---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6810 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 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 684 8642 4 6662 14962 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:28:03:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84186sec preferred_lft 84186sec inet6 fe80::f816:3eff:fe28:304/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:33:44:e0:90:89 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-6810) 02/01/26 _x86_64_ (4 CPU) 19:03:20 LINUX RESTART (4 CPU) 19:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 25.92 0.40 22.43 3.09 19.53 2857.91 8009.04 19:30:03 32.07 0.00 28.72 3.35 0.08 3092.62 15886.25 19:40:03 15.51 0.19 13.33 1.99 12.81 7640.45 3570.24 Average: 24.51 0.20 21.50 2.81 10.79 4530.54 9162.40 19:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 9133092 12883844 3074004 18.77 140332 3732028 3244324 18.62 884440 5971848 22508 19:30:03 7411404 12241180 3711584 22.67 159492 4743104 3736900 21.45 1186156 7335676 487692 19:40:03 8868840 15334552 612740 3.74 177376 6307908 1125600 6.46 1813728 5191884 12260 Average: 8471112 13486525 2466109 15.06 159067 4927680 2702275 15.51 1294775 6166469 174153 19:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 1487.80 1487.80 1411.20 1411.20 0.00 0.00 0.00 0.00 19:20:01 ens3 51.25 41.31 61.04 13.58 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:03 lo 1319.46 1319.46 1256.13 1256.13 0.00 0.00 0.00 0.00 19:30:03 ens3 52.82 39.41 34.89 13.97 0.00 0.00 0.00 0.00 19:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:03 lo 247.12 247.12 6840.09 6840.09 0.00 0.00 0.00 0.00 19:40:03 ens3 89.21 99.07 116.48 1062.22 0.00 0.00 0.00 0.00 19:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1017.97 1017.97 3169.00 3169.00 0.00 0.00 0.00 0.00 Average: ens3 64.43 59.93 70.78 363.26 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-6810) 02/01/26 _x86_64_ (4 CPU) 19:03:20 LINUX RESTART (4 CPU) 19:10:03 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 67.77 0.00 2.46 0.27 0.10 29.39 19:20:01 0 66.71 0.00 2.43 0.14 0.11 30.61 19:20:01 1 68.55 0.00 2.42 0.17 0.09 28.77 19:20:01 2 65.98 0.00 2.30 0.39 0.10 31.24 19:20:01 3 69.83 0.00 2.72 0.39 0.10 26.96 19:30:03 all 60.85 0.00 2.50 0.20 0.10 36.36 19:30:03 0 61.25 0.00 2.73 0.38 0.10 35.54 19:30:03 1 60.81 0.00 2.67 0.14 0.10 36.28 19:30:03 2 61.69 0.00 2.18 0.15 0.10 35.88 19:30:03 3 59.65 0.00 2.41 0.12 0.10 37.72 19:40:03 all 27.41 0.00 0.97 4.35 0.08 67.18 19:40:03 0 30.47 0.00 0.86 4.88 0.10 63.69 19:40:03 1 23.50 0.00 1.00 7.02 0.07 68.41 19:40:03 2 25.83 0.00 1.11 0.19 0.07 72.80 19:40:03 3 29.85 0.00 0.93 5.32 0.07 63.83 Average: all 51.98 0.00 1.98 1.61 0.09 44.34 Average: 0 52.78 0.00 2.00 1.80 0.10 43.31 Average: 1 50.92 0.00 2.03 2.45 0.09 44.51 Average: 2 51.14 0.00 1.86 0.24 0.09 46.67 Average: 3 53.08 0.00 2.02 1.95 0.09 42.86