---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-182 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 9.9G 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 622 11098 4 4268 15024 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:9e:9f:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84968sec preferred_lft 84968sec inet6 fe80::f816:3eff:fe9e:9fc6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:0a:64:d9:4d:6f 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-182) 04/07/26 _x86_64_ (4 CPU) 08:58:51 LINUX RESTART (4 CPU) 09:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:17 11.83 0.97 10.32 0.55 42.32 1780.21 270.41 09:20:17 34.45 2.63 26.98 4.84 146.23 4012.33 7113.12 Average: 23.14 1.80 18.65 2.69 94.27 2896.27 3691.77 09:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:17 13182368 15500508 484156 2.96 91824 2424140 986664 5.66 308440 2580600 108 09:20:17 9588024 13595520 2362032 14.43 144580 3973072 2561492 14.70 856292 5510760 636840 Average: 11385196 14548014 1423094 8.69 118202 3198606 1774078 10.18 582366 4045680 318474 09:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:17 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 09:10:17 ens3 26.65 20.93 183.77 5.51 0.00 0.00 0.00 0.00 09:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:17 lo 2046.88 2046.88 1951.59 1951.59 0.00 0.00 0.00 0.00 09:20:17 ens3 112.52 89.94 852.44 22.92 0.00 0.00 0.00 0.00 09:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1023.57 1023.57 975.81 975.81 0.00 0.00 0.00 0.00 Average: ens3 69.58 55.43 518.10 14.22 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-182) 04/07/26 _x86_64_ (4 CPU) 08:58:51 LINUX RESTART (4 CPU) 09:00:17 CPU %user %nice %system %iowait %steal %idle 09:10:17 all 1.70 0.00 0.24 0.57 0.05 97.44 09:10:17 0 1.94 0.00 0.26 0.05 0.02 97.72 09:10:17 1 1.53 0.00 0.24 0.06 0.03 98.13 09:10:17 2 1.65 0.00 0.22 0.14 0.12 97.88 09:10:17 3 1.69 0.00 0.23 2.01 0.04 96.04 09:20:17 all 62.94 0.00 2.82 0.09 0.10 34.06 09:20:17 0 62.78 0.00 2.75 0.09 0.10 34.29 09:20:17 1 61.79 0.00 2.76 0.10 0.10 35.25 09:20:17 2 64.65 0.00 3.09 0.07 0.09 32.09 09:20:17 3 62.54 0.00 2.67 0.09 0.09 34.61 Average: all 32.26 0.00 1.53 0.33 0.07 65.81 Average: 0 32.30 0.00 1.50 0.07 0.06 66.07 Average: 1 31.58 0.00 1.50 0.08 0.06 66.77 Average: 2 33.10 0.00 1.65 0.11 0.10 65.03 Average: 3 32.05 0.00 1.45 1.05 0.06 65.38