81 228.68 8.06 0.00 0.00 0.00 0.00 03:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1102.92 1102.92 1051.04 1051.04 0.00 0.00 0.00 0.00 Average: ens3 48.01 36.08 318.61 9.09 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-15682) 05/16/26 _x86_64_ (4 CPU) 02:46:13 LINUX RESTART (4 CPU) 02:50:01 CPU %user %nice %system %iowait %steal %idle 03:00:02 all 65.08 0.00 2.40 0.38 0.12 32.02 03:00:02 0 65.29 0.00 2.22 0.22 0.11 32.16 03:00:02 1 65.44 0.00 2.29 0.36 0.13 31.78 03:00:02 2 65.57 0.00 2.78 0.19 0.12 31.34 03:00:02 3 64.00 0.00 2.32 0.75 0.11 32.81 03:10:03 all 58.04 0.00 2.14 0.24 0.11 39.47 03:10:03 0 56.45 0.00 2.06 0.11 0.12 41.26 03:10:03 1 56.92 0.00 1.96 0.16 0.11 40.85 03:10:03 2 57.74 0.00 2.21 0.34 0.11 39.60 03:10:03 3 61.04 0.00 2.33 0.35 0.12 36.17 Average: all 61.55 0.00 2.27 0.31 0.11 35.75 Average: 0 60.87 0.00 2.14 0.16 0.12 36.72 Average: 1 61.18 0.00 2.13 0.26 0.12 36.32 Average: 2 61.65 0.00 2.50 0.27 0.11 35.47 Average: 3 62.52 0.00 2.32 0.55 0.11 34.49