---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-920 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 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 681 9496 4 5811 14965 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:b6:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84730sec preferred_lft 84730sec inet6 fe80::f816:3eff:fe6f:b635/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:9d:7a:ca:e3:3a 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-920) 03/17/26 _x86_64_ (4 CPU) 16:54:01 LINUX RESTART (4 CPU) 17:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:10:05 11.20 0.03 9.27 1.90 1.02 796.59 44783.44 17:20:01 32.17 0.19 27.85 4.14 5.88 7168.43 26582.15 Average: 21.61 0.11 18.49 3.01 3.43 3958.19 35752.25 17:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:10:05 9531944 12980752 2977324 18.18 128556 3444100 3234396 18.57 672800 5786112 240 17:20:01 6781648 12462244 3485060 21.29 162732 5537640 3633260 20.85 1527556 7555556 281384 Average: 8156796 12721498 3231192 19.73 145644 4490870 3433828 19.71 1100178 6670834 140812 17:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:10:05 lo 50.36 50.36 12.61 12.61 0.00 0.00 0.00 0.00 17:10:05 ens3 6.89 6.07 8.02 1.94 0.00 0.00 0.00 0.00 17:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 lo 1856.55 1856.55 1765.53 1765.53 0.00 0.00 0.00 0.00 17:20:01 ens3 55.32 45.15 464.63 8.88 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 946.56 946.56 882.38 882.38 0.00 0.00 0.00 0.00 Average: ens3 30.92 25.46 234.59 5.38 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-920) 03/17/26 _x86_64_ (4 CPU) 16:54:01 LINUX RESTART (4 CPU) 17:00:01 CPU %user %nice %system %iowait %steal %idle 17:10:05 all 20.05 0.00 0.87 0.06 0.08 78.94 17:10:05 0 20.76 0.00 0.85 0.06 0.08 78.26 17:10:05 1 18.42 0.00 0.90 0.03 0.08 80.56 17:10:05 2 20.81 0.00 0.86 0.03 0.08 78.21 17:10:05 3 20.22 0.00 0.85 0.11 0.08 78.75 17:20:01 all 47.96 0.00 2.39 0.21 0.10 49.34 17:20:01 0 46.12 0.00 1.98 0.03 0.10 51.76 17:20:01 1 47.73 0.00 2.34 0.21 0.10 49.62 17:20:01 2 49.94 0.00 2.74 0.24 0.10 46.98 17:20:01 3 48.05 0.00 2.51 0.34 0.10 49.00 Average: all 33.89 0.00 1.62 0.13 0.09 64.26 Average: 0 33.33 0.00 1.41 0.05 0.09 65.12 Average: 1 32.96 0.00 1.61 0.12 0.09 65.21 Average: 2 35.24 0.00 1.80 0.14 0.09 62.73 Average: 3 34.02 0.00 1.67 0.23 0.09 63.99