---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53057 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 642 9010 4 6336 15004 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:3e:e8:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.103/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84057sec preferred_lft 84057sec inet6 fe80::f816:3eff:fe3e:e8df/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:a0:b1:71:7f:35 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53057) 03/26/26 _x86_64_ (4 CPU) 05:24:08 LINUX RESTART (4 CPU) 05:30:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:21 30.54 2.91 24.68 2.95 158.91 3906.97 5002.69 05:50:45 28.63 0.01 25.66 2.96 0.17 2376.90 12575.11 06:00:08 17.93 0.34 15.69 1.89 12.57 9034.60 4571.36 Average: 25.92 1.10 22.20 2.62 57.84 4984.42 7498.13 05:30:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:21 10002216 13441016 2518272 15.38 139436 3427620 2864352 16.44 665300 5325680 25280 05:50:45 8806280 12705036 3250732 19.85 161340 3829732 3201008 18.37 786556 6356408 46504 06:00:08 9241196 15370468 577932 3.53 181004 5966844 1089376 6.25 1557508 5035560 108 Average: 9349897 13838840 2115645 12.92 160593 4408065 2384912 13.69 1003121 5572549 23964 05:30:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:21 lo 1534.04 1534.04 1456.73 1456.73 0.00 0.00 0.00 0.00 05:40:21 ens3 108.87 87.20 923.46 20.22 0.00 0.00 0.00 0.00 05:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:45 lo 1269.59 1269.59 1209.68 1209.68 0.00 0.00 0.00 0.00 05:50:45 ens3 40.14 31.01 37.40 12.08 0.00 0.00 0.00 0.00 05:50:45 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:08 lo 477.66 477.66 7498.66 7498.66 0.00 0.00 0.00 0.00 06:00:08 ens3 54.45 54.24 114.43 397.23 0.00 0.00 0.00 0.00 06:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1110.68 1110.68 3266.83 3266.83 0.00 0.00 0.00 0.00 Average: ens3 67.91 57.33 361.76 135.69 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53057) 03/26/26 _x86_64_ (4 CPU) 05:24:08 LINUX RESTART (4 CPU) 05:30:14 CPU %user %nice %system %iowait %steal %idle 05:40:21 all 60.50 0.00 2.46 0.16 0.10 36.78 05:40:21 0 58.99 0.00 2.48 0.19 0.10 38.25 05:40:21 1 61.36 0.00 2.26 0.14 0.10 36.14 05:40:21 2 60.65 0.00 2.49 0.13 0.10 36.62 05:40:21 3 61.00 0.00 2.60 0.18 0.10 36.12 05:50:45 all 65.03 0.00 2.45 0.09 0.11 32.32 05:50:45 0 65.02 0.00 2.46 0.07 0.11 32.34 05:50:45 1 63.62 0.00 2.50 0.09 0.11 33.69 05:50:45 2 68.46 0.00 2.52 0.10 0.11 28.81 05:50:45 3 63.04 0.00 2.33 0.08 0.11 34.44 06:00:08 all 38.10 0.00 1.41 0.56 0.08 59.84 06:00:08 0 33.69 0.00 1.57 1.67 0.08 62.99 06:00:08 1 44.80 0.00 1.32 0.22 0.09 53.58 06:00:08 2 39.85 0.00 1.39 0.15 0.08 58.53 06:00:08 3 34.09 0.00 1.39 0.21 0.08 64.23 Average: all 55.04 0.00 2.13 0.26 0.10 42.47 Average: 0 53.12 0.00 2.18 0.61 0.10 43.98 Average: 1 56.96 0.00 2.05 0.15 0.10 40.75 Average: 2 56.82 0.00 2.16 0.13 0.10 40.79 Average: 3 53.25 0.00 2.13 0.16 0.09 44.37