---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9457 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 623 8852 4 6514 15023 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:df:c2:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84096sec preferred_lft 84096sec inet6 fe80::f816:3eff:fedf:c249/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:c8:2b:44:30:74 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-9457) 02/11/26 _x86_64_ (4 CPU) 09:34:18 LINUX RESTART (4 CPU) 09:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:00 46.47 2.47 27.47 16.53 148.21 3865.80 249741.16 10:00:07 29.19 0.00 26.17 3.02 0.09 2376.36 18537.64 10:10:06 16.87 0.13 14.97 1.77 6.51 9054.35 40696.22 Average: 30.77 0.86 22.86 7.05 50.96 5092.30 101986.33 09:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:00 9692928 13222488 2736032 16.71 135796 3523620 3102948 17.81 745428 5555328 24144 10:00:07 8690928 12718480 3236344 19.77 155556 3966052 3345888 19.21 861452 6401004 139200 10:10:06 9050984 15360204 586484 3.58 172480 6158308 1090976 6.26 1672360 5114816 40 Average: 9144947 13767057 2186287 13.35 154611 4549327 2513271 14.43 1093080 5690383 54461 09:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:00 lo 1605.14 1605.14 1523.09 1523.09 0.00 0.00 0.00 0.00 09:50:00 ens3 89.47 65.78 504.19 16.75 0.00 0.00 0.00 0.00 09:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:07 lo 1496.89 1496.89 1426.04 1426.04 0.00 0.00 0.00 0.00 10:00:07 ens3 36.35 28.68 25.31 10.86 0.00 0.00 0.00 0.00 10:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:06 lo 357.18 357.18 6952.99 6952.99 0.00 0.00 0.00 0.00 10:10:06 ens3 68.43 76.64 112.49 945.06 0.00 0.00 0.00 0.00 10:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1152.61 1152.61 3300.23 3300.23 0.00 0.00 0.00 0.00 Average: ens3 64.52 56.87 211.91 324.19 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-9457) 02/11/26 _x86_64_ (4 CPU) 09:34:18 LINUX RESTART (4 CPU) 09:40:08 CPU %user %nice %system %iowait %steal %idle 09:50:00 all 71.53 0.00 2.74 0.09 0.09 25.56 09:50:00 0 71.26 0.00 2.43 0.06 0.09 26.17 09:50:00 1 70.64 0.00 2.79 0.12 0.09 26.36 09:50:00 2 72.25 0.00 3.16 0.09 0.09 24.41 09:50:00 3 71.96 0.00 2.57 0.09 0.09 25.29 10:00:07 all 64.07 0.00 2.72 0.08 0.08 33.05 10:00:07 0 66.24 0.00 3.10 0.06 0.08 30.52 10:00:07 1 63.99 0.00 2.70 0.07 0.08 33.16 10:00:07 2 63.11 0.00 2.63 0.08 0.08 34.11 10:00:07 3 62.96 0.00 2.44 0.11 0.08 34.41 10:10:06 all 37.76 0.00 1.32 0.17 0.07 60.68 10:10:06 0 38.63 0.00 1.22 0.12 0.08 59.95 10:10:06 1 43.03 0.00 1.25 0.09 0.07 55.56 10:10:06 2 29.30 0.00 1.33 0.17 0.08 69.13 10:10:06 3 40.09 0.00 1.47 0.30 0.07 58.07 Average: all 57.74 0.00 2.26 0.11 0.08 39.81 Average: 0 58.68 0.00 2.25 0.08 0.08 38.91 Average: 1 59.18 0.00 2.25 0.09 0.08 38.40 Average: 2 54.82 0.00 2.37 0.11 0.08 42.61 Average: 3 58.29 0.00 2.16 0.17 0.08 39.30