---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8760 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 67G 15% / 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 716 9505 4 5767 14930 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:f8:f2:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.44/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84058sec preferred_lft 84058sec inet6 fe80::f816:3eff:fef8:f223/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:25:09:4e:44:17 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-8760) 02/08/26 _x86_64_ (4 CPU) 20:24:24 LINUX RESTART (4 CPU) 20:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:11 21.05 0.44 18.54 2.07 15.43 4446.79 4782.26 20:50:11 52.65 0.00 42.50 10.15 0.00 2572.52 18806.16 21:00:00 27.36 0.14 22.70 4.52 6.58 4695.24 11189.21 Average: 33.68 0.19 27.91 5.58 7.37 3901.90 11568.47 20:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:11 9061892 13234200 2718164 16.60 182192 4051752 3035976 17.43 815940 6048344 107556 20:50:11 8611880 13101028 2847736 17.39 207832 4311712 3138492 18.01 901108 6376760 98848 21:00:00 9840160 15377932 566588 3.46 238664 5273624 1110920 6.38 1274816 4685440 16 Average: 9171311 13904387 2044163 12.48 209563 4545696 2428463 13.94 997288 5703515 68807 20:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:11 lo 804.45 804.45 766.05 766.05 0.00 0.00 0.00 0.00 20:40:11 ens3 76.37 56.92 297.29 18.02 0.00 0.00 0.00 0.00 20:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:11 lo 5473.72 5473.72 5217.29 5217.29 0.00 0.00 0.00 0.00 20:50:11 ens3 69.72 52.06 26.46 19.78 0.00 0.00 0.00 0.00 20:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:00 lo 1867.22 1867.22 1767.20 1767.20 0.00 0.00 0.00 0.00 21:00:00 ens3 94.07 89.74 114.91 159.54 0.00 0.00 0.00 0.00 21:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2713.09 2713.09 2581.64 2581.64 0.00 0.00 0.00 0.00 Average: ens3 79.95 66.05 147.01 64.99 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-8760) 02/08/26 _x86_64_ (4 CPU) 20:24:24 LINUX RESTART (4 CPU) 20:30:04 CPU %user %nice %system %iowait %steal %idle 20:40:11 all 67.11 0.00 2.86 0.07 0.11 29.85 20:40:11 0 67.84 0.00 2.99 0.08 0.11 28.99 20:40:11 1 66.05 0.00 2.89 0.08 0.11 30.87 20:40:11 2 66.56 0.00 2.88 0.06 0.10 30.39 20:40:11 3 68.00 0.00 2.69 0.07 0.11 29.13 20:50:11 all 60.86 0.00 4.34 0.14 0.10 34.56 20:50:11 0 59.36 0.00 4.07 0.23 0.10 36.24 20:50:11 1 62.77 0.00 5.10 0.08 0.10 31.96 20:50:11 2 61.30 0.00 4.04 0.11 0.10 34.44 20:50:11 3 60.04 0.00 4.15 0.12 0.10 35.59 21:00:00 all 44.77 0.00 2.38 0.14 0.09 52.61 21:00:00 0 42.40 0.00 2.42 0.12 0.09 54.98 21:00:00 1 43.92 0.00 2.09 0.10 0.10 53.78 21:00:00 2 48.31 0.00 2.39 0.21 0.09 48.99 21:00:00 3 44.47 0.00 2.63 0.13 0.09 52.69 Average: all 57.70 0.00 3.20 0.12 0.10 38.89 Average: 0 56.66 0.00 3.16 0.14 0.10 39.94 Average: 1 57.69 0.00 3.36 0.09 0.10 38.75 Average: 2 58.82 0.00 3.11 0.13 0.10 37.85 Average: 3 57.62 0.00 3.16 0.11 0.10 39.01