---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15998 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 635 10361 4 4991 15011 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:25:07:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84852sec preferred_lft 84852sec inet6 fe80::f816:3eff:fe25:75b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:75:12:26:a8:5d 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-15998) 02/19/26 _x86_64_ (4 CPU) 10:16:52 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:12 20.94 0.63 6.77 13.54 420.92 1487.39 247318.59 10:40:12 14.16 0.54 12.65 0.97 19.58 2015.82 8696.45 Average: 17.58 0.59 9.68 7.32 222.23 1749.00 129185.19 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:12 8066292 11247796 4713980 28.79 117336 3225944 4877796 28.00 625140 7333992 304 10:40:12 9885556 13587896 2369964 14.47 140292 3692576 2850060 16.36 805464 5292068 90628 Average: 8975924 12417846 3541972 21.63 128814 3459260 3863928 22.18 715302 6313030 45466 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:12 lo 0.64 0.64 0.38 0.38 0.00 0.00 0.00 0.00 10:30:12 ens3 27.85 19.64 282.52 3.09 0.00 0.00 0.00 0.00 10:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:12 lo 254.20 254.20 241.83 241.83 0.00 0.00 0.00 0.00 10:40:12 ens3 36.45 27.65 409.82 3.92 0.00 0.00 0.00 0.00 10:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 126.17 126.17 119.91 119.91 0.00 0.00 0.00 0.00 Average: ens3 32.11 23.61 345.54 3.50 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-15998) 02/19/26 _x86_64_ (4 CPU) 10:16:52 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:12 all 49.09 0.00 0.81 0.11 0.07 49.92 10:30:12 0 43.34 0.00 0.83 0.07 0.07 55.68 10:30:12 1 45.42 0.00 0.88 0.26 0.08 53.37 10:30:12 2 65.32 0.00 0.98 0.09 0.07 33.54 10:30:12 3 42.30 0.00 0.53 0.02 0.07 57.08 10:40:12 all 50.72 0.00 1.07 0.04 0.07 48.11 10:40:12 0 56.54 0.00 0.83 0.04 0.07 42.52 10:40:12 1 43.00 0.00 0.98 0.07 0.07 55.88 10:40:12 2 53.18 0.00 1.24 0.03 0.07 45.47 10:40:12 3 50.16 0.00 1.20 0.03 0.07 48.55 Average: all 49.90 0.00 0.93 0.07 0.07 49.02 Average: 0 49.88 0.00 0.83 0.05 0.07 49.17 Average: 1 44.22 0.00 0.93 0.16 0.07 54.61 Average: 2 59.31 0.00 1.11 0.06 0.07 39.45 Average: 3 46.19 0.00 0.86 0.02 0.07 52.85