---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6751 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: 5599.94 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 67G 15% / 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 744 9345 4 5899 14902 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:bb:6e:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84743sec preferred_lft 84743sec inet6 fe80::f816:3eff:febb:6e2d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:48:14:3c:0d:37 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-6751) 03/21/26 _x86_64_ (4 CPU) 23:05:08 LINUX RESTART (4 CPU) 23:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:02 32.41 1.07 28.16 3.18 623.01 4644.10 19021.77 23:30:09 26.91 0.04 23.96 2.91 1.54 5881.52 5813.30 Average: 29.64 0.55 26.05 3.04 310.57 5266.20 12381.35 23:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:02 8546084 12753376 3200840 19.55 160632 4125480 3267160 18.75 945008 6438028 177820 23:30:09 7430224 12854660 3093680 18.89 191824 5249260 3150020 18.08 1203284 7221564 25996 Average: 7988154 12804018 3147260 19.22 176228 4687370 3208590 18.42 1074146 6829796 101908 23:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:02 lo 1525.95 1525.95 1455.28 1455.28 0.00 0.00 0.00 0.00 23:20:02 ens3 63.99 43.56 510.65 10.22 0.00 0.00 0.00 0.00 23:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:09 lo 910.86 910.86 867.57 867.57 0.00 0.00 0.00 0.00 23:30:09 ens3 42.97 34.07 226.79 9.15 0.00 0.00 0.00 0.00 23:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1216.72 1216.72 1159.81 1159.81 0.00 0.00 0.00 0.00 Average: ens3 53.42 38.79 367.94 9.68 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-6751) 03/21/26 _x86_64_ (4 CPU) 23:05:08 LINUX RESTART (4 CPU) 23:10:01 CPU %user %nice %system %iowait %steal %idle 23:20:02 all 65.08 0.00 2.44 1.34 0.10 31.03 23:20:02 0 64.15 0.00 2.37 1.49 0.10 31.88 23:20:02 1 63.92 0.00 2.68 1.29 0.10 32.01 23:20:02 2 66.27 0.00 2.39 0.71 0.10 30.52 23:20:02 3 65.97 0.00 2.32 1.88 0.10 29.72 23:30:09 all 59.62 0.00 2.22 0.09 0.09 37.98 23:30:09 0 59.92 0.00 2.28 0.15 0.09 37.56 23:30:09 1 58.11 0.00 2.12 0.08 0.09 39.60 23:30:09 2 57.65 0.00 2.15 0.06 0.09 40.05 23:30:09 3 62.81 0.00 2.35 0.04 0.08 34.71 Average: all 62.34 0.00 2.33 0.71 0.09 34.53 Average: 0 62.02 0.00 2.32 0.82 0.10 34.74 Average: 1 61.00 0.00 2.40 0.68 0.09 35.83 Average: 2 61.94 0.00 2.27 0.39 0.09 35.31 Average: 3 64.38 0.00 2.33 0.96 0.09 32.23