---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7610 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 674 8815 4 6498 14972 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:77:86:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.242/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84023sec preferred_lft 84023sec inet6 fe80::f816:3eff:fe77:86ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:52:fd:e4:ea:d8 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-7610) 02/04/26 _x86_64_ (4 CPU) 05:21:42 LINUX RESTART (4 CPU) 05:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:07 30.35 2.21 24.98 3.16 106.82 3262.23 6252.77 05:50:17 47.49 0.01 30.29 17.19 0.33 2613.62 243081.77 06:00:17 13.52 0.14 12.07 1.31 6.53 8434.44 31874.71 Average: 30.55 0.78 22.48 7.30 37.27 4766.28 95129.76 05:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:07 8869100 12427820 3530944 21.57 135448 3553080 3729260 21.41 802708 6324056 8024 05:50:17 8581772 12615468 3339680 20.40 159128 3969464 3511396 20.16 934872 6443888 41184 06:00:17 9064348 15358080 589104 3.60 175328 6141104 1098052 6.30 1727492 5055312 24 Average: 8838407 13467123 2486576 15.19 156635 4554549 2779569 15.95 1155024 5941085 16411 05:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:07 lo 1431.38 1431.38 1356.31 1356.31 0.00 0.00 0.00 0.00 05:40:07 ens3 81.99 59.62 464.68 16.02 0.00 0.00 0.00 0.00 05:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:17 lo 1428.33 1428.33 1360.27 1360.27 0.00 0.00 0.00 0.00 05:50:17 ens3 41.27 33.04 40.85 12.39 0.00 0.00 0.00 0.00 05:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:17 lo 246.81 246.81 6840.77 6840.77 0.00 0.00 0.00 0.00 06:00:17 ens3 83.03 91.57 115.90 1024.41 0.00 0.00 0.00 0.00 06:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1035.49 1035.49 3185.81 3185.81 0.00 0.00 0.00 0.00 Average: ens3 68.53 61.25 204.65 350.92 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-7610) 02/04/26 _x86_64_ (4 CPU) 05:21:42 LINUX RESTART (4 CPU) 05:30:17 CPU %user %nice %system %iowait %steal %idle 05:40:07 all 67.98 0.00 2.76 0.09 0.12 29.06 05:40:07 0 67.12 0.00 2.79 0.09 0.12 29.89 05:40:07 1 69.06 0.00 2.94 0.17 0.12 27.71 05:40:07 2 68.54 0.00 2.72 0.05 0.11 28.58 05:40:07 3 67.19 0.00 2.60 0.06 0.12 30.04 05:50:17 all 62.20 0.00 2.66 0.22 0.12 34.80 05:50:17 0 62.01 0.00 2.77 0.15 0.11 34.96 05:50:17 1 64.51 0.00 2.88 0.22 0.12 32.27 05:50:17 2 61.33 0.00 2.45 0.19 0.12 35.91 05:50:17 3 60.95 0.00 2.56 0.31 0.11 36.08 06:00:17 all 30.54 0.00 0.97 0.30 0.09 68.10 06:00:17 0 32.37 0.00 1.09 0.01 0.09 66.45 06:00:17 1 23.60 0.00 0.99 0.51 0.09 74.82 06:00:17 2 32.60 0.00 1.04 0.56 0.10 65.69 06:00:17 3 33.59 0.00 0.77 0.12 0.08 65.44 Average: all 53.51 0.00 2.13 0.20 0.11 44.05 Average: 0 53.77 0.00 2.21 0.08 0.10 43.83 Average: 1 52.33 0.00 2.27 0.30 0.11 44.99 Average: 2 54.10 0.00 2.07 0.27 0.11 43.45 Average: 3 53.85 0.00 1.97 0.16 0.10 43.91