---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6867 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 687 10310 4 4991 14959 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:23:8e:d7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.97/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84665sec preferred_lft 84665sec inet6 fe80::f816:3eff:fe23:8ed7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:f2:c1:fc:c6:91 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-6867) 02/02/26 _x86_64_ (4 CPU) 00:32:11 LINUX RESTART (4 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 11.67 0.50 10.02 1.14 17.00 2383.95 2759.98 01:00:02 43.28 0.62 25.25 17.41 22.48 4133.06 241096.27 Average: 27.48 0.56 17.64 9.28 19.74 3258.79 121967.79 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 9997000 13741856 2215244 13.53 144968 3701968 2737484 15.71 832576 5141568 95360 01:00:02 10618060 15368236 581488 3.55 169296 4617340 1111188 6.38 1105328 4154492 212 Average: 10307530 14555046 1398366 8.54 157132 4159654 1924336 11.05 968952 4648030 47786 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 00:50:01 ens3 69.69 54.42 140.19 17.70 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:02 lo 1562.20 1562.20 1476.09 1476.09 0.00 0.00 0.00 0.00 01:00:02 ens3 114.72 101.83 415.74 166.96 0.00 0.00 0.00 0.00 01:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 782.04 782.04 738.36 738.36 0.00 0.00 0.00 0.00 Average: ens3 92.21 78.13 278.01 92.35 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-6867) 02/02/26 _x86_64_ (4 CPU) 00:32:11 LINUX RESTART (4 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 73.21 0.00 2.21 0.71 0.11 23.76 00:50:01 0 73.80 0.00 2.74 1.43 0.11 21.92 00:50:01 1 73.69 0.00 2.37 1.25 0.11 22.59 00:50:01 2 73.44 0.00 2.02 0.09 0.11 24.35 00:50:01 3 71.93 0.00 1.71 0.07 0.11 26.19 01:00:02 all 53.39 0.00 2.23 0.17 0.09 44.12 01:00:02 0 48.93 0.00 1.84 0.20 0.09 48.94 01:00:02 1 54.00 0.00 2.26 0.14 0.09 43.51 01:00:02 2 53.45 0.00 2.21 0.22 0.09 44.02 01:00:02 3 57.19 0.00 2.62 0.11 0.10 39.99 Average: all 63.30 0.00 2.22 0.44 0.10 33.94 Average: 0 61.34 0.00 2.29 0.82 0.10 35.45 Average: 1 63.85 0.00 2.32 0.69 0.10 33.04 Average: 2 63.44 0.00 2.11 0.15 0.10 34.19 Average: 3 64.56 0.00 2.16 0.09 0.10 33.09