---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-122077 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 9.8G 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 608 11111 4 4269 15038 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:e8:fe:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.108/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84222sec preferred_lft 84222sec inet6 fe80::f816:3eff:fee8:fe91/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:8f:c3:38:a0:68 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-122077) 03/06/26 _x86_64_ (4 CPU) 12:19:16 LINUX RESTART (4 CPU) 12:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:01 11.09 6.23 4.55 0.31 1521.97 1179.45 3329.05 12:40:04 29.48 2.16 26.74 0.58 126.34 2130.92 1193.92 12:50:04 14.17 2.05 11.22 0.91 130.92 3007.83 502.47 Average: 18.26 3.48 14.19 0.60 592.88 2105.48 1675.42 12:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:01 13566800 15524372 491564 3.00 57748 2124976 1145032 6.57 339856 2207220 8 12:40:04 13016660 15537348 441280 2.70 99736 2613652 988316 5.67 477004 2569856 376 12:50:04 10390296 13875320 2083908 12.73 140832 3465808 2439772 14.00 724328 4871020 39048 Average: 12324585 14979013 1005584 6.14 99439 2734812 1524373 8.75 513729 3216032 13144 12:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:01 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 12:30:01 ens3 33.85 20.68 163.78 2.76 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:04 lo 0.27 0.27 0.03 0.03 0.00 0.00 0.00 0.00 12:40:04 ens3 43.88 32.30 353.29 7.24 0.00 0.00 0.00 0.00 12:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:04 lo 1.28 1.28 0.13 0.13 0.00 0.00 0.00 0.00 12:50:04 ens3 89.56 71.48 623.43 18.52 0.00 0.00 0.00 0.00 12:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.56 0.56 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 55.73 41.46 379.97 9.50 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-122077) 03/06/26 _x86_64_ (4 CPU) 12:19:16 LINUX RESTART (4 CPU) 12:20:00 CPU %user %nice %system %iowait %steal %idle 12:30:01 all 0.68 0.00 0.18 0.35 0.02 98.76 12:30:01 0 0.53 0.00 0.19 0.46 0.01 98.80 12:30:01 1 0.76 0.00 0.18 0.21 0.03 98.83 12:30:01 2 0.64 0.00 0.19 0.28 0.02 98.87 12:30:01 3 0.80 0.00 0.17 0.46 0.02 98.56 12:40:04 all 2.52 0.00 0.34 0.33 0.03 96.78 12:40:04 0 5.25 0.00 0.44 0.12 0.02 94.18 12:40:04 1 1.95 0.00 0.30 0.06 0.03 97.66 12:40:04 2 1.59 0.00 0.36 0.51 0.02 97.52 12:40:04 3 1.30 0.00 0.26 0.63 0.02 97.78 12:50:04 all 67.66 0.00 2.24 0.05 0.14 29.90 12:50:04 0 69.36 0.00 2.33 0.03 0.14 28.13 12:50:04 1 69.34 0.00 2.34 0.04 0.14 28.15 12:50:04 2 65.20 0.00 1.98 0.07 0.14 32.61 12:50:04 3 66.74 0.00 2.32 0.08 0.14 30.72 Average: all 23.54 0.00 0.92 0.25 0.06 75.23 Average: 0 24.96 0.00 0.98 0.20 0.06 73.79 Average: 1 23.94 0.00 0.94 0.10 0.07 74.96 Average: 2 22.40 0.00 0.84 0.29 0.06 76.41 Average: 3 22.86 0.00 0.92 0.39 0.06 75.77