---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1245 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 66G 16% / 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 638 8672 4 6677 15007 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:62:2e:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.242/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84240sec preferred_lft 84240sec inet6 fe80::f816:3eff:fe62:2eee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:92:7f:8f:53:e0 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1245) 04/08/26 _x86_64_ (4 CPU) 11:57:10 LINUX RESTART (4 CPU) 12:00:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:30 28.56 0.67 24.65 3.24 225.29 3573.80 16459.24 12:20:01 47.88 0.03 29.80 18.05 0.46 2701.51 274736.14 12:30:00 14.32 0.32 12.59 1.41 12.00 8477.95 52245.16 Average: 29.97 0.34 22.24 7.38 81.10 4947.32 111544.44 12:00:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:30 8934964 12629324 3328208 20.33 142244 3668800 3322072 19.07 758020 6276580 41772 12:20:01 8244540 12366452 3587976 21.91 161992 4046928 3518756 20.20 881472 6811600 37320 12:30:00 8901716 15378768 568248 3.47 174932 6312952 1105656 6.35 1698404 5238880 36 Average: 8693740 13458181 2494811 15.24 159723 4676227 2648828 15.20 1112632 6109020 26376 12:00:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:30 lo 1456.63 1456.63 1382.37 1382.37 0.00 0.00 0.00 0.00 12:10:30 ens3 57.18 44.82 115.51 14.59 0.00 0.00 0.00 0.00 12:10:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 1455.84 1455.84 1387.08 1387.08 0.00 0.00 0.00 0.00 12:20:01 ens3 36.19 31.62 51.35 11.38 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:00 lo 2477.63 2477.63 9303.20 9303.20 0.00 0.00 0.00 0.00 12:30:00 ens3 40.91 42.26 133.14 361.14 0.00 0.00 0.00 0.00 12:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1800.70 1800.70 4055.14 4055.14 0.00 0.00 0.00 0.00 Average: ens3 44.95 39.71 100.83 130.43 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1245) 04/08/26 _x86_64_ (4 CPU) 11:57:10 LINUX RESTART (4 CPU) 12:00:23 CPU %user %nice %system %iowait %steal %idle 12:10:30 all 69.84 0.00 2.46 0.21 0.12 27.38 12:10:30 0 71.25 0.00 2.35 0.25 0.12 26.03 12:10:30 1 69.84 0.00 2.43 0.26 0.12 27.35 12:10:30 2 69.94 0.00 2.55 0.13 0.12 27.26 12:10:30 3 68.31 0.00 2.50 0.18 0.12 28.89 12:20:01 all 63.72 0.00 2.58 0.50 0.11 33.09 12:20:01 0 63.56 0.00 2.36 0.75 0.12 33.22 12:20:01 1 65.18 0.00 2.61 0.24 0.11 31.86 12:20:01 2 64.48 0.00 2.74 0.31 0.11 32.36 12:20:01 3 61.68 0.00 2.61 0.68 0.12 34.91 12:30:00 all 34.60 0.00 1.28 0.79 0.09 63.24 12:30:00 0 39.14 0.00 1.06 1.84 0.09 57.87 12:30:00 1 32.86 0.00 0.88 0.28 0.09 65.88 12:30:00 2 42.06 0.00 1.85 0.58 0.10 55.41 12:30:00 3 24.35 0.00 1.33 0.43 0.09 73.80 Average: all 55.97 0.00 2.10 0.50 0.11 41.33 Average: 0 57.93 0.00 1.91 0.95 0.11 39.09 Average: 1 55.85 0.00 1.96 0.26 0.11 41.82 Average: 2 58.77 0.00 2.37 0.34 0.11 38.41 Average: 3 51.31 0.00 2.14 0.43 0.11 46.01