---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12275 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 68G 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 678 10577 4 4733 14968 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:7b:09:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.125/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84735sec preferred_lft 84735sec inet6 fe80::f816:3eff:fe7b:9c4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:7c:80:9f:c8:21 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-12275) 05/09/26 _x86_64_ (4 CPU) 16:26:38 LINUX RESTART (4 CPU) 16:30:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:40:16 11.39 0.52 9.74 1.12 19.70 2357.50 3062.78 16:50:24 27.97 0.76 23.01 4.20 25.80 3833.39 5370.05 Average: 19.80 0.64 16.47 2.68 22.79 3106.17 4233.17 16:30:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:40:16 10192164 13689432 2268984 13.86 144088 3457168 2499900 14.35 630924 5135624 25552 16:50:24 10882004 15369600 582056 3.55 173552 4352336 1107616 6.36 895764 4100568 24 Average: 10537084 14529516 1425520 8.71 158820 3904752 1803758 10.35 763344 4618096 12788 16:30:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:40:16 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 16:40:16 ens3 80.75 58.24 102.49 18.15 0.00 0.00 0.00 0.00 16:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:24 lo 1694.06 1694.06 1607.79 1607.79 0.00 0.00 0.00 0.00 16:50:24 ens3 87.02 76.51 398.09 86.57 0.00 0.00 0.00 0.00 16:50:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 860.02 860.02 815.64 815.64 0.00 0.00 0.00 0.00 Average: ens3 83.93 67.51 252.44 52.86 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-12275) 05/09/26 _x86_64_ (4 CPU) 16:26:38 LINUX RESTART (4 CPU) 16:30:24 CPU %user %nice %system %iowait %steal %idle 16:40:16 all 72.58 0.00 2.25 0.02 0.10 25.05 16:40:16 0 72.08 0.00 2.53 0.03 0.10 25.26 16:40:16 1 73.20 0.00 2.02 0.02 0.10 24.66 16:40:16 2 74.36 0.00 2.41 0.02 0.10 23.10 16:40:16 3 70.67 0.00 2.04 0.03 0.11 27.16 16:50:24 all 48.52 0.00 2.22 0.07 0.08 49.11 16:50:24 0 45.14 0.00 2.18 0.03 0.08 52.57 16:50:24 1 51.85 0.00 2.18 0.10 0.08 45.80 16:50:24 2 48.12 0.00 2.23 0.09 0.07 49.48 16:50:24 3 48.98 0.00 2.28 0.06 0.08 48.60 Average: all 60.37 0.00 2.23 0.05 0.09 37.25 Average: 0 58.42 0.00 2.35 0.03 0.09 39.11 Average: 1 62.37 0.00 2.10 0.06 0.09 35.38 Average: 2 61.05 0.00 2.32 0.05 0.09 36.49 Average: 3 59.66 0.00 2.17 0.04 0.09 38.04