---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28347 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 12G 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 729 9562 4 5697 14917 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:33:76:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84471sec preferred_lft 84471sec inet6 fe80::f816:3eff:fe33:76aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:1f:9e:1c:fd:b9 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-28347) 06/18/26 _x86_64_ (4 CPU) 12:37:51 LINUX RESTART (4 CPU) 12:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:02 24.65 2.71 20.44 1.50 149.81 5350.67 5752.10 13:00:09 33.49 0.04 29.94 3.51 1.29 3156.18 16614.47 Average: 29.12 1.36 25.25 2.52 74.64 4239.98 11249.82 12:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:02 9782200 13496780 2459708 15.02 154156 3649800 2704492 15.52 701124 5459728 23256 13:00:09 7545560 11827332 4125160 25.19 185836 4137612 4301796 24.69 859500 7496508 13036 Average: 8663880 12662056 3292434 20.11 169996 3893706 3503144 20.11 780312 6478118 18146 12:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:02 lo 593.67 593.67 565.31 565.31 0.00 0.00 0.00 0.00 12:50:02 ens3 106.00 82.58 846.53 17.85 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 13:00:09 lo 1591.86 1591.86 1517.37 1517.37 0.00 0.00 0.00 0.00 13:00:09 ens3 44.37 35.20 138.10 10.63 0.00 0.00 0.00 0.00 13:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1098.88 1098.88 1047.17 1047.17 0.00 0.00 0.00 0.00 Average: ens3 74.81 58.60 487.98 14.20 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-28347) 06/18/26 _x86_64_ (4 CPU) 12:37:51 LINUX RESTART (4 CPU) 12:40:09 CPU %user %nice %system %iowait %steal %idle 12:50:02 all 56.03 0.00 1.95 0.61 0.09 41.32 12:50:02 0 54.42 0.00 1.80 0.97 0.09 42.72 12:50:02 1 55.45 0.00 1.95 0.10 0.09 42.41 12:50:02 2 57.56 0.00 2.12 0.81 0.10 39.41 12:50:02 3 56.68 0.00 1.93 0.57 0.09 40.73 13:00:09 all 56.70 0.00 2.42 0.35 0.10 40.43 13:00:09 0 57.76 0.00 2.56 0.38 0.11 39.19 13:00:09 1 56.84 0.00 2.31 0.51 0.10 40.23 13:00:09 2 57.12 0.00 2.50 0.25 0.10 40.04 13:00:09 3 55.07 0.00 2.30 0.27 0.10 42.26 Average: all 56.37 0.00 2.19 0.48 0.10 40.87 Average: 0 56.11 0.00 2.18 0.67 0.10 40.93 Average: 1 56.15 0.00 2.14 0.31 0.10 41.30 Average: 2 57.34 0.00 2.31 0.52 0.10 39.73 Average: 3 55.87 0.00 2.12 0.42 0.10 41.50