---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27162 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 67G 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 628 10311 4 5050 15018 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:00:87:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.94/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84699sec preferred_lft 84699sec inet6 fe80::f816:3eff:fe00:87a7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:6d:a1:e7:0d:bd 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-27162) 03/04/26 _x86_64_ (4 CPU) 10:55:19 LINUX RESTART (4 CPU) 11:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:08 7.42 0.38 6.68 0.35 219.85 4137.24 4055.26 11:20:07 3.01 0.01 3.00 0.01 0.05 2787.74 0.51 Average: 5.22 0.20 4.84 0.18 110.08 3463.26 2030.20 11:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:08 7286932 11559376 4398332 26.86 127436 4263808 4460412 25.60 632692 8022760 40952 11:20:07 6345360 11454448 4500508 27.49 128120 5076948 4542012 26.07 633444 8932608 27236 Average: 6816146 11506912 4449420 27.18 127778 4670378 4501212 25.84 633068 8477684 34094 11:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:08 lo 2.61 2.61 0.79 0.79 0.00 0.00 0.00 0.00 11:10:08 ens3 10.89 7.71 125.47 1.25 0.00 0.00 0.00 0.00 11:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:07 lo 1.20 1.20 0.10 0.10 0.00 0.00 0.00 0.00 11:20:07 ens3 0.41 0.19 0.08 0.08 0.00 0.00 0.00 0.00 11:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.90 1.90 0.45 0.45 0.00 0.00 0.00 0.00 Average: ens3 5.65 3.95 62.85 0.67 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-27162) 03/04/26 _x86_64_ (4 CPU) 10:55:19 LINUX RESTART (4 CPU) 11:00:08 CPU %user %nice %system %iowait %steal %idle 11:10:08 all 10.19 0.00 0.37 0.16 0.05 89.23 11:10:08 0 9.97 0.00 0.40 0.24 0.05 89.34 11:10:08 1 9.58 0.00 0.40 0.19 0.06 89.78 11:10:08 2 10.33 0.00 0.38 0.11 0.05 89.14 11:10:08 3 10.87 0.00 0.30 0.12 0.05 88.66 11:20:07 all 1.78 0.00 0.14 0.52 0.04 97.52 11:20:07 0 2.13 0.00 0.11 0.22 0.03 97.52 11:20:07 1 1.65 0.00 0.16 0.54 0.05 97.59 11:20:07 2 2.11 0.00 0.13 0.87 0.05 96.84 11:20:07 3 1.23 0.00 0.16 0.46 0.05 98.11 Average: all 5.99 0.00 0.25 0.34 0.05 93.37 Average: 0 6.05 0.00 0.25 0.23 0.04 93.43 Average: 1 5.62 0.00 0.28 0.37 0.06 93.68 Average: 2 6.22 0.00 0.25 0.49 0.05 92.99 Average: 3 6.06 0.00 0.23 0.29 0.05 93.37