---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29170 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 634 10377 4 4976 15011 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:5a:06:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.103/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84775sec preferred_lft 84775sec inet6 fe80::f816:3eff:fe5a:6d6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:d1:c6:21:98:53 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-29170) 06/21/26 _x86_64_ (4 CPU) 09:54:21 LINUX RESTART (4 CPU) 10:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:12 3.90 0.07 3.65 0.18 7.09 582.37 82.41 10:20:01 32.73 0.54 17.17 15.03 19.94 2382.36 252673.06 Average: 18.18 0.30 10.35 7.54 13.45 1473.90 125190.16 10:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:12 9592676 12822708 3139280 19.17 117424 3265300 3440608 19.75 570568 5861980 1228 10:20:01 10699144 15426736 529336 3.23 137836 4684160 1036468 5.95 932644 4307480 1045044 Average: 10145910 14124722 1834308 11.20 127630 3974730 2238538 12.85 751606 5084730 523136 10:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:12 lo 0.61 0.61 0.37 0.37 0.00 0.00 0.00 0.00 10:10:12 ens3 9.78 8.28 36.32 2.30 0.00 0.00 0.00 0.00 10:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 504.15 504.15 480.45 480.45 0.00 0.00 0.00 0.00 10:20:01 ens3 51.73 39.36 497.01 5.92 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 250.01 250.01 238.16 238.16 0.00 0.00 0.00 0.00 Average: ens3 30.56 23.67 264.50 4.09 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-29170) 06/21/26 _x86_64_ (4 CPU) 09:54:21 LINUX RESTART (4 CPU) 10:00:11 CPU %user %nice %system %iowait %steal %idle 10:10:12 all 47.67 0.00 0.71 0.02 0.08 51.52 10:10:12 0 40.19 0.00 0.72 0.03 0.08 58.98 10:10:12 1 50.49 0.00 0.68 0.03 0.08 48.73 10:10:12 2 59.36 0.00 0.95 0.01 0.10 39.59 10:10:12 3 40.67 0.00 0.51 0.01 0.07 58.75 10:20:01 all 51.02 0.00 1.38 0.07 0.09 47.45 10:20:01 0 40.95 0.00 1.28 0.03 0.09 57.65 10:20:01 1 49.24 0.00 1.47 0.07 0.09 49.14 10:20:01 2 72.05 0.00 1.64 0.03 0.10 26.19 10:20:01 3 41.84 0.00 1.13 0.14 0.08 56.82 Average: all 49.33 0.00 1.04 0.04 0.08 49.50 Average: 0 40.56 0.00 1.00 0.03 0.08 58.32 Average: 1 49.87 0.00 1.07 0.05 0.08 48.93 Average: 2 65.64 0.00 1.29 0.02 0.10 32.95 Average: 3 41.25 0.00 0.81 0.07 0.07 57.80