---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1578 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: 5600.00 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 12G 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 639 9014 4 6335 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:89:3b:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84325sec preferred_lft 84325sec inet6 fe80::f816:3eff:fe89:3bb5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:ee:57:b4:4b:87 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-1578) 04/09/26 _x86_64_ (4 CPU) 22:56:51 LINUX RESTART (4 CPU) 23:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:10:10 30.31 2.95 24.36 3.01 160.12 4053.86 4398.31 23:20:10 47.12 0.02 30.03 17.07 0.37 2557.96 250038.70 23:30:01 12.88 0.31 11.16 1.40 11.86 7892.91 41603.21 Average: 30.19 1.11 21.91 7.17 58.20 4815.86 98482.41 23:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:10:10 9546156 13038032 2921040 17.84 135080 3482776 3041452 17.46 673908 5775468 23156 23:20:10 9321808 13250576 2704700 16.52 160272 3861772 2786304 15.99 797336 5814472 31012 23:30:01 9266216 15393176 554748 3.39 175544 5972412 1098360 6.30 1556796 5038848 236 Average: 9378060 13893928 2060163 12.58 156965 4438987 2308705 13.25 1009347 5542929 18135 23:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:10:10 lo 1534.41 1534.41 1456.29 1456.29 0.00 0.00 0.00 0.00 23:10:10 ens3 115.84 91.62 922.41 19.89 0.00 0.00 0.00 0.00 23:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:10 lo 1521.31 1521.31 1449.81 1449.81 0.00 0.00 0.00 0.00 23:20:10 ens3 42.58 34.09 36.55 11.93 0.00 0.00 0.00 0.00 23:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:01 lo 258.22 258.22 6944.19 6944.19 0.00 0.00 0.00 0.00 23:30:01 ens3 80.17 89.24 117.25 971.95 0.00 0.00 0.00 0.00 23:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1111.01 1111.01 3256.09 3256.09 0.00 0.00 0.00 0.00 Average: ens3 79.71 71.67 362.79 329.85 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-1578) 04/09/26 _x86_64_ (4 CPU) 22:56:51 LINUX RESTART (4 CPU) 23:00:01 CPU %user %nice %system %iowait %steal %idle 23:10:10 all 65.87 0.00 2.48 0.08 0.08 31.49 23:10:10 0 66.48 0.00 2.84 0.07 0.08 30.53 23:10:10 1 66.45 0.00 2.24 0.05 0.08 31.18 23:10:10 2 64.98 0.00 2.44 0.10 0.08 32.40 23:10:10 3 65.57 0.00 2.39 0.10 0.08 31.86 23:20:10 all 62.90 0.00 2.45 0.09 0.08 34.48 23:20:10 0 62.48 0.00 2.42 0.13 0.08 34.89 23:20:10 1 61.78 0.00 2.51 0.07 0.08 35.55 23:20:10 2 63.82 0.00 2.51 0.08 0.08 33.50 23:20:10 3 63.51 0.00 2.35 0.09 0.08 33.97 23:30:01 all 33.41 0.00 1.05 0.13 0.07 65.34 23:30:01 0 32.12 0.00 1.26 0.22 0.08 66.32 23:30:01 1 23.62 0.00 0.92 0.09 0.07 75.30 23:30:01 2 41.49 0.00 0.99 0.12 0.07 57.32 23:30:01 3 36.47 0.00 1.01 0.09 0.07 62.35 Average: all 54.19 0.00 2.00 0.10 0.08 43.63 Average: 0 53.85 0.00 2.18 0.14 0.08 43.75 Average: 1 50.75 0.00 1.90 0.07 0.08 47.21 Average: 2 56.87 0.00 1.99 0.10 0.08 40.97 Average: 3 55.32 0.00 1.92 0.09 0.08 42.59