---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6105 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 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 654 10321 4 5012 14991 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:a8:1c:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.234/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84768sec preferred_lft 84768sec inet6 fe80::f816:3eff:fea8:1c44/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:61:d0:76:0e:8b 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-6105) 03/19/26 _x86_64_ (4 CPU) 17:39:56 LINUX RESTART (4 CPU) 17:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:05 70.94 11.46 44.91 14.58 1898.10 15957.33 241906.97 18:00:05 30.53 0.80 26.58 3.14 28.21 3538.77 3103.64 Average: 50.79 6.15 35.77 8.88 965.91 9766.37 122857.49 17:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:05 10562172 13932588 2027788 12.38 129676 3375184 2504804 14.38 676096 4769512 23688 18:00:05 8843132 13251772 2699988 16.49 170864 4286700 2839324 16.30 924444 6126908 102248 Average: 9702652 13592180 2363888 14.44 150270 3830942 2672064 15.34 800270 5448210 62968 17:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:05 lo 1.21 1.21 0.14 0.14 0.00 0.00 0.00 0.00 17:50:05 ens3 160.02 115.23 1113.82 24.35 0.00 0.00 0.00 0.00 17:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:05 lo 1536.64 1536.64 1465.22 1465.22 0.00 0.00 0.00 0.00 18:00:05 ens3 88.77 65.80 367.00 18.05 0.00 0.00 0.00 0.00 18:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 766.66 766.66 730.52 730.52 0.00 0.00 0.00 0.00 Average: ens3 124.50 90.59 741.51 21.21 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-6105) 03/19/26 _x86_64_ (4 CPU) 17:39:56 LINUX RESTART (4 CPU) 17:40:00 CPU %user %nice %system %iowait %steal %idle 17:50:05 all 46.53 0.00 1.94 0.92 0.07 50.53 17:50:05 0 46.08 0.00 2.05 0.43 0.07 51.36 17:50:05 1 48.83 0.00 2.14 1.10 0.07 47.86 17:50:05 2 44.00 0.00 1.81 1.37 0.07 52.76 17:50:05 3 47.23 0.00 1.77 0.78 0.07 50.15 18:00:05 all 69.14 0.00 2.73 0.52 0.09 27.51 18:00:05 0 70.41 0.00 2.83 0.42 0.09 26.25 18:00:05 1 67.76 0.00 2.60 0.34 0.09 29.20 18:00:05 2 68.52 0.00 3.08 0.39 0.09 27.92 18:00:05 3 69.88 0.00 2.40 0.94 0.09 26.68 Average: all 57.80 0.00 2.33 0.72 0.08 39.06 Average: 0 58.20 0.00 2.44 0.43 0.08 38.85 Average: 1 58.27 0.00 2.37 0.72 0.08 38.55 Average: 2 56.21 0.00 2.44 0.88 0.08 40.38 Average: 3 58.51 0.00 2.09 0.86 0.08 38.46