---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1371 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: 5600.00 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 642 10350 4 4996 15004 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:95:e0:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84135sec preferred_lft 84135sec inet6 fe80::f816:3eff:fe95:e003/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:3a:24:ee:e2:e8 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-1371) 08/02/26 _x86_64_ (4 CPU) 00:17:34 LINUX RESTART (4 CPU) 00:20:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:05 38.13 4.31 33.16 0.66 260.22 4127.51 827.08 00:40:05 4.06 0.07 3.82 0.17 7.15 544.57 48.96 00:50:05 12.40 0.51 11.08 0.81 19.09 1873.55 3382.76 Average: 18.20 1.63 16.02 0.55 95.48 2181.87 1419.60 00:20:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:05 11214244 14152968 1811436 11.06 110764 2995848 2171788 12.47 454044 4358396 6848 00:40:05 10699152 13792744 2170356 13.26 115912 3133108 2422260 13.90 498912 4829852 7684 00:50:05 9573572 13236076 2723188 16.63 133392 3650864 2933908 16.84 694256 5723184 125416 Average: 10495656 13727263 2234993 13.65 120023 3259940 2509319 14.40 549071 4970477 46649 00:20:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:05 lo 0.39 0.39 0.04 0.04 0.00 0.00 0.00 0.00 00:30:05 ens3 96.72 74.05 899.27 13.03 0.00 0.00 0.00 0.00 00:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:05 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 00:40:05 ens3 15.14 9.91 36.31 2.83 0.00 0.00 0.00 0.00 00:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:05 lo 304.63 304.63 290.22 290.22 0.00 0.00 0.00 0.00 00:50:05 ens3 45.91 30.64 443.26 4.92 0.00 0.00 0.00 0.00 00:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 101.87 101.87 96.88 96.88 0.00 0.00 0.00 0.00 Average: ens3 52.59 38.20 459.61 6.93 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-1371) 08/02/26 _x86_64_ (4 CPU) 00:17:34 LINUX RESTART (4 CPU) 00:20:05 CPU %user %nice %system %iowait %steal %idle 00:30:05 all 17.72 0.00 0.71 0.29 0.04 81.24 00:30:05 0 16.78 0.00 0.60 0.11 0.04 82.48 00:30:05 1 20.53 0.00 0.80 0.51 0.05 78.11 00:30:05 2 16.04 0.00 0.75 0.14 0.04 83.02 00:30:05 3 17.52 0.00 0.68 0.41 0.05 81.35 00:40:05 all 47.34 0.00 0.68 0.03 0.08 51.87 00:40:05 0 39.58 0.00 0.50 0.02 0.08 59.84 00:40:05 1 47.36 0.00 0.71 0.02 0.08 51.82 00:40:05 2 56.19 0.00 0.74 0.04 0.09 42.95 00:40:05 3 46.26 0.00 0.76 0.04 0.08 52.86 00:50:05 all 60.28 0.00 1.13 0.03 0.09 38.47 00:50:05 0 61.70 0.00 1.28 0.03 0.09 36.91 00:50:05 1 56.90 0.00 1.18 0.04 0.09 41.79 00:50:05 2 52.34 0.00 0.91 0.04 0.09 46.63 00:50:05 3 70.17 0.00 1.15 0.03 0.10 28.56 Average: all 41.78 0.00 0.84 0.12 0.07 57.19 Average: 0 39.36 0.00 0.79 0.05 0.07 59.73 Average: 1 41.59 0.00 0.90 0.19 0.07 57.25 Average: 2 41.52 0.00 0.80 0.07 0.07 57.53 Average: 3 44.65 0.00 0.86 0.16 0.08 54.25