---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4259 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 643 10628 4 4717 15003 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:69:f2:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.201/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84545sec preferred_lft 84545sec inet6 fe80::f816:3eff:fe69:f287/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:ce:52:54:2b:47 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-4259) 04/18/26 _x86_64_ (4 CPU) 13:40:49 LINUX RESTART (4 CPU) 13:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:07 23.85 0.50 8.98 14.37 18.64 2088.57 239162.83 14:10:03 31.54 0.70 26.57 4.27 23.45 3602.18 11810.24 Average: 27.68 0.60 17.75 9.34 21.04 2842.98 125846.70 13:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:07 9653052 13294956 2661468 16.26 151540 3578392 2867592 16.46 673716 5619004 68428 14:10:03 10940668 15412476 538492 3.29 172308 4339280 1039736 5.97 903576 4015048 3360 Average: 10296860 14353716 1599980 9.77 161924 3958836 1953664 11.21 788646 4817026 35894 13:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:07 lo 1.43 1.43 0.15 0.15 0.00 0.00 0.00 0.00 14:00:07 ens3 73.34 54.48 103.71 17.89 0.00 0.00 0.00 0.00 14:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:03 lo 1820.16 1820.16 1724.14 1724.14 0.00 0.00 0.00 0.00 14:10:03 ens3 115.76 99.80 364.85 189.96 0.00 0.00 0.00 0.00 14:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 907.91 907.91 859.41 859.41 0.00 0.00 0.00 0.00 Average: ens3 94.48 77.07 233.87 103.65 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-4259) 04/18/26 _x86_64_ (4 CPU) 13:40:49 LINUX RESTART (4 CPU) 13:50:07 CPU %user %nice %system %iowait %steal %idle 14:00:07 all 70.00 0.00 2.26 0.88 0.12 26.74 14:00:07 0 68.72 0.00 2.34 0.95 0.11 27.88 14:00:07 1 70.78 0.00 2.36 1.37 0.12 25.36 14:00:07 2 68.69 0.00 2.34 0.79 0.12 28.06 14:00:07 3 71.80 0.00 2.00 0.42 0.11 25.67 14:10:03 all 40.66 0.00 2.10 2.92 0.08 54.24 14:10:03 0 38.14 0.00 2.12 1.75 0.08 57.92 14:10:03 1 42.12 0.00 2.47 4.11 0.08 51.22 14:10:03 2 42.42 0.00 1.93 2.46 0.08 53.10 14:10:03 3 39.95 0.00 1.89 3.37 0.09 54.71 Average: all 55.37 0.00 2.18 1.90 0.10 40.45 Average: 0 53.48 0.00 2.23 1.35 0.09 42.85 Average: 1 56.50 0.00 2.42 2.73 0.10 38.25 Average: 2 55.60 0.00 2.14 1.62 0.10 40.54 Average: 3 55.92 0.00 1.95 1.89 0.10 40.15