---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22639 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 636 10543 4 4808 15009 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:b4:18:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84659sec preferred_lft 84659sec inet6 fe80::f816:3eff:feb4:18a3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:7c:78:a8:e9:7d 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-22639) 06/02/26 _x86_64_ (4 CPU) 15:45:25 LINUX RESTART (4 CPU) 15:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:04 10.57 0.20 9.29 1.07 10.22 2117.42 2859.29 16:10:09 28.95 1.06 23.54 4.36 34.76 4113.84 13326.02 Average: 19.84 0.63 16.48 2.73 22.60 3124.31 8138.19 15:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:04 10354908 13837756 2121004 12.95 139504 3453892 2385784 13.69 602064 5014588 30916 16:10:09 10844040 15408628 543072 3.32 174604 4422620 1110184 6.37 897584 4132844 29152 Average: 10599474 14623192 1332038 8.14 157054 3938256 1747984 10.03 749824 4573716 30034 15:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:04 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 16:00:04 ens3 60.99 48.73 97.12 16.42 0.00 0.00 0.00 0.00 16:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:09 lo 1795.31 1795.31 1710.50 1710.50 0.00 0.00 0.00 0.00 16:10:09 ens3 78.95 59.54 400.35 35.17 0.00 0.00 0.00 0.00 16:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 906.15 906.15 862.76 862.76 0.00 0.00 0.00 0.00 Average: ens3 70.05 54.18 250.05 25.87 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-22639) 06/02/26 _x86_64_ (4 CPU) 15:45:25 LINUX RESTART (4 CPU) 15:50:09 CPU %user %nice %system %iowait %steal %idle 16:00:04 all 72.01 0.00 2.31 0.08 0.19 25.41 16:00:04 0 72.79 0.00 2.41 0.03 0.18 24.59 16:00:04 1 75.39 0.00 2.55 0.10 0.17 21.80 16:00:04 2 67.81 0.00 2.09 0.07 0.21 29.82 16:00:04 3 72.07 0.00 2.18 0.12 0.20 25.43 16:10:09 all 62.53 0.00 2.80 1.08 0.17 33.41 16:10:09 0 62.69 0.00 2.94 1.06 0.18 33.12 16:10:09 1 62.89 0.00 2.84 0.78 0.16 33.33 16:10:09 2 63.40 0.00 2.94 0.98 0.16 32.51 16:10:09 3 61.15 0.00 2.49 1.49 0.18 34.69 Average: all 67.23 0.00 2.56 0.58 0.18 29.45 Average: 0 67.69 0.00 2.68 0.55 0.18 28.90 Average: 1 69.07 0.00 2.69 0.44 0.17 27.63 Average: 2 65.59 0.00 2.52 0.53 0.19 31.18 Average: 3 66.56 0.00 2.34 0.81 0.19 30.10