---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24192 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 626 8867 4 6495 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:5b:d2:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.125/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83826sec preferred_lft 83826sec inet6 fe80::f816:3eff:fe5b:d2f4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:df:90:3c:27:11 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-24192) 02/28/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:14 30.68 2.95 24.73 2.99 161.67 3920.73 6751.85 19:30:01 23.43 0.01 20.92 2.50 0.18 2099.48 10340.37 19:40:14 23.31 0.13 20.73 2.45 6.39 9255.21 6612.87 Average: 25.80 1.03 22.12 2.65 56.12 5142.21 7875.44 19:10:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:14 10286024 13707040 2251208 13.75 137916 3414924 2555192 14.67 668888 5019220 9608 19:30:01 9141648 12948668 3006192 18.36 155720 3750332 3223536 18.50 766552 6056048 24536 19:40:14 9110164 15400596 546932 3.34 174480 6131736 1094020 6.28 1615756 5143540 26652 Average: 9512612 14018768 1934777 11.82 156039 4432331 2290916 13.15 1017065 5406269 20265 19:10:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:14 lo 1626.33 1626.33 1543.23 1543.23 0.00 0.00 0.00 0.00 19:20:14 ens3 102.60 78.03 946.35 17.64 0.00 0.00 0.00 0.00 19:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1044.50 1044.50 994.14 994.14 0.00 0.00 0.00 0.00 19:30:01 ens3 35.91 29.21 22.51 10.18 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:14 lo 736.92 736.92 7181.52 7181.52 0.00 0.00 0.00 0.00 19:40:14 ens3 31.72 26.38 104.41 11.62 0.00 0.00 0.00 0.00 19:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1133.75 1133.75 3283.22 3283.22 0.00 0.00 0.00 0.00 Average: ens3 56.71 44.52 358.33 13.16 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-24192) 02/28/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:14 CPU %user %nice %system %iowait %steal %idle 19:20:14 all 63.83 0.00 2.83 0.18 0.11 33.06 19:20:14 0 62.81 0.00 2.54 0.25 0.11 34.27 19:20:14 1 63.79 0.00 3.00 0.16 0.11 32.94 19:20:14 2 62.76 0.00 2.58 0.18 0.12 34.36 19:20:14 3 65.94 0.00 3.18 0.11 0.11 30.66 19:30:01 all 65.55 0.00 2.44 0.55 0.13 31.34 19:30:01 0 65.55 0.00 2.24 0.14 0.13 31.94 19:30:01 1 66.89 0.00 2.55 0.53 0.13 29.91 19:30:01 2 66.13 0.00 2.51 0.90 0.13 30.33 19:30:01 3 63.63 0.00 2.44 0.62 0.14 33.18 19:40:14 all 44.02 0.00 1.74 0.81 0.11 53.31 19:40:14 0 43.87 0.00 1.72 1.23 0.10 53.07 19:40:14 1 35.18 0.00 1.92 0.28 0.11 62.52 19:40:14 2 55.08 0.00 1.77 0.51 0.11 42.52 19:40:14 3 41.98 0.00 1.55 1.24 0.11 55.12 Average: all 57.64 0.00 2.33 0.51 0.12 39.40 Average: 0 57.25 0.00 2.17 0.55 0.11 39.92 Average: 1 55.04 0.00 2.48 0.32 0.12 42.04 Average: 2 61.24 0.00 2.28 0.53 0.12 35.83 Average: 3 57.03 0.00 2.38 0.66 0.12 39.81