---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6493 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 66G 16% / 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 627 8622 4 6739 15019 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:e7:e2:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84182sec preferred_lft 84182sec inet6 fe80::f816:3eff:fee7:e20d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:6e:77:c8:91:2b 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-6493) 04/22/26 _x86_64_ (4 CPU) 05:24:09 LINUX RESTART (4 CPU) 05:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:00 37.04 0.07 20.48 16.49 6.72 2168.94 245289.37 05:50:00 31.66 0.01 28.38 3.27 0.21 2512.58 17877.98 06:00:06 12.70 0.30 11.14 1.26 11.51 7572.80 36084.55 Average: 27.04 0.13 19.97 6.94 6.16 4105.30 98812.02 05:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:00 9024392 12996804 2958404 18.07 147244 3924660 3139160 18.02 896368 6030952 28424 05:50:00 8375812 12798252 3153576 19.26 166404 4326388 3212112 18.44 1010428 6542972 67976 06:00:06 8931468 15472148 472288 2.88 183808 6358136 991336 5.69 1760504 5140564 320 Average: 8777224 13755735 2194756 13.40 165819 4869728 2447536 14.05 1222433 5904829 32240 05:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:00 lo 1458.27 1458.27 1383.82 1383.82 0.00 0.00 0.00 0.00 05:40:00 ens3 41.69 33.96 25.72 12.04 0.00 0.00 0.00 0.00 05:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:00 lo 1466.80 1466.80 1397.44 1397.44 0.00 0.00 0.00 0.00 05:50:00 ens3 41.91 31.53 39.61 11.18 0.00 0.00 0.00 0.00 05:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:06 lo 246.23 246.23 6779.94 6779.94 0.00 0.00 0.00 0.00 06:00:06 ens3 82.74 93.20 113.25 970.49 0.00 0.00 0.00 0.00 06:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1052.55 1052.55 3207.34 3207.34 0.00 0.00 0.00 0.00 Average: ens3 55.60 53.12 59.87 334.83 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-6493) 04/22/26 _x86_64_ (4 CPU) 05:24:09 LINUX RESTART (4 CPU) 05:30:10 CPU %user %nice %system %iowait %steal %idle 05:40:00 all 69.76 0.00 2.60 0.06 0.09 27.49 05:40:00 0 68.97 0.00 2.50 0.04 0.09 28.40 05:40:00 1 70.07 0.00 2.98 0.05 0.08 26.82 05:40:00 2 70.65 0.00 2.21 0.09 0.08 26.97 05:40:00 3 69.36 0.00 2.71 0.06 0.08 27.79 05:50:00 all 64.13 0.00 2.81 0.08 0.08 32.89 05:50:00 0 62.69 0.00 2.46 0.10 0.08 34.66 05:50:00 1 66.07 0.00 2.93 0.10 0.08 30.82 05:50:00 2 64.48 0.00 3.00 0.04 0.09 32.39 05:50:00 3 63.28 0.00 2.84 0.09 0.08 33.70 06:00:06 all 30.45 0.00 0.99 0.15 0.07 68.33 06:00:06 0 29.54 0.00 0.91 0.16 0.07 69.32 06:00:06 1 34.36 0.00 1.10 0.09 0.07 64.38 06:00:06 2 22.40 0.00 0.91 0.22 0.08 76.40 06:00:06 3 35.54 0.00 1.06 0.13 0.07 63.20 Average: all 54.60 0.00 2.13 0.10 0.08 43.10 Average: 0 53.55 0.00 1.95 0.10 0.08 44.32 Average: 1 56.67 0.00 2.33 0.08 0.08 40.84 Average: 2 52.26 0.00 2.03 0.12 0.08 45.50 Average: 3 55.91 0.00 2.20 0.09 0.08 41.72