---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7343 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 642 8705 4 6641 15004 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:55:f4:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.194/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84114sec preferred_lft 84114sec inet6 fe80::f816:3eff:fe55:f4bc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:c1:4d:1c:25:bb 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-7343) 02/03/26 _x86_64_ (4 CPU) 05:23:20 LINUX RESTART (4 CPU) 05:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:10 23.12 0.39 19.92 2.81 18.85 2205.16 14080.27 05:50:10 31.85 0.00 28.43 3.42 0.55 2436.56 23886.15 06:00:11 27.11 0.14 11.66 15.31 6.96 8536.36 275413.12 Average: 27.36 0.18 20.00 7.18 8.79 4392.78 104463.47 05:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:10 8728488 12637672 3319912 20.28 140032 3885496 3465040 19.89 898028 6355348 190708 05:50:10 8701924 12837732 3116944 19.04 159800 4071520 3211040 18.43 987904 6242244 36808 06:00:11 8931944 15371796 574664 3.51 176300 6283696 1131396 6.49 1792888 5116368 8 Average: 8787452 13615733 2337173 14.27 158711 4746904 2602492 14.94 1226273 5904653 75841 05:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:10 lo 1410.09 1410.09 1337.16 1337.16 0.00 0.00 0.00 0.00 05:40:10 ens3 51.33 40.50 70.90 13.47 0.00 0.00 0.00 0.00 05:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:10 lo 1395.21 1395.21 1328.73 1328.73 0.00 0.00 0.00 0.00 05:50:10 ens3 32.87 27.98 34.58 10.34 0.00 0.00 0.00 0.00 05:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:11 lo 249.48 249.48 6832.42 6832.42 0.00 0.00 0.00 0.00 06:00:11 ens3 75.12 85.57 117.85 1005.62 0.00 0.00 0.00 0.00 06:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1018.24 1018.24 3166.23 3166.23 0.00 0.00 0.00 0.00 Average: ens3 53.11 51.35 74.45 343.17 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-7343) 02/03/26 _x86_64_ (4 CPU) 05:23:20 LINUX RESTART (4 CPU) 05:30:09 CPU %user %nice %system %iowait %steal %idle 05:40:10 all 68.66 0.00 2.64 0.08 0.10 28.52 05:40:10 0 68.48 0.00 2.51 0.06 0.10 28.85 05:40:10 1 70.13 0.00 2.85 0.09 0.10 26.84 05:40:10 2 68.69 0.00 2.89 0.08 0.09 28.25 05:40:10 3 67.34 0.00 2.32 0.10 0.10 30.14 05:50:10 all 64.15 0.00 2.74 0.12 0.09 32.90 05:50:10 0 65.29 0.00 2.59 0.05 0.10 31.97 05:50:10 1 63.06 0.00 2.79 0.21 0.09 33.85 05:50:10 2 65.04 0.00 2.98 0.11 0.09 31.78 05:50:10 3 63.21 0.00 2.59 0.12 0.09 33.98 06:00:11 all 35.23 0.00 1.11 0.24 0.07 63.35 06:00:11 0 31.80 0.00 0.94 0.47 0.08 66.72 06:00:11 1 32.31 0.00 1.26 0.04 0.08 66.30 06:00:11 2 39.28 0.00 1.16 0.16 0.07 59.32 06:00:11 3 37.55 0.00 1.07 0.26 0.07 61.05 Average: all 55.99 0.00 2.16 0.15 0.09 41.61 Average: 0 55.17 0.00 2.01 0.19 0.09 42.54 Average: 1 55.13 0.00 2.30 0.11 0.09 42.37 Average: 2 57.65 0.00 2.34 0.11 0.08 39.80 Average: 3 56.02 0.00 2.00 0.16 0.09 41.73