---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1254 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 645 8323 4 7020 15001 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:b8:b9:ca 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 83810sec preferred_lft 83810sec inet6 fe80::f816:3eff:feb8:b9ca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:6c:27:5e:c9:f2 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-1254) 08/01/26 _x86_64_ (4 CPU) 19:02:44 LINUX RESTART (4 CPU) 19:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:16 19.04 0.07 16.76 2.21 6.64 2011.19 5099.20 19:30:16 35.21 0.01 31.64 3.56 0.20 4582.19 14493.43 19:40:16 10.61 0.03 10.21 0.38 0.77 6224.11 51530.98 Average: 21.63 0.04 19.54 2.05 2.54 4271.66 23695.96 19:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:16 9473352 13197956 2759116 16.85 143528 3687348 2743944 15.75 721156 5773076 11664 19:30:16 7764444 12519040 3433200 20.97 163440 4650172 3284924 18.86 1008624 7142812 2776 19:40:16 8625724 15444740 501136 3.06 179024 6631260 1033312 5.93 1755244 5443112 319788 Average: 8621173 13720579 2231151 13.63 161997 4989593 2354060 13.51 1161675 6119667 111409 19:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:16 lo 1036.27 1036.27 980.23 980.23 0.00 0.00 0.00 0.00 19:20:16 ens3 37.09 31.26 44.51 10.93 0.00 0.00 0.00 0.00 19:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:16 lo 1589.12 1589.12 1514.31 1514.31 0.00 0.00 0.00 0.00 19:30:16 ens3 53.45 37.03 27.41 13.14 0.00 0.00 0.00 0.00 19:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:16 lo 2572.78 2572.78 9307.56 9307.56 0.00 0.00 0.00 0.00 19:40:16 ens3 21.99 18.84 127.03 4.81 0.00 0.00 0.00 0.00 19:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1732.36 1732.36 3931.73 3931.73 0.00 0.00 0.00 0.00 Average: ens3 37.52 29.05 66.29 9.63 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-1254) 08/01/26 _x86_64_ (4 CPU) 19:02:44 LINUX RESTART (4 CPU) 19:10:16 CPU %user %nice %system %iowait %steal %idle 19:20:16 all 65.00 0.00 2.06 0.04 0.11 32.79 19:20:16 0 64.67 0.00 2.25 0.04 0.11 32.93 19:20:16 1 65.74 0.00 2.06 0.04 0.11 32.05 19:20:16 2 64.88 0.00 1.88 0.02 0.11 33.11 19:20:16 3 64.70 0.00 2.06 0.06 0.11 33.07 19:30:16 all 62.75 0.00 2.51 0.12 0.11 34.51 19:30:16 0 62.61 0.00 2.25 0.08 0.11 34.95 19:30:16 1 61.84 0.00 2.44 0.04 0.11 35.57 19:30:16 2 61.42 0.00 2.62 0.12 0.11 35.74 19:30:16 3 65.12 0.00 2.74 0.26 0.11 31.77 19:40:16 all 31.48 0.00 1.25 0.12 0.08 67.08 19:40:16 0 31.46 0.00 0.87 0.20 0.08 67.39 19:40:16 1 30.56 0.00 1.11 0.05 0.08 68.19 19:40:16 2 29.72 0.00 1.40 0.03 0.08 68.78 19:40:16 3 34.17 0.00 1.63 0.18 0.08 63.94 Average: all 53.07 0.00 1.94 0.09 0.10 44.79 Average: 0 52.90 0.00 1.79 0.11 0.10 45.11 Average: 1 52.71 0.00 1.87 0.04 0.10 45.27 Average: 2 52.01 0.00 1.96 0.06 0.10 45.87 Average: 3 54.67 0.00 2.14 0.17 0.10 42.93