---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-7257 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 772 19205 4 12114 30851 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:f4:8a:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84527sec preferred_lft 84527sec inet6 fe80::f816:3eff:fef4:8a11/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:36:fb:18:24:97 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 inet6 fe80::2036:fbff:fe18:2497/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-7257) 02/03/26 _x86_64_ (8 CPU) 00:36:19 LINUX RESTART (8 CPU) 00:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 13.53 0.25 12.54 0.75 10.43 5235.52 611.30 01:00:00 48.96 2.26 45.66 1.04 339.61 24733.23 1820.66 Average: 31.26 1.25 29.11 0.90 175.10 14989.10 1216.27 00:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 24764024 28876552 3431380 10.44 141140 4200636 3596932 10.61 808956 6837532 592 01:00:00 19950396 31646268 628756 1.91 216548 11416624 1333932 3.93 3163552 8953660 300 Average: 22357210 30261410 2030068 6.18 178844 7808630 2465432 7.27 1986254 7895596 446 00:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 5.68 5.68 0.56 0.56 0.00 0.00 0.00 0.00 00:50:01 ens3 47.89 37.03 190.28 11.51 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:00 lo 4644.26 4644.26 4434.84 4434.84 0.00 0.00 0.00 0.00 01:00:00 ens3 68.29 51.45 520.42 12.49 0.00 0.00 0.00 0.00 01:00:00 docker0 2.33 2.53 0.14 61.03 0.00 0.00 0.00 0.00 Average: lo 2326.09 2326.09 2218.77 2218.77 0.00 0.00 0.00 0.00 Average: ens3 58.10 44.24 355.43 12.00 0.00 0.00 0.00 0.00 Average: docker0 1.17 1.26 0.07 30.53 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-7257) 02/03/26 _x86_64_ (8 CPU) 00:36:19 LINUX RESTART (8 CPU) 00:40:03 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 40.25 0.00 1.43 0.04 0.07 58.21 00:50:01 0 39.23 0.00 1.43 0.09 0.07 59.18 00:50:01 1 39.39 0.00 1.57 0.01 0.06 58.97 00:50:01 2 41.46 0.00 1.45 0.05 0.07 56.97 00:50:01 3 43.68 0.00 1.29 0.03 0.07 54.94 00:50:01 4 41.22 0.00 1.61 0.06 0.07 57.04 00:50:01 5 40.82 0.00 1.33 0.02 0.07 57.76 00:50:01 6 37.64 0.00 1.31 0.02 0.07 60.96 00:50:01 7 38.53 0.00 1.45 0.07 0.07 59.88 01:00:00 all 18.95 0.00 2.17 0.24 0.05 78.59 01:00:00 0 17.40 0.00 3.07 0.34 0.06 79.14 01:00:00 1 27.90 0.00 4.96 0.09 0.06 67.00 01:00:00 2 16.71 0.00 1.25 0.14 0.06 81.84 01:00:00 3 17.19 0.00 2.58 0.20 0.05 79.98 01:00:00 4 17.91 0.00 1.44 0.28 0.04 80.34 01:00:00 5 20.28 0.00 1.28 0.37 0.05 78.02 01:00:00 6 17.64 0.00 1.45 0.28 0.05 80.59 01:00:00 7 16.66 0.00 1.35 0.22 0.05 81.73 Average: all 29.61 0.00 1.80 0.14 0.06 68.39 Average: 0 28.34 0.00 2.25 0.21 0.06 69.14 Average: 1 33.67 0.00 3.25 0.05 0.06 62.97 Average: 2 29.08 0.00 1.35 0.10 0.06 69.41 Average: 3 30.46 0.00 1.93 0.12 0.06 67.44 Average: 4 29.56 0.00 1.52 0.17 0.05 68.70 Average: 5 30.55 0.00 1.31 0.20 0.06 67.89 Average: 6 27.63 0.00 1.38 0.15 0.06 70.78 Average: 7 27.60 0.00 1.40 0.14 0.06 70.80