---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-861 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 11G 68G 14% / 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 706 10464 4 4818 14940 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:6f:5e:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84327sec preferred_lft 84327sec inet6 fe80::f816:3eff:fe6f:5e97/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:57:77:84:c0:f3 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-861) 07/31/26 _x86_64_ (4 CPU) 08:30:03 LINUX RESTART (4 CPU) 08:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:01 14.62 2.03 11.61 0.98 130.55 3004.04 2301.32 09:00:01 31.54 0.92 26.03 4.59 33.33 4377.76 12558.63 Average: 23.08 1.48 18.82 2.79 81.94 3690.90 7429.97 08:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:01 10430092 13864188 2095160 12.80 138476 3408728 2665668 15.30 579784 4977240 43324 09:00:01 10773884 15348736 603032 3.68 173336 4431520 1102480 6.33 898644 4210284 26624 Average: 10601988 14606462 1349096 8.24 155906 3920124 1884074 10.81 739214 4593762 34974 08:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 08:50:01 ens3 89.96 75.85 639.06 18.88 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 1706.84 1706.84 1625.31 1625.31 0.00 0.00 0.00 0.00 09:00:01 ens3 81.31 67.83 429.68 37.62 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 854.07 854.07 812.72 812.72 0.00 0.00 0.00 0.00 Average: ens3 85.63 71.84 534.37 28.25 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-861) 07/31/26 _x86_64_ (4 CPU) 08:30:03 LINUX RESTART (4 CPU) 08:40:01 CPU %user %nice %system %iowait %steal %idle 08:50:01 all 68.01 0.00 2.22 0.16 0.12 29.48 08:50:01 0 67.96 0.00 1.90 0.09 0.12 29.93 08:50:01 1 69.09 0.00 2.32 0.14 0.12 28.32 08:50:01 2 67.87 0.00 2.66 0.21 0.12 29.14 08:50:01 3 67.13 0.00 2.00 0.20 0.12 30.55 09:00:01 all 63.31 0.00 2.57 0.84 0.11 33.17 09:00:01 0 61.42 0.00 2.37 0.96 0.11 35.14 09:00:01 1 64.82 0.00 2.55 1.62 0.11 30.90 09:00:01 2 65.19 0.00 2.46 0.20 0.11 32.04 09:00:01 3 61.83 0.00 2.89 0.56 0.11 34.60 Average: all 65.66 0.00 2.39 0.50 0.11 31.33 Average: 0 64.69 0.00 2.13 0.52 0.11 32.53 Average: 1 66.96 0.00 2.43 0.88 0.11 29.61 Average: 2 66.53 0.00 2.56 0.21 0.11 30.59 Average: 3 64.48 0.00 2.45 0.38 0.12 32.58