---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27141 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 65G 17% / 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 700 8261 4 7026 14946 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:bb:b1:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83546sec preferred_lft 83546sec inet6 fe80::f816:3eff:febb:b1ea/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:ef:aa:fd:24:cf 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-27141) 06/13/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:10 32.60 2.97 26.62 3.02 161.41 4039.81 4435.39 19:30:01 25.39 0.01 22.76 2.62 0.47 2142.09 6449.02 19:40:10 16.02 0.02 14.64 1.36 0.35 3375.63 3303.33 Average: 24.62 1.00 21.30 2.33 54.08 3192.05 4713.41 19:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:10 9856920 13434764 2523596 15.41 139016 3559236 2847912 16.35 680220 5442136 32636 19:30:01 8842404 12789292 3165844 19.34 157340 3879764 3143240 18.04 773316 6322932 27136 19:40:10 5316768 10107020 5845188 35.70 165588 4682488 5559740 31.91 1021576 9543284 80 Average: 8005364 12110359 3844876 23.48 153981 4040496 3850297 22.10 825037 7102784 19951 19:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:10 lo 1632.83 1632.83 1550.01 1550.01 0.00 0.00 0.00 0.00 19:20:10 ens3 119.05 92.07 955.73 19.55 0.00 0.00 0.00 0.00 19:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1242.17 1242.17 1183.47 1183.47 0.00 0.00 0.00 0.00 19:30:01 ens3 31.40 25.37 19.77 9.08 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:10 lo 635.91 635.91 4916.69 4916.69 0.00 0.00 0.00 0.00 19:40:10 ens3 23.66 17.40 14.64 6.14 0.00 0.00 0.00 0.00 19:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1167.25 1167.25 2568.84 2568.84 0.00 0.00 0.00 0.00 Average: ens3 58.00 44.91 330.02 11.58 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-27141) 06/13/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:10 CPU %user %nice %system %iowait %steal %idle 19:20:10 all 67.43 0.00 2.67 0.09 0.09 29.72 19:20:10 0 67.65 0.00 2.69 0.10 0.09 29.47 19:20:10 1 67.83 0.00 2.87 0.09 0.09 29.12 19:20:10 2 67.16 0.00 2.56 0.09 0.09 30.10 19:20:10 3 67.09 0.00 2.55 0.10 0.09 30.17 19:30:01 all 64.16 0.00 2.41 0.07 0.08 33.28 19:30:01 0 61.95 0.00 1.86 0.07 0.09 36.03 19:30:01 1 65.43 0.00 2.63 0.08 0.08 31.78 19:30:01 2 65.73 0.00 2.71 0.06 0.09 31.42 19:30:01 3 63.52 0.00 2.44 0.06 0.08 33.89 19:40:10 all 35.74 0.00 1.40 0.09 0.08 62.69 19:40:10 0 35.41 0.00 1.45 0.17 0.08 62.89 19:40:10 1 36.01 0.00 1.58 0.11 0.08 62.22 19:40:10 2 38.96 0.00 1.48 0.06 0.08 59.43 19:40:10 3 32.58 0.00 1.08 0.04 0.08 66.22 Average: all 55.63 0.00 2.15 0.09 0.08 42.05 Average: 0 54.87 0.00 2.00 0.11 0.09 42.93 Average: 1 56.27 0.00 2.35 0.09 0.08 41.20 Average: 2 57.14 0.00 2.24 0.07 0.08 40.46 Average: 3 54.23 0.00 2.02 0.07 0.08 43.60