---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10908 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 772 9480 4 5737 14874 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:12:66:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84243sec preferred_lft 84243sec inet6 fe80::f816:3eff:fe12:66fe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:69:f5:8b:5c:ef 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-10908) 05/04/26 _x86_64_ (4 CPU) 20:24:44 LINUX RESTART (4 CPU) 20:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:09 33.76 0.44 29.18 4.14 13.99 4415.89 16572.36 20:50:06 52.52 0.00 41.68 10.84 0.00 2893.07 29970.70 21:00:01 21.80 0.32 18.32 3.15 14.57 3957.76 7396.71 Average: 36.04 0.26 29.74 6.04 9.52 3756.17 17994.91 20:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:09 8921972 13128920 2823964 17.25 183952 4077088 3044720 17.48 773432 6219080 125048 20:50:06 8551216 13169572 2778872 16.97 214784 4414512 3189336 18.31 873864 6444144 106776 21:00:01 9775708 15286468 658852 4.02 237908 5242648 1144992 6.57 1211496 4812028 11268 Average: 9082965 13861653 2087229 12.75 212215 4578083 2459683 14.12 952931 5825084 81031 20:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:09 lo 1888.71 1888.71 1800.66 1800.66 0.00 0.00 0.00 0.00 20:40:09 ens3 96.30 71.45 322.44 20.59 0.00 0.00 0.00 0.00 20:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:06 lo 5046.01 5046.01 4811.23 4811.23 0.00 0.00 0.00 0.00 20:50:06 ens3 84.62 63.82 28.66 21.77 0.00 0.00 0.00 0.00 20:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 1220.93 1220.93 1137.80 1137.80 0.00 0.00 0.00 0.00 21:00:01 ens3 147.45 147.96 133.62 604.58 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2719.79 2719.79 2584.46 2584.46 0.00 0.00 0.00 0.00 Average: ens3 109.38 94.30 161.84 214.75 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-10908) 05/04/26 _x86_64_ (4 CPU) 20:24:44 LINUX RESTART (4 CPU) 20:30:09 CPU %user %nice %system %iowait %steal %idle 20:40:09 all 66.68 0.00 2.99 0.06 0.11 30.17 20:40:09 0 65.76 0.00 2.93 0.06 0.11 31.14 20:40:09 1 67.41 0.00 3.15 0.05 0.11 29.29 20:40:09 2 66.74 0.00 2.93 0.07 0.10 30.15 20:40:09 3 66.81 0.00 2.93 0.05 0.10 30.10 20:50:06 all 62.56 0.00 4.01 0.09 0.11 33.23 20:50:06 0 61.85 0.00 3.75 0.07 0.11 34.22 20:50:06 1 62.25 0.00 4.21 0.13 0.10 33.31 20:50:06 2 62.53 0.00 3.84 0.11 0.11 33.42 20:50:06 3 63.61 0.00 4.26 0.07 0.10 31.97 21:00:01 all 37.08 0.00 1.87 0.10 0.08 60.86 21:00:01 0 41.54 0.00 2.01 0.06 0.11 56.28 21:00:01 1 31.43 0.00 1.80 0.21 0.07 66.49 21:00:01 2 40.44 0.00 1.87 0.10 0.08 57.51 21:00:01 3 34.93 0.00 1.81 0.04 0.07 63.14 Average: all 55.47 0.00 2.96 0.09 0.10 41.39 Average: 0 56.40 0.00 2.90 0.06 0.11 40.53 Average: 1 53.73 0.00 3.06 0.13 0.09 42.99 Average: 2 56.61 0.00 2.88 0.09 0.10 40.32 Average: 3 55.14 0.00 3.00 0.05 0.09 41.71