---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12500 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 686 9440 4 5862 14960 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:4a:6a:28 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84518sec preferred_lft 84518sec inet6 fe80::f816:3eff:fe4a:6a28/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:df:5c:79:77:cb 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-12500) 05/10/26 _x86_64_ (4 CPU) 05:12:19 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:11 10.90 0.01 9.33 1.56 0.22 744.19 24042.54 05:40:09 38.33 0.60 32.41 5.32 19.88 8102.90 20523.76 Average: 24.49 0.30 20.76 3.42 9.96 4388.10 22300.10 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:11 9666448 13160928 2797468 17.09 132328 3479036 3066520 17.60 687444 5622240 1320 05:40:09 9738852 15384892 563184 3.44 170840 5490756 1091772 6.27 1563828 4564180 27620 Average: 9702650 14272910 1680326 10.26 151584 4484896 2079146 11.93 1125636 5093210 14470 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:11 lo 55.53 55.53 14.22 14.22 0.00 0.00 0.00 0.00 05:30:11 ens3 6.80 4.85 4.20 1.51 0.00 0.00 0.00 0.00 05:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:09 lo 2327.82 2327.82 2239.45 2239.45 0.00 0.00 0.00 0.00 05:40:09 ens3 82.21 66.27 471.51 30.34 0.00 0.00 0.00 0.00 05:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1180.73 1180.73 1116.12 1116.12 0.00 0.00 0.00 0.00 Average: ens3 44.14 35.26 235.61 15.79 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-12500) 05/10/26 _x86_64_ (4 CPU) 05:12:19 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:11 all 15.51 0.00 0.77 0.07 0.09 83.57 05:30:11 0 14.01 0.00 0.83 0.02 0.08 85.06 05:30:11 1 15.77 0.00 0.74 0.16 0.09 83.23 05:30:11 2 16.20 0.00 0.73 0.04 0.09 82.94 05:30:11 3 16.06 0.00 0.77 0.03 0.09 83.05 05:40:09 all 49.56 0.00 2.58 0.15 0.08 47.63 05:40:09 0 47.02 0.00 2.55 0.17 0.08 50.19 05:40:09 1 51.65 0.00 2.77 0.06 0.08 45.44 05:40:09 2 51.45 0.00 2.63 0.07 0.08 45.76 05:40:09 3 48.14 0.00 2.37 0.29 0.08 49.13 Average: all 32.37 0.00 1.67 0.11 0.08 65.77 Average: 0 30.36 0.00 1.68 0.09 0.08 67.78 Average: 1 33.53 0.00 1.75 0.11 0.08 64.52 Average: 2 33.65 0.00 1.68 0.06 0.08 64.53 Average: 3 31.94 0.00 1.56 0.16 0.08 66.25