---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15465 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 735 10171 4 5082 14911 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:8d:45:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83992sec preferred_lft 83992sec inet6 fe80::f816:3eff:fe8d:4513/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:d7:2c:e6:9b:c7 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-15465) 05/15/26 _x86_64_ (4 CPU) 09:13:19 LINUX RESTART (4 CPU) 09:20:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:00 7.24 1.98 5.17 0.10 128.88 1360.26 257.56 09:40:01 11.02 0.43 9.55 1.04 16.49 2116.82 3417.07 09:50:01 29.86 0.79 24.83 4.25 27.07 4139.58 3303.35 Average: 16.20 1.05 13.33 1.83 56.15 2560.04 2364.49 09:20:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:00 11223788 14391556 1571096 9.60 117844 3218372 2059768 11.82 629252 4188688 20416 09:40:01 9732016 13552780 2403636 14.68 147464 3775820 2700056 15.50 792880 5446432 44628 09:50:01 10512416 15357040 592148 3.62 175460 4703428 1116168 6.41 1063148 4291104 144 Average: 10489407 14433792 1522293 9.30 146923 3899207 1958664 11.24 828427 4642075 21729 09:20:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:00 lo 0.24 0.24 0.02 0.02 0.00 0.00 0.00 0.00 09:30:00 ens3 54.10 43.00 614.72 7.23 0.00 0.00 0.00 0.00 09:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 09:40:01 ens3 69.20 53.37 98.56 22.66 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 1682.95 1682.95 1599.19 1599.19 0.00 0.00 0.00 0.00 09:50:01 ens3 94.27 78.26 410.76 78.93 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 571.33 571.33 542.43 542.43 0.00 0.00 0.00 0.00 Average: ens3 72.85 58.48 370.10 36.79 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-15465) 05/15/26 _x86_64_ (4 CPU) 09:13:19 LINUX RESTART (4 CPU) 09:20:32 CPU %user %nice %system %iowait %steal %idle 09:30:00 all 9.79 0.00 0.42 0.70 0.04 89.05 09:30:00 0 10.05 0.00 0.37 1.90 0.04 87.63 09:30:00 1 8.82 0.00 0.43 0.31 0.03 90.40 09:30:00 2 10.47 0.00 0.49 0.17 0.03 88.84 09:30:00 3 9.83 0.00 0.41 0.42 0.04 89.31 09:40:01 all 71.41 0.00 2.28 0.18 0.17 25.96 09:40:01 0 72.41 0.00 2.57 0.21 0.21 24.60 09:40:01 1 70.40 0.00 2.10 0.20 0.17 27.13 09:40:01 2 68.58 0.00 2.05 0.10 0.16 29.10 09:40:01 3 74.23 0.00 2.40 0.21 0.16 23.00 09:50:01 all 57.07 0.00 2.55 0.25 0.12 40.00 09:50:01 0 56.12 0.00 2.48 0.36 0.13 40.92 09:50:01 1 59.18 0.00 2.58 0.15 0.13 37.96 09:50:01 2 56.01 0.00 2.71 0.24 0.12 40.92 09:50:01 3 56.97 0.00 2.45 0.26 0.12 40.19 Average: all 46.74 0.00 1.78 0.37 0.11 51.00 Average: 0 46.85 0.00 1.83 0.80 0.13 50.39 Average: 1 46.78 0.00 1.73 0.22 0.11 51.16 Average: 2 45.65 0.00 1.77 0.17 0.10 52.30 Average: 3 47.67 0.00 1.78 0.29 0.11 50.15