---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22391 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 9.6G 68G 13% / 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 623 11472 4 3893 15023 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:01:e4:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83204sec preferred_lft 83204sec inet6 fe80::f816:3eff:fe01:e4ed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:16:70:d4:22:01 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-22391) 02/26/26 _x86_64_ (4 CPU) 13:07:04 LINUX RESTART (4 CPU) 13:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:02 1.48 0.04 1.43 0.01 1.80 18.57 0.73 13:30:01 1.09 0.01 1.08 0.00 0.04 13.40 0.00 13:40:01 1.10 0.00 1.10 0.00 0.00 13.46 0.00 13:50:02 42.91 5.08 35.32 2.51 282.54 5431.23 4275.91 14:00:02 39.56 0.10 22.53 16.93 11.81 2098.96 247158.33 Average: 17.24 1.05 12.31 3.89 59.34 1517.06 50278.05 13:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:02 13802060 15529904 489284 2.99 53708 1901380 1127700 6.47 192724 2133448 168 13:30:01 13801556 15529872 489352 2.99 54056 1901520 1127764 6.47 193052 2134608 212 13:40:01 13789520 15518236 500968 3.06 54416 1901524 1127876 6.47 193436 2143320 196 13:50:02 9945536 13224472 2735688 16.71 130876 3288968 2869652 16.47 618916 5447140 34296 14:00:02 11825464 15455984 502016 3.07 147884 3595864 1021516 5.86 733908 3423552 27312 Average: 12632827 15051694 943462 5.76 88188 2517851 1454902 8.35 386407 3056414 12437 13:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:02 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 13:20:02 ens3 0.83 0.18 0.20 0.10 0.00 0.00 0.00 0.00 13:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:30:01 ens3 0.48 0.09 0.06 0.02 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:40:01 ens3 1.42 1.02 0.35 0.93 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:02 lo 1059.21 1059.21 1003.06 1003.06 0.00 0.00 0.00 0.00 13:50:02 ens3 128.56 94.36 1170.70 17.46 0.00 0.00 0.00 0.00 13:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:02 lo 1204.62 1204.62 1147.07 1147.07 0.00 0.00 0.00 0.00 14:00:02 ens3 22.94 19.96 11.77 6.76 0.00 0.00 0.00 0.00 14:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 453.17 453.17 430.36 430.36 0.00 0.00 0.00 0.00 Average: ens3 30.89 23.16 237.05 5.06 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-22391) 02/26/26 _x86_64_ (4 CPU) 13:07:04 LINUX RESTART (4 CPU) 13:10:01 CPU %user %nice %system %iowait %steal %idle 13:20:02 all 0.16 0.00 0.06 0.16 0.01 99.62 13:20:02 0 0.04 0.00 0.06 0.09 0.01 99.80 13:20:02 1 0.27 0.00 0.05 0.00 0.01 99.67 13:20:02 2 0.24 0.00 0.09 0.17 0.01 99.49 13:20:02 3 0.07 0.00 0.03 0.39 0.01 99.50 13:30:01 all 0.13 0.00 0.02 0.02 0.01 99.81 13:30:01 0 0.03 0.00 0.03 0.03 0.01 99.89 13:30:01 1 0.45 0.00 0.03 0.00 0.01 99.51 13:30:01 2 0.02 0.00 0.02 0.00 0.00 99.96 13:30:01 3 0.03 0.00 0.02 0.06 0.01 99.88 13:40:01 all 0.07 0.00 0.03 0.01 0.12 99.78 13:40:01 0 0.03 0.00 0.02 0.01 0.11 99.83 13:40:01 1 0.09 0.00 0.03 0.04 0.11 99.73 13:40:01 2 0.04 0.00 0.02 0.00 0.21 99.72 13:40:01 3 0.11 0.00 0.03 0.00 0.04 99.82 13:50:02 all 50.49 0.00 2.24 0.46 0.17 46.64 13:50:02 0 51.35 0.00 2.33 0.24 0.13 45.95 13:50:02 1 48.26 0.00 2.15 0.16 0.13 49.30 13:50:02 2 52.13 0.00 2.18 0.52 0.14 45.03 13:50:02 3 50.24 0.00 2.29 0.92 0.27 46.28 14:00:02 all 63.56 0.00 2.36 0.23 0.15 33.70 14:00:02 0 63.42 0.00 2.39 0.12 0.21 33.86 14:00:02 1 64.67 0.00 2.26 0.40 0.13 32.55 14:00:02 2 61.98 0.00 2.20 0.29 0.13 35.39 14:00:02 3 64.18 0.00 2.59 0.12 0.13 32.99 Average: all 22.85 0.00 0.94 0.18 0.09 75.94 Average: 0 22.94 0.00 0.96 0.10 0.10 75.90 Average: 1 22.73 0.00 0.90 0.12 0.08 76.17 Average: 2 22.83 0.00 0.90 0.20 0.10 75.97 Average: 3 22.90 0.00 0.99 0.30 0.09 75.72