---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2389 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: 5600.00 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 689 10573 4 4726 14957 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:0f:e5:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84845sec preferred_lft 84845sec inet6 fe80::f816:3eff:fe0f:e543/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:5c:dd:86:c1:ca 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-2389) 04/13/26 _x86_64_ (4 CPU) 00:44:41 LINUX RESTART (4 CPU) 00:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:27 10.49 0.44 8.99 1.06 16.33 2309.45 354.07 01:10:08 29.55 0.80 23.92 4.83 29.03 3966.93 3665.70 Average: 19.75 0.61 16.24 2.90 22.50 3114.46 1962.48 00:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:27 10072112 13611868 2345984 14.33 150528 3487460 2824844 16.21 644308 5253004 24056 01:10:08 10909280 15393384 557364 3.40 177164 4345176 1059020 6.08 913848 4051340 9976 Average: 10490696 14502626 1451674 8.87 163846 3916318 1941932 11.15 779078 4652172 17016 00:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:27 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 01:00:27 ens3 69.73 54.31 98.03 17.78 0.00 0.00 0.00 0.00 01:00:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:10:08 lo 1827.41 1827.41 1731.26 1731.26 0.00 0.00 0.00 0.00 01:10:08 ens3 130.60 115.65 437.28 198.15 0.00 0.00 0.00 0.00 01:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 888.27 888.27 840.92 840.92 0.00 0.00 0.00 0.00 Average: ens3 99.29 84.10 262.80 105.38 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-2389) 04/13/26 _x86_64_ (4 CPU) 00:44:41 LINUX RESTART (4 CPU) 00:50:12 CPU %user %nice %system %iowait %steal %idle 01:00:27 all 72.61 0.00 2.25 0.04 0.10 25.00 01:00:27 0 71.69 0.00 2.14 0.05 0.10 26.03 01:00:27 1 72.84 0.00 2.48 0.02 0.10 24.57 01:00:27 2 72.88 0.00 2.34 0.03 0.10 24.64 01:00:27 3 73.04 0.00 2.04 0.05 0.10 24.76 01:10:08 all 50.16 0.00 2.33 0.38 0.09 47.04 01:10:08 0 43.31 0.00 2.13 0.70 0.09 53.77 01:10:08 1 58.11 0.00 2.46 0.21 0.09 39.13 01:10:08 2 45.82 0.00 2.46 0.35 0.09 51.28 01:10:08 3 53.40 0.00 2.29 0.26 0.09 43.96 Average: all 61.71 0.00 2.29 0.21 0.09 35.70 Average: 0 57.90 0.00 2.13 0.37 0.09 39.50 Average: 1 65.69 0.00 2.47 0.11 0.10 31.64 Average: 2 59.74 0.00 2.40 0.19 0.09 37.58 Average: 3 63.50 0.00 2.16 0.15 0.09 34.09