---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20157 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 639 8894 4 6454 15006 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:24:e5:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84545sec preferred_lft 84545sec inet6 fe80::f816:3eff:fe24:e5c7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:ca:bf:10:e0:e0 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-20157) 02/23/26 _x86_64_ (4 CPU) 10:39:20 LINUX RESTART (4 CPU) 10:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:01 34.48 4.22 27.73 2.53 413.96 5314.13 6799.93 11:00:08 25.69 0.03 22.75 2.91 0.47 2173.58 13245.96 11:10:10 33.31 0.19 29.37 3.75 12.79 9128.87 9648.80 Average: 31.13 1.46 26.60 3.06 140.53 5530.01 9924.84 10:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:01 10047888 13392428 2568332 15.69 128760 3359632 2852468 16.37 671012 5293728 17584 11:00:08 9245260 13011204 2945520 17.99 147464 3726892 3029980 17.39 795672 5924608 23980 11:10:10 9112436 15367816 579228 3.54 175604 6101524 1099340 6.31 1689516 5070812 12504 Average: 9468528 13923816 2031027 12.40 150609 4396016 2327263 13.36 1052067 5429716 18023 10:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:01 lo 899.63 899.63 854.77 854.77 0.00 0.00 0.00 0.00 10:50:01 ens3 124.76 97.04 1173.69 19.39 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:08 lo 1215.62 1215.62 1152.52 1152.52 0.00 0.00 0.00 0.00 11:00:08 ens3 41.73 33.28 23.28 12.35 0.00 0.00 0.00 0.00 11:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:10 lo 783.73 783.73 734.61 734.61 0.00 0.00 0.00 0.00 11:10:10 ens3 108.07 109.02 161.91 1055.36 0.00 0.00 0.00 0.00 11:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 967.43 967.43 915.00 915.00 0.00 0.00 0.00 0.00 Average: ens3 91.19 79.55 447.81 363.16 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-20157) 02/23/26 _x86_64_ (4 CPU) 10:39:20 LINUX RESTART (4 CPU) 10:40:08 CPU %user %nice %system %iowait %steal %idle 10:50:01 all 40.34 0.00 1.85 0.49 0.09 57.22 10:50:01 0 39.39 0.00 1.68 1.36 0.09 57.48 10:50:01 1 40.86 0.00 1.88 0.27 0.10 56.89 10:50:01 2 42.02 0.00 1.90 0.19 0.09 55.80 10:50:01 3 39.10 0.00 1.93 0.14 0.09 58.73 11:00:08 all 65.13 0.00 2.45 0.24 0.14 32.04 11:00:08 0 62.73 0.00 2.44 0.61 0.14 34.08 11:00:08 1 67.03 0.00 2.66 0.12 0.14 30.05 11:00:08 2 65.86 0.00 2.48 0.12 0.14 31.40 11:00:08 3 64.91 0.00 2.21 0.13 0.13 32.62 11:10:10 all 41.68 0.00 2.18 0.40 0.10 55.64 11:10:10 0 45.62 0.00 2.17 0.09 0.10 52.03 11:10:10 1 42.16 0.00 2.30 0.53 0.10 54.91 11:10:10 2 35.03 0.00 2.20 0.23 0.10 62.45 11:10:10 3 43.93 0.00 2.05 0.75 0.10 53.16 Average: all 49.14 0.00 2.16 0.38 0.11 48.21 Average: 0 49.33 0.00 2.10 0.69 0.11 47.78 Average: 1 50.11 0.00 2.28 0.31 0.11 47.18 Average: 2 47.71 0.00 2.19 0.18 0.11 49.81 Average: 3 49.42 0.00 2.07 0.34 0.11 48.07