---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1566 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: 5599.94 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 660 9000 4 6328 14986 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:71:84:9e 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 84094sec preferred_lft 84094sec inet6 fe80::f816:3eff:fe71:849e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:64:bd:81:12:7f 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-1566) 04/09/26 _x86_64_ (4 CPU) 21:39:09 LINUX RESTART (4 CPU) 21:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:50:00 29.96 3.95 24.04 1.97 200.83 4686.40 2670.81 22:00:14 26.05 0.06 23.19 2.79 6.15 2371.73 7371.70 22:10:14 23.69 0.03 21.29 2.37 0.36 3932.09 8862.55 Average: 26.53 1.31 22.83 2.39 67.50 3644.55 6340.92 21:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:50:00 10509808 13695592 2266468 13.84 121552 3219116 2569488 14.75 566856 4937484 17044 22:00:14 8981844 12831076 3125332 19.09 146036 3806700 3254240 18.68 746696 6235296 202716 22:10:14 6145008 10732092 5221208 31.89 160628 4497364 5337964 30.64 990364 8785100 668 Average: 8545553 12419587 3537669 21.61 142739 3841060 3720564 21.36 767972 6652627 73476 21:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:50:00 lo 676.49 676.49 644.77 644.77 0.00 0.00 0.00 0.00 21:50:00 ens3 105.98 81.87 1109.17 15.73 0.00 0.00 0.00 0.00 21:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:14 lo 1358.98 1358.98 1289.09 1289.09 0.00 0.00 0.00 0.00 22:00:14 ens3 37.52 30.47 22.92 10.98 0.00 0.00 0.00 0.00 22:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:14 lo 1014.88 1014.88 3178.84 3178.84 0.00 0.00 0.00 0.00 22:10:14 ens3 35.75 27.47 37.49 10.14 0.00 0.00 0.00 0.00 22:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1022.37 1022.37 1709.95 1709.95 0.00 0.00 0.00 0.00 Average: ens3 59.18 46.18 380.87 12.25 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-1566) 04/09/26 _x86_64_ (4 CPU) 21:39:09 LINUX RESTART (4 CPU) 21:40:15 CPU %user %nice %system %iowait %steal %idle 21:50:00 all 29.53 0.00 1.42 0.72 0.05 68.28 21:50:00 0 29.95 0.00 1.38 0.21 0.04 68.42 21:50:00 1 29.56 0.00 1.35 2.06 0.05 66.98 21:50:00 2 29.67 0.00 1.46 0.28 0.05 68.54 21:50:00 3 28.96 0.00 1.47 0.33 0.06 69.18 22:00:14 all 67.06 0.00 2.24 0.06 0.08 30.55 22:00:14 0 68.10 0.00 2.37 0.07 0.08 29.38 22:00:14 1 65.57 0.00 2.20 0.05 0.08 32.10 22:00:14 2 67.47 0.00 2.02 0.03 0.08 30.40 22:00:14 3 67.12 0.00 2.38 0.10 0.09 30.31 22:10:14 all 53.20 0.00 1.95 0.10 0.08 44.67 22:10:14 0 48.52 0.00 2.04 0.07 0.08 49.30 22:10:14 1 56.05 0.00 1.84 0.21 0.08 41.82 22:10:14 2 55.47 0.00 2.02 0.08 0.08 42.34 22:10:14 3 52.76 0.00 1.90 0.04 0.08 45.22 Average: all 50.23 0.00 1.88 0.29 0.07 47.53 Average: 0 49.16 0.00 1.94 0.12 0.07 48.72 Average: 1 50.69 0.00 1.80 0.76 0.07 46.68 Average: 2 51.17 0.00 1.84 0.13 0.07 46.79 Average: 3 49.92 0.00 1.92 0.16 0.07 47.93