---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2816 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 9.9G 68G 13% / 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 664 11034 4 4290 14982 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:83:74:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84844sec preferred_lft 84844sec inet6 fe80::f816:3eff:fe83:74d3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:4b:7d:08:19:c8 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-2816) 04/14/26 _x86_64_ (4 CPU) 21:55:29 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:14 46.81 2.48 36.90 7.43 139.41 4368.75 4580.89 22:20:09 43.04 0.32 24.33 18.38 12.30 3178.08 253613.66 Average: 44.95 1.42 30.71 12.83 76.80 3782.26 127247.43 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:14 10530452 13900112 2058740 12.57 161176 3322828 2239348 12.85 592276 4837988 60572 22:20:09 11392952 15417104 536648 3.28 200800 3887500 1102140 6.33 791456 3706916 3008 Average: 10961702 14658608 1297694 7.93 180988 3605164 1670744 9.59 691866 4272452 31790 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:14 lo 4121.79 4121.79 3930.93 3930.93 0.00 0.00 0.00 0.00 22:10:14 ens3 157.80 116.11 683.01 29.83 0.00 0.00 0.00 0.00 22:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:09 lo 2146.95 2146.95 2031.48 2031.48 0.00 0.00 0.00 0.00 22:20:09 ens3 135.03 125.73 131.69 183.98 0.00 0.00 0.00 0.00 22:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3149.04 3149.04 2995.31 2995.31 0.00 0.00 0.00 0.00 Average: ens3 146.58 120.84 411.45 105.76 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-2816) 04/14/26 _x86_64_ (4 CPU) 21:55:29 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:14 all 62.80 0.00 3.68 0.10 0.11 33.32 22:10:14 0 62.40 0.00 3.56 0.09 0.11 33.84 22:10:14 1 62.47 0.00 3.68 0.13 0.11 33.61 22:10:14 2 62.82 0.00 3.33 0.11 0.11 33.64 22:10:14 3 63.50 0.00 4.13 0.08 0.11 32.17 22:20:09 all 41.94 0.00 2.31 0.99 0.10 54.67 22:20:09 0 36.62 0.00 2.02 0.62 0.09 60.65 22:20:09 1 44.50 0.00 2.41 1.70 0.10 51.29 22:20:09 2 39.24 0.00 2.25 0.38 0.09 58.05 22:20:09 3 47.40 0.00 2.57 1.26 0.10 48.67 Average: all 52.51 0.00 3.00 0.54 0.10 43.85 Average: 0 49.68 0.00 2.80 0.35 0.10 47.07 Average: 1 53.61 0.00 3.05 0.91 0.11 42.33 Average: 2 51.19 0.00 2.80 0.24 0.10 45.67 Average: 3 55.56 0.00 3.36 0.66 0.11 40.31