---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23982 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 10848 4 4450 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:26:c7:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.85/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83814sec preferred_lft 83814sec inet6 fe80::f816:3eff:fe26:c7d3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:eb:11:45:c3:3f 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-23982) 06/05/26 _x86_64_ (4 CPU) 10:31:50 LINUX RESTART (4 CPU) 10:40:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:24 1.81 0.01 1.80 0.01 0.04 37.87 0.56 11:00:24 44.40 2.54 35.08 6.78 141.47 4201.98 6340.59 11:10:00 32.40 0.33 26.12 5.96 12.52 3531.49 4382.70 Average: 26.12 0.97 20.93 4.22 51.86 2577.94 3563.87 10:40:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:24 13069240 15510252 470948 2.88 94000 2542668 1004660 5.77 297608 2678128 200 11:00:24 10356316 13820380 2137736 13.06 158808 3420288 2431736 13.96 601604 5029248 27852 11:10:00 11188592 15381616 571756 3.49 199716 4049776 1124620 6.46 812980 3888816 160 Average: 11538049 14904083 1060147 6.47 150841 3337577 1520339 8.73 570731 3865397 9404 10:40:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:24 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:50:24 ens3 5.66 4.69 41.00 0.91 0.00 0.00 0.00 0.00 10:50:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:24 lo 3746.25 3746.25 3572.20 3572.20 0.00 0.00 0.00 0.00 11:00:24 ens3 154.59 116.63 774.94 29.11 0.00 0.00 0.00 0.00 11:00:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:00 lo 2484.97 2484.97 2359.56 2359.56 0.00 0.00 0.00 0.00 11:10:00 ens3 105.01 91.00 117.98 115.55 0.00 0.00 0.00 0.00 11:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2071.68 2071.68 1972.17 1972.17 0.00 0.00 0.00 0.00 Average: ens3 88.20 70.50 313.87 47.63 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-23982) 06/05/26 _x86_64_ (4 CPU) 10:31:50 LINUX RESTART (4 CPU) 10:40:24 CPU %user %nice %system %iowait %steal %idle 10:50:24 all 0.13 0.00 0.04 0.01 0.01 99.81 10:50:24 0 0.03 0.00 0.02 0.03 0.01 99.93 10:50:24 1 0.07 0.00 0.04 0.00 0.02 99.87 10:50:24 2 0.10 0.00 0.05 0.00 0.01 99.84 10:50:24 3 0.33 0.00 0.06 0.01 0.01 99.59 11:00:24 all 60.35 0.00 3.50 0.09 0.14 35.92 11:00:24 0 58.46 0.00 3.74 0.13 0.19 37.48 11:00:24 1 61.44 0.00 3.46 0.11 0.12 34.89 11:00:24 2 60.95 0.00 3.56 0.07 0.13 35.30 11:00:24 3 60.56 0.00 3.23 0.06 0.13 36.02 11:10:00 all 41.45 0.00 2.42 0.08 0.09 55.97 11:10:00 0 41.48 0.00 2.14 0.06 0.09 56.23 11:10:00 1 37.94 0.00 2.40 0.13 0.08 59.44 11:10:00 2 44.16 0.00 2.61 0.05 0.09 53.09 11:10:00 3 42.21 0.00 2.52 0.07 0.09 55.12 Average: all 33.79 0.00 1.97 0.06 0.08 64.09 Average: 0 33.12 0.00 1.96 0.07 0.09 64.75 Average: 1 33.04 0.00 1.96 0.08 0.07 64.84 Average: 2 34.81 0.00 2.06 0.04 0.07 63.02 Average: 3 34.20 0.00 1.92 0.04 0.08 63.76