---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16091 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 632 10534 4 4821 15014 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:e2:82:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82649sec preferred_lft 82649sec inet6 fe80::f816:3eff:fee2:8299/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:a8:0a:6b:58:e8 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-16091) 05/18/26 _x86_64_ (4 CPU) 00:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:03 1.59 0.19 1.40 0.01 4.77 21.60 442.69 00:20:03 1.31 0.00 1.31 0.00 0.01 14.43 0.00 00:30:03 41.91 4.10 37.13 0.68 253.97 3842.37 638.60 00:40:03 3.75 0.07 3.52 0.16 7.05 616.32 18.65 Average: 12.14 1.09 10.84 0.21 66.45 1123.68 274.99 00:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:03 13754408 15511640 507204 3.10 54808 1929152 1135468 6.52 199620 2163540 176 00:20:03 13752416 15510228 508500 3.11 55356 1929164 1135468 6.52 200168 2164232 180 00:30:03 10930164 13801608 2163152 13.21 110164 2936080 2585368 14.84 457940 4662960 21912 00:40:03 9553728 12579320 3384224 20.67 115304 3072232 3572672 20.51 504100 5967224 308 Average: 11997679 14350699 1640770 10.02 83908 2466657 2107244 12.10 340457 3739489 5644 00:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:10:03 ens3 0.34 0.10 0.08 0.04 0.00 0.00 0.00 0.00 00:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:20:03 ens3 0.25 0.09 0.04 0.02 0.00 0.00 0.00 0.00 00:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:03 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 00:30:03 ens3 89.56 68.54 866.22 12.77 0.00 0.00 0.00 0.00 00:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:03 lo 0.59 0.59 0.37 0.37 0.00 0.00 0.00 0.00 00:40:03 ens3 10.01 8.67 35.70 2.60 0.00 0.00 0.00 0.00 00:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.30 0.30 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 25.04 19.35 225.51 3.86 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-16091) 05/18/26 _x86_64_ (4 CPU) 00:00:03 CPU %user %nice %system %iowait %steal %idle 00:10:03 all 0.03 0.00 0.02 0.01 0.02 99.92 00:10:03 0 0.02 0.00 0.03 0.01 0.04 99.91 00:10:03 1 0.02 0.00 0.02 0.00 0.01 99.95 00:10:03 2 0.04 0.00 0.03 0.00 0.02 99.91 00:10:03 3 0.03 0.00 0.02 0.04 0.02 99.90 00:20:03 all 0.09 0.00 0.02 0.01 0.02 99.85 00:20:03 0 0.32 0.00 0.02 0.03 0.04 99.58 00:20:03 1 0.02 0.00 0.02 0.00 0.02 99.94 00:20:03 2 0.01 0.00 0.02 0.00 0.02 99.94 00:20:03 3 0.02 0.00 0.02 0.01 0.02 99.94 00:30:03 all 23.07 0.00 0.75 0.26 0.05 75.87 00:30:03 0 21.36 0.00 0.75 0.10 0.05 77.75 00:30:03 1 23.48 0.00 0.80 0.08 0.05 75.59 00:30:03 2 23.65 0.00 0.67 0.37 0.06 75.25 00:30:03 3 23.80 0.00 0.77 0.50 0.05 74.89 00:40:03 all 45.63 0.00 0.63 0.02 0.08 53.63 00:40:03 0 49.02 0.00 0.84 0.01 0.08 50.06 00:40:03 1 48.40 0.00 0.58 0.03 0.08 50.91 00:40:03 2 29.31 0.00 0.54 0.02 0.08 70.04 00:40:03 3 55.89 0.00 0.56 0.02 0.08 43.45 Average: all 17.22 0.00 0.36 0.08 0.04 82.31 Average: 0 17.69 0.00 0.41 0.04 0.05 81.81 Average: 1 17.99 0.00 0.35 0.03 0.04 81.59 Average: 2 13.27 0.00 0.32 0.10 0.05 86.27 Average: 3 19.92 0.00 0.34 0.14 0.04 79.56