---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36384 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: 5600.00 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 641 8905 4 6442 15005 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:62:93:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.1/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84126sec preferred_lft 84126sec inet6 fe80::f816:3eff:fe62:93b3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:24:2f:46:c7:16 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-36384) 07/16/26 _x86_64_ (4 CPU) 10:23:49 LINUX RESTART (4 CPU) 10:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:07 22.89 0.07 20.16 2.67 6.49 2176.88 4945.12 10:50:07 31.78 0.01 28.49 3.28 0.21 2479.28 9517.04 11:00:07 13.31 0.16 11.85 1.30 9.80 7625.75 38790.28 Average: 22.66 0.08 20.16 2.41 5.50 4093.97 17750.81 10:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:07 9758204 13417596 2540020 15.51 141260 3630360 2629916 15.10 694740 5521236 6740 10:50:07 9035520 13223016 2731416 16.68 160760 4106388 2747328 15.77 815844 6091356 125564 11:00:07 9145020 15381648 565424 3.45 173200 6076032 1095216 6.29 1556700 5139024 180 Average: 9312915 14007420 1945620 11.88 158407 4604260 2157487 12.38 1022428 5583872 44161 10:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:07 lo 1309.53 1309.53 1241.49 1241.49 0.00 0.00 0.00 0.00 10:40:07 ens3 55.59 42.47 53.59 13.58 0.00 0.00 0.00 0.00 10:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:07 lo 1391.63 1391.63 1326.05 1326.05 0.00 0.00 0.00 0.00 10:50:07 ens3 53.74 38.88 41.61 12.62 0.00 0.00 0.00 0.00 10:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:07 lo 369.09 369.09 6845.33 6845.33 0.00 0.00 0.00 0.00 11:00:07 ens3 74.61 83.97 116.58 968.18 0.00 0.00 0.00 0.00 11:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1023.42 1023.42 3137.62 3137.62 0.00 0.00 0.00 0.00 Average: ens3 61.31 55.11 70.59 331.46 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-36384) 07/16/26 _x86_64_ (4 CPU) 10:23:49 LINUX RESTART (4 CPU) 10:30:07 CPU %user %nice %system %iowait %steal %idle 10:40:07 all 63.56 0.00 2.18 0.33 0.10 33.83 10:40:07 0 65.29 0.00 2.07 0.04 0.11 32.49 10:40:07 1 61.93 0.00 1.95 0.06 0.11 35.96 10:40:07 2 63.22 0.00 2.50 0.55 0.10 33.63 10:40:07 3 63.79 0.00 2.20 0.67 0.11 33.23 10:50:07 all 64.33 0.00 2.55 0.08 0.11 32.93 10:50:07 0 66.77 0.00 2.79 0.06 0.11 30.28 10:50:07 1 61.88 0.00 2.49 0.05 0.11 35.47 10:50:07 2 64.12 0.00 2.67 0.14 0.11 32.96 10:50:07 3 64.55 0.00 2.25 0.10 0.11 32.99 11:00:07 all 29.64 0.00 1.01 0.47 0.07 68.80 11:00:07 0 35.36 0.00 1.01 0.25 0.08 63.30 11:00:07 1 29.03 0.00 1.12 0.18 0.07 69.61 11:00:07 2 30.94 0.00 0.93 0.44 0.08 67.62 11:00:07 3 23.24 0.00 0.99 1.01 0.07 74.69 Average: all 52.50 0.00 1.91 0.29 0.10 45.20 Average: 0 55.79 0.00 1.96 0.11 0.10 42.04 Average: 1 50.92 0.00 1.85 0.09 0.09 47.04 Average: 2 52.75 0.00 2.03 0.38 0.10 44.75 Average: 3 50.51 0.00 1.81 0.59 0.10 46.98