---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31117 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 639 10261 4 5087 15006 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:f7:47:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.0/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84765sec preferred_lft 84765sec inet6 fe80::f816:3eff:fef7:47c4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:ca:a5:f0:f7:39 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-31117) 06/27/26 _x86_64_ (4 CPU) 17:09:29 LINUX RESTART (4 CPU) 17:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 44.44 4.52 39.04 0.88 465.31 4620.87 1632.21 17:30:26 3.48 0.06 3.27 0.15 6.44 523.30 30.43 Average: 23.55 2.25 20.80 0.51 231.32 2531.43 815.43 17:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 10054284 13164944 2798112 17.09 113788 3158988 3044160 17.47 536524 5431268 1276 17:30:26 10262684 13539364 2422412 14.80 119208 3306292 2675296 15.36 574824 5180016 13144 Average: 10158484 13352154 2610262 15.94 116498 3232640 2859728 16.41 555674 5305642 7210 17:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 17:20:01 ens3 97.37 72.75 951.59 13.11 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:26 lo 0.55 0.55 0.36 0.36 0.00 0.00 0.00 0.00 17:30:26 ens3 8.74 7.35 33.51 1.67 0.00 0.00 0.00 0.00 17:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.51 0.51 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 52.17 39.40 483.44 7.27 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-31117) 06/27/26 _x86_64_ (4 CPU) 17:09:29 LINUX RESTART (4 CPU) 17:10:00 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 34.89 0.00 1.01 0.60 0.07 63.43 17:20:01 0 33.19 0.00 0.96 0.12 0.07 65.67 17:20:01 1 32.07 0.00 0.98 1.17 0.07 65.71 17:20:01 2 36.62 0.00 1.01 0.08 0.07 62.23 17:20:01 3 37.69 0.00 1.10 1.01 0.07 60.12 17:30:26 all 49.50 0.00 0.61 0.01 0.08 49.79 17:30:26 0 52.53 0.00 0.76 0.02 0.08 46.61 17:30:26 1 40.46 0.00 0.51 0.01 0.07 58.95 17:30:26 2 56.43 0.00 0.59 0.01 0.08 42.89 17:30:26 3 48.61 0.00 0.59 0.02 0.08 50.70 Average: all 42.35 0.00 0.81 0.30 0.07 56.47 Average: 0 43.05 0.00 0.86 0.07 0.07 55.95 Average: 1 36.36 0.00 0.74 0.58 0.07 62.25 Average: 2 46.74 0.00 0.79 0.04 0.08 52.35 Average: 3 43.27 0.00 0.84 0.51 0.07 55.31