---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29209 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 624 10427 4 4937 15022 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:a7:2e:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84812sec preferred_lft 84812sec inet6 fe80::f816:3eff:fea7:2e0e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:9e:3e:96:ca:d4 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-29209) 06/21/26 _x86_64_ (4 CPU) 20:07:19 LINUX RESTART (4 CPU) 20:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:09 6.58 0.69 5.70 0.20 40.57 1756.25 157.92 20:30:01 9.96 0.51 8.91 0.53 19.07 1701.94 923.23 Average: 8.26 0.60 7.29 0.36 29.92 1729.34 537.09 20:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:09 8840320 11905328 4057708 24.78 114508 3108648 4281124 24.57 495400 6688908 468 20:30:01 9249816 13015304 2943820 17.98 132340 3753256 3134096 17.99 684688 6044496 267368 Average: 9045068 12460316 3500764 21.38 123424 3430952 3707610 21.28 590044 6366702 133918 20:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:09 lo 0.64 0.64 0.38 0.38 0.00 0.00 0.00 0.00 20:20:09 ens3 17.09 14.31 104.08 3.14 0.00 0.00 0.00 0.00 20:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 209.58 209.58 199.58 199.58 0.00 0.00 0.00 0.00 20:30:01 ens3 38.75 27.04 438.17 3.50 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 104.16 104.16 99.07 99.07 0.00 0.00 0.00 0.00 Average: ens3 27.82 20.61 269.61 3.32 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-29209) 06/21/26 _x86_64_ (4 CPU) 20:07:19 LINUX RESTART (4 CPU) 20:10:06 CPU %user %nice %system %iowait %steal %idle 20:20:09 all 49.69 0.00 0.79 0.03 0.08 49.40 20:20:09 0 51.52 0.00 1.00 0.05 0.08 47.35 20:20:09 1 60.83 0.00 0.79 0.01 0.08 38.28 20:20:09 2 39.28 0.00 0.70 0.03 0.07 59.91 20:20:09 3 47.15 0.00 0.68 0.03 0.08 52.05 20:30:01 all 51.19 0.00 0.90 0.02 0.08 47.80 20:30:01 0 43.75 0.00 0.91 0.02 0.08 55.24 20:30:01 1 40.80 0.00 0.76 0.02 0.08 58.34 20:30:01 2 38.46 0.00 0.83 0.04 0.08 60.60 20:30:01 3 81.75 0.00 1.10 0.02 0.10 17.02 Average: all 50.43 0.00 0.85 0.03 0.08 48.61 Average: 0 47.67 0.00 0.95 0.04 0.08 51.26 Average: 1 50.90 0.00 0.77 0.02 0.08 48.22 Average: 2 38.87 0.00 0.76 0.03 0.08 60.25 Average: 3 64.28 0.00 0.89 0.03 0.09 34.71