---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-25198 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 18G 61G 23% / 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 694 11102 3 4191 14952 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:9d:88:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80478sec preferred_lft 80478sec inet6 fe80::f816:3eff:fe9d:88cd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:de:29:8c:65:4c 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-16g-25198) 03/02/26 _x86_64_ (4 CPU) 06:39:32 LINUX RESTART (4 CPU) 06:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:50:01 138.26 10.27 123.35 4.64 1356.03 36955.28 13485.64 07:00:08 65.38 22.96 40.27 2.15 284.20 3862.38 2722.83 07:10:08 27.02 0.39 10.78 15.85 16.05 569.43 211645.19 07:20:08 19.58 0.02 18.74 0.82 0.85 544.46 1248.85 07:30:08 5.97 0.00 5.71 0.26 0.37 132.29 274.16 07:40:08 7.17 0.01 6.81 0.35 1.21 209.63 164.11 07:50:08 4.33 0.00 4.26 0.07 0.31 76.92 41.72 08:00:08 5.83 0.00 5.64 0.18 0.15 149.28 69.77 08:10:08 10.06 0.01 9.54 0.51 0.99 598.58 119.46 Average: 31.56 3.77 25.04 2.76 184.72 4791.15 25499.77 06:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:50:01 2135944 13205676 2716828 16.59 253396 10567756 3356932 19.27 2003124 11421356 512984 07:00:08 2132032 5299536 10633964 64.95 256940 2902636 11281468 64.76 2014228 11655892 160 07:10:08 8852592 12127816 3811192 23.28 263448 3004004 4572088 26.24 2047656 4915040 176 07:20:08 11273868 14608132 1332636 8.14 266908 3059632 2090020 12.00 2071500 2493932 480 07:30:08 7950004 11296432 4642048 28.35 268132 3070576 5411880 31.06 2073272 5801388 388 07:40:08 6833540 10207752 5730260 35.00 269172 3097324 6573224 37.73 2076316 6890168 292 07:50:08 10816036 14207716 1732236 10.58 269508 3114452 2804772 16.10 2079396 2929896 15556 08:00:08 10749252 14159908 1780424 10.87 270136 3132816 2816704 16.17 2081744 2997928 16944 08:10:08 7657672 11181244 4757348 29.06 274204 3241596 5348212 30.70 2095972 6071588 200 Average: 7600104 11810468 4126326 25.20 265760 3910088 4917256 28.22 2060356 6130799 60798 06:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:50:01 lo 3.03 3.03 2.40 2.40 0.00 0.00 0.00 0.00 06:50:01 ens3 155.55 119.44 1973.56 17.07 0.00 0.00 0.00 0.00 06:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:08 lo 46.32 46.32 27.34 27.34 0.00 0.00 0.00 0.00 07:00:08 ens3 3.28 2.11 0.70 1.51 0.00 0.00 0.00 0.00 07:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:08 lo 29.17 29.17 11.31 11.31 0.00 0.00 0.00 0.00 07:10:08 ens3 1.65 1.00 0.38 0.29 0.00 0.00 0.00 0.00 07:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:08 lo 12.90 12.90 7.27 7.27 0.00 0.00 0.00 0.00 07:20:08 ens3 1.03 0.75 0.20 0.16 0.00 0.00 0.00 0.00 07:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:08 lo 19.77 19.77 9.42 9.42 0.00 0.00 0.00 0.00 07:30:08 ens3 0.81 0.58 0.16 0.12 0.00 0.00 0.00 0.00 07:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:08 lo 28.77 28.77 11.42 11.42 0.00 0.00 0.00 