---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19099 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 13G 65G 17% / 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 671 8276 4 7041 14975 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:82:68:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83745sec preferred_lft 83745sec inet6 fe80::f816:3eff:fe82:6834/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:59:0d:da:da:52 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-19099) 05/22/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:04 40.22 0.44 23.23 16.55 19.93 3148.73 253830.84 19:30:01 34.05 0.01 30.42 3.62 0.13 2628.47 39153.08 19:40:04 5.23 0.02 4.83 0.38 0.33 2817.90 51374.33 Average: 26.46 0.16 19.45 6.85 6.80 2865.32 114804.62 19:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:04 9646352 13307304 2649720 16.18 142924 3630336 2797892 16.06 705288 5606712 26804 19:30:01 9047300 13128816 2825240 17.26 163376 4000836 2896308 16.62 822460 6056984 18336 19:40:04 7974464 13060508 2890160 17.65 168948 4961816 2941064 16.88 1046132 6855980 303608 Average: 8889372 13165543 2788373 17.03 158416 4197663 2878421 16.52 857960 6173225 116249 19:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:04 lo 1465.79 1465.79 1390.73 1390.73 0.00 0.00 0.00 0.00 19:20:04 ens3 55.54 43.66 77.40 14.00 0.00 0.00 0.00 0.00 19:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1456.55 1456.55 1387.89 1387.89 0.00 0.00 0.00 0.00 19:30:01 ens3 47.04 35.52 26.85 12.16 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:04 lo 2535.74 2535.74 9252.68 9252.68 0.00 0.00 0.00 0.00 19:40:04 ens3 16.39 12.74 83.01 3.90 0.00 0.00 0.00 0.00 19:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1821.00 1821.00 4022.36 4022.36 0.00 0.00 0.00 0.00 Average: ens3 39.61 30.61 62.50 10.01 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-19099) 05/22/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:04 CPU %user %nice %system %iowait %steal %idle 19:20:04 all 69.51 0.00 2.47 0.16 0.12 27.74 19:20:04 0 70.62 0.00 2.34 0.10 0.12 26.83 19:20:04 1 68.26 0.00 2.31 0.19 0.12 29.13 19:20:04 2 72.19 0.00 2.92 0.06 0.12 24.71 19:20:04 3 66.98 0.00 2.30 0.30 0.12 30.31 19:30:01 all 65.00 0.00 2.61 0.09 0.11 32.18 19:30:01 0 63.37 0.00 2.36 0.09 0.11 34.07 19:30:01 1 67.54 0.00 2.64 0.14 0.12 29.57 19:30:01 2 64.27 0.00 2.75 0.06 0.11 32.80 19:30:01 3 64.83 0.00 2.70 0.08 0.11 32.28 19:40:04 all 32.52 0.00 1.21 0.11 0.07 66.08 19:40:04 0 32.17 0.00 0.94 0.06 0.07 66.76 19:40:04 1 29.57 0.00 1.35 0.26 0.07 68.75 19:40:04 2 34.61 0.00 1.49 0.02 0.07 63.81 19:40:04 3 33.75 0.00 1.09 0.09 0.07 65.00 Average: all 55.60 0.00 2.09 0.12 0.10 42.08 Average: 0 55.32 0.00 1.88 0.08 0.10 42.62 Average: 1 55.02 0.00 2.09 0.19 0.10 42.59 Average: 2 56.95 0.00 2.38 0.05 0.10 40.51 Average: 3 55.11 0.00 2.02 0.16 0.10 42.61