---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7908 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 625 8784 4 6578 15020 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:d5:1c:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.151/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84444sec preferred_lft 84444sec inet6 fe80::f816:3eff:fed5:1c25/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:f1:b7:58:c1:1d 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7908) 02/05/26 _x86_64_ (4 CPU) 10:37:48 LINUX RESTART (4 CPU) 10:40:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:28 34.83 3.46 28.01 3.37 757.97 4691.61 29230.43 11:00:22 29.38 0.02 26.20 3.16 0.30 3239.61 42217.96 11:10:07 25.67 0.20 22.17 3.30 13.25 9011.02 11897.12 Average: 30.02 1.25 25.49 3.28 262.53 5621.52 27879.39 10:40:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:28 9595372 13303276 2654420 16.21 136388 3702292 3066608 17.60 849924 5549856 95488 11:00:22 8355720 12546172 3407844 20.81 153432 4134752 3512276 20.16 981180 6608996 82836 11:10:07 9064684 15445916 500020 3.05 173728 6234284 1044276 5.99 1767148 5036636 13112 Average: 9005259 13765121 2187428 13.36 154516 4690443 2541053 14.59 1199417 5731829 63812 10:40:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:28 lo 1375.25 1375.25 1303.57 1303.57 0.00 0.00 0.00 0.00 10:50:28 ens3 116.81 90.79 1027.17 19.19 0.00 0.00 0.00 0.00 10:50:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:22 lo 1248.29 1248.29 1188.84 1188.84 0.00 0.00 0.00 0.00 11:00:22 ens3 35.76 27.48 24.16 9.94 0.00 0.00 0.00 0.00 11:00:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:07 lo 442.18 442.18 409.46 409.46 0.00 0.00 0.00 0.00 11:10:07 ens3 110.81 114.29 165.77 1083.88 0.00 0.00 0.00 0.00 11:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1027.89 1027.89 973.02 973.02 0.00 0.00 0.00 0.00 Average: ens3 87.90 77.43 412.02 364.31 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7908) 02/05/26 _x86_64_ (4 CPU) 10:37:48 LINUX RESTART (4 CPU) 10:40:19 CPU %user %nice %system %iowait %steal %idle 10:50:28 all 58.90 0.00 2.41 0.26 0.10 38.34 10:50:28 0 58.76 0.00 2.38 0.17 0.10 38.60 10:50:28 1 59.57 0.00 2.33 0.32 0.10 37.68 10:50:28 2 58.38 0.00 2.50 0.42 0.10 38.61 10:50:28 3 58.87 0.00 2.41 0.16 0.10 38.46 11:00:22 all 54.18 0.00 2.15 6.04 0.11 37.53 11:00:22 0 52.92 0.00 2.23 6.29 0.11 38.45 11:00:22 1 54.63 0.00 2.05 3.54 0.11 39.67 11:00:22 2 54.90 0.00 2.02 4.46 0.10 38.50 11:00:22 3 54.25 0.00 2.27 9.87 0.11 33.49 11:10:07 all 33.56 0.00 1.76 1.96 0.08 62.63 11:10:07 0 33.34 0.00 1.87 1.70 0.09 63.00 11:10:07 1 27.43 0.00 1.57 1.29 0.07 69.63 11:10:07 2 36.24 0.00 1.85 2.07 0.09 59.76 11:10:07 3 37.24 0.00 1.74 2.79 0.09 58.14 Average: all 49.04 0.00 2.11 2.74 0.10 46.02 Average: 0 48.50 0.00 2.16 2.70 0.10 46.53 Average: 1 47.40 0.00 1.99 1.71 0.09 48.81 Average: 2 49.98 0.00 2.13 2.30 0.10 45.49 Average: 3 50.26 0.00 2.15 4.25 0.10 43.25