---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1767 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 625 11073 4 4290 15021 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:20:18:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84745sec preferred_lft 84745sec inet6 fe80::f816:3eff:fe20:18aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:e5:d1:c0:05:e8 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1767) 08/03/26 _x86_64_ (4 CPU) 10:18:24 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:14 10.29 1.11 8.73 0.45 238.99 1823.45 421.28 10:40:14 13.75 2.03 10.76 0.96 130.48 2989.73 2566.17 Average: 12.00 1.57 9.73 0.70 185.27 2400.88 1483.23 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:14 12912484 15517088 455436 2.78 100600 2691768 1010560 5.80 404120 2723724 64 10:40:14 10342248 13894464 2064120 12.61 141508 3522936 2392428 13.73 643036 4997892 25028 Average: 11627366 14705776 1259778 7.69 121054 3107352 1701494 9.77 523578 3860808 12546 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:14 lo 0.24 0.24 0.02 0.02 0.00 0.00 0.00 0.00 10:30:14 ens3 30.95 25.06 381.82 3.70 0.00 0.00 0.00 0.00 10:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:14 lo 1.23 1.23 0.12 0.12 0.00 0.00 0.00 0.00 10:40:14 ens3 109.16 86.72 607.19 20.83 0.00 0.00 0.00 0.00 10:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 69.68 55.59 493.40 12.18 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1767) 08/03/26 _x86_64_ (4 CPU) 10:18:24 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:14 all 1.29 0.00 0.18 0.30 0.06 98.17 10:30:14 0 0.59 0.00 0.20 0.14 0.03 99.04 10:30:14 1 1.68 0.00 0.19 0.04 0.01 98.08 10:30:14 2 2.26 0.00 0.19 1.01 0.17 96.37 10:30:14 3 0.65 0.00 0.14 0.02 0.01 99.18 10:40:14 all 63.65 0.00 2.06 0.04 0.09 34.16 10:40:14 0 63.69 0.00 2.05 0.05 0.09 34.12 10:40:14 1 63.20 0.00 1.97 0.02 0.09 34.72 10:40:14 2 64.54 0.00 2.10 0.02 0.09 33.25 10:40:14 3 63.17 0.00 2.13 0.07 0.09 34.54 Average: all 32.11 0.00 1.11 0.17 0.07 66.53 Average: 0 31.80 0.00 1.11 0.10 0.06 66.93 Average: 1 32.13 0.00 1.07 0.03 0.05 66.73 Average: 2 32.99 0.00 1.13 0.52 0.13 65.23 Average: 3 31.53 0.00 1.12 0.05 0.05 67.25