---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52829 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: 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 13G 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 639 8654 4 6695 15007 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:28:48:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.44/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84143sec preferred_lft 84143sec inet6 fe80::f816:3eff:fe28:48ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:cc:8a:a4:1c:9c 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-52829) 03/25/26 _x86_64_ (4 CPU) 19:01:27 LINUX RESTART (4 CPU) 19:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:06 22.52 0.06 19.79 2.66 6.28 2208.86 6290.38 19:30:01 29.18 0.03 26.23 2.93 0.46 4261.07 14036.71 Average: 25.84 0.05 23.00 2.80 3.38 3230.95 10148.38 19:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:06 8644328 12413896 3543020 21.64 154716 3722408 3562344 20.45 786324 6538728 15236 19:30:01 6660912 11407412 4545468 27.76 170140 4640668 4435420 25.46 1058056 8202480 380 Average: 7652620 11910654 4044244 24.70 162428 4181538 3998882 22.95 922190 7370604 7808 19:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:06 lo 1176.80 1176.80 1114.28 1114.28 0.00 0.00 0.00 0.00 19:20:06 ens3 44.44 35.01 25.06 11.65 0.00 0.00 0.00 0.00 19:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1170.67 1170.67 1109.86 1109.86 0.00 0.00 0.00 0.00 19:30:01 ens3 40.21 31.96 48.59 10.96 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1173.75 1173.75 1112.08 1112.08 0.00 0.00 0.00 0.00 Average: ens3 42.33 33.49 36.78 11.31 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-52829) 03/25/26 _x86_64_ (4 CPU) 19:01:27 LINUX RESTART (4 CPU) 19:10:06 CPU %user %nice %system %iowait %steal %idle 19:20:06 all 66.75 0.00 2.26 0.05 0.10 30.85 19:20:06 0 66.86 0.00 2.39 0.02 0.11 30.62 19:20:06 1 66.40 0.00 2.03 0.04 0.10 31.43 19:20:06 2 67.17 0.00 2.19 0.07 0.10 30.47 19:20:06 3 66.55 0.00 2.41 0.06 0.10 30.88 19:30:01 all 55.71 0.00 2.30 0.18 0.11 41.72 19:30:01 0 57.28 0.00 2.57 0.41 0.11 39.62 19:30:01 1 56.15 0.00 2.26 0.08 0.11 41.41 19:30:01 2 55.08 0.00 2.24 0.14 0.11 42.43 19:30:01 3 54.31 0.00 2.11 0.08 0.10 43.39 Average: all 61.25 0.00 2.28 0.11 0.10 36.26 Average: 0 62.09 0.00 2.48 0.22 0.11 35.10 Average: 1 61.30 0.00 2.14 0.06 0.10 36.40 Average: 2 61.15 0.00 2.22 0.10 0.10 36.43 Average: 3 60.46 0.00 2.26 0.07 0.10 37.11