---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7046 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 13G 66G 16% / 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 662 8709 4 6617 14984 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:33:65:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.141/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83886sec preferred_lft 83886sec inet6 fe80::f816:3eff:fe33:6538/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:1c:5b:63:99:69 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-7046) 04/23/26 _x86_64_ (4 CPU) 10:42:51 LINUX RESTART (4 CPU) 10:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:14 22.68 0.07 19.88 2.74 6.48 2150.71 3310.80 11:10:14 34.92 0.01 31.39 3.53 0.12 2567.53 8089.25 11:20:14 10.85 0.04 9.54 1.26 1.43 8455.07 3848.80 Average: 22.82 0.04 20.27 2.51 2.68 4391.10 5082.95 10:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:14 8101120 11680024 4278028 26.13 142568 3552952 4282556 24.58 697056 7178504 33668 11:10:14 7466836 11659912 4294432 26.23 169880 4101884 4253232 24.41 857012 7610432 232952 11:20:14 9018052 15424564 523632 3.20 185244 6230124 1046384 6.01 1656396 5173164 43588 Average: 8195336 12921500 3032031 18.52 165897 4628320 3194057 18.33 1070155 6654033 103403 10:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:14 lo 1358.54 1358.54 1288.11 1288.11 0.00 0.00 0.00 0.00 11:00:14 ens3 52.16 42.42 53.11 13.79 0.00 0.00 0.00 0.00 11:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:14 lo 1403.98 1403.98 1337.57 1337.57 0.00 0.00 0.00 0.00 11:10:14 ens3 41.00 33.52 46.33 11.70 0.00 0.00 0.00 0.00 11:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:14 lo 2442.14 2442.14 9291.18 9291.18 0.00 0.00 0.00 0.00 11:20:14 ens3 37.17 28.48 134.84 7.85 0.00 0.00 0.00 0.00 11:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1734.88 1734.88 3972.29 3972.29 0.00 0.00 0.00 0.00 Average: ens3 43.44 34.81 78.09 11.11 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-7046) 04/23/26 _x86_64_ (4 CPU) 10:42:51 LINUX RESTART (4 CPU) 10:50:14 CPU %user %nice %system %iowait %steal %idle 11:00:14 all 70.99 0.00 2.50 0.10 0.15 26.26 11:00:14 0 68.73 0.00 2.34 0.12 0.15 28.66 11:00:14 1 71.54 0.00 2.47 0.08 0.15 25.77 11:00:14 2 69.77 0.00 2.58 0.06 0.15 27.44 11:00:14 3 73.90 0.00 2.60 0.16 0.16 23.19 11:10:14 all 62.65 0.00 2.71 0.38 0.16 34.09 11:10:14 0 63.07 0.00 2.78 0.18 0.16 33.81 11:10:14 1 63.39 0.00 2.76 0.20 0.17 33.49 11:10:14 2 62.16 0.00 2.68 0.53 0.16 34.47 11:10:14 3 61.99 0.00 2.62 0.63 0.16 34.61 11:20:14 all 39.53 0.00 1.55 0.28 0.11 58.52 11:20:14 0 31.70 0.00 1.36 0.20 0.11 66.63 11:20:14 1 52.43 0.00 1.37 0.40 0.12 45.67 11:20:14 2 31.89 0.00 1.62 0.21 0.11 66.17 11:20:14 3 42.09 0.00 1.85 0.33 0.12 55.61 Average: all 57.71 0.00 2.25 0.26 0.14 39.64 Average: 0 54.48 0.00 2.16 0.16 0.14 43.06 Average: 1 62.45 0.00 2.20 0.23 0.15 34.98 Average: 2 54.60 0.00 2.29 0.27 0.14 42.71 Average: 3 59.31 0.00 2.35 0.37 0.15 37.81