---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6422 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 10G 68G 13% / 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 10959 4 4390 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:fc:57:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84403sec preferred_lft 84403sec inet6 fe80::f816:3eff:fefc:57b5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:1e:26:84:a0:7d 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-6422) 03/20/26 _x86_64_ (4 CPU) 13:49:02 LINUX RESTART (4 CPU) 13:50:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:28 4.14 0.10 3.76 0.27 3.99 263.84 256.07 14:10:01 35.99 4.59 30.65 0.74 276.67 3643.72 1425.90 14:20:16 31.77 0.72 26.03 5.02 25.27 4943.23 7532.14 Average: 23.85 1.75 20.04 2.06 98.67 2956.88 3134.66 13:50:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:28 13670704 15512164 504420 3.08 57212 2010160 1126228 6.46 225256 2218772 16 14:10:01 11478096 14324532 1639780 10.02 114860 2908732 2062116 11.84 479144 4092972 20704 14:20:16 11239796 15377464 578924 3.54 150480 4094480 1083324 6.22 897764 3821744 232 Average: 12129532 15071387 907708 5.54 107517 3004457 1423889 8.17 534055 3377829 6984 13:50:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:28 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 14:00:28 ens3 4.97 2.00 83.19 0.22 0.00 0.00 0.00 0.00 14:00:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:01 lo 0.50 0.50 0.06 0.06 0.00 0.00 0.00 0.00 14:10:01 ens3 103.18 78.08 859.78 16.34 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:16 lo 2165.11 2165.11 2060.02 2060.02 0.00 0.00 0.00 0.00 14:20:16 ens3 81.76 68.58 397.04 65.51 0.00 0.00 0.00 0.00 14:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 745.26 745.26 708.91 708.91 0.00 0.00 0.00 0.00 Average: ens3 62.85 49.28 439.98 27.85 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-6422) 03/20/26 _x86_64_ (4 CPU) 13:49:02 LINUX RESTART (4 CPU) 13:50:28 CPU %user %nice %system %iowait %steal %idle 14:00:28 all 0.29 0.00 0.15 0.50 0.02 99.03 14:00:28 0 0.28 0.00 0.10 0.19 0.02 99.41 14:00:28 1 0.32 0.00 0.14 0.11 0.02 99.41 14:00:28 2 0.31 0.00 0.11 1.26 0.03 98.29 14:00:28 3 0.26 0.00 0.27 0.45 0.02 99.02 14:10:01 all 15.80 0.00 0.87 0.32 0.06 82.96 14:10:01 0 16.04 0.00 0.63 0.15 0.05 83.13 14:10:01 1 15.81 0.00 0.94 0.43 0.06 82.75 14:10:01 2 16.35 0.00 1.11 0.54 0.06 81.94 14:10:01 3 14.99 0.00 0.80 0.15 0.05 84.01 14:20:16 all 54.47 0.00 2.76 0.21 0.12 42.44 14:20:16 0 53.83 0.00 2.56 0.18 0.12 43.31 14:20:16 1 52.98 0.00 2.83 0.16 0.12 43.90 14:20:16 2 54.57 0.00 2.58 0.07 0.12 42.66 14:20:16 3 56.49 0.00 3.06 0.44 0.12 39.88 Average: all 23.88 0.00 1.28 0.34 0.07 74.43 Average: 0 23.75 0.00 1.12 0.17 0.06 74.89 Average: 1 23.36 0.00 1.32 0.23 0.07 75.02 Average: 2 24.10 0.00 1.28 0.62 0.07 73.93 Average: 3 24.30 0.00 1.40 0.35 0.06 73.89