---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8263 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 659 8831 4 6498 14987 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:a6:a7:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84096sec preferred_lft 84096sec inet6 fe80::f816:3eff:fea6:a7a6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:f2:4e:22:68:b6 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-8263) 02/06/26 _x86_64_ (4 CPU) 16:04:38 LINUX RESTART (4 CPU) 16:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:20:26 31.87 2.88 26.07 2.92 157.44 3614.50 8433.20 16:30:22 29.71 0.01 26.58 3.13 0.11 2409.60 10896.50 16:40:06 17.65 0.14 15.59 1.93 6.69 9119.16 34745.96 Average: 26.53 1.03 22.83 2.67 56.24 5004.39 17804.49 16:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:20:26 9589480 13116444 2842416 17.36 135088 3526020 2906232 16.68 799220 5612088 27268 16:30:22 8736264 12693708 3261820 19.92 156236 3901356 3244984 18.63 915536 6297828 46436 16:40:06 9072964 15365776 581912 3.55 174920 6140548 1105336 6.34 1726564 5046812 368 Average: 9132903 13725309 2228716 13.61 155415 4522641 2418851 13.88 1147107 5652243 24691 16:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:20:26 lo 1395.21 1395.21 1323.31 1323.31 0.00 0.00 0.00 0.00 16:20:26 ens3 113.04 87.93 799.12 19.65 0.00 0.00 0.00 0.00 16:20:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:22 lo 1232.85 1232.85 1173.92 1173.92 0.00 0.00 0.00 0.00 16:30:22 ens3 41.87 34.16 37.00 12.05 0.00 0.00 0.00 0.00 16:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:06 lo 392.58 392.58 7166.44 7166.44 0.00 0.00 0.00 0.00 16:40:06 ens3 61.30 60.99 114.83 452.64 0.00 0.00 0.00 0.00 16:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1015.40 1015.40 3173.35 3173.35 0.00 0.00 0.00 0.00 Average: ens3 72.61 61.34 323.87 157.89 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-8263) 02/06/26 _x86_64_ (4 CPU) 16:04:38 LINUX RESTART (4 CPU) 16:10:10 CPU %user %nice %system %iowait %steal %idle 16:20:26 all 61.65 0.00 2.33 0.08 0.08 35.86 16:20:26 0 61.15 0.00 2.52 0.06 0.09 36.18 16:20:26 1 61.95 0.00 2.26 0.09 0.08 35.61 16:20:26 2 61.85 0.00 2.35 0.08 0.08 35.64 16:20:26 3 61.63 0.00 2.18 0.08 0.08 36.03 16:30:22 all 64.60 0.00 2.39 0.06 0.09 32.86 16:30:22 0 65.58 0.00 2.33 0.05 0.09 31.95 16:30:22 1 62.59 0.00 2.61 0.09 0.09 34.62 16:30:22 2 65.04 0.00 2.09 0.04 0.09 32.74 16:30:22 3 65.18 0.00 2.53 0.08 0.09 32.13 16:40:06 all 37.18 0.00 1.30 0.14 0.07 61.31 16:40:06 0 23.91 0.00 1.24 0.06 0.07 74.72 16:40:06 1 46.83 0.00 1.69 0.09 0.07 51.31 16:40:06 2 39.34 0.00 1.15 0.10 0.07 59.34 16:40:06 3 38.66 0.00 1.11 0.33 0.07 59.83 Average: all 54.66 0.00 2.01 0.10 0.08 43.15 Average: 0 50.49 0.00 2.04 0.06 0.08 47.34 Average: 1 57.24 0.00 2.19 0.09 0.08 40.39 Average: 2 55.57 0.00 1.87 0.07 0.08 42.40 Average: 3 55.33 0.00 1.94 0.16 0.08 42.48