---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-466546 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 9.3G 69G 12% / 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 674 11669 4 3645 14972 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:c4:38:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83024sec preferred_lft 83024sec inet6 fe80::f816:3eff:fec4:3811/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:fd:3e:ec:a3:48 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-466546) 03/13/26 _x86_64_ (4 CPU) 22:48:03 LINUX RESTART (4 CPU) 22:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:01 16.72 0.42 3.32 12.97 401.47 403.87 245865.27 23:10:08 1.34 0.00 1.34 0.00 0.04 15.50 0.00 23:20:01 1.19 0.00 1.19 0.00 0.01 13.49 0.00 23:30:01 1.22 0.00 1.22 0.00 0.00 14.18 0.00 23:40:09 1.26 0.00 1.26 0.00 0.00 14.81 0.00 Average: 4.34 0.09 1.67 2.59 80.09 92.17 49043.60 22:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:01 13559224 15521328 494648 3.02 57752 2129620 1133340 6.51 334704 2225840 272 23:10:08 13559168 15521740 494256 3.02 58164 2129632 1133404 6.51 335120 2227620 228 23:20:01 13558916 15521872 494280 3.02 58536 2129636 1133404 6.51 335488 2227304 204 23:30:01 13559620 15522996 493204 3.01 58928 2129648 1133404 6.51 335896 2228808 188 23:40:09 13558980 15522768 493456 3.01 59272 2129720 1133660 6.51 336224 2235208 52 Average: 13559182 15522141 493969 3.02 58530 2129651 1133442 6.51 335486 2228956 189 22:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:01 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 23:00:01 ens3 11.88 8.28 129.42 0.58 0.00 0.00 0.00 0.00 23:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:08 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 23:10:08 ens3 0.49 0.13 0.09 0.05 0.00 0.00 0.00 0.00 23:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:01 lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 23:20:01 ens3 0.31 0.07 0.05 0.02 0.00 0.00 0.00 0.00 23:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:30:01 ens3 0.42 0.11 0.07 0.03 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 23:40:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:40:09 ens3 0.53 0.33 0.09 0.52 0.00 0.00 0.00 0.00 23:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 2.72 1.78 25.87 0.24 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-466546) 03/13/26 _x86_64_ (4 CPU) 22:48:03 LINUX RESTART (4 CPU) 22:50:01 CPU %user %nice %system %iowait %steal %idle 23:00:01 all 0.40 0.00 0.10 0.11 0.02 99.37 23:00:01 0 0.31 0.00 0.09 0.06 0.02 99.52 23:00:01 1 0.39 0.00 0.08 0.06 0.01 99.47 23:00:01 2 0.59 0.00 0.14 0.27 0.04 98.96 23:00:01 3 0.33 0.00 0.09 0.06 0.02 99.51 23:10:08 all 0.17 0.00 0.02 0.02 0.02 99.78 23:10:08 0 0.30 0.00 0.00 0.00 0.01 99.68 23:10:08 1 0.12 0.00 0.02 0.02 0.03 99.81 23:10:08 2 0.23 0.00 0.02 0.06 0.02 99.67 23:10:08 3 0.02 0.00 0.01 0.00 0.02 99.95 23:20:01 all 0.12 0.00 0.02 0.01 0.02 99.83 23:20:01 0 0.01 0.00 0.01 0.01 0.01 99.97 23:20:01 1 0.01 0.00 0.01 0.00 0.01 99.96 23:20:01 2 0.44 0.00 0.04 0.04 0.03 99.45 23:20:01 3 0.02 0.00 0.03 0.00 0.03 99.92 23:30:01 all 0.24 0.00 0.02 0.01 0.02 99.71 23:30:01 0 0.01 0.00 0.01 0.00 0.01 99.97 23:30:01 1 0.05 0.00 0.02 0.00 0.01 99.92 23:30:01 2 0.89 0.00 0.04 0.04 0.04 98.99 23:30:01 3 0.01 0.00 0.02 0.00 0.01 99.96 23:40:09 all 0.20 0.00 0.02 0.01 0.02 99.75 23:40:09 0 0.01 0.00 0.01 0.00 0.01 99.97 23:40:09 1 0.05 0.00 0.02 0.00 0.02 99.90 23:40:09 2 0.61 0.00 0.04 0.02 0.04 99.28 23:40:09 3 0.13 0.00 0.02 0.01 0.01 99.84 Average: all 0.23 0.00 0.04 0.03 0.02 99.69 Average: 0 0.13 0.00 0.02 0.01 0.01 99.82 Average: 1 0.12 0.00 0.03 0.02 0.02 99.81 Average: 2 0.55 0.00 0.06 0.09 0.03 99.27 Average: 3 0.10 0.00 0.03 0.01 0.02 99.84