---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28535 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 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 652 10638 4 4698 14994 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:d8:7f:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84653sec preferred_lft 84653sec inet6 fe80::f816:3eff:fed8:7f93/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:7e:4f:38:e3:61 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-28535) 03/04/26 _x86_64_ (4 CPU) 14:38:31 LINUX RESTART (4 CPU) 14:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:20 32.12 2.42 16.22 13.47 143.19 3096.38 238832.23 15:00:20 27.95 0.79 24.54 2.61 27.29 3599.12 4681.54 Average: 30.05 1.61 20.35 8.08 85.64 3346.01 122567.21 14:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:20 10686368 13703984 2258568 13.79 121824 3042532 2626692 15.08 525704 4809172 38224 15:00:20 8942968 13031116 2922164 17.85 164700 3980872 3068040 17.61 778488 6201532 101920 Average: 9814668 13367550 2590366 15.82 143262 3511702 2847366 16.34 652096 5505352 70072 14:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:20 lo 0.80 0.80 0.09 0.09 0.00 0.00 0.00 0.00 14:50:20 ens3 84.25 66.25 673.81 14.49 0.00 0.00 0.00 0.00 14:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:20 lo 1024.45 1024.45 976.22 976.22 0.00 0.00 0.00 0.00 15:00:20 ens3 97.10 70.18 372.14 19.41 0.00 0.00 0.00 0.00 15:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 509.08 509.08 484.77 484.77 0.00 0.00 0.00 0.00 Average: ens3 90.63 68.20 524.02 16.93 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-28535) 03/04/26 _x86_64_ (4 CPU) 14:38:31 LINUX RESTART (4 CPU) 14:40:11 CPU %user %nice %system %iowait %steal %idle 14:50:20 all 36.89 0.00 1.22 0.12 0.06 61.70 14:50:20 0 39.31 0.00 1.38 0.03 0.06 59.22 14:50:20 1 36.18 0.00 1.05 0.03 0.07 62.66 14:50:20 2 36.32 0.00 1.21 0.22 0.07 62.18 14:50:20 3 35.76 0.00 1.25 0.18 0.06 62.75 15:00:20 all 71.30 0.00 2.58 0.05 0.11 25.96 15:00:20 0 69.23 0.00 2.66 0.07 0.11 27.92 15:00:20 1 73.50 0.00 2.64 0.06 0.11 23.69 15:00:20 2 72.52 0.00 2.59 0.04 0.11 24.74 15:00:20 3 69.94 0.00 2.42 0.04 0.11 27.49 Average: all 53.95 0.00 1.89 0.08 0.09 43.98 Average: 0 54.16 0.00 2.01 0.05 0.08 43.69 Average: 1 54.67 0.00 1.84 0.04 0.09 43.36 Average: 2 54.27 0.00 1.89 0.13 0.09 43.62 Average: 3 52.71 0.00 1.83 0.11 0.09 45.27