---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11069 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 662 10495 4 4830 14984 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:85:04:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84695sec preferred_lft 84695sec inet6 fe80::f816:3eff:fe85:4b7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:6f:f2:5d:27:cc 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-11069) 05/05/26 _x86_64_ (4 CPU) 09:06:11 LINUX RESTART (4 CPU) 09:10:56 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:23 15.26 2.12 11.89 1.25 134.94 3278.21 2161.51 09:30:15 27.68 0.92 23.14 3.62 30.84 4226.65 3842.33 Average: 21.60 1.51 17.64 2.46 81.79 3762.41 3019.61 09:10:56 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:23 10756304 14136040 1822748 11.13 133912 3371056 2096884 12.04 588408 4642424 28140 09:30:15 8626600 13155768 2793732 17.06 174360 4390296 3058628 17.56 907124 6362336 44472 Average: 9691452 13645904 2308240 14.10 154136 3880676 2577756 14.80 747766 5502380 36306 09:10:56 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:23 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 09:20:23 ens3 112.74 87.04 735.96 20.86 0.00 0.00 0.00 0.00 09:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:15 lo 1756.44 1756.44 1673.24 1673.24 0.00 0.00 0.00 0.00 09:30:15 ens3 80.76 63.16 431.61 17.19 0.00 0.00 0.00 0.00 09:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 897.31 897.31 854.30 854.30 0.00 0.00 0.00 0.00 Average: ens3 96.42 74.85 580.58 18.99 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-11069) 05/05/26 _x86_64_ (4 CPU) 09:06:11 LINUX RESTART (4 CPU) 09:10:56 CPU %user %nice %system %iowait %steal %idle 09:20:23 all 59.85 0.00 2.08 0.07 0.09 37.90 09:20:23 0 60.09 0.00 2.06 0.09 0.09 37.67 09:20:23 1 60.88 0.00 2.29 0.04 0.10 36.69 09:20:23 2 59.93 0.00 2.01 0.04 0.09 37.93 09:20:23 3 58.51 0.00 1.97 0.12 0.08 39.32 09:30:15 all 69.54 0.00 2.74 0.06 0.09 27.58 09:30:15 0 69.21 0.00 2.59 0.05 0.09 28.06 09:30:15 1 68.40 0.00 2.59 0.04 0.08 28.88 09:30:15 2 71.30 0.00 3.32 0.05 0.08 25.25 09:30:15 3 69.23 0.00 2.46 0.09 0.09 28.13 Average: all 64.80 0.00 2.42 0.07 0.09 32.63 Average: 0 64.75 0.00 2.33 0.07 0.09 32.76 Average: 1 64.72 0.00 2.44 0.04 0.09 32.70 Average: 2 65.73 0.00 2.68 0.05 0.08 31.46 Average: 3 63.98 0.00 2.22 0.11 0.08 33.61