---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10195 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 12G 66G 16% / 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 602 8793 4 6593 15044 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:79:94:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84219sec preferred_lft 84219sec inet6 fe80::f816:3eff:fe79:94f8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:35:ec:66:c9:20 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-10195) 02/13/26 _x86_64_ (4 CPU) 13:11:49 LINUX RESTART (4 CPU) 13:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:38 23.67 0.06 20.81 2.80 6.04 2177.02 6808.21 13:40:38 28.17 0.02 25.31 2.84 0.45 4424.42 11042.87 Average: 25.85 0.04 22.99 2.82 3.33 3265.62 8859.40 13:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:38 9207384 12988260 2968200 18.13 148240 3743164 2997228 17.20 851296 5899240 16480 13:40:38 5571912 10411668 5540672 33.84 162672 4741844 5422036 31.12 1149796 9192332 24 Average: 7389648 11699964 4254436 25.98 155456 4242504 4209632 24.16 1000546 7545786 8252 13:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:38 lo 1246.01 1246.01 1180.73 1180.73 0.00 0.00 0.00 0.00 13:30:38 ens3 47.27 37.64 27.38 12.18 0.00 0.00 0.00 0.00 13:30:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:38 lo 1115.13 1115.13 1109.99 1109.99 0.00 0.00 0.00 0.00 13:40:38 ens3 46.87 35.07 42.00 11.76 0.00 0.00 0.00 0.00 13:40:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1182.61 1182.61 1146.47 1146.47 0.00 0.00 0.00 0.00 Average: ens3 47.08 36.39 34.46 11.98 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-10195) 02/13/26 _x86_64_ (4 CPU) 13:11:49 LINUX RESTART (4 CPU) 13:20:00 CPU %user %nice %system %iowait %steal %idle 13:30:38 all 67.11 0.00 2.29 0.05 0.10 30.46 13:30:38 0 66.88 0.00 2.23 0.03 0.10 30.76 13:30:38 1 66.57 0.00 2.44 0.08 0.09 30.82 13:30:38 2 66.71 0.00 2.45 0.06 0.10 30.68 13:30:38 3 68.26 0.00 2.04 0.03 0.10 29.57 13:40:38 all 55.07 0.00 2.16 0.13 0.09 42.55 13:40:38 0 52.56 0.00 2.07 0.09 0.09 45.18 13:40:38 1 54.53 0.00 2.03 0.05 0.10 43.30 13:40:38 2 56.01 0.00 2.61 0.13 0.09 41.15 13:40:38 3 57.16 0.00 1.92 0.25 0.09 40.57 Average: all 61.27 0.00 2.23 0.09 0.10 36.32 Average: 0 59.94 0.00 2.15 0.06 0.10 37.75 Average: 1 60.74 0.00 2.24 0.07 0.09 36.86 Average: 2 61.52 0.00 2.53 0.09 0.10 35.76 Average: 3 62.88 0.00 1.99 0.14 0.09 34.90