---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65132 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 647 8682 4 6658 14999 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:96:58:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83975sec preferred_lft 83975sec inet6 fe80::f816:3eff:fe96:5848/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:66:33:69:1a:f4 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-65132) 03/05/26 _x86_64_ (4 CPU) 14:08:06 LINUX RESTART (4 CPU) 14:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:01 23.49 3.31 18.55 1.63 558.07 3686.85 4225.91 14:30:01 22.44 0.06 19.81 2.58 6.28 2129.32 7649.25 14:40:01 27.49 0.02 24.78 2.68 0.36 4263.44 11409.12 Average: 24.48 1.13 21.05 2.30 188.39 3360.31 7760.48 14:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:01 10320872 13671152 2289940 13.99 126536 3376396 2681332 15.39 716080 4988340 19004 14:30:01 9570276 13366188 2590088 15.82 151832 3754536 2690360 15.44 865616 5511508 16604 14:40:01 6442496 11289192 4662648 28.48 166104 4746024 4638808 26.63 1163140 8310464 29784 Average: 8777881 12775511 3180892 19.43 148157 3958985 3336833 19.15 914945 6270104 21797 14:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:01 lo 664.05 664.05 633.01 633.01 0.00 0.00 0.00 0.00 14:20:01 ens3 119.99 92.96 1129.80 15.52 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 1256.07 1256.07 1190.43 1190.43 0.00 0.00 0.00 0.00 14:30:01 ens3 37.88 31.33 26.07 10.64 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 1091.70 1091.70 1080.43 1080.43 0.00 0.00 0.00 0.00 14:40:01 ens3 45.32 34.29 29.38 11.39 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 1003.77 1003.77 967.80 967.80 0.00 0.00 0.00 0.00 Average: ens3 67.75 52.88 395.39 12.52 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-65132) 03/05/26 _x86_64_ (4 CPU) 14:08:06 LINUX RESTART (4 CPU) 14:10:00 CPU %user %nice %system %iowait %steal %idle 14:20:01 all 27.50 0.00 1.34 0.13 0.06 70.97 14:20:01 0 27.64 0.00 1.35 0.09 0.05 70.88 14:20:01 1 27.16 0.00 1.54 0.07 0.06 71.17 14:20:01 2 27.19 0.00 1.27 0.15 0.06 71.33 14:20:01 3 28.00 0.00 1.20 0.23 0.05 70.52 14:30:01 all 66.73 0.00 2.26 0.15 0.10 30.77 14:30:01 0 66.74 0.00 2.19 0.09 0.10 30.89 14:30:01 1 66.00 0.00 2.35 0.18 0.10 31.37 14:30:01 2 68.15 0.00 2.48 0.25 0.10 29.02 14:30:01 3 66.01 0.00 2.01 0.07 0.09 31.82 14:40:01 all 54.54 0.00 2.19 1.59 0.10 41.58 14:40:01 0 55.50 0.00 2.54 1.28 0.10 40.58 14:40:01 1 55.25 0.00 2.19 0.28 0.10 42.17 14:40:01 2 54.10 0.00 1.96 2.09 0.10 41.75 14:40:01 3 53.30 0.00 2.08 2.71 0.10 41.81 Average: all 49.57 0.00 1.93 0.62 0.08 47.79 Average: 0 49.94 0.00 2.02 0.48 0.08 47.47 Average: 1 49.46 0.00 2.03 0.18 0.09 48.25 Average: 2 49.80 0.00 1.90 0.83 0.09 47.38 Average: 3 49.09 0.00 1.76 1.00 0.08 48.06