---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8202 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 617 8843 4 6528 15029 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:27:d5:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84402sec preferred_lft 84402sec inet6 fe80::f816:3eff:fe27:d573/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:82:77:bf:0f:47 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-8202) 02/06/26 _x86_64_ (4 CPU) 10:37:27 LINUX RESTART (4 CPU) 10:40:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:07 23.09 3.56 17.54 2.00 783.19 3357.63 18478.24 11:00:01 26.72 0.03 23.56 3.13 0.43 2290.96 16083.72 11:10:07 30.44 0.18 27.07 3.19 12.24 9005.80 11175.66 Average: 26.78 1.25 22.76 2.77 262.57 4914.69 15212.76 10:40:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:07 10213220 13622444 2338384 14.28 123212 3438068 2538096 14.57 790464 5019940 27272 11:00:01 8815224 12653380 3303540 20.18 144556 3807360 3462948 19.88 918956 6244296 30476 11:10:07 9146588 15474580 472796 2.89 171512 6185216 1025464 5.89 1772672 4948988 14352 Average: 9391677 13916801 2038240 12.45 146427 4476881 2342169 13.44 1160697 5404408 24033 10:40:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:07 lo 801.71 801.71 760.95 760.95 0.00 0.00 0.00 0.00 10:50:07 ens3 102.25 77.99 1014.49 15.29 0.00 0.00 0.00 0.00 10:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 1354.09 1354.09 1284.70 1284.70 0.00 0.00 0.00 0.00 11:00:01 ens3 45.98 37.57 23.10 13.14 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:07 lo 751.92 751.92 703.80 703.80 0.00 0.00 0.00 0.00 11:10:07 ens3 119.38 119.06 166.87 1047.80 0.00 0.00 0.00 0.00 11:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 968.18 968.18 915.43 915.43 0.00 0.00 0.00 0.00 Average: ens3 89.37 78.47 398.69 363.92 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-8202) 02/06/26 _x86_64_ (4 CPU) 10:37:27 LINUX RESTART (4 CPU) 10:40:17 CPU %user %nice %system %iowait %steal %idle 10:50:07 all 34.73 0.00 1.53 0.17 0.06 63.50 10:50:07 0 33.65 0.00 1.58 0.10 0.06 64.61 10:50:07 1 35.43 0.00 1.46 0.11 0.07 62.93 10:50:07 2 35.15 0.00 1.41 0.16 0.06 63.23 10:50:07 3 34.69 0.00 1.68 0.31 0.07 63.24 11:00:01 all 65.57 0.00 2.42 0.06 0.10 31.85 11:00:01 0 64.35 0.00 2.36 0.04 0.09 33.16 11:00:01 1 67.29 0.00 2.43 0.08 0.10 30.10 11:00:01 2 64.47 0.00 2.49 0.09 0.10 32.85 11:00:01 3 66.16 0.00 2.41 0.05 0.10 31.29 11:10:07 all 39.38 0.00 1.83 0.19 0.08 58.53 11:10:07 0 43.66 0.00 1.95 0.25 0.08 54.06 11:10:07 1 33.15 0.00 1.60 0.13 0.07 65.05 11:10:07 2 42.02 0.00 2.00 0.26 0.08 55.64 11:10:07 3 38.69 0.00 1.78 0.11 0.08 59.34 Average: all 46.55 0.00 1.93 0.14 0.08 51.30 Average: 0 47.25 0.00 1.96 0.13 0.08 50.58 Average: 1 45.23 0.00 1.83 0.11 0.08 52.76 Average: 2 47.22 0.00 1.97 0.17 0.08 50.57 Average: 3 46.49 0.00 1.96 0.16 0.08 51.32