---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52871 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 11G 68G 14% / 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 663 10520 4 4805 14983 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:5d:6a:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84056sec preferred_lft 84056sec inet6 fe80::f816:3eff:fe5d:6abf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:6a:67:1e:ba:bf 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-52871) 03/25/26 _x86_64_ (4 CPU) 21:35:33 LINUX RESTART (4 CPU) 21:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:50:03 43.95 2.24 41.11 0.60 134.30 2420.86 2346.77 22:00:03 13.83 2.05 10.89 0.89 130.95 3038.47 432.76 22:10:01 31.53 1.07 25.99 4.47 35.23 4616.56 4352.72 Average: 29.79 1.79 26.01 1.98 100.28 3355.94 2375.08 21:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:50:03 13158808 15524372 455160 2.78 97724 2460900 984748 5.65 335072 2550804 280 22:00:03 10727364 14035924 1924204 11.75 140176 3290916 2271820 13.04 579032 4675512 13100 22:10:01 10838216 15399048 552772 3.38 177232 4413660 1090532 6.26 913400 4120800 44212 Average: 11574796 14986448 977379 5.97 138377 3388492 1449033 8.32 609168 3782372 19197 21:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:50:03 lo 0.31 0.31 0.04 0.04 0.00 0.00 0.00 0.00 21:50:03 ens3 52.51 38.68 374.66 8.35 0.00 0.00 0.00 0.00 21:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:03 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 22:00:03 ens3 90.08 75.07 623.62 19.51 0.00 0.00 0.00 0.00 22:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 lo 1712.55 1712.55 1632.19 1632.19 0.00 0.00 0.00 0.00 22:10:01 ens3 91.58 70.93 428.85 23.34 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 569.28 569.28 542.14 542.14 0.00 0.00 0.00 0.00 Average: ens3 78.01 61.52 475.63 17.05 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-52871) 03/25/26 _x86_64_ (4 CPU) 21:35:33 LINUX RESTART (4 CPU) 21:40:01 CPU %user %nice %system %iowait %steal %idle 21:50:03 all 2.67 0.00 0.36 0.21 0.02 96.74 21:50:03 0 2.39 0.00 0.36 0.34 0.02 96.90 21:50:03 1 1.66 0.00 0.35 0.17 0.02 97.80 21:50:03 2 2.50 0.00 0.36 0.26 0.02 96.86 21:50:03 3 4.15 0.00 0.36 0.06 0.03 95.40 22:00:03 all 63.05 0.00 2.02 0.04 0.10 34.79 22:00:03 0 62.52 0.00 2.00 0.04 0.10 35.35 22:00:03 1 64.35 0.00 1.91 0.04 0.10 33.61 22:00:03 2 64.28 0.00 2.39 0.04 0.10 33.19 22:00:03 3 61.06 0.00 1.80 0.05 0.10 37.00 22:10:01 all 66.78 0.00 2.70 0.07 0.11 30.35 22:10:01 0 68.12 0.00 2.65 0.03 0.11 29.09 22:10:01 1 65.98 0.00 2.61 0.07 0.11 31.24 22:10:01 2 66.13 0.00 2.84 0.07 0.11 30.84 22:10:01 3 66.87 0.00 2.69 0.09 0.11 30.24 Average: all 44.04 0.00 1.69 0.10 0.08 54.09 Average: 0 44.23 0.00 1.66 0.14 0.08 53.90 Average: 1 43.89 0.00 1.62 0.09 0.07 54.32 Average: 2 44.21 0.00 1.86 0.12 0.08 53.73 Average: 3 43.84 0.00 1.61 0.07 0.08 54.40