---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-339174 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 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 696 9801 4 5491 14950 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:9e:f1:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84575sec preferred_lft 84575sec inet6 fe80::f816:3eff:fe9e:f173/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:6d:39:b3:25:75 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-339174) 03/09/26 _x86_64_ (4 CPU) 12:37:25 LINUX RESTART (4 CPU) 12:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:02 23.62 2.69 19.25 1.69 147.59 4621.13 2763.07 13:00:01 33.52 0.05 30.02 3.46 1.60 4155.99 11118.55 Average: 28.57 1.37 24.63 2.57 74.63 4388.67 6938.79 12:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:02 9555008 13118132 2839144 17.34 153824 3506264 3073680 17.64 708600 5701652 20212 13:00:01 8107116 13113784 2836932 17.33 187672 4840996 2998260 17.21 1016480 6753044 487248 Average: 8831062 13115958 2838038 17.33 170748 4173630 3035970 17.43 862540 6227348 253730 12:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:02 lo 676.42 676.42 644.41 644.41 0.00 0.00 0.00 0.00 12:50:02 ens3 111.89 86.82 804.45 18.29 0.00 0.00 0.00 0.00 12:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 1455.68 1455.68 1386.81 1386.81 0.00 0.00 0.00 0.00 13:00:01 ens3 64.72 49.56 230.66 13.74 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1065.86 1065.86 1015.43 1015.43 0.00 0.00 0.00 0.00 Average: ens3 88.31 68.20 517.70 16.01 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-339174) 03/09/26 _x86_64_ (4 CPU) 12:37:25 LINUX RESTART (4 CPU) 12:40:02 CPU %user %nice %system %iowait %steal %idle 12:50:02 all 59.48 0.00 2.01 0.10 0.08 38.33 12:50:02 0 57.58 0.00 2.03 0.15 0.08 40.15 12:50:02 1 61.10 0.00 2.00 0.08 0.09 36.74 12:50:02 2 58.98 0.00 1.96 0.10 0.08 38.89 12:50:02 3 60.24 0.00 2.06 0.08 0.08 37.53 13:00:01 all 56.47 0.00 2.45 0.14 0.09 40.84 13:00:01 0 57.95 0.00 2.63 0.14 0.10 39.19 13:00:01 1 55.16 0.00 2.34 0.11 0.10 42.29 13:00:01 2 56.45 0.00 2.35 0.20 0.09 40.91 13:00:01 3 56.34 0.00 2.50 0.12 0.09 40.95 Average: all 57.98 0.00 2.23 0.12 0.09 39.58 Average: 0 57.76 0.00 2.33 0.15 0.09 39.67 Average: 1 58.13 0.00 2.17 0.09 0.09 39.51 Average: 2 57.72 0.00 2.15 0.15 0.09 39.90 Average: 3 58.29 0.00 2.28 0.10 0.09 39.24