---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15265 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 680 8257 4 7050 14966 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:52:21:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83925sec preferred_lft 83925sec inet6 fe80::f816:3eff:fe52:21b1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:0c:8e:23:f2: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-15265) 05/14/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 22.44 0.07 19.68 2.69 6.59 2366.86 5405.65 19:30:01 34.52 0.01 30.91 3.60 0.23 2787.52 14820.19 19:40:01 13.30 0.32 11.63 1.35 11.97 9460.40 3926.03 Average: 23.43 0.13 20.75 2.55 6.26 4883.69 8063.39 19:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 9515044 13227276 2729496 16.67 144508 3680508 2847328 16.34 741608 5718620 3060 19:30:01 8073940 12827756 3124360 19.08 164976 4654200 3121240 17.92 1031528 6810812 550804 19:40:01 8492904 15353460 590828 3.61 189724 6667400 1097084 6.30 1790368 5538480 12 Average: 8693963 13802831 2148228 13.12 166403 5000703 2355217 13.52 1187835 6022637 184625 19:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 1344.68 1344.68 1275.01 1275.01 0.00 0.00 0.00 0.00 19:20:01 ens3 26.71 21.58 45.89 11.90 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1524.29 1524.29 1452.63 1452.63 0.00 0.00 0.00 0.00 19:30:01 ens3 47.49 33.73 31.67 13.05 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 19:40:01 lo 2433.28 2433.28 9287.31 9287.31 0.00 0.00 0.00 0.00 19:40:01 ens3 59.08 60.94 162.28 577.68 0.00 0.00 0.00 0.00 19:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1769.46 1769.46 4018.17 4018.17 0.00 0.00 0.00 0.00 Average: ens3 44.52 38.83 80.11 201.79 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-15265) 05/14/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:09 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 67.35 0.00 2.26 0.04 0.10 30.25 19:20:01 0 66.95 0.00 2.37 0.07 0.10 30.51 19:20:01 1 67.94 0.00 2.19 0.04 0.10 29.73 19:20:01 2 66.47 0.00 2.17 0.03 0.10 31.23 19:20:01 3 68.03 0.00 2.31 0.04 0.10 29.52 19:30:01 all 65.25 0.00 2.65 0.07 0.11 31.93 19:30:01 0 64.75 0.00 2.57 0.04 0.11 32.54 19:30:01 1 66.27 0.00 2.50 0.07 0.11 31.05 19:30:01 2 65.17 0.00 2.90 0.05 0.11 31.77 19:30:01 3 64.79 0.00 2.63 0.11 0.11 32.36 19:40:01 all 35.96 0.00 1.34 0.14 0.08 62.47 19:40:01 0 36.17 0.00 1.72 0.24 0.08 61.79 19:40:01 1 25.60 0.00 1.34 0.13 0.08 72.85 19:40:01 2 44.84 0.00 0.97 0.13 0.09 53.98 19:40:01 3 37.30 0.00 1.35 0.07 0.08 61.19 Average: all 56.11 0.00 2.08 0.09 0.10 41.63 Average: 0 55.89 0.00 2.22 0.12 0.10 41.68 Average: 1 53.13 0.00 2.01 0.08 0.10 44.69 Average: 2 58.78 0.00 2.01 0.07 0.10 39.04 Average: 3 56.64 0.00 2.10 0.07 0.10 41.09