---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7498 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 67G 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 678 10262 4 5047 14968 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:42:d3:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.0/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84657sec preferred_lft 84657sec inet6 fe80::f816:3eff:fe42:d3d1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:99:f3:22:b4:36 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-7498) 02/03/26 _x86_64_ (4 CPU) 23:19:47 LINUX RESTART (4 CPU) 23:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:30:04 52.62 11.28 39.72 1.62 2069.76 8897.00 24197.57 23:40:35 17.54 0.81 15.09 1.64 26.94 3473.47 3182.16 Average: 34.67 5.92 27.12 1.63 1024.92 6123.04 13448.85 23:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:30:04 11019528 14296204 1664956 10.17 120176 3310228 2036340 11.69 689268 4319168 25632 23:40:35 9030816 13356644 2594964 15.85 167476 4217352 2799128 16.07 953088 5930552 11588 Average: 10025172 13826424 2129960 13.01 143826 3763790 2417734 13.88 821178 5124860 18610 23:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:30:04 lo 0.96 0.96 0.12 0.12 0.00 0.00 0.00 0.00 23:30:04 ens3 131.82 94.11 1141.87 19.21 0.00 0.00 0.00 0.00 23:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:35 lo 461.11 461.11 438.53 438.53 0.00 0.00 0.00 0.00 23:40:35 ens3 71.47 54.39 346.18 17.43 0.00 0.00 0.00 0.00 23:40:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 236.31 236.31 224.36 224.36 0.00 0.00 0.00 0.00 Average: ens3 100.95 73.80 734.90 18.30 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-7498) 02/03/26 _x86_64_ (4 CPU) 23:19:47 LINUX RESTART (4 CPU) 23:20:00 CPU %user %nice %system %iowait %steal %idle 23:30:04 all 32.86 0.00 1.56 0.68 0.08 64.82 23:30:04 0 33.29 0.00 1.60 0.42 0.07 64.62 23:30:04 1 33.11 0.00 1.56 1.05 0.08 64.21 23:30:04 2 31.96 0.00 1.39 0.84 0.08 65.73 23:30:04 3 33.07 0.00 1.70 0.42 0.08 64.74 23:40:35 all 70.50 0.00 2.50 0.05 0.12 26.82 23:40:35 0 70.81 0.00 2.62 0.06 0.12 26.38 23:40:35 1 70.87 0.00 2.41 0.04 0.12 26.55 23:40:35 2 70.18 0.00 2.70 0.06 0.12 26.93 23:40:35 3 70.15 0.00 2.26 0.04 0.12 27.43 Average: all 52.09 0.00 2.04 0.36 0.10 45.41 Average: 0 52.46 0.00 2.12 0.24 0.10 45.08 Average: 1 52.37 0.00 2.00 0.53 0.10 44.99 Average: 2 51.48 0.00 2.06 0.44 0.10 45.91 Average: 3 52.04 0.00 1.99 0.22 0.10 45.65