---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26356 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 10G 68G 13% / 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 690 10918 4 4379 14956 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:a8:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84028sec preferred_lft 84028sec inet6 fe80::f816:3eff:feff:a8a4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:df:2c:67:19:45 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-26356) 06/10/26 _x86_64_ (4 CPU) 02:54:21 LINUX RESTART (4 CPU) 03:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:09 1.97 0.01 1.97 0.00 0.04 43.36 0.13 03:20:01 51.23 2.59 29.85 18.79 144.12 3714.41 249390.49 03:30:09 40.93 0.30 33.83 6.80 11.56 3884.01 5315.04 Average: 31.33 0.95 21.90 8.48 51.31 2548.03 83798.12 03:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:09 13147240 15507240 475604 2.90 92120 2463784 984928 5.65 267608 2643060 32 03:20:01 10632856 14017296 1942616 11.86 149216 3358616 2523032 14.48 553952 4806652 113044 03:30:09 11248044 15369116 584872 3.57 199648 3977792 1112648 6.39 789044 3859708 212 Average: 11676047 14964551 1001031 6.11 146995 3266731 1540203 8.84 536868 3769807 37763 03:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 03:10:09 ens3 7.83 5.35 47.65 1.02 0.00 0.00 0.00 0.00 03:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:01 lo 2941.76 2941.76 2805.54 2805.54 0.00 0.00 0.00 0.00 03:20:01 ens3 102.00 81.46 787.99 25.65 0.00 0.00 0.00 0.00 03:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:09 lo 3059.24 3059.24 2908.74 2908.74 0.00 0.00 0.00 0.00 03:30:09 ens3 99.37 84.97 116.15 100.51 0.00 0.00 0.00 0.00 03:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2000.90 2000.90 1905.23 1905.23 0.00 0.00 0.00 0.00 Average: ens3 69.72 57.28 314.23 42.73 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-26356) 06/10/26 _x86_64_ (4 CPU) 02:54:21 LINUX RESTART (4 CPU) 03:00:09 CPU %user %nice %system %iowait %steal %idle 03:10:09 all 0.27 0.00 0.05 0.01 0.01 99.66 03:10:09 0 0.10 0.00 0.04 0.00 0.01 99.85 03:10:09 1 0.11 0.00 0.03 0.02 0.01 99.82 03:10:09 2 0.10 0.00 0.08 0.00 0.01 99.81 03:10:09 3 0.78 0.00 0.03 0.02 0.01 99.15 03:20:01 all 50.25 0.00 2.87 0.12 0.12 46.65 03:20:01 0 49.53 0.00 2.61 0.21 0.11 47.55 03:20:01 1 50.23 0.00 2.87 0.08 0.12 46.71 03:20:01 2 50.70 0.00 2.83 0.07 0.12 46.28 03:20:01 3 50.56 0.00 3.16 0.11 0.11 46.06 03:30:09 all 50.18 0.00 3.17 0.15 0.13 46.36 03:30:09 0 49.73 0.00 3.30 0.25 0.13 46.58 03:30:09 1 52.07 0.00 3.33 0.08 0.13 44.39 03:30:09 2 49.22 0.00 3.03 0.09 0.13 47.53 03:30:09 3 49.72 0.00 3.03 0.18 0.12 46.95 Average: all 33.51 0.00 2.03 0.09 0.08 64.28 Average: 0 33.08 0.00 1.98 0.15 0.08 64.70 Average: 1 34.09 0.00 2.08 0.06 0.09 63.69 Average: 2 33.30 0.00 1.98 0.05 0.09 64.58 Average: 3 33.59 0.00 2.07 0.10 0.08 64.16