---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32287 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 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 654 8305 4 7028 14991 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:e5:1c:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.172/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83933sec preferred_lft 83933sec inet6 fe80::f816:3eff:fee5:1cb7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:4d:8c:9f:31:86 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-32287) 07/02/26 _x86_64_ (4 CPU) 06:22:10 LINUX RESTART (4 CPU) 06:30:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:14 21.48 0.07 18.94 2.47 6.79 2206.83 9856.60 06:50:15 31.69 0.03 28.55 3.11 0.37 4423.61 15388.93 07:00:37 10.66 0.28 9.19 1.19 11.00 7121.87 1580.63 Average: 21.15 0.13 18.77 2.24 6.11 4634.19 8844.89 06:30:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:14 9343944 13189496 2767144 16.90 146392 3799252 3013440 17.30 731556 5892956 108988 06:50:15 7855532 12620324 3332192 20.35 169596 4654480 3323092 19.07 1009684 7052384 40 07:00:37 8536612 15373236 572292 3.50 185996 6642948 1098228 6.30 1759384 5529392 200 Average: 8578696 13727685 2223876 13.58 167328 5032227 2478253 14.23 1166875 6158244 36409 06:30:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:14 lo 1215.89 1215.89 1152.05 1152.05 0.00 0.00 0.00 0.00 06:40:14 ens3 44.10 34.02 23.49 11.23 0.00 0.00 0.00 0.00 06:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:15 lo 1216.72 1216.72 1154.58 1154.58 0.00 0.00 0.00 0.00 06:50:15 ens3 44.26 35.98 29.64 12.23 0.00 0.00 0.00 0.00 06:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:37 lo 2504.12 2504.12 8962.20 8962.20 0.00 0.00 0.00 0.00 07:00:37 ens3 49.57 53.60 130.42 552.17 0.00 0.00 0.00 0.00 07:00:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1659.51 1659.51 3840.74 3840.74 0.00 0.00 0.00 0.00 Average: ens3 46.04 41.41 62.33 197.73 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-32287) 07/02/26 _x86_64_ (4 CPU) 06:22:10 LINUX RESTART (4 CPU) 06:30:28 CPU %user %nice %system %iowait %steal %idle 06:40:14 all 62.04 0.00 2.13 0.05 0.09 35.70 06:40:14 0 63.02 0.00 2.04 0.03 0.09 34.82 06:40:14 1 61.23 0.00 2.04 0.05 0.10 36.58 06:40:14 2 61.83 0.00 2.49 0.06 0.09 35.53 06:40:14 3 62.07 0.00 1.95 0.04 0.09 35.86 06:50:15 all 56.19 0.00 2.28 0.11 0.09 41.33 06:50:15 0 57.14 0.00 2.25 0.07 0.09 40.45 06:50:15 1 55.74 0.00 2.21 0.07 0.09 41.90 06:50:15 2 54.66 0.00 2.24 0.15 0.09 42.87 06:50:15 3 57.24 0.00 2.42 0.16 0.09 40.09 07:00:37 all 32.03 0.00 1.21 0.15 0.07 66.53 07:00:37 0 32.30 0.00 1.07 0.12 0.08 66.43 07:00:37 1 35.16 0.00 1.11 0.11 0.07 63.56 07:00:37 2 34.38 0.00 1.04 0.07 0.07 64.44 07:00:37 3 26.28 0.00 1.63 0.32 0.07 71.69 Average: all 49.76 0.00 1.86 0.11 0.08 48.19 Average: 0 50.48 0.00 1.78 0.07 0.09 47.58 Average: 1 50.43 0.00 1.78 0.08 0.08 47.63 Average: 2 49.99 0.00 1.91 0.09 0.08 47.93 Average: 3 48.14 0.00 1.99 0.18 0.08 49.61