---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7923 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: 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 618 10722 4 4648 15028 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:fb:1b:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84863sec preferred_lft 84863sec inet6 fe80::f816:3eff:fefb:1bf0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:03:c6:16:58:a2 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-7923) 02/05/26 _x86_64_ (4 CPU) 12:54:59 LINUX RESTART (4 CPU) 13:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:00 4.09 0.11 3.81 0.18 8.88 603.97 33.67 13:20:00 22.95 0.63 20.32 2.00 30.76 4021.79 7565.89 Average: 13.52 0.37 12.06 1.09 19.82 2312.88 3799.78 13:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:00 9850484 12737596 3226632 19.71 109256 2947260 3485108 20.00 485244 5709260 1272 13:20:00 11031896 15434072 524224 3.20 130952 4382172 1049620 6.02 851208 4085124 608520 Average: 10441190 14085834 1875428 11.45 120104 3664716 2267364 13.01 668226 4897192 304896 13:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:00 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 13:10:00 ens3 10.42 8.50 50.35 2.29 0.00 0.00 0.00 0.00 13:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:00 lo 478.93 478.93 455.40 455.40 0.00 0.00 0.00 0.00 13:20:00 ens3 48.04 35.34 486.23 17.07 0.00 0.00 0.00 0.00 13:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 239.78 239.78 227.89 227.89 0.00 0.00 0.00 0.00 Average: ens3 29.23 21.92 268.29 9.68 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-7923) 02/05/26 _x86_64_ (4 CPU) 12:54:59 LINUX RESTART (4 CPU) 13:00:00 CPU %user %nice %system %iowait %steal %idle 13:10:00 all 48.34 0.00 0.74 0.39 0.09 50.44 13:10:00 0 57.63 0.00 0.62 0.07 0.10 41.57 13:10:00 1 49.23 0.00 0.87 0.54 0.09 49.26 13:10:00 2 48.05 0.00 0.69 0.12 0.09 51.05 13:10:00 3 38.43 0.00 0.80 0.81 0.10 59.87 13:20:00 all 50.96 0.00 1.46 0.30 0.10 47.17 13:20:00 0 40.32 0.00 1.53 0.21 0.10 57.84 13:20:00 1 58.79 0.00 1.54 0.59 0.10 38.98 13:20:00 2 59.87 0.00 1.31 0.11 0.10 38.61 13:20:00 3 44.92 0.00 1.48 0.30 0.09 53.22 Average: all 49.65 0.00 1.10 0.34 0.10 48.80 Average: 0 48.96 0.00 1.08 0.14 0.10 49.72 Average: 1 54.02 0.00 1.21 0.56 0.09 44.12 Average: 2 53.97 0.00 1.00 0.12 0.09 44.83 Average: 3 41.67 0.00 1.14 0.56 0.09 56.54