---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-346386 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 13G 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 678 8573 4 6736 14968 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:ea:1c:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84622sec preferred_lft 84622sec inet6 fe80::f816:3eff:feea:1cb5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:ca:bb:1b:f6:8c 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-346386) 03/09/26 _x86_64_ (4 CPU) 14:49:54 LINUX RESTART (4 CPU) 14:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:38 72.71 11.67 57.50 3.53 1820.37 10327.89 7351.20 15:10:35 28.54 0.02 25.61 2.91 0.24 2468.29 28574.97 Average: 51.36 6.04 42.09 3.23 940.58 6528.81 17610.09 14:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:38 9850424 13442412 2516152 15.37 134892 3588156 2808572 16.12 804356 5344376 31416 15:10:35 8948992 12983688 2971464 18.15 161024 3969672 3011760 17.29 931920 6076144 33680 Average: 9399708 13213050 2743808 16.76 147958 3778914 2910166 16.70 868138 5710260 32548 14:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:38 lo 1453.73 1453.73 1379.94 1379.94 0.00 0.00 0.00 0.00 15:00:38 ens3 146.93 110.18 1297.40 21.11 0.00 0.00 0.00 0.00 15:00:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:35 lo 1303.59 1303.59 1241.93 1241.93 0.00 0.00 0.00 0.00 15:10:35 ens3 28.06 23.55 41.55 6.72 0.00 0.00 0.00 0.00 15:10:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1381.16 1381.16 1313.23 1313.23 0.00 0.00 0.00 0.00 Average: ens3 89.47 68.30 690.36 14.15 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-346386) 03/09/26 _x86_64_ (4 CPU) 14:49:54 LINUX RESTART (4 CPU) 14:50:00 CPU %user %nice %system %iowait %steal %idle 15:00:38 all 62.79 0.00 2.73 0.42 0.09 33.97 15:00:38 0 60.77 0.00 2.77 0.23 0.09 36.15 15:00:38 1 62.49 0.00 2.60 0.82 0.09 34.01 15:00:38 2 63.28 0.00 2.59 0.33 0.09 33.70 15:00:38 3 64.63 0.00 2.96 0.31 0.09 32.02 15:10:35 all 65.25 0.00 2.40 0.05 0.09 32.20 15:10:35 0 64.28 0.00 2.22 0.04 0.09 33.37 15:10:35 1 64.88 0.00 2.33 0.06 0.09 32.65 15:10:35 2 66.90 0.00 2.65 0.07 0.09 30.28 15:10:35 3 64.95 0.00 2.41 0.05 0.09 32.50 Average: all 63.98 0.00 2.57 0.24 0.09 33.11 Average: 0 62.47 0.00 2.50 0.14 0.09 34.81 Average: 1 63.64 0.00 2.47 0.45 0.09 33.35 Average: 2 65.03 0.00 2.62 0.21 0.09 32.05 Average: 3 64.79 0.00 2.69 0.18 0.09 32.25