---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33410 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 719 9568 4 5701 14927 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:58:e3:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84470sec preferred_lft 84470sec inet6 fe80::f816:3eff:fe58:e32e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:1f:6e:36:7d:e0 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-33410) 07/06/26 _x86_64_ (4 CPU) 12:37:20 LINUX RESTART (4 CPU) 12:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:10 37.26 2.66 19.49 15.11 147.97 4695.91 245718.97 13:00:00 31.81 0.05 28.33 3.43 1.37 3062.67 28100.36 Average: 34.56 1.37 23.87 9.32 75.27 3886.03 137807.74 12:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:10 9036672 12956336 2999276 18.32 156000 3842804 3239912 18.60 740616 6167084 181556 13:00:00 9205108 13476792 2475352 15.12 180140 4135636 2741132 15.73 855452 5844600 1160 Average: 9120890 13216564 2737314 16.72 168070 3989220 2990522 17.17 798034 6005842 91358 12:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:10 lo 698.28 698.28 665.21 665.21 0.00 0.00 0.00 0.00 12:50:10 ens3 106.05 80.60 814.61 17.23 0.00 0.00 0.00 0.00 12:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:00 lo 1665.95 1665.95 1587.80 1587.80 0.00 0.00 0.00 0.00 13:00:00 ens3 49.46 36.61 140.30 10.58 0.00 0.00 0.00 0.00 13:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1178.12 1178.12 1122.70 1122.70 0.00 0.00 0.00 0.00 Average: ens3 77.99 58.79 480.24 13.93 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-33410) 07/06/26 _x86_64_ (4 CPU) 12:37:20 LINUX RESTART (4 CPU) 12:40:10 CPU %user %nice %system %iowait %steal %idle 12:50:10 all 63.10 0.00 2.22 0.54 0.12 34.02 12:50:10 0 63.13 0.00 2.18 0.55 0.12 34.01 12:50:10 1 62.80 0.00 2.25 0.89 0.12 33.95 12:50:10 2 61.46 0.00 2.27 0.33 0.13 35.81 12:50:10 3 64.99 0.00 2.18 0.39 0.12 32.32 13:00:00 all 56.13 0.00 2.59 1.17 0.13 39.98 13:00:00 0 56.55 0.00 2.59 1.41 0.13 39.32 13:00:00 1 55.22 0.00 2.41 1.00 0.13 41.24 13:00:00 2 57.01 0.00 2.80 1.54 0.13 38.52 13:00:00 3 55.74 0.00 2.54 0.75 0.12 40.85 Average: all 59.65 0.00 2.40 0.85 0.13 36.97 Average: 0 59.87 0.00 2.39 0.98 0.13 36.64 Average: 1 59.05 0.00 2.33 0.94 0.12 37.55 Average: 2 59.26 0.00 2.53 0.93 0.13 37.15 Average: 3 60.41 0.00 2.36 0.57 0.12 36.54