0.00 07:40:08 ens3 0.78 0.46 0.18 0.12 0.00 0.00 0.00 0.00 07:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:08 lo 14.72 14.72 6.31 6.31 0.00 0.00 0.00 0.00 07:50:08 ens3 0.57 0.41 0.12 0.09 0.00 0.00 0.00 0.00 07:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:08 lo 17.97 17.97 10.58 10.58 0.00 0.00 0.00 0.00 08:00:08 ens3 0.69 0.52 0.16 0.12 0.00 0.00 0.00 0.00 08:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:08 lo 18.62 18.62 10.28 10.28 0.00 0.00 0.00 0.00 08:10:08 ens3 1.13 0.93 0.35 0.28 0.00 0.00 0.00 0.00 08:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.28 21.28 10.72 10.72 0.00 0.00 0.00 0.00 Average: ens3 18.38 14.02 219.45 2.19 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-16g-25198) 03/02/26 _x86_64_ (4 CPU) 06:39:32 LINUX RESTART (4 CPU) 06:40:00 CPU %user %nice %system %iowait %steal %idle 06:50:01 all 44.08 0.00 2.38 0.97 0.09 52.48 06:50:01 0 45.30 0.00 2.21 1.07 0.09 51.33 06:50:01 1 44.04 0.00 2.61 0.71 0.09 52.55 06:50:01 2 42.51 0.00 2.37 1.42 0.10 53.61 06:50:01 3 44.46 0.00 2.34 0.67 0.09 52.44 07:00:08 all 61.77 0.00 2.14 0.11 0.13 35.86 07:00:08 0 62.02 0.00 2.04 0.08 0.12 35.73 07:00:08 1 61.51 0.00 2.13 0.05 0.13 36.17 07:00:08 2 61.11 0.00 2.21 0.19 0.13 36.36 07:00:08 3 62.43 0.00 2.16 0.10 0.13 35.17 07:10:08 all 20.50 0.00 0.83 0.07 0.11 78.49 07:10:08 0 20.35 0.00 0.86 0.10 0.10 78.58 07:10:08 1 20.43 0.00 0.82 0.02 0.11 78.63 07:10:08 2 20.92 0.00 0.81 0.11 0.11 78.05 07:10:08 3 20.29 0.00 0.83 0.07 0.11 78.70 07:20:08 all 29.23 0.00 0.93 0.05 0.09 69.69 07:20:08 0 29.82 0.00 0.86 0.03 0.09 69.20 07:20:08 1 29.34 0.00 0.87 0.04 0.09 69.66 07:20:08 2 29.31 0.00 1.10 0.07 0.10 69.41 07:20:08 3 28.43 0.00 0.90 0.06 0.10 70.51 07:30:08 all 11.94 0.00 0.45 0.02 0.10 87.50 07:30:08 0 11.85 0.00 0.51 0.01 0.09 87.55 07:30:08 1 12.05 0.00 0.45 0.01 0.10 87.40 07:30:08 2 11.68 0.00 0.43 0.03 0.10 87.75 07:30:08 3 12.18 0.00 0.40 0.03 0.10 87.29 07:40:08 all 14.79 0.00 0.56 0.03 0.09 84.52 07:40:08 0 14.05 0.00 0.58 0.02 0.09 85.26 07:40:08 1 14.95 0.00 0.51 0.02 0.09 84.44 07:40:08 2 15.19 0.00 0.64 0.04 0.10 84.04 07:40:08 3 14.99 0.00 0.53 0.02 0.09 84.36 07:50:08 all 5.24 0.00 0.29 0.02 0.09 94.36 07:50:08 0 5.25 0.00 0.25 0.01 0.09 94.40 07:50:08 1 5.44 0.00 0.34 0.01 0.10 94.12 07:50:08 2 5.40 0.00 0.32 0.02 0.10 94.16 07:50:08 3 4.84 0.00 0.27 0.03 0.08 94.77 08:00:08 all 9.65 0.00 0.48 0.26 0.08 89.53 08:00:08 0 9.80 0.00 0.46 0.13 0.08 89.54 08:00:08 1 9.38 0.00 0.49 0.07 0.09 89.98 08:00:08 2 10.18 0.00 0.53 0.66 0.09 88.54 08:00:08 3 9.23 0.00 0.45 0.17 0.09 90.06 08:10:08 all 17.57 0.00 0.61 0.05 0.08 81.68 08:10:08 0 16.86 0.00 0.62 0.02 0.08 82.42 08:10:08 1 18.71 0.00 0.57 0.03 0.09 80.60 08:10:08 2 17.15 0.00 0.62 0.01 0.09 82.13 08:10:08 3 17.54 0.00 0.65 0.15 0.08 81.59 Average: all 23.89 0.00 0.97 0.17 0.10 74.87 Average: 0 23.95 0.00 0.93 0.16 0.09 74.86 Average: 1 24.01 0.00 0.98 0.11 0.10 74.81 Average: 2 23.76 0.00 1.01 0.28 0.10 74.85 Average: 3 23.85 0.00 0.95 0.15 0.10 74.96