---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20713 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 12G 66G 16% / 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 649 8894 4 6445 14997 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:4d:a6:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84212sec preferred_lft 84212sec inet6 fe80::f816:3eff:fe4d:a634/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:0e:b2:1c:43:49 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-20713) 02/25/26 _x86_64_ (4 CPU) 18:29:33 LINUX RESTART (4 CPU) 18:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:01 74.56 10.81 48.28 15.47 1381.53 5850.44 242968.18 18:50:18 28.08 0.02 24.89 3.17 0.31 2236.10 8546.41 19:00:18 21.80 0.02 19.76 2.02 0.68 4181.58 31874.08 Average: 41.37 3.59 30.93 6.85 456.89 4072.67 93715.69 18:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:01 10398480 13722692 2238776 13.67 125560 3340776 2480544 14.24 611600 4999336 128812 18:50:18 9451500 13103472 2853680 17.43 148300 3614000 2922320 16.77 739652 5770804 32096 19:00:18 5912160 10548184 5404784 33.01 159872 4544832 5201724 29.86 1018716 8982944 36 Average: 8587380 12458116 3499080 21.37 144577 3833203 3534863 20.29 789989 6584361 53648 18:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:01 lo 772.30 772.30 734.28 734.28 0.00 0.00 0.00 0.00 18:40:01 ens3 168.20 127.53 1275.53 25.34 0.00 0.00 0.00 0.00 18:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:18 lo 1584.51 1584.51 1504.81 1504.81 0.00 0.00 0.00 0.00 18:50:18 ens3 36.59 30.50 15.83 10.86 0.00 0.00 0.00 0.00 18:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:18 lo 893.22 893.22 5315.22 5315.22 0.00 0.00 0.00 0.00 19:00:18 ens3 33.15 25.57 25.72 8.79 0.00 0.00 0.00 0.00 19:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1087.93 1087.93 2507.85 2507.85 0.00 0.00 0.00 0.00 Average: ens3 78.95 60.94 435.39 14.96 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-20713) 02/25/26 _x86_64_ (4 CPU) 18:29:33 LINUX RESTART (4 CPU) 18:30:00 CPU %user %nice %system %iowait %steal %idle 18:40:01 all 37.58 0.00 1.77 0.38 0.07 60.21 18:40:01 0 38.46 0.00 1.73 0.46 0.07 59.27 18:40:01 1 37.17 0.00 2.05 0.48 0.07 60.24 18:40:01 2 36.96 0.00 1.75 0.33 0.06 60.91 18:40:01 3 37.74 0.00 1.55 0.24 0.07 60.40 18:50:18 all 66.72 0.00 2.42 0.07 0.09 30.69 18:50:18 0 66.74 0.00 2.43 0.09 0.09 30.65 18:50:18 1 65.47 0.00 2.50 0.08 0.09 31.85 18:50:18 2 66.67 0.00 2.47 0.09 0.09 30.68 18:50:18 3 67.98 0.00 2.31 0.02 0.10 29.59 19:00:18 all 52.26 0.00 1.84 0.11 0.09 45.70 19:00:18 0 51.86 0.00 1.84 0.12 0.09 46.10 19:00:18 1 56.19 0.00 1.95 0.19 0.09 41.58 19:00:18 2 51.75 0.00 2.06 0.10 0.09 46.00 19:00:18 3 49.25 0.00 1.49 0.03 0.09 49.14 Average: all 52.31 0.00 2.01 0.18 0.08 45.41 Average: 0 52.48 0.00 2.01 0.22 0.08 45.21 Average: 1 53.05 0.00 2.17 0.25 0.08 44.45 Average: 2 51.92 0.00 2.09 0.17 0.08 45.74 Average: 3 51.80 0.00 1.79 0.10 0.08 46.23