---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1528 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 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 666 8748 4 6574 14980 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:28:28:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84470sec preferred_lft 84470sec inet6 fe80::f816:3eff:fe28:289d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:55:21:8c:5d:5c 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-1528) 04/09/26 _x86_64_ (4 CPU) 14:09:11 LINUX RESTART (4 CPU) 14:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:00 73.44 17.05 53.02 3.37 808.46 6192.35 10195.69 14:30:00 24.90 0.01 22.43 2.45 0.20 2213.47 16581.14 14:40:01 18.13 0.03 16.62 1.47 0.41 5584.68 8455.14 Average: 38.79 5.69 30.67 2.43 269.13 4661.91 11745.60 14:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:00 9825008 13467240 2491000 15.21 136260 3625332 2804428 16.10 810808 5353752 21892 14:30:00 8452968 12675536 3278784 20.03 155792 4144716 3322440 19.07 947120 6541604 198520 14:40:01 6943200 13177420 2769556 16.92 175048 6068024 2772928 15.92 1707788 7204852 733968 Average: 8407059 13106732 2846447 17.38 155700 4612691 2966599 17.03 1155239 6366736 318127 14:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:00 lo 1428.45 1428.45 1354.90 1354.90 0.00 0.00 0.00 0.00 14:20:00 ens3 117.68 87.97 1217.01 15.70 0.00 0.00 0.00 0.00 14:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:00 lo 1119.88 1119.88 1066.59 1066.59 0.00 0.00 0.00 0.00 14:30:00 ens3 21.15 19.36 17.67 6.29 0.00 0.00 0.00 0.00 14:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 776.82 776.82 7346.57 7346.57 0.00 0.00 0.00 0.00 14:40:01 ens3 33.80 29.02 114.49 7.81 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1108.05 1108.05 3258.00 3258.00 0.00 0.00 0.00 0.00 Average: ens3 57.48 45.41 448.92 9.93 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-1528) 04/09/26 _x86_64_ (4 CPU) 14:09:11 LINUX RESTART (4 CPU) 14:10:01 CPU %user %nice %system %iowait %steal %idle 14:20:00 all 64.25 0.08 2.91 0.34 0.19 32.23 14:20:00 0 62.06 0.14 2.87 0.29 0.18 34.45 14:20:00 1 65.95 0.09 3.20 0.52 0.19 30.05 14:20:00 2 66.39 0.04 2.75 0.12 0.19 30.51 14:20:00 3 62.62 0.03 2.81 0.45 0.19 33.91 14:30:00 all 68.26 0.00 2.34 0.04 0.13 29.22 14:30:00 0 67.91 0.00 2.46 0.05 0.13 29.45 14:30:00 1 70.26 0.00 2.68 0.04 0.13 26.89 14:30:00 2 68.12 0.00 2.13 0.04 0.13 29.58 14:30:00 3 66.76 0.00 2.11 0.04 0.13 30.95 14:40:01 all 45.55 0.00 1.67 0.12 0.10 52.56 14:40:01 0 38.22 0.00 1.88 0.09 0.10 59.71 14:40:01 1 48.44 0.00 1.47 0.08 0.10 49.92 14:40:01 2 42.34 0.00 1.79 0.11 0.10 55.66 14:40:01 3 53.23 0.00 1.55 0.20 0.11 44.92 Average: all 59.34 0.03 2.31 0.17 0.14 38.02 Average: 0 56.03 0.05 2.40 0.15 0.14 41.23 Average: 1 61.54 0.03 2.45 0.21 0.14 35.63 Average: 2 58.94 0.01 2.22 0.09 0.14 38.59 Average: 3 60.87 0.01 2.15 0.23 0.14 36.60