---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35997 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 12G 67G 15% / 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 726 9548 4 5713 14919 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:c4:27:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84438sec preferred_lft 84438sec inet6 fe80::f816:3eff:fec4:270b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:a4:dc:e4:d4:15 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-35997) 07/15/26 _x86_64_ (4 CPU) 08:27:50 LINUX RESTART (4 CPU) 08:30:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:09 21.96 2.70 17.75 1.51 150.26 4621.49 3971.58 08:50:09 47.53 0.05 30.38 17.10 1.32 3163.70 248169.80 09:00:09 25.84 0.17 22.60 3.07 12.63 5837.48 74994.63 Average: 31.85 0.96 23.62 7.27 54.07 4540.08 109789.27 08:30:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:09 9494872 13231228 2725120 16.64 153668 3669956 3338980 19.17 703008 5752516 29584 08:50:09 8796120 13078912 2873008 17.55 180496 4144856 3204988 18.40 857180 6241632 15432 09:00:09 9769644 15281532 664108 4.06 202852 5281352 1184220 6.80 941976 5088288 28272 Average: 9353545 13863891 2087412 12.75 179005 4365388 2576063 14.79 834055 5694145 24429 08:30:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:09 lo 659.34 659.34 628.22 628.22 0.00 0.00 0.00 0.00 08:40:09 ens3 110.44 84.71 842.18 17.87 0.00 0.00 0.00 0.00 08:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:09 lo 1598.30 1598.30 1523.14 1523.14 0.00 0.00 0.00 0.00 08:50:09 ens3 42.32 33.89 136.84 10.17 0.00 0.00 0.00 0.00 08:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:09 lo 11.78 11.78 1.19 1.19 0.00 0.00 0.00 0.00 09:00:09 ens3 79.64 74.11 124.54 228.87 0.00 0.00 0.00 0.00 09:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 757.30 757.30 718.28 718.28 0.00 0.00 0.00 0.00 Average: ens3 77.23 64.09 364.57 86.08 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-35997) 07/15/26 _x86_64_ (4 CPU) 08:27:50 LINUX RESTART (4 CPU) 08:30:21 CPU %user %nice %system %iowait %steal %idle 08:40:09 all 58.43 0.00 2.03 0.26 0.13 39.15 08:40:09 0 58.15 0.00 2.19 0.25 0.13 39.29 08:40:09 1 57.89 0.00 2.11 0.07 0.12 39.80 08:40:09 2 60.30 0.00 1.95 0.30 0.13 37.32 08:40:09 3 57.39 0.00 1.88 0.42 0.13 40.18 08:50:09 all 59.78 0.00 2.60 0.10 0.14 37.37 08:50:09 0 62.92 0.00 2.69 0.05 0.14 34.19 08:50:09 1 58.91 0.00 2.99 0.12 0.14 37.84 08:50:09 2 58.05 0.00 2.51 0.19 0.14 39.10 08:50:09 3 59.25 0.00 2.19 0.06 0.14 38.36 09:00:09 all 46.76 0.00 1.66 0.09 0.11 51.38 09:00:09 0 45.25 0.00 1.59 0.08 0.11 52.96 09:00:09 1 49.80 0.00 1.97 0.17 0.11 47.95 09:00:09 2 46.58 0.00 1.60 0.03 0.11 51.68 09:00:09 3 45.39 0.00 1.48 0.08 0.11 52.94 Average: all 54.96 0.00 2.10 0.15 0.13 42.66 Average: 0 55.42 0.00 2.16 0.13 0.13 42.17 Average: 1 55.51 0.00 2.36 0.12 0.12 41.88 Average: 2 54.93 0.00 2.02 0.17 0.13 42.75 Average: 3 53.98 0.00 1.85 0.18 0.13 43.